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.graphics.drawable.BitmapDrawable;
  22import android.graphics.drawable.Drawable;
  23import android.media.AudioManager;
  24import android.net.ConnectivityManager;
  25import android.net.Network;
  26import android.net.NetworkCapabilities;
  27import android.net.NetworkInfo;
  28import android.net.Uri;
  29import android.os.Binder;
  30import android.os.Build;
  31import android.os.Bundle;
  32import android.os.Environment;
  33import android.os.IBinder;
  34import android.os.PowerManager;
  35import android.os.PowerManager.WakeLock;
  36import android.os.SystemClock;
  37import android.preference.PreferenceManager;
  38import android.provider.ContactsContract;
  39import android.security.KeyChain;
  40import android.telephony.PhoneStateListener;
  41import android.telephony.TelephonyManager;
  42import android.text.TextUtils;
  43import android.util.DisplayMetrics;
  44import android.util.Log;
  45import android.util.LruCache;
  46import android.util.Pair;
  47
  48import androidx.annotation.BoolRes;
  49import androidx.annotation.IntegerRes;
  50import androidx.core.app.RemoteInput;
  51import androidx.core.content.ContextCompat;
  52
  53import com.google.common.base.Objects;
  54import com.google.common.base.Strings;
  55
  56import org.conscrypt.Conscrypt;
  57import org.openintents.openpgp.IOpenPgpService2;
  58import org.openintents.openpgp.util.OpenPgpApi;
  59import org.openintents.openpgp.util.OpenPgpServiceConnection;
  60
  61import java.io.File;
  62import java.security.SecureRandom;
  63import java.security.Security;
  64import java.security.cert.CertificateException;
  65import java.security.cert.X509Certificate;
  66import java.util.ArrayList;
  67import java.util.Arrays;
  68import java.util.Collection;
  69import java.util.Collections;
  70import java.util.HashSet;
  71import java.util.Hashtable;
  72import java.util.Iterator;
  73import java.util.List;
  74import java.util.ListIterator;
  75import java.util.Map;
  76import java.util.Set;
  77import java.util.WeakHashMap;
  78import java.util.concurrent.CopyOnWriteArrayList;
  79import java.util.concurrent.CountDownLatch;
  80import java.util.concurrent.Executor;
  81import java.util.concurrent.Executors;
  82import java.util.concurrent.atomic.AtomicBoolean;
  83import java.util.concurrent.atomic.AtomicLong;
  84import java.util.concurrent.atomic.AtomicReference;
  85
  86import eu.siacs.conversations.Config;
  87import eu.siacs.conversations.R;
  88import eu.siacs.conversations.android.JabberIdContact;
  89import eu.siacs.conversations.crypto.OmemoSetting;
  90import eu.siacs.conversations.crypto.PgpDecryptionService;
  91import eu.siacs.conversations.crypto.PgpEngine;
  92import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  93import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  94import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  95import eu.siacs.conversations.entities.Account;
  96import eu.siacs.conversations.entities.Blockable;
  97import eu.siacs.conversations.entities.Bookmark;
  98import eu.siacs.conversations.entities.Contact;
  99import eu.siacs.conversations.entities.Conversation;
 100import eu.siacs.conversations.entities.Conversational;
 101import eu.siacs.conversations.entities.Message;
 102import eu.siacs.conversations.entities.MucOptions;
 103import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
 104import eu.siacs.conversations.entities.Presence;
 105import eu.siacs.conversations.entities.PresenceTemplate;
 106import eu.siacs.conversations.entities.Roster;
 107import eu.siacs.conversations.entities.ServiceDiscoveryResult;
 108import eu.siacs.conversations.generator.AbstractGenerator;
 109import eu.siacs.conversations.generator.IqGenerator;
 110import eu.siacs.conversations.generator.MessageGenerator;
 111import eu.siacs.conversations.generator.PresenceGenerator;
 112import eu.siacs.conversations.http.HttpConnectionManager;
 113import eu.siacs.conversations.parser.AbstractParser;
 114import eu.siacs.conversations.parser.IqParser;
 115import eu.siacs.conversations.parser.MessageParser;
 116import eu.siacs.conversations.parser.PresenceParser;
 117import eu.siacs.conversations.persistance.DatabaseBackend;
 118import eu.siacs.conversations.persistance.FileBackend;
 119import eu.siacs.conversations.ui.ChooseAccountForProfilePictureActivity;
 120import eu.siacs.conversations.ui.RtpSessionActivity;
 121import eu.siacs.conversations.ui.SettingsActivity;
 122import eu.siacs.conversations.ui.UiCallback;
 123import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 124import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 125import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 126import eu.siacs.conversations.utils.Compatibility;
 127import eu.siacs.conversations.utils.ConversationsFileObserver;
 128import eu.siacs.conversations.utils.CryptoHelper;
 129import eu.siacs.conversations.utils.EasyOnboardingInvite;
 130import eu.siacs.conversations.utils.ExceptionHelper;
 131import eu.siacs.conversations.utils.MimeUtils;
 132import eu.siacs.conversations.utils.PhoneHelper;
 133import eu.siacs.conversations.utils.QuickLoader;
 134import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 135import eu.siacs.conversations.utils.ReplacingTaskManager;
 136import eu.siacs.conversations.utils.Resolver;
 137import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 138import eu.siacs.conversations.utils.StringUtils;
 139import eu.siacs.conversations.utils.TorServiceUtils;
 140import eu.siacs.conversations.utils.WakeLockHelper;
 141import eu.siacs.conversations.utils.XmppUri;
 142import eu.siacs.conversations.xml.Element;
 143import eu.siacs.conversations.xml.LocalizedContent;
 144import eu.siacs.conversations.xml.Namespace;
 145import eu.siacs.conversations.xmpp.Jid;
 146import eu.siacs.conversations.xmpp.OnBindListener;
 147import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 148import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 149import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 150import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 151import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 152import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 153import eu.siacs.conversations.xmpp.OnStatusChanged;
 154import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 155import eu.siacs.conversations.xmpp.Patches;
 156import eu.siacs.conversations.xmpp.XmppConnection;
 157import eu.siacs.conversations.xmpp.chatstate.ChatState;
 158import eu.siacs.conversations.xmpp.forms.Data;
 159import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 160import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 161import eu.siacs.conversations.xmpp.jingle.JingleRtpConnection;
 162import eu.siacs.conversations.xmpp.jingle.Media;
 163import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 164import eu.siacs.conversations.xmpp.mam.MamReference;
 165import eu.siacs.conversations.xmpp.pep.Avatar;
 166import eu.siacs.conversations.xmpp.pep.PublishOptions;
 167import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 168import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 169import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 170import me.leolin.shortcutbadger.ShortcutBadger;
 171
 172public class XmppConnectionService extends Service {
 173
 174    public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 175    public static final String ACTION_MARK_AS_READ = "mark_as_read";
 176    public static final String ACTION_SNOOZE = "snooze";
 177    public static final String ACTION_CLEAR_MESSAGE_NOTIFICATION = "clear_message_notification";
 178    public static final String ACTION_CLEAR_MISSED_CALL_NOTIFICATION = "clear_missed_call_notification";
 179    public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 180    public static final String ACTION_TRY_AGAIN = "try_again";
 181    public static final String ACTION_IDLE_PING = "idle_ping";
 182    public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 183    public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 184    public static final String ACTION_DISMISS_CALL = "dismiss_call";
 185    public static final String ACTION_END_CALL = "end_call";
 186    public static final String ACTION_PROVISION_ACCOUNT = "provision_account";
 187    private static final String ACTION_POST_CONNECTIVITY_CHANGE = "eu.siacs.conversations.POST_CONNECTIVITY_CHANGE";
 188
 189    private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 190
 191    public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 192    private final static Executor FILE_OBSERVER_EXECUTOR = Executors.newSingleThreadExecutor();
 193    private final static Executor FILE_ATTACHMENT_EXECUTOR = Executors.newSingleThreadExecutor();
 194    private final static SerialSingleThreadExecutor VIDEO_COMPRESSION_EXECUTOR = new SerialSingleThreadExecutor("VideoCompression");
 195    private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 196    private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 197    private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 198    private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 199    private final IBinder mBinder = new XmppConnectionBinder();
 200    private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 201    private final IqGenerator mIqGenerator = new IqGenerator(this);
 202    private final Set<String> mInProgressAvatarFetches = new HashSet<>();
 203    private final Set<String> mOmittedPepAvatarFetches = new HashSet<>();
 204    private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 205    private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 206        if (packet.getType() != IqPacket.TYPE.RESULT) {
 207            Element error = packet.findChild("error");
 208            String text = error != null ? error.findChildContent("text") : null;
 209            if (text != null) {
 210                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 211            }
 212        }
 213    };
 214    public DatabaseBackend databaseBackend;
 215    private final ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor("ContactMerger");
 216    private long mLastActivity = 0;
 217    private final FileBackend fileBackend = new FileBackend(this);
 218    private MemorizingTrustManager mMemorizingTrustManager;
 219    private final NotificationService mNotificationService = new NotificationService(this);
 220    private final ChannelDiscoveryService mChannelDiscoveryService = new ChannelDiscoveryService(this);
 221    private final ShortcutService mShortcutService = new ShortcutService(this);
 222    private final AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 223    private final AtomicBoolean mForceForegroundService = new AtomicBoolean(false);
 224    private final AtomicBoolean mForceDuringOnCreate = new AtomicBoolean(false);
 225    private final AtomicReference<OngoingCall> ongoingCall = new AtomicReference<>();
 226    private final OnMessagePacketReceived mMessageParser = new MessageParser(this);
 227    private final OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 228    private final IqParser mIqParser = new IqParser(this);
 229    private final MessageGenerator mMessageGenerator = new MessageGenerator(this);
 230    public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 231        Conversation conversation = find(getConversations(), contact);
 232        if (conversation != null) {
 233            if (online) {
 234                if (contact.getPresences().size() == 1) {
 235                    sendUnsentMessages(conversation);
 236                }
 237            }
 238        }
 239
 240        if (contact.getPresences().anyIdentity("gateway", "pstn")) {
 241            contact.registerAsPhoneAccount(this);
 242        }
 243    };
 244    private final PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 245    private List<Account> accounts;
 246    private final JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(this);
 247    private final HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(this);
 248    private final AvatarService mAvatarService = new AvatarService(this);
 249    private final MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 250    private final PushManagementService mPushManagementService = new PushManagementService(this);
 251    private final QuickConversationsService mQuickConversationsService = new QuickConversationsService(this);
 252    private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 253            Environment.getExternalStorageDirectory().getAbsolutePath()
 254    ) {
 255        @Override
 256        public void onEvent(final int event, final File file) {
 257            markFileDeleted(file);
 258        }
 259    };
 260    private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 261
 262        @Override
 263        public boolean onMessageAcknowledged(final Account account, final Jid to, final String id) {
 264            if (id.startsWith(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX)) {
 265                final String sessionId = id.substring(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX.length());
 266                mJingleConnectionManager.updateProposedSessionDiscovered(
 267                        account,
 268                        to,
 269                        sessionId,
 270                        JingleConnectionManager.DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED
 271                );
 272            }
 273
 274
 275            final Jid bare = to.asBareJid();
 276
 277            for (final Conversation conversation : getConversations()) {
 278                if (conversation.getAccount() == account && conversation.getJid().asBareJid().equals(bare)) {
 279                    final Message message = conversation.findUnsentMessageWithUuid(id);
 280                    if (message != null) {
 281                        message.setStatus(Message.STATUS_SEND);
 282                        message.setErrorMessage(null);
 283                        databaseBackend.updateMessage(message, false);
 284                        return true;
 285                    }
 286                }
 287            }
 288            return false;
 289        }
 290    };
 291    private final AtomicBoolean isPhoneInCall = new AtomicBoolean(false);
 292    private final AtomicBoolean diallerIntegrationActive = new AtomicBoolean(false);
 293    private final PhoneStateListener phoneStateListener = new PhoneStateListener() {
 294        @Override
 295        public void onCallStateChanged(final int state, final String phoneNumber) {
 296            if (diallerIntegrationActive.get()) return;
 297            isPhoneInCall.set(state != TelephonyManager.CALL_STATE_IDLE);
 298            if (state == TelephonyManager.CALL_STATE_OFFHOOK) {
 299                mJingleConnectionManager.notifyPhoneCallStarted();
 300            }
 301        }
 302    };
 303
 304    public void setDiallerIntegrationActive(boolean active) {
 305      diallerIntegrationActive.set(active);
 306    }
 307
 308    private boolean destroyed = false;
 309
 310    private int unreadCount = -1;
 311
 312    //Ui callback listeners
 313    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 314    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 315    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 316    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 317    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 318    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 319    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 320    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 321    private final Set<OnJingleRtpConnectionUpdate> onJingleRtpConnectionUpdate = Collections.newSetFromMap(new WeakHashMap<OnJingleRtpConnectionUpdate, Boolean>());
 322
 323    private final Object LISTENER_LOCK = new Object();
 324
 325
 326    public final Set<String> FILENAMES_TO_IGNORE_DELETION = new HashSet<>();
 327
 328
 329    private final OnBindListener mOnBindListener = new OnBindListener() {
 330
 331        @Override
 332        public void onBind(final Account account) {
 333            synchronized (mInProgressAvatarFetches) {
 334                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 335                    final String KEY = iterator.next();
 336                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 337                        iterator.remove();
 338                    }
 339                }
 340            }
 341            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 342            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 343            if (loggedInSuccessfully || gainedFeature) {
 344                databaseBackend.updateAccount(account);
 345            }
 346
 347            if (loggedInSuccessfully) {
 348                if (!TextUtils.isEmpty(account.getDisplayName())) {
 349                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": display name wasn't empty on first log in. publishing");
 350                    publishDisplayName(account);
 351                }
 352            }
 353
 354            account.getRoster().clearPresences();
 355            synchronized (account.inProgressConferenceJoins) {
 356                account.inProgressConferenceJoins.clear();
 357            }
 358            synchronized (account.inProgressConferencePings) {
 359                account.inProgressConferencePings.clear();
 360            }
 361            mJingleConnectionManager.notifyRebound(account);
 362            mQuickConversationsService.considerSyncBackground(false);
 363            fetchRosterFromServer(account);
 364
 365            final XmppConnection connection = account.getXmppConnection();
 366
 367            if (connection.getFeatures().bookmarks2()) {
 368                fetchBookmarks2(account);
 369            } else if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 370                fetchBookmarks(account);
 371            }
 372            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 373            final boolean catchup = getMessageArchiveService().inCatchup(account);
 374            if (flexible && catchup && account.getXmppConnection().isMamPreferenceAlways()) {
 375                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 376                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 377                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 378                    }
 379                });
 380            }
 381            sendPresence(account);
 382            if (mPushManagementService.available(account)) {
 383                mPushManagementService.registerPushTokenOnServer(account);
 384            }
 385            connectMultiModeConversations(account);
 386            syncDirtyContacts(account);
 387
 388        }
 389    };
 390    private final AtomicLong mLastExpiryRun = new AtomicLong(0);
 391    private SecureRandom mRandom;
 392    private final LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 393    private final OnStatusChanged statusListener = new OnStatusChanged() {
 394
 395        @Override
 396        public void onStatusChanged(final Account account) {
 397            XmppConnection connection = account.getXmppConnection();
 398            updateAccountUi();
 399
 400            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 401                mQuickConversationsService.signalAccountStateChange();
 402            }
 403
 404            if (account.getStatus() == Account.State.ONLINE) {
 405                synchronized (mLowPingTimeoutMode) {
 406                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 407                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 408                    }
 409                }
 410                if (account.setShowErrorNotification(true)) {
 411                    databaseBackend.updateAccount(account);
 412                }
 413                mMessageArchiveService.executePendingQueries(account);
 414                if (connection != null && connection.getFeatures().csi()) {
 415                    if (checkListeners()) {
 416                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 417                        connection.sendInactive();
 418                    } else {
 419                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 420                        connection.sendActive();
 421                    }
 422                }
 423                List<Conversation> conversations = getConversations();
 424                for (Conversation conversation : conversations) {
 425                    final boolean inProgressJoin;
 426                    synchronized (account.inProgressConferenceJoins) {
 427                        inProgressJoin = account.inProgressConferenceJoins.contains(conversation);
 428                    }
 429                    final boolean pendingJoin;
 430                    synchronized (account.pendingConferenceJoins) {
 431                        pendingJoin = account.pendingConferenceJoins.contains(conversation);
 432                    }
 433                    if (conversation.getAccount() == account
 434                            && !pendingJoin
 435                            && !inProgressJoin) {
 436                        sendUnsentMessages(conversation);
 437                    }
 438                }
 439                final List<Conversation> pendingLeaves;
 440                synchronized (account.pendingConferenceLeaves) {
 441                    pendingLeaves = new ArrayList<>(account.pendingConferenceLeaves);
 442                    account.pendingConferenceLeaves.clear();
 443
 444                }
 445                for (Conversation conversation : pendingLeaves) {
 446                    leaveMuc(conversation);
 447                }
 448                final List<Conversation> pendingJoins;
 449                synchronized (account.pendingConferenceJoins) {
 450                    pendingJoins = new ArrayList<>(account.pendingConferenceJoins);
 451                    account.pendingConferenceJoins.clear();
 452                }
 453                for (Conversation conversation : pendingJoins) {
 454                    joinMuc(conversation);
 455                }
 456                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 457            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 458                resetSendingToWaiting(account);
 459                if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 460                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 461                    reconnectAccount(account, true, false);
 462                } else {
 463                    int timeToReconnect = mRandom.nextInt(10) + 2;
 464                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 465                }
 466            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 467                databaseBackend.updateAccount(account);
 468                reconnectAccount(account, true, false);
 469            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 470                resetSendingToWaiting(account);
 471                if (connection != null && account.getStatus().isAttemptReconnect()) {
 472                    final int next = connection.getTimeToNextAttempt();
 473                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 474                    if (next <= 0) {
 475                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + lowPingTimeoutMode);
 476                        reconnectAccount(account, true, false);
 477                    } else {
 478                        final int attempt = connection.getAttempt() + 1;
 479                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + lowPingTimeoutMode);
 480                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 481                    }
 482                }
 483            }
 484            getNotificationService().updateErrorNotification();
 485        }
 486    };
 487    private OpenPgpServiceConnection pgpServiceConnection;
 488    private PgpEngine mPgpEngine = null;
 489    private WakeLock wakeLock;
 490    private LruCache<String, Bitmap> mBitmapCache;
 491    private LruCache<String, Drawable> mDrawableCache;
 492    private final BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 493    private final BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 494
 495    private static String generateFetchKey(Account account, final Avatar avatar) {
 496        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 497    }
 498
 499    private boolean isInLowPingTimeoutMode(Account account) {
 500        synchronized (mLowPingTimeoutMode) {
 501            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 502        }
 503    }
 504
 505    public void startForcingForegroundNotification() {
 506        mForceForegroundService.set(true);
 507        toggleForegroundService();
 508    }
 509
 510    public void stopForcingForegroundNotification() {
 511        mForceForegroundService.set(false);
 512        toggleForegroundService();
 513    }
 514
 515    public boolean areMessagesInitialized() {
 516        return this.restoredFromDatabaseLatch.getCount() == 0;
 517    }
 518
 519    public PgpEngine getPgpEngine() {
 520        if (!Config.supportOpenPgp()) {
 521            return null;
 522        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 523            if (this.mPgpEngine == null) {
 524                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 525                        getApplicationContext(),
 526                        pgpServiceConnection.getService()), this);
 527            }
 528            return mPgpEngine;
 529        } else {
 530            return null;
 531        }
 532
 533    }
 534
 535    public OpenPgpApi getOpenPgpApi() {
 536        if (!Config.supportOpenPgp()) {
 537            return null;
 538        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 539            return new OpenPgpApi(this, pgpServiceConnection.getService());
 540        } else {
 541            return null;
 542        }
 543    }
 544
 545    public FileBackend getFileBackend() {
 546        return this.fileBackend;
 547    }
 548
 549    public AvatarService getAvatarService() {
 550        return this.mAvatarService;
 551    }
 552
 553    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 554        int encryption = conversation.getNextEncryption();
 555        if (encryption == Message.ENCRYPTION_PGP) {
 556            encryption = Message.ENCRYPTION_DECRYPTED;
 557        }
 558        Message message = new Message(conversation, uri.toString(), encryption);
 559        Message.configurePrivateMessage(message);
 560        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 561            getPgpEngine().encrypt(message, callback);
 562        } else {
 563            sendMessage(message);
 564            callback.success(message);
 565        }
 566    }
 567
 568    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 569        final Message message;
 570        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 571            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 572        } else {
 573            message = new Message(conversation, "", conversation.getNextEncryption());
 574        }
 575        if (!Message.configurePrivateFileMessage(message)) {
 576            message.setCounterpart(conversation.getNextCounterpart());
 577            message.setType(Message.TYPE_FILE);
 578        }
 579        Log.d(Config.LOGTAG, "attachFile: type=" + message.getType());
 580        Log.d(Config.LOGTAG, "counterpart=" + message.getCounterpart());
 581        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 582        if (runnable.isVideoMessage()) {
 583            VIDEO_COMPRESSION_EXECUTOR.execute(runnable);
 584        } else {
 585            FILE_ATTACHMENT_EXECUTOR.execute(runnable);
 586        }
 587    }
 588
 589    public void attachImageToConversation(final Conversation conversation, final Uri uri,  final String type, final UiCallback<Message> callback) {
 590        final String mimeType = MimeUtils.guessMimeTypeFromUriAndMime(this, uri, type);
 591        final String compressPictures = getCompressPicturesPreference();
 592
 593        if ("never".equals(compressPictures)
 594                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 595                || (mimeType != null && mimeType.endsWith("/gif"))
 596                || getFileBackend().unusualBounds(uri)) {
 597            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 598            attachFileToConversation(conversation, uri, mimeType, callback);
 599            return;
 600        }
 601        final Message message;
 602        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 603            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 604        } else {
 605            message = new Message(conversation, "", conversation.getNextEncryption());
 606        }
 607        if (!Message.configurePrivateFileMessage(message)) {
 608            message.setCounterpart(conversation.getNextCounterpart());
 609            message.setType(Message.TYPE_IMAGE);
 610        }
 611        Log.d(Config.LOGTAG, "attachImage: type=" + message.getType());
 612        FILE_ATTACHMENT_EXECUTOR.execute(() -> {
 613            try {
 614                getFileBackend().copyImageToPrivateStorage(message, uri);
 615            } catch (FileBackend.ImageCompressionException e) {
 616                Log.d(Config.LOGTAG, "unable to compress image. fall back to file transfer", e);
 617                attachFileToConversation(conversation, uri, mimeType, callback);
 618                return;
 619            } catch (final FileBackend.FileCopyException e) {
 620                callback.error(e.getResId(), message);
 621                return;
 622            }
 623            if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 624                final PgpEngine pgpEngine = getPgpEngine();
 625                if (pgpEngine != null) {
 626                    pgpEngine.encrypt(message, callback);
 627                } else if (callback != null) {
 628                    callback.error(R.string.unable_to_connect_to_keychain, null);
 629                }
 630            } else {
 631                sendMessage(message);
 632                callback.success(message);
 633            }
 634        });
 635    }
 636
 637    public Conversation find(Bookmark bookmark) {
 638        return find(bookmark.getAccount(), bookmark.getJid());
 639    }
 640
 641    public Conversation find(final Account account, final Jid jid) {
 642        return find(getConversations(), account, jid);
 643    }
 644
 645    public boolean isMuc(final Account account, final Jid jid) {
 646        final Conversation c = find(account, jid);
 647        return c != null && c.getMode() == Conversational.MODE_MULTI;
 648    }
 649
 650    public void search(final List<String> term, final String uuid, final OnSearchResultsAvailable onSearchResultsAvailable) {
 651        MessageSearchTask.search(this, term, uuid, onSearchResultsAvailable);
 652    }
 653
 654    @Override
 655    public int onStartCommand(Intent intent, int flags, int startId) {
 656        final String action = intent == null ? null : intent.getAction();
 657        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 658        if (needsForegroundService) {
 659            Log.d(Config.LOGTAG, "toggle forced foreground service after receiving event (action=" + action + ")");
 660            toggleForegroundService(true);
 661        }
 662        String pushedAccountHash = null;
 663        boolean interactive = false;
 664        if (action != null) {
 665            final String uuid = intent.getStringExtra("uuid");
 666            switch (action) {
 667                case QuickConversationsService.SMS_RETRIEVED_ACTION:
 668                    mQuickConversationsService.handleSmsReceived(intent);
 669                    break;
 670                case ConnectivityManager.CONNECTIVITY_ACTION:
 671                    if (hasInternetConnection()) {
 672                        if (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0) {
 673                            schedulePostConnectivityChange();
 674                        }
 675                        if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 676                            resetAllAttemptCounts(true, false);
 677                        }
 678                        Resolver.clearCache();
 679                    }
 680                    break;
 681                case Intent.ACTION_SHUTDOWN:
 682                    logoutAndSave(true);
 683                    return START_NOT_STICKY;
 684                case ACTION_CLEAR_MESSAGE_NOTIFICATION:
 685                    mNotificationExecutor.execute(() -> {
 686                        try {
 687                            final Conversation c = findConversationByUuid(uuid);
 688                            if (c != null) {
 689                                mNotificationService.clearMessages(c);
 690                            } else {
 691                                mNotificationService.clearMessages();
 692                            }
 693                            restoredFromDatabaseLatch.await();
 694
 695                        } catch (InterruptedException e) {
 696                            Log.d(Config.LOGTAG, "unable to process clear message notification");
 697                        }
 698                    });
 699                    break;
 700                case ACTION_CLEAR_MISSED_CALL_NOTIFICATION:
 701                    mNotificationExecutor.execute(() -> {
 702                        try {
 703                            final Conversation c = findConversationByUuid(uuid);
 704                            if (c != null) {
 705                                mNotificationService.clearMissedCalls(c);
 706                            } else {
 707                                mNotificationService.clearMissedCalls();
 708                            }
 709                            restoredFromDatabaseLatch.await();
 710
 711                        } catch (InterruptedException e) {
 712                            Log.d(Config.LOGTAG, "unable to process clear missed call notification");
 713                        }
 714                    });
 715                    break;
 716                case ACTION_DISMISS_CALL: {
 717                    final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 718                    Log.d(Config.LOGTAG, "received intent to dismiss call with session id " + sessionId);
 719                    mJingleConnectionManager.rejectRtpSession(sessionId);
 720                    break;
 721                }
 722                case TorServiceUtils.ACTION_STATUS:
 723                    final String status = intent.getStringExtra(TorServiceUtils.EXTRA_STATUS);
 724                    //TODO port and host are in 'extras' - but this may not be a reliable source?
 725                    if ("ON".equals(status)) {
 726                        handleOrbotStartedEvent();
 727                        return START_STICKY;
 728                    }
 729                    break;
 730                case ACTION_END_CALL: {
 731                    final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 732                    Log.d(Config.LOGTAG, "received intent to end call with session id " + sessionId);
 733                    mJingleConnectionManager.endRtpSession(sessionId);
 734                }
 735                break;
 736                case ACTION_PROVISION_ACCOUNT: {
 737                    final String address = intent.getStringExtra("address");
 738                    final String password = intent.getStringExtra("password");
 739                    if (QuickConversationsService.isQuicksy() || Strings.isNullOrEmpty(address) || Strings.isNullOrEmpty(password)) {
 740                        break;
 741                    }
 742                    provisionAccount(address, password);
 743                    break;
 744                }
 745                case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 746                    dismissErrorNotifications();
 747                    break;
 748                case ACTION_TRY_AGAIN:
 749                    resetAllAttemptCounts(false, true);
 750                    interactive = true;
 751                    break;
 752                case ACTION_REPLY_TO_CONVERSATION:
 753                    Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 754                    if (remoteInput == null) {
 755                        break;
 756                    }
 757                    final CharSequence body = remoteInput.getCharSequence("text_reply");
 758                    final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 759                    final String lastMessageUuid = intent.getStringExtra("last_message_uuid");
 760                    if (body == null || body.length() <= 0) {
 761                        break;
 762                    }
 763                    mNotificationExecutor.execute(() -> {
 764                        try {
 765                            restoredFromDatabaseLatch.await();
 766                            final Conversation c = findConversationByUuid(uuid);
 767                            if (c != null) {
 768                                directReply(c, body.toString(), lastMessageUuid, dismissNotification);
 769                            }
 770                        } catch (InterruptedException e) {
 771                            Log.d(Config.LOGTAG, "unable to process direct reply");
 772                        }
 773                    });
 774                    break;
 775                case ACTION_MARK_AS_READ:
 776                    mNotificationExecutor.execute(() -> {
 777                        final Conversation c = findConversationByUuid(uuid);
 778                        if (c == null) {
 779                            Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 780                            return;
 781                        }
 782                        try {
 783                            restoredFromDatabaseLatch.await();
 784                            sendReadMarker(c, null);
 785                        } catch (InterruptedException e) {
 786                            Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 787                        }
 788
 789                    });
 790                    break;
 791                case ACTION_SNOOZE:
 792                    mNotificationExecutor.execute(() -> {
 793                        final Conversation c = findConversationByUuid(uuid);
 794                        if (c == null) {
 795                            Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 796                            return;
 797                        }
 798                        c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 799                        mNotificationService.clearMessages(c);
 800                        updateConversation(c);
 801                    });
 802                case AudioManager.RINGER_MODE_CHANGED_ACTION:
 803                case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 804                    if (dndOnSilentMode()) {
 805                        refreshAllPresences();
 806                    }
 807                    break;
 808                case Intent.ACTION_SCREEN_ON:
 809                    deactivateGracePeriod();
 810                case Intent.ACTION_USER_PRESENT:
 811                case Intent.ACTION_SCREEN_OFF:
 812                    if (awayWhenScreenLocked()) {
 813                        refreshAllPresences();
 814                    }
 815                    break;
 816                case ACTION_FCM_TOKEN_REFRESH:
 817                    refreshAllFcmTokens();
 818                    break;
 819                case ACTION_IDLE_PING:
 820                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 821                        scheduleNextIdlePing();
 822                    }
 823                    break;
 824                case ACTION_FCM_MESSAGE_RECEIVED:
 825                    pushedAccountHash = intent.getStringExtra("account");
 826                    Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 827                    break;
 828                case Intent.ACTION_SEND:
 829                    Uri uri = intent.getData();
 830                    if (uri != null) {
 831                        Log.d(Config.LOGTAG, "received uri permission for " + uri.toString());
 832                    }
 833                    return START_STICKY;
 834            }
 835        }
 836        synchronized (this) {
 837            WakeLockHelper.acquire(wakeLock);
 838            boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action) || (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0 && ACTION_POST_CONNECTIVITY_CHANGE.equals(action));
 839            final HashSet<Account> pingCandidates = new HashSet<>();
 840            final String androidId = PhoneHelper.getAndroidId(this);
 841            for (Account account : accounts) {
 842                final boolean pushWasMeantForThisAccount = CryptoHelper.getAccountFingerprint(account, androidId).equals(pushedAccountHash);
 843                pingNow |= processAccountState(account,
 844                        interactive,
 845                        "ui".equals(action),
 846                        pushWasMeantForThisAccount,
 847                        pingCandidates);
 848            }
 849            if (pingNow) {
 850                for (Account account : pingCandidates) {
 851                    final boolean lowTimeout = isInLowPingTimeoutMode(account);
 852                    account.getXmppConnection().sendPing();
 853                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + lowTimeout + ")");
 854                    scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 855                }
 856            }
 857            WakeLockHelper.release(wakeLock);
 858        }
 859        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 860            expireOldMessages();
 861        }
 862        return START_STICKY;
 863    }
 864
 865    private void handleOrbotStartedEvent() {
 866        for (final Account account : accounts) {
 867            if (account.getStatus() == Account.State.TOR_NOT_AVAILABLE) {
 868                reconnectAccount(account, true, false);
 869            }
 870        }
 871    }
 872
 873    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 874        boolean pingNow = false;
 875        if (account.getStatus().isAttemptReconnect()) {
 876            if (!hasInternetConnection()) {
 877                account.setStatus(Account.State.NO_INTERNET);
 878                if (statusListener != null) {
 879                    statusListener.onStatusChanged(account);
 880                }
 881            } else {
 882                if (account.getStatus() == Account.State.NO_INTERNET) {
 883                    account.setStatus(Account.State.OFFLINE);
 884                    if (statusListener != null) {
 885                        statusListener.onStatusChanged(account);
 886                    }
 887                }
 888                if (account.getStatus() == Account.State.ONLINE) {
 889                    synchronized (mLowPingTimeoutMode) {
 890                        long lastReceived = account.getXmppConnection().getLastPacketReceived();
 891                        long lastSent = account.getXmppConnection().getLastPingSent();
 892                        long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 893                        long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 894                        int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 895                        long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 896                        if (lastSent > lastReceived) {
 897                            if (pingTimeoutIn < 0) {
 898                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 899                                this.reconnectAccount(account, true, interactive);
 900                            } else {
 901                                int secs = (int) (pingTimeoutIn / 1000);
 902                                this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 903                            }
 904                        } else {
 905                            pingCandidates.add(account);
 906                            if (isAccountPushed) {
 907                                pingNow = true;
 908                                if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 909                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 910                                }
 911                            } else if (msToNextPing <= 0) {
 912                                pingNow = true;
 913                            } else {
 914                                this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 915                                if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 916                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 917                                }
 918                            }
 919                        }
 920                    }
 921                } else if (account.getStatus() == Account.State.OFFLINE) {
 922                    reconnectAccount(account, true, interactive);
 923                } else if (account.getStatus() == Account.State.CONNECTING) {
 924                    long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 925                    long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 926                    long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 927                    long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 928                    if (timeout < 0) {
 929                        Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
 930                        account.getXmppConnection().resetAttemptCount(false);
 931                        reconnectAccount(account, true, interactive);
 932                    } else if (discoTimeout < 0) {
 933                        account.getXmppConnection().sendDiscoTimeout();
 934                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 935                    } else {
 936                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 937                    }
 938                } else {
 939                    if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 940                        reconnectAccount(account, true, interactive);
 941                    }
 942                }
 943            }
 944        }
 945        return pingNow;
 946    }
 947
 948    public void reinitializeMuclumbusService() {
 949        mChannelDiscoveryService.initializeMuclumbusService();
 950    }
 951
 952    public void discoverChannels(String query, ChannelDiscoveryService.Method method, ChannelDiscoveryService.OnChannelSearchResultsFound onChannelSearchResultsFound) {
 953        mChannelDiscoveryService.discover(Strings.nullToEmpty(query).trim(), method, onChannelSearchResultsFound);
 954    }
 955
 956    public boolean isDataSaverDisabled() {
 957        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 958            ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 959            return !connectivityManager.isActiveNetworkMetered()
 960                    || connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 961        } else {
 962            return true;
 963        }
 964    }
 965
 966    private void directReply(final Conversation conversation, final String body, final String lastMessageUuid, final boolean dismissAfterReply) {
 967        final Message inReplyTo = lastMessageUuid == null ? null : conversation.findMessageWithUuid(lastMessageUuid);
 968        final Message message = new Message(conversation, body, conversation.getNextEncryption());
 969        if (inReplyTo != null && inReplyTo.isPrivateMessage()) {
 970            Message.configurePrivateMessage(message, inReplyTo.getCounterpart());
 971        }
 972        message.markUnread();
 973        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 974            getPgpEngine().encrypt(message, new UiCallback<Message>() {
 975                @Override
 976                public void success(Message message) {
 977                    if (dismissAfterReply) {
 978                        markRead((Conversation) message.getConversation(), true);
 979                    } else {
 980                        mNotificationService.pushFromDirectReply(message);
 981                    }
 982                }
 983
 984                @Override
 985                public void error(int errorCode, Message object) {
 986
 987                }
 988
 989                @Override
 990                public void userInputRequired(PendingIntent pi, Message object) {
 991
 992                }
 993            });
 994        } else {
 995            sendMessage(message);
 996            if (dismissAfterReply) {
 997                markRead(conversation, true);
 998            } else {
 999                mNotificationService.pushFromDirectReply(message);
1000            }
1001        }
1002    }
1003
1004    private boolean dndOnSilentMode() {
1005        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
1006    }
1007
1008    private boolean manuallyChangePresence() {
1009        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
1010    }
1011
1012    private boolean treatVibrateAsSilent() {
1013        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
1014    }
1015
1016    private boolean awayWhenScreenLocked() {
1017        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
1018    }
1019
1020    private String getCompressPicturesPreference() {
1021        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
1022    }
1023
1024    private Presence.Status getTargetPresence() {
1025        if (dndOnSilentMode() && isPhoneSilenced()) {
1026            return Presence.Status.DND;
1027        } else if (awayWhenScreenLocked() && isScreenLocked()) {
1028            return Presence.Status.AWAY;
1029        } else {
1030            return Presence.Status.ONLINE;
1031        }
1032    }
1033
1034    public boolean isScreenLocked() {
1035        final KeyguardManager keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
1036        final PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
1037        final boolean locked = keyguardManager != null && keyguardManager.isKeyguardLocked();
1038        final boolean interactive = powerManager != null && powerManager.isInteractive();
1039        return locked || !interactive;
1040    }
1041
1042    private boolean isPhoneSilenced() {
1043        final boolean notificationDnd;
1044        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1045            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
1046            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
1047            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
1048        } else {
1049            notificationDnd = false;
1050        }
1051        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
1052        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
1053        try {
1054            if (treatVibrateAsSilent()) {
1055                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
1056            } else {
1057                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
1058            }
1059        } catch (Throwable throwable) {
1060            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
1061            return notificationDnd;
1062        }
1063    }
1064
1065    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
1066        Log.d(Config.LOGTAG, "resetting all attempt counts");
1067        for (Account account : accounts) {
1068            if (account.hasErrorStatus() || reallyAll) {
1069                final XmppConnection connection = account.getXmppConnection();
1070                if (connection != null) {
1071                    connection.resetAttemptCount(retryImmediately);
1072                }
1073            }
1074            if (account.setShowErrorNotification(true)) {
1075                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1076            }
1077        }
1078        mNotificationService.updateErrorNotification();
1079    }
1080
1081    private void dismissErrorNotifications() {
1082        for (final Account account : this.accounts) {
1083            if (account.hasErrorStatus()) {
1084                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
1085                if (account.setShowErrorNotification(false)) {
1086                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1087                }
1088            }
1089        }
1090    }
1091
1092    private void expireOldMessages() {
1093        expireOldMessages(false);
1094    }
1095
1096    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1097        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1098        mDatabaseWriterExecutor.execute(() -> {
1099            long timestamp = getAutomaticMessageDeletionDate();
1100            if (timestamp > 0) {
1101                databaseBackend.expireOldMessages(timestamp);
1102                synchronized (XmppConnectionService.this.conversations) {
1103                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1104                        conversation.expireOldMessages(timestamp);
1105                        if (resetHasMessagesLeftOnServer) {
1106                            conversation.messagesLoaded.set(true);
1107                            conversation.setHasMessagesLeftOnServer(true);
1108                        }
1109                    }
1110                }
1111                updateConversationUi();
1112            }
1113        });
1114    }
1115
1116    public boolean hasInternetConnection() {
1117        final ConnectivityManager cm = ContextCompat.getSystemService(this, ConnectivityManager.class);
1118        if (cm == null) {
1119            return true; //if internet connection can not be checked it is probably best to just try
1120        }
1121        try {
1122            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
1123                final Network activeNetwork = cm.getActiveNetwork();
1124                final NetworkCapabilities capabilities = activeNetwork == null ? null : cm.getNetworkCapabilities(activeNetwork);
1125                return capabilities != null && capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
1126            } else {
1127                final NetworkInfo networkInfo = cm.getActiveNetworkInfo();
1128                return networkInfo != null && (networkInfo.isConnected() || networkInfo.getType() == ConnectivityManager.TYPE_ETHERNET);
1129            }
1130        } catch (final RuntimeException e) {
1131            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1132            return true; //if internet connection can not be checked it is probably best to just try
1133        }
1134    }
1135
1136    @SuppressLint("TrulyRandom")
1137    @Override
1138    public void onCreate() {
1139        if (Compatibility.runsTwentySix()) {
1140            mNotificationService.initializeChannels();
1141        }
1142        mChannelDiscoveryService.initializeMuclumbusService();
1143        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1144        toggleForegroundService();
1145        this.destroyed = false;
1146        OmemoSetting.load(this);
1147        ExceptionHelper.init(getApplicationContext());
1148        try {
1149            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1150        } catch (Throwable throwable) {
1151            Log.e(Config.LOGTAG, "unable to initialize security provider", throwable);
1152        }
1153        Resolver.init(this);
1154        this.mRandom = new SecureRandom();
1155        updateMemorizingTrustmanager();
1156        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1157        final int cacheSize = maxMemory / 9;
1158        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
1159            @Override
1160            protected int sizeOf(final String key, final Bitmap bitmap) {
1161                return bitmap.getByteCount() / 1024;
1162            }
1163        };
1164        this.mDrawableCache = new LruCache<String, Drawable>(cacheSize) {
1165            @Override
1166            protected int sizeOf(final String key, final Drawable drawable) {
1167                if (drawable instanceof BitmapDrawable) {
1168                    return ((BitmapDrawable) drawable).getBitmap().getByteCount() / 1024;
1169                } else {
1170                    return drawable.getIntrinsicWidth() * drawable.getIntrinsicHeight() * 40 / 1024;
1171                }
1172            }
1173        };
1174        if (mLastActivity == 0) {
1175            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1176        }
1177
1178        Log.d(Config.LOGTAG, "initializing database...");
1179        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1180        Log.d(Config.LOGTAG, "restoring accounts...");
1181        this.accounts = databaseBackend.getAccounts();
1182        final SharedPreferences.Editor editor = getPreferences().edit();
1183        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1184            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1185            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1186        }
1187        final boolean hasEnabledAccounts = hasEnabledAccounts();
1188        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1189        editor.apply();
1190        toggleSetProfilePictureActivity(hasEnabledAccounts);
1191
1192        restoreFromDatabase();
1193
1194        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1195            startContactObserver();
1196        }
1197        FILE_OBSERVER_EXECUTOR.execute(fileBackend::deleteHistoricAvatarPath);
1198        if (Compatibility.hasStoragePermission(this)) {
1199            Log.d(Config.LOGTAG, "starting file observer");
1200            FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::startWatching);
1201            FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1202        }
1203        if (Config.supportOpenPgp()) {
1204            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1205                @Override
1206                public void onBound(IOpenPgpService2 service) {
1207                    for (Account account : accounts) {
1208                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1209                        if (pgp != null) {
1210                            pgp.continueDecryption(true);
1211                        }
1212                    }
1213                }
1214
1215                @Override
1216                public void onError(Exception e) {
1217                }
1218            });
1219            this.pgpServiceConnection.bindToService();
1220        }
1221
1222        final PowerManager pm = ContextCompat.getSystemService(this, PowerManager.class);
1223        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1224
1225        toggleForegroundService();
1226        updateUnreadCountBadge();
1227        toggleScreenEventReceiver();
1228        final IntentFilter intentFilter = new IntentFilter();
1229        intentFilter.addAction(TorServiceUtils.ACTION_STATUS);
1230        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1231            scheduleNextIdlePing();
1232            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1233                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1234            }
1235            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1236        }
1237        registerReceiver(this.mInternalEventReceiver, intentFilter);
1238        mForceDuringOnCreate.set(false);
1239        toggleForegroundService();
1240        setupPhoneStateListener();
1241    }
1242
1243
1244    private void setupPhoneStateListener() {
1245        final TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
1246        if (telephonyManager != null) {
1247            telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
1248        }
1249    }
1250
1251    public boolean isPhoneInCall() {
1252        return isPhoneInCall.get();
1253    }
1254
1255    private void checkForDeletedFiles() {
1256        if (destroyed) {
1257            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1258            return;
1259        }
1260        final long start = SystemClock.elapsedRealtime();
1261        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1262        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1263        for (final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1264            if (destroyed) {
1265                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1266                return;
1267            }
1268            final File file = fileBackend.getFileForPath(filePath.path);
1269            if (filePath.setDeleted(!file.exists())) {
1270                changed.add(filePath);
1271            }
1272        }
1273        final long duration = SystemClock.elapsedRealtime() - start;
1274        Log.d(Config.LOGTAG, "found " + changed.size() + " changed files on start up. total=" + relativeFilePaths.size() + ". (" + duration + "ms)");
1275        if (changed.size() > 0) {
1276            databaseBackend.markFilesAsChanged(changed);
1277            markChangedFiles(changed);
1278        }
1279    }
1280
1281    public void startContactObserver() {
1282        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1283            @Override
1284            public void onChange(boolean selfChange) {
1285                super.onChange(selfChange);
1286                if (restoredFromDatabaseLatch.getCount() == 0) {
1287                    loadPhoneContacts();
1288                }
1289            }
1290        });
1291    }
1292
1293    @Override
1294    public void onTrimMemory(int level) {
1295        super.onTrimMemory(level);
1296        if (level >= TRIM_MEMORY_COMPLETE) {
1297            Log.d(Config.LOGTAG, "clear cache due to low memory");
1298            getBitmapCache().evictAll();
1299        }
1300    }
1301
1302    @Override
1303    public void onDestroy() {
1304        try {
1305            unregisterReceiver(this.mInternalEventReceiver);
1306            unregisterReceiver(this.mInternalScreenEventReceiver);
1307        } catch (final IllegalArgumentException e) {
1308            //ignored
1309        }
1310        destroyed = false;
1311        fileObserver.stopWatching();
1312        super.onDestroy();
1313    }
1314
1315    public void restartFileObserver() {
1316        Log.d(Config.LOGTAG, "restarting file observer");
1317        FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::restartWatching);
1318        FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1319    }
1320
1321    public void toggleScreenEventReceiver() {
1322        if (awayWhenScreenLocked() && !manuallyChangePresence()) {
1323            final IntentFilter filter = new IntentFilter();
1324            filter.addAction(Intent.ACTION_SCREEN_ON);
1325            filter.addAction(Intent.ACTION_SCREEN_OFF);
1326            filter.addAction(Intent.ACTION_USER_PRESENT);
1327            registerReceiver(this.mInternalScreenEventReceiver, filter);
1328        } else {
1329            try {
1330                unregisterReceiver(this.mInternalScreenEventReceiver);
1331            } catch (IllegalArgumentException e) {
1332                //ignored
1333            }
1334        }
1335    }
1336
1337    public void toggleForegroundService() {
1338        toggleForegroundService(false);
1339    }
1340
1341    public void setOngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
1342        ongoingCall.set(new OngoingCall(id, media, reconnecting));
1343        toggleForegroundService(false);
1344    }
1345
1346    public void removeOngoingCall() {
1347        ongoingCall.set(null);
1348        toggleForegroundService(false);
1349    }
1350
1351    private void toggleForegroundService(boolean force) {
1352        final boolean status;
1353        final OngoingCall ongoing = ongoingCall.get();
1354        if (force || mForceDuringOnCreate.get() || mForceForegroundService.get() || ongoing != null || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1355            final Notification notification;
1356            final int id;
1357            if (ongoing != null) {
1358                notification = this.mNotificationService.getOngoingCallNotification(ongoing);
1359                id = NotificationService.ONGOING_CALL_NOTIFICATION_ID;
1360                startForeground(id, notification);
1361                mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1362            } else {
1363                notification = this.mNotificationService.createForegroundNotification();
1364                id = NotificationService.FOREGROUND_NOTIFICATION_ID;
1365                startForeground(id, notification);
1366            }
1367
1368            if (!mForceForegroundService.get()) {
1369                mNotificationService.notify(id, notification);
1370            }
1371            status = true;
1372        } else {
1373            stopForeground(true);
1374            status = false;
1375        }
1376        if (!mForceForegroundService.get()) {
1377            mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1378        }
1379        if (ongoing == null) {
1380            mNotificationService.cancel(NotificationService.ONGOING_CALL_NOTIFICATION_ID);
1381        }
1382        Log.d(Config.LOGTAG, "ForegroundService: " + (status ? "on" : "off"));
1383    }
1384
1385    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1386        return !mForceForegroundService.get() && ongoingCall.get() == null && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1387    }
1388
1389    @Override
1390    public void onTaskRemoved(final Intent rootIntent) {
1391        super.onTaskRemoved(rootIntent);
1392        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get() || ongoingCall.get() != null) {
1393            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1394        } else {
1395            this.logoutAndSave(false);
1396        }
1397    }
1398
1399    private void logoutAndSave(boolean stop) {
1400        int activeAccounts = 0;
1401        for (final Account account : accounts) {
1402            if (account.getStatus() != Account.State.DISABLED) {
1403                databaseBackend.writeRoster(account.getRoster());
1404                activeAccounts++;
1405            }
1406            if (account.getXmppConnection() != null) {
1407                new Thread(() -> disconnect(account, false)).start();
1408            }
1409        }
1410        if (stop || activeAccounts == 0) {
1411            Log.d(Config.LOGTAG, "good bye");
1412            stopSelf();
1413        }
1414    }
1415
1416    private void schedulePostConnectivityChange() {
1417        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1418        if (alarmManager == null) {
1419            return;
1420        }
1421        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1422        final Intent intent = new Intent(this, EventReceiver.class);
1423        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1424        try {
1425            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, 0);
1426            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1427                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1428            } else {
1429                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1430            }
1431        } catch (RuntimeException e) {
1432            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1433        }
1434    }
1435
1436    public void scheduleWakeUpCall(int seconds, int requestCode) {
1437        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
1438        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1439        if (alarmManager == null) {
1440            return;
1441        }
1442        final Intent intent = new Intent(this, EventReceiver.class);
1443        intent.setAction("ping");
1444        try {
1445            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
1446            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1447        } catch (RuntimeException e) {
1448            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1449        }
1450    }
1451
1452    @TargetApi(Build.VERSION_CODES.M)
1453    private void scheduleNextIdlePing() {
1454        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1455        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1456        if (alarmManager == null) {
1457            return;
1458        }
1459        final Intent intent = new Intent(this, EventReceiver.class);
1460        intent.setAction(ACTION_IDLE_PING);
1461        try {
1462            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
1463            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1464        } catch (RuntimeException e) {
1465            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1466        }
1467    }
1468
1469    public XmppConnection createConnection(final Account account) {
1470        final XmppConnection connection = new XmppConnection(account, this);
1471        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1472        connection.setOnStatusChangedListener(this.statusListener);
1473        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1474        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1475        connection.setOnJinglePacketReceivedListener(((a, jp) -> mJingleConnectionManager.deliverPacket(a, jp)));
1476        connection.setOnBindListener(this.mOnBindListener);
1477        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1478        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1479        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1480        AxolotlService axolotlService = account.getAxolotlService();
1481        if (axolotlService != null) {
1482            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1483        }
1484        return connection;
1485    }
1486
1487    public void sendChatState(Conversation conversation) {
1488        if (sendChatStates()) {
1489            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1490            sendMessagePacket(conversation.getAccount(), packet);
1491        }
1492    }
1493
1494    private void sendFileMessage(final Message message, final boolean delay) {
1495        Log.d(Config.LOGTAG, "send file message");
1496        final Account account = message.getConversation().getAccount();
1497        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1498                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1499            mHttpConnectionManager.createNewUploadConnection(message, delay);
1500        } else {
1501            mJingleConnectionManager.startJingleFileTransfer(message);
1502        }
1503    }
1504
1505    public void sendMessage(final Message message) {
1506        sendMessage(message, false, false);
1507    }
1508
1509    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1510        final Account account = message.getConversation().getAccount();
1511        if (account.setShowErrorNotification(true)) {
1512            databaseBackend.updateAccount(account);
1513            mNotificationService.updateErrorNotification();
1514        }
1515        final Conversation conversation = (Conversation) message.getConversation();
1516        account.deactivateGracePeriod();
1517
1518
1519        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1520            final Contact contact = conversation.getContact();
1521            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1522                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": adding " + contact.getJid() + " on sending message");
1523                createContact(contact, true);
1524            }
1525        }
1526
1527        MessagePacket packet = null;
1528        final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1529                || !Patches.BAD_MUC_REFLECTION.contains(account.getServerIdentity()))
1530                && !message.edited();
1531        boolean saveInDb = addToConversation;
1532        message.setStatus(Message.STATUS_WAITING);
1533
1534        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1535            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1536                databaseBackend.updateConversation(conversation);
1537            }
1538        }
1539
1540        final boolean inProgressJoin = isJoinInProgress(conversation);
1541
1542
1543        if (account.isOnlineAndConnected() && !inProgressJoin) {
1544            switch (message.getEncryption()) {
1545                case Message.ENCRYPTION_NONE:
1546                    if (message.needsUploading()) {
1547                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1548                                || conversation.getMode() == Conversation.MODE_MULTI
1549                                || message.fixCounterpart()) {
1550                            this.sendFileMessage(message, delay);
1551                        } else {
1552                            break;
1553                        }
1554                    } else {
1555                        packet = mMessageGenerator.generateChat(message);
1556                    }
1557                    break;
1558                case Message.ENCRYPTION_PGP:
1559                case Message.ENCRYPTION_DECRYPTED:
1560                    if (message.needsUploading()) {
1561                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1562                                || conversation.getMode() == Conversation.MODE_MULTI
1563                                || message.fixCounterpart()) {
1564                            this.sendFileMessage(message, delay);
1565                        } else {
1566                            break;
1567                        }
1568                    } else {
1569                        packet = mMessageGenerator.generatePgpChat(message);
1570                    }
1571                    break;
1572                case Message.ENCRYPTION_AXOLOTL:
1573                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1574                    if (message.needsUploading()) {
1575                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1576                                || conversation.getMode() == Conversation.MODE_MULTI
1577                                || message.fixCounterpart()) {
1578                            this.sendFileMessage(message, delay);
1579                        } else {
1580                            break;
1581                        }
1582                    } else {
1583                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1584                        if (axolotlMessage == null) {
1585                            account.getAxolotlService().preparePayloadMessage(message, delay);
1586                        } else {
1587                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1588                        }
1589                    }
1590                    break;
1591
1592            }
1593            if (packet != null) {
1594                if (account.getXmppConnection().getFeatures().sm()
1595                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1596                    message.setStatus(Message.STATUS_UNSEND);
1597                } else {
1598                    message.setStatus(Message.STATUS_SEND);
1599                }
1600            }
1601        } else {
1602            switch (message.getEncryption()) {
1603                case Message.ENCRYPTION_DECRYPTED:
1604                    if (!message.needsUploading()) {
1605                        String pgpBody = message.getEncryptedBody();
1606                        String decryptedBody = message.getBody();
1607                        message.setBody(pgpBody); //TODO might throw NPE
1608                        message.setEncryption(Message.ENCRYPTION_PGP);
1609                        if (message.edited()) {
1610                            message.setBody(decryptedBody);
1611                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1612                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1613                                Log.e(Config.LOGTAG, "error updated message in DB after edit");
1614                            }
1615                            updateConversationUi();
1616                            return;
1617                        } else {
1618                            databaseBackend.createMessage(message);
1619                            saveInDb = false;
1620                            message.setBody(decryptedBody);
1621                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1622                        }
1623                    }
1624                    break;
1625                case Message.ENCRYPTION_AXOLOTL:
1626                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1627                    break;
1628            }
1629        }
1630
1631
1632        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1633        if (mucMessage) {
1634            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1635        }
1636
1637        if (resend) {
1638            if (packet != null && addToConversation) {
1639                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1640                    markMessage(message, Message.STATUS_UNSEND);
1641                } else {
1642                    markMessage(message, Message.STATUS_SEND);
1643                }
1644            }
1645        } else {
1646            if (addToConversation) {
1647                conversation.add(message);
1648            }
1649            if (saveInDb) {
1650                databaseBackend.createMessage(message);
1651            } else if (message.edited()) {
1652                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1653                    Log.e(Config.LOGTAG, "error updated message in DB after edit");
1654                }
1655            }
1656            updateConversationUi();
1657        }
1658        if (packet != null) {
1659            if (delay) {
1660                mMessageGenerator.addDelay(packet, message.getTimeSent());
1661            }
1662            if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
1663                if (this.sendChatStates()) {
1664                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1665                }
1666            }
1667            sendMessagePacket(account, packet);
1668        }
1669    }
1670
1671    private boolean isJoinInProgress(final Conversation conversation) {
1672        final Account account = conversation.getAccount();
1673        synchronized (account.inProgressConferenceJoins) {
1674            if (conversation.getMode() == Conversational.MODE_MULTI) {
1675                final boolean inProgress = account.inProgressConferenceJoins.contains(conversation);
1676                final boolean pending = account.pendingConferenceJoins.contains(conversation);
1677                final boolean inProgressJoin = inProgress || pending;
1678                if (inProgressJoin) {
1679                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": holding back message to group. inProgress=" + inProgress + ", pending=" + pending);
1680                }
1681                return inProgressJoin;
1682            } else {
1683                return false;
1684            }
1685        }
1686    }
1687
1688    private void sendUnsentMessages(final Conversation conversation) {
1689        conversation.findWaitingMessages(message -> resendMessage(message, true));
1690    }
1691
1692    public void resendMessage(final Message message, final boolean delay) {
1693        sendMessage(message, true, delay);
1694    }
1695
1696    public void requestEasyOnboardingInvite(final Account account, final EasyOnboardingInvite.OnInviteRequested callback) {
1697        final XmppConnection connection = account.getXmppConnection();
1698        final Jid jid = connection == null ? null : connection.getJidForCommand(Namespace.EASY_ONBOARDING_INVITE);
1699        if (jid == null) {
1700            callback.inviteRequestFailed(getString(R.string.server_does_not_support_easy_onboarding_invites));
1701            return;
1702        }
1703        final IqPacket request = new IqPacket(IqPacket.TYPE.SET);
1704        request.setTo(jid);
1705        final Element command = request.addChild("command", Namespace.COMMANDS);
1706        command.setAttribute("node", Namespace.EASY_ONBOARDING_INVITE);
1707        command.setAttribute("action", "execute");
1708        sendIqPacket(account, request, (a, response) -> {
1709            if (response.getType() == IqPacket.TYPE.RESULT) {
1710                final Element resultCommand = response.findChild("command", Namespace.COMMANDS);
1711                final Element x = resultCommand == null ? null : resultCommand.findChild("x", Namespace.DATA);
1712                if (x != null) {
1713                    final Data data = Data.parse(x);
1714                    final String uri = data.getValue("uri");
1715                    final String landingUrl = data.getValue("landing-url");
1716                    if (uri != null) {
1717                        final EasyOnboardingInvite invite = new EasyOnboardingInvite(jid.getDomain().toEscapedString(), uri, landingUrl);
1718                        callback.inviteRequested(invite);
1719                        return;
1720                    }
1721                }
1722                callback.inviteRequestFailed(getString(R.string.unable_to_parse_invite));
1723                Log.d(Config.LOGTAG, response.toString());
1724            } else if (response.getType() == IqPacket.TYPE.ERROR) {
1725                callback.inviteRequestFailed(IqParser.errorMessage(response));
1726            } else {
1727                callback.inviteRequestFailed(getString(R.string.remote_server_timeout));
1728            }
1729        });
1730
1731    }
1732
1733    public void fetchRosterFromServer(final Account account) {
1734        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1735        if (!"".equals(account.getRosterVersion())) {
1736            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1737                    + ": fetching roster version " + account.getRosterVersion());
1738        } else {
1739            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1740        }
1741        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1742        sendIqPacket(account, iqPacket, mIqParser);
1743    }
1744
1745    public void fetchBookmarks(final Account account) {
1746        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1747        final Element query = iqPacket.query("jabber:iq:private");
1748        query.addChild("storage", Namespace.BOOKMARKS);
1749        final OnIqPacketReceived callback = (a, response) -> {
1750            if (response.getType() == IqPacket.TYPE.RESULT) {
1751                final Element query1 = response.query();
1752                final Element storage = query1.findChild("storage", "storage:bookmarks");
1753                Map<Jid, Bookmark> bookmarks = Bookmark.parseFromStorage(storage, account);
1754                processBookmarksInitial(a, bookmarks, false);
1755            } else {
1756                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1757            }
1758        };
1759        sendIqPacket(account, iqPacket, callback);
1760    }
1761
1762    public void fetchBookmarks2(final Account account) {
1763        final IqPacket retrieve = mIqGenerator.retrieveBookmarks();
1764        sendIqPacket(account, retrieve, new OnIqPacketReceived() {
1765            @Override
1766            public void onIqPacketReceived(final Account account, final IqPacket response) {
1767                if (response.getType() == IqPacket.TYPE.RESULT) {
1768                    final Element pubsub = response.findChild("pubsub", Namespace.PUBSUB);
1769                    final Map<Jid, Bookmark> bookmarks = Bookmark.parseFromPubsub(pubsub, account);
1770                    processBookmarksInitial(account, bookmarks, true);
1771                }
1772            }
1773        });
1774    }
1775
1776    public void processBookmarksInitial(Account account, Map<Jid, Bookmark> bookmarks, final boolean pep) {
1777        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
1778        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1779        for (Bookmark bookmark : bookmarks.values()) {
1780            previousBookmarks.remove(bookmark.getJid().asBareJid());
1781            processModifiedBookmark(bookmark, pep, synchronizeWithBookmarks);
1782        }
1783        if (pep && synchronizeWithBookmarks) {
1784            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
1785            for (Jid jid : previousBookmarks) {
1786                processDeletedBookmark(account, jid);
1787            }
1788        }
1789        account.setBookmarks(bookmarks);
1790    }
1791
1792    public void processDeletedBookmark(Account account, Jid jid) {
1793        final Conversation conversation = find(account, jid);
1794        if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
1795            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving destroyed conference (" + conversation.getJid() + ") after receiving pep");
1796            archiveConversation(conversation, false);
1797        }
1798    }
1799
1800    private void processModifiedBookmark(Bookmark bookmark, final boolean pep, final boolean synchronizeWithBookmarks) {
1801        final Account account = bookmark.getAccount();
1802        Conversation conversation = find(bookmark);
1803        if (conversation != null) {
1804            if (conversation.getMode() != Conversation.MODE_MULTI) {
1805                return;
1806            }
1807            bookmark.setConversation(conversation);
1808            if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
1809                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conference (" + conversation.getJid() + ") after receiving pep");
1810                archiveConversation(conversation, false);
1811            } else {
1812                final MucOptions mucOptions = conversation.getMucOptions();
1813                if (mucOptions.getError() == MucOptions.Error.NICK_IN_USE) {
1814                    final String current = mucOptions.getActualNick();
1815                    final String proposed = mucOptions.getProposedNick();
1816                    if (current != null && !current.equals(proposed)) {
1817                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": proposed nick changed after bookmark push " + current + "->" + proposed);
1818                        joinMuc(conversation);
1819                    }
1820                }
1821            }
1822        } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
1823            conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1824            bookmark.setConversation(conversation);
1825        }
1826    }
1827
1828    public void processModifiedBookmark(Bookmark bookmark) {
1829        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1830        processModifiedBookmark(bookmark, true, synchronizeWithBookmarks);
1831    }
1832
1833    public void createBookmark(final Account account, final Bookmark bookmark) {
1834        account.putBookmark(bookmark);
1835        final XmppConnection connection = account.getXmppConnection();
1836        if (connection.getFeatures().bookmarks2()) {
1837            final Element item = mIqGenerator.publishBookmarkItem(bookmark);
1838            pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS2, item, bookmark.getJid().asBareJid().toEscapedString(), PublishOptions.persistentWhitelistAccessMaxItems());
1839        } else if (connection.getFeatures().bookmarksConversion()) {
1840            pushBookmarksPep(account);
1841        } else {
1842            pushBookmarksPrivateXml(account);
1843        }
1844    }
1845
1846    public void deleteBookmark(final Account account, final Bookmark bookmark) {
1847        account.removeBookmark(bookmark);
1848        final XmppConnection connection = account.getXmppConnection();
1849        if (connection.getFeatures().bookmarks2()) {
1850            IqPacket request = mIqGenerator.deleteItem(Namespace.BOOKMARKS2, bookmark.getJid().asBareJid().toEscapedString());
1851            sendIqPacket(account, request, (a, response) -> {
1852                if (response.getType() == IqPacket.TYPE.ERROR) {
1853                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": unable to delete bookmark " + response.getErrorCondition());
1854                }
1855            });
1856        } else if (connection.getFeatures().bookmarksConversion()) {
1857            pushBookmarksPep(account);
1858        } else {
1859            pushBookmarksPrivateXml(account);
1860        }
1861    }
1862
1863    private void pushBookmarksPrivateXml(Account account) {
1864        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1865        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1866        Element query = iqPacket.query("jabber:iq:private");
1867        Element storage = query.addChild("storage", "storage:bookmarks");
1868        for (Bookmark bookmark : account.getBookmarks()) {
1869            storage.addChild(bookmark);
1870        }
1871        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1872    }
1873
1874    private void pushBookmarksPep(Account account) {
1875        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1876        Element storage = new Element("storage", "storage:bookmarks");
1877        for (Bookmark bookmark : account.getBookmarks()) {
1878            storage.addChild(bookmark);
1879        }
1880        pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS, storage, "current", PublishOptions.persistentWhitelistAccess());
1881
1882    }
1883
1884    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options) {
1885        pushNodeAndEnforcePublishOptions(account, node, element, id, options, true);
1886
1887    }
1888
1889    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options, final boolean retry) {
1890        final IqPacket packet = mIqGenerator.publishElement(node, element, id, options);
1891        sendIqPacket(account, packet, (a, response) -> {
1892            if (response.getType() == IqPacket.TYPE.RESULT) {
1893                return;
1894            }
1895            if (retry && PublishOptions.preconditionNotMet(response)) {
1896                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1897                    @Override
1898                    public void onPushSucceeded() {
1899                        pushNodeAndEnforcePublishOptions(account, node, element, id, options, false);
1900                    }
1901
1902                    @Override
1903                    public void onPushFailed() {
1904                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to push node configuration (" + node + ")");
1905                    }
1906                });
1907            } else {
1908                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error publishing bookmarks (retry=" + retry + ") " + response);
1909            }
1910        });
1911    }
1912
1913    private void restoreFromDatabase() {
1914        synchronized (this.conversations) {
1915            final Map<String, Account> accountLookupTable = new Hashtable<>();
1916            for (Account account : this.accounts) {
1917                accountLookupTable.put(account.getUuid(), account);
1918            }
1919            Log.d(Config.LOGTAG, "restoring conversations...");
1920            final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1921            this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1922            for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1923                Conversation conversation = iterator.next();
1924                Account account = accountLookupTable.get(conversation.getAccountUuid());
1925                if (account != null) {
1926                    conversation.setAccount(account);
1927                } else {
1928                    Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1929                    iterator.remove();
1930                }
1931            }
1932            long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1933            Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1934            Runnable runnable = () -> {
1935                if (DatabaseBackend.requiresMessageIndexRebuild()) {
1936                    DatabaseBackend.getInstance(this).rebuildMessagesIndex();
1937                }
1938                final long deletionDate = getAutomaticMessageDeletionDate();
1939                mLastExpiryRun.set(SystemClock.elapsedRealtime());
1940                if (deletionDate > 0) {
1941                    Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1942                    databaseBackend.expireOldMessages(deletionDate);
1943                }
1944                Log.d(Config.LOGTAG, "restoring roster...");
1945                for (Account account : accounts) {
1946                    databaseBackend.readRoster(account.getRoster());
1947                    account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1948                }
1949                getBitmapCache().evictAll();
1950                loadPhoneContacts();
1951                Log.d(Config.LOGTAG, "restoring messages...");
1952                final long startMessageRestore = SystemClock.elapsedRealtime();
1953                final Conversation quickLoad = QuickLoader.get(this.conversations);
1954                if (quickLoad != null) {
1955                    restoreMessages(quickLoad);
1956                    updateConversationUi();
1957                    final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1958                    Log.d(Config.LOGTAG, "quickly restored " + quickLoad.getName() + " after " + diffMessageRestore + "ms");
1959                }
1960                for (Conversation conversation : this.conversations) {
1961                    if (quickLoad != conversation) {
1962                        restoreMessages(conversation);
1963                    }
1964                }
1965                mNotificationService.finishBacklog(false);
1966                restoredFromDatabaseLatch.countDown();
1967                final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1968                Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1969                updateConversationUi();
1970            };
1971            mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1972        }
1973    }
1974
1975    private void restoreMessages(Conversation conversation) {
1976        conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1977        conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1978        conversation.findUnreadMessagesAndCalls(mNotificationService::pushFromBacklog);
1979    }
1980
1981    public void loadPhoneContacts() {
1982        mContactMergerExecutor.execute(() -> {
1983            Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
1984            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1985            for (Account account : accounts) {
1986                List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
1987                for (JabberIdContact jidContact : contacts.values()) {
1988                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
1989                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
1990                    if (needsCacheClean) {
1991                        getAvatarService().clear(contact);
1992                    }
1993                    withSystemAccounts.remove(contact);
1994                }
1995                for (Contact contact : withSystemAccounts) {
1996                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
1997                    if (needsCacheClean) {
1998                        getAvatarService().clear(contact);
1999                    }
2000                }
2001            }
2002            Log.d(Config.LOGTAG, "finished merging phone contacts");
2003            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
2004            updateRosterUi();
2005            mQuickConversationsService.considerSync();
2006        });
2007    }
2008
2009
2010    public void syncRoster(final Account account) {
2011        unregisterPhoneAccounts(account);
2012        mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
2013    }
2014
2015    public List<Conversation> getConversations() {
2016        return this.conversations;
2017    }
2018
2019    private void markFileDeleted(final File file) {
2020        synchronized (FILENAMES_TO_IGNORE_DELETION) {
2021            if (FILENAMES_TO_IGNORE_DELETION.remove(file.getAbsolutePath())) {
2022                Log.d(Config.LOGTAG, "ignored deletion of " + file.getAbsolutePath());
2023                return;
2024            }
2025        }
2026        final boolean isInternalFile = fileBackend.isInternalFile(file);
2027        final List<String> uuids = databaseBackend.markFileAsDeleted(file, isInternalFile);
2028        Log.d(Config.LOGTAG, "deleted file " + file.getAbsolutePath() + " internal=" + isInternalFile + ", database hits=" + uuids.size());
2029        markUuidsAsDeletedFiles(uuids);
2030    }
2031
2032    private void markUuidsAsDeletedFiles(List<String> uuids) {
2033        boolean deleted = false;
2034        for (Conversation conversation : getConversations()) {
2035            deleted |= conversation.markAsDeleted(uuids);
2036        }
2037        for (final String uuid : uuids) {
2038            evictPreview(uuid);
2039        }
2040        if (deleted) {
2041            updateConversationUi();
2042        }
2043    }
2044
2045    private void markChangedFiles(List<DatabaseBackend.FilePathInfo> infos) {
2046        boolean changed = false;
2047        for (Conversation conversation : getConversations()) {
2048            changed |= conversation.markAsChanged(infos);
2049        }
2050        if (changed) {
2051            updateConversationUi();
2052        }
2053    }
2054
2055    public void populateWithOrderedConversations(final List<Conversation> list) {
2056        populateWithOrderedConversations(list, true, true);
2057    }
2058
2059    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload) {
2060        populateWithOrderedConversations(list, includeNoFileUpload, true);
2061    }
2062
2063    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload, final boolean sort) {
2064        final List<String> orderedUuids;
2065        if (sort) {
2066            orderedUuids = null;
2067        } else {
2068            orderedUuids = new ArrayList<>();
2069            for (Conversation conversation : list) {
2070                orderedUuids.add(conversation.getUuid());
2071            }
2072        }
2073        list.clear();
2074        if (includeNoFileUpload) {
2075            list.addAll(getConversations());
2076        } else {
2077            for (Conversation conversation : getConversations()) {
2078                if (conversation.getMode() == Conversation.MODE_SINGLE
2079                        || (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
2080                    list.add(conversation);
2081                }
2082            }
2083        }
2084        try {
2085            if (orderedUuids != null) {
2086                Collections.sort(list, (a, b) -> {
2087                    final int indexA = orderedUuids.indexOf(a.getUuid());
2088                    final int indexB = orderedUuids.indexOf(b.getUuid());
2089                    if (indexA == -1 || indexB == -1 || indexA == indexB) {
2090                        return a.compareTo(b);
2091                    }
2092                    return indexA - indexB;
2093                });
2094            } else {
2095                Collections.sort(list);
2096            }
2097        } catch (IllegalArgumentException e) {
2098            //ignore
2099        }
2100    }
2101
2102    public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
2103        if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
2104            return;
2105        } else if (timestamp == 0) {
2106            return;
2107        }
2108        Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
2109        final Runnable runnable = () -> {
2110            final Account account = conversation.getAccount();
2111            List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
2112            if (messages.size() > 0) {
2113                conversation.addAll(0, messages);
2114                callback.onMoreMessagesLoaded(messages.size(), conversation);
2115            } else if (conversation.hasMessagesLeftOnServer()
2116                    && account.isOnlineAndConnected()
2117                    && conversation.getLastClearHistory().getTimestamp() == 0) {
2118                final boolean mamAvailable;
2119                if (conversation.getMode() == Conversation.MODE_SINGLE) {
2120                    mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
2121                } else {
2122                    mamAvailable = conversation.getMucOptions().mamSupport();
2123                }
2124                if (mamAvailable) {
2125                    MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
2126                    if (query != null) {
2127                        query.setCallback(callback);
2128                        callback.informUser(R.string.fetching_history_from_server);
2129                    } else {
2130                        callback.informUser(R.string.not_fetching_history_retention_period);
2131                    }
2132
2133                }
2134            }
2135        };
2136        mDatabaseReaderExecutor.execute(runnable);
2137    }
2138
2139    public List<Account> getAccounts() {
2140        return this.accounts;
2141    }
2142
2143
2144    /**
2145     * 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)
2146     */
2147    public List<Conversation> findAllConferencesWith(Contact contact) {
2148        final ArrayList<Conversation> results = new ArrayList<>();
2149        for (final Conversation c : conversations) {
2150            if (c.getMode() != Conversation.MODE_MULTI) {
2151                continue;
2152            }
2153            final MucOptions mucOptions = c.getMucOptions();
2154            if (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || (mucOptions != null && mucOptions.isContactInRoom(contact))) {
2155                results.add(c);
2156            }
2157        }
2158        return results;
2159    }
2160
2161    public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
2162        for (final Conversation conversation : haystack) {
2163            if (conversation.getContact() == contact) {
2164                return conversation;
2165            }
2166        }
2167        return null;
2168    }
2169
2170    public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
2171        if (jid == null) {
2172            return null;
2173        }
2174        for (final Conversation conversation : haystack) {
2175            if ((account == null || conversation.getAccount() == account)
2176                    && (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
2177                return conversation;
2178            }
2179        }
2180        return null;
2181    }
2182
2183    public boolean isConversationsListEmpty(final Conversation ignore) {
2184        synchronized (this.conversations) {
2185            final int size = this.conversations.size();
2186            return size == 0 || size == 1 && this.conversations.get(0) == ignore;
2187        }
2188    }
2189
2190    public boolean isConversationStillOpen(final Conversation conversation) {
2191        synchronized (this.conversations) {
2192            for (Conversation current : this.conversations) {
2193                if (current == conversation) {
2194                    return true;
2195                }
2196            }
2197        }
2198        return false;
2199    }
2200
2201    public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
2202        return this.findOrCreateConversation(account, jid, muc, false, async);
2203    }
2204
2205    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
2206        return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
2207    }
2208
2209    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
2210        synchronized (this.conversations) {
2211            Conversation conversation = find(account, jid);
2212            if (conversation != null) {
2213                return conversation;
2214            }
2215            conversation = databaseBackend.findConversation(account, jid);
2216            final boolean loadMessagesFromDb;
2217            if (conversation != null) {
2218                conversation.setStatus(Conversation.STATUS_AVAILABLE);
2219                conversation.setAccount(account);
2220                if (muc) {
2221                    conversation.setMode(Conversation.MODE_MULTI);
2222                    conversation.setContactJid(jid);
2223                } else {
2224                    conversation.setMode(Conversation.MODE_SINGLE);
2225                    conversation.setContactJid(jid.asBareJid());
2226                }
2227                databaseBackend.updateConversation(conversation);
2228                loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
2229            } else {
2230                String conversationName;
2231                Contact contact = account.getRoster().getContact(jid);
2232                if (contact != null) {
2233                    conversationName = contact.getDisplayName();
2234                } else {
2235                    conversationName = jid.getLocal();
2236                }
2237                if (muc) {
2238                    conversation = new Conversation(conversationName, account, jid,
2239                            Conversation.MODE_MULTI);
2240                } else {
2241                    conversation = new Conversation(conversationName, account, jid.asBareJid(),
2242                            Conversation.MODE_SINGLE);
2243                }
2244                this.databaseBackend.createConversation(conversation);
2245                loadMessagesFromDb = false;
2246            }
2247            final Conversation c = conversation;
2248            final Runnable runnable = () -> {
2249                if (loadMessagesFromDb) {
2250                    c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
2251                    updateConversationUi();
2252                    c.messagesLoaded.set(true);
2253                }
2254                if (account.getXmppConnection() != null
2255                        && !c.getContact().isBlocked()
2256                        && account.getXmppConnection().getFeatures().mam()
2257                        && !muc) {
2258                    if (query == null) {
2259                        mMessageArchiveService.query(c);
2260                    } else {
2261                        if (query.getConversation() == null) {
2262                            mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
2263                        }
2264                    }
2265                }
2266                if (joinAfterCreate) {
2267                    joinMuc(c);
2268                }
2269            };
2270            if (async) {
2271                mDatabaseReaderExecutor.execute(runnable);
2272            } else {
2273                runnable.run();
2274            }
2275            this.conversations.add(conversation);
2276            updateConversationUi();
2277            return conversation;
2278        }
2279    }
2280
2281    public void archiveConversation(Conversation conversation) {
2282        archiveConversation(conversation, true);
2283    }
2284
2285    private void archiveConversation(Conversation conversation, final boolean maySynchronizeWithBookmarks) {
2286        getNotificationService().clear(conversation);
2287        conversation.setStatus(Conversation.STATUS_ARCHIVED);
2288        conversation.setNextMessage(null);
2289        synchronized (this.conversations) {
2290            getMessageArchiveService().kill(conversation);
2291            if (conversation.getMode() == Conversation.MODE_MULTI) {
2292                if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2293                    final Bookmark bookmark = conversation.getBookmark();
2294                    if (maySynchronizeWithBookmarks && bookmark != null && synchronizeWithBookmarks()) {
2295                        if (conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2296                            Account account = bookmark.getAccount();
2297                            bookmark.setConversation(null);
2298                            deleteBookmark(account, bookmark);
2299                        } else if (bookmark.autojoin()) {
2300                            bookmark.setAutojoin(false);
2301                            createBookmark(bookmark.getAccount(), bookmark);
2302                        }
2303                    }
2304                }
2305                leaveMuc(conversation);
2306            } else {
2307                if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2308                    stopPresenceUpdatesTo(conversation.getContact());
2309                }
2310            }
2311            updateConversation(conversation);
2312            this.conversations.remove(conversation);
2313            updateConversationUi();
2314        }
2315    }
2316
2317    public void stopPresenceUpdatesTo(Contact contact) {
2318        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
2319        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
2320        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2321    }
2322
2323    public void createAccount(final Account account) {
2324        account.initAccountServices(this);
2325        databaseBackend.createAccount(account);
2326        this.accounts.add(account);
2327        this.reconnectAccountInBackground(account);
2328        updateAccountUi();
2329        syncEnabledAccountSetting();
2330        toggleForegroundService();
2331    }
2332
2333    private void syncEnabledAccountSetting() {
2334        final boolean hasEnabledAccounts = hasEnabledAccounts();
2335        getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
2336        toggleSetProfilePictureActivity(hasEnabledAccounts);
2337    }
2338
2339    private void toggleSetProfilePictureActivity(final boolean enabled) {
2340        try {
2341            final ComponentName name = new ComponentName(this, ChooseAccountForProfilePictureActivity.class);
2342            final int targetState = enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
2343            getPackageManager().setComponentEnabledSetting(name, targetState, PackageManager.DONT_KILL_APP);
2344        } catch (IllegalStateException e) {
2345            Log.d(Config.LOGTAG, "unable to toggle profile picture actvitiy");
2346        }
2347    }
2348
2349    private void provisionAccount(final String address, final String password) {
2350        final Jid jid = Jid.ofEscaped(address);
2351        final Account account = new Account(jid, password);
2352        account.setOption(Account.OPTION_DISABLED, true);
2353        Log.d(Config.LOGTAG, jid.asBareJid().toEscapedString() + ": provisioning account");
2354        createAccount(account);
2355    }
2356
2357    public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
2358        new Thread(() -> {
2359            try {
2360                final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
2361                final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
2362                if (cert == null) {
2363                    callback.informUser(R.string.unable_to_parse_certificate);
2364                    return;
2365                }
2366                Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
2367                if (info == null) {
2368                    callback.informUser(R.string.certificate_does_not_contain_jid);
2369                    return;
2370                }
2371                if (findAccountByJid(info.first) == null) {
2372                    final Account account = new Account(info.first, "");
2373                    account.setPrivateKeyAlias(alias);
2374                    account.setOption(Account.OPTION_DISABLED, true);
2375                    account.setOption(Account.OPTION_FIXED_USERNAME, true);
2376                    account.setDisplayName(info.second);
2377                    createAccount(account);
2378                    callback.onAccountCreated(account);
2379                    if (Config.X509_VERIFICATION) {
2380                        try {
2381                            getMemorizingTrustManager().getNonInteractive(account.getServer()).checkClientTrusted(chain, "RSA");
2382                        } catch (CertificateException e) {
2383                            callback.informUser(R.string.certificate_chain_is_not_trusted);
2384                        }
2385                    }
2386                } else {
2387                    callback.informUser(R.string.account_already_exists);
2388                }
2389            } catch (Exception e) {
2390                callback.informUser(R.string.unable_to_parse_certificate);
2391            }
2392        }).start();
2393
2394    }
2395
2396    public void updateKeyInAccount(final Account account, final String alias) {
2397        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
2398        try {
2399            X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
2400            Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
2401            Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
2402            if (info == null) {
2403                showErrorToastInUi(R.string.certificate_does_not_contain_jid);
2404                return;
2405            }
2406            if (account.getJid().asBareJid().equals(info.first)) {
2407                account.setPrivateKeyAlias(alias);
2408                account.setDisplayName(info.second);
2409                databaseBackend.updateAccount(account);
2410                if (Config.X509_VERIFICATION) {
2411                    try {
2412                        getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
2413                    } catch (CertificateException e) {
2414                        showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
2415                    }
2416                    account.getAxolotlService().regenerateKeys(true);
2417                }
2418            } else {
2419                showErrorToastInUi(R.string.jid_does_not_match_certificate);
2420            }
2421        } catch (Exception e) {
2422            e.printStackTrace();
2423        }
2424    }
2425
2426    public boolean updateAccount(final Account account) {
2427        if (databaseBackend.updateAccount(account)) {
2428            account.setShowErrorNotification(true);
2429            this.statusListener.onStatusChanged(account);
2430            databaseBackend.updateAccount(account);
2431            reconnectAccountInBackground(account);
2432            updateAccountUi();
2433            getNotificationService().updateErrorNotification();
2434            toggleForegroundService();
2435            syncEnabledAccountSetting();
2436            mChannelDiscoveryService.cleanCache();
2437            return true;
2438        } else {
2439            return false;
2440        }
2441    }
2442
2443    public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
2444        final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
2445        sendIqPacket(account, iq, (a, packet) -> {
2446            if (packet.getType() == IqPacket.TYPE.RESULT) {
2447                a.setPassword(newPassword);
2448                a.setOption(Account.OPTION_MAGIC_CREATE, false);
2449                databaseBackend.updateAccount(a);
2450                callback.onPasswordChangeSucceeded();
2451            } else {
2452                callback.onPasswordChangeFailed();
2453            }
2454        });
2455    }
2456
2457    public void deleteAccount(final Account account) {
2458        final boolean connected = account.getStatus() == Account.State.ONLINE;
2459        synchronized (this.conversations) {
2460            if (connected) {
2461                account.getAxolotlService().deleteOmemoIdentity();
2462            }
2463            for (final Conversation conversation : conversations) {
2464                if (conversation.getAccount() == account) {
2465                    if (conversation.getMode() == Conversation.MODE_MULTI) {
2466                        if (connected) {
2467                            leaveMuc(conversation);
2468                        }
2469                    }
2470                    conversations.remove(conversation);
2471                    mNotificationService.clear(conversation);
2472                }
2473            }
2474            if (account.getXmppConnection() != null) {
2475                new Thread(() -> disconnect(account, !connected)).start();
2476            }
2477            final Runnable runnable = () -> {
2478                if (!databaseBackend.deleteAccount(account)) {
2479                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2480                }
2481            };
2482            mDatabaseWriterExecutor.execute(runnable);
2483            this.accounts.remove(account);
2484            this.mRosterSyncTaskManager.clear(account);
2485            updateAccountUi();
2486            mNotificationService.updateErrorNotification();
2487            syncEnabledAccountSetting();
2488            toggleForegroundService();
2489        }
2490    }
2491
2492    public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2493        final boolean remainingListeners;
2494        synchronized (LISTENER_LOCK) {
2495            remainingListeners = checkListeners();
2496            if (!this.mOnConversationUpdates.add(listener)) {
2497                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as ConversationListChangedListener");
2498            }
2499            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2500        }
2501        if (remainingListeners) {
2502            switchToForeground();
2503        }
2504    }
2505
2506    public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2507        final boolean remainingListeners;
2508        synchronized (LISTENER_LOCK) {
2509            this.mOnConversationUpdates.remove(listener);
2510            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2511            remainingListeners = checkListeners();
2512        }
2513        if (remainingListeners) {
2514            switchToBackground();
2515        }
2516    }
2517
2518    public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2519        final boolean remainingListeners;
2520        synchronized (LISTENER_LOCK) {
2521            remainingListeners = checkListeners();
2522            if (!this.mOnShowErrorToasts.add(listener)) {
2523                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnShowErrorToastListener");
2524            }
2525        }
2526        if (remainingListeners) {
2527            switchToForeground();
2528        }
2529    }
2530
2531    public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2532        final boolean remainingListeners;
2533        synchronized (LISTENER_LOCK) {
2534            this.mOnShowErrorToasts.remove(onShowErrorToast);
2535            remainingListeners = checkListeners();
2536        }
2537        if (remainingListeners) {
2538            switchToBackground();
2539        }
2540    }
2541
2542    public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2543        final boolean remainingListeners;
2544        synchronized (LISTENER_LOCK) {
2545            remainingListeners = checkListeners();
2546            if (!this.mOnAccountUpdates.add(listener)) {
2547                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnAccountListChangedtListener");
2548            }
2549        }
2550        if (remainingListeners) {
2551            switchToForeground();
2552        }
2553    }
2554
2555    public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2556        final boolean remainingListeners;
2557        synchronized (LISTENER_LOCK) {
2558            this.mOnAccountUpdates.remove(listener);
2559            remainingListeners = checkListeners();
2560        }
2561        if (remainingListeners) {
2562            switchToBackground();
2563        }
2564    }
2565
2566    public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2567        final boolean remainingListeners;
2568        synchronized (LISTENER_LOCK) {
2569            remainingListeners = checkListeners();
2570            if (!this.mOnCaptchaRequested.add(listener)) {
2571                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnCaptchaRequestListener");
2572            }
2573        }
2574        if (remainingListeners) {
2575            switchToForeground();
2576        }
2577    }
2578
2579    public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2580        final boolean remainingListeners;
2581        synchronized (LISTENER_LOCK) {
2582            this.mOnCaptchaRequested.remove(listener);
2583            remainingListeners = checkListeners();
2584        }
2585        if (remainingListeners) {
2586            switchToBackground();
2587        }
2588    }
2589
2590    public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2591        final boolean remainingListeners;
2592        synchronized (LISTENER_LOCK) {
2593            remainingListeners = checkListeners();
2594            if (!this.mOnRosterUpdates.add(listener)) {
2595                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnRosterUpdateListener");
2596            }
2597        }
2598        if (remainingListeners) {
2599            switchToForeground();
2600        }
2601    }
2602
2603    public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2604        final boolean remainingListeners;
2605        synchronized (LISTENER_LOCK) {
2606            this.mOnRosterUpdates.remove(listener);
2607            remainingListeners = checkListeners();
2608        }
2609        if (remainingListeners) {
2610            switchToBackground();
2611        }
2612    }
2613
2614    public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2615        final boolean remainingListeners;
2616        synchronized (LISTENER_LOCK) {
2617            remainingListeners = checkListeners();
2618            if (!this.mOnUpdateBlocklist.add(listener)) {
2619                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnUpdateBlocklistListener");
2620            }
2621        }
2622        if (remainingListeners) {
2623            switchToForeground();
2624        }
2625    }
2626
2627    public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2628        final boolean remainingListeners;
2629        synchronized (LISTENER_LOCK) {
2630            this.mOnUpdateBlocklist.remove(listener);
2631            remainingListeners = checkListeners();
2632        }
2633        if (remainingListeners) {
2634            switchToBackground();
2635        }
2636    }
2637
2638    public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2639        final boolean remainingListeners;
2640        synchronized (LISTENER_LOCK) {
2641            remainingListeners = checkListeners();
2642            if (!this.mOnKeyStatusUpdated.add(listener)) {
2643                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnKeyStatusUpdateListener");
2644            }
2645        }
2646        if (remainingListeners) {
2647            switchToForeground();
2648        }
2649    }
2650
2651    public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2652        final boolean remainingListeners;
2653        synchronized (LISTENER_LOCK) {
2654            this.mOnKeyStatusUpdated.remove(listener);
2655            remainingListeners = checkListeners();
2656        }
2657        if (remainingListeners) {
2658            switchToBackground();
2659        }
2660    }
2661
2662    public void setOnRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2663        final boolean remainingListeners;
2664        synchronized (LISTENER_LOCK) {
2665            remainingListeners = checkListeners();
2666            if (!this.onJingleRtpConnectionUpdate.add(listener)) {
2667                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnJingleRtpConnectionUpdate");
2668            }
2669        }
2670        if (remainingListeners) {
2671            switchToForeground();
2672        }
2673    }
2674
2675    public void removeRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2676        final boolean remainingListeners;
2677        synchronized (LISTENER_LOCK) {
2678            this.onJingleRtpConnectionUpdate.remove(listener);
2679            remainingListeners = checkListeners();
2680        }
2681        if (remainingListeners) {
2682            switchToBackground();
2683        }
2684    }
2685
2686    public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2687        final boolean remainingListeners;
2688        synchronized (LISTENER_LOCK) {
2689            remainingListeners = checkListeners();
2690            if (!this.mOnMucRosterUpdate.add(listener)) {
2691                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnMucRosterListener");
2692            }
2693        }
2694        if (remainingListeners) {
2695            switchToForeground();
2696        }
2697    }
2698
2699    public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2700        final boolean remainingListeners;
2701        synchronized (LISTENER_LOCK) {
2702            this.mOnMucRosterUpdate.remove(listener);
2703            remainingListeners = checkListeners();
2704        }
2705        if (remainingListeners) {
2706            switchToBackground();
2707        }
2708    }
2709
2710    public boolean checkListeners() {
2711        return (this.mOnAccountUpdates.size() == 0
2712                && this.mOnConversationUpdates.size() == 0
2713                && this.mOnRosterUpdates.size() == 0
2714                && this.mOnCaptchaRequested.size() == 0
2715                && this.mOnMucRosterUpdate.size() == 0
2716                && this.mOnUpdateBlocklist.size() == 0
2717                && this.mOnShowErrorToasts.size() == 0
2718                && this.onJingleRtpConnectionUpdate.size() == 0
2719                && this.mOnKeyStatusUpdated.size() == 0);
2720    }
2721
2722    private void switchToForeground() {
2723        final boolean broadcastLastActivity = broadcastLastActivity();
2724        for (Conversation conversation : getConversations()) {
2725            if (conversation.getMode() == Conversation.MODE_MULTI) {
2726                conversation.getMucOptions().resetChatState();
2727            } else {
2728                conversation.setIncomingChatState(Config.DEFAULT_CHAT_STATE);
2729            }
2730        }
2731        for (Account account : getAccounts()) {
2732            if (account.getStatus() == Account.State.ONLINE) {
2733                account.deactivateGracePeriod();
2734                final XmppConnection connection = account.getXmppConnection();
2735                if (connection != null) {
2736                    if (connection.getFeatures().csi()) {
2737                        connection.sendActive();
2738                    }
2739                    if (broadcastLastActivity) {
2740                        sendPresence(account, false); //send new presence but don't include idle because we are not
2741                    }
2742                }
2743            }
2744        }
2745        Log.d(Config.LOGTAG, "app switched into foreground");
2746    }
2747
2748    private void switchToBackground() {
2749        final boolean broadcastLastActivity = broadcastLastActivity();
2750        if (broadcastLastActivity) {
2751            mLastActivity = System.currentTimeMillis();
2752            final SharedPreferences.Editor editor = getPreferences().edit();
2753            editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2754            editor.apply();
2755        }
2756        for (Account account : getAccounts()) {
2757            if (account.getStatus() == Account.State.ONLINE) {
2758                XmppConnection connection = account.getXmppConnection();
2759                if (connection != null) {
2760                    if (broadcastLastActivity) {
2761                        sendPresence(account, true);
2762                    }
2763                    if (connection.getFeatures().csi()) {
2764                        connection.sendInactive();
2765                    }
2766                }
2767            }
2768        }
2769        this.mNotificationService.setIsInForeground(false);
2770        Log.d(Config.LOGTAG, "app switched into background");
2771    }
2772
2773    private void connectMultiModeConversations(Account account) {
2774        List<Conversation> conversations = getConversations();
2775        for (Conversation conversation : conversations) {
2776            if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2777                joinMuc(conversation);
2778            }
2779        }
2780    }
2781
2782    public void mucSelfPingAndRejoin(final Conversation conversation) {
2783        final Account account = conversation.getAccount();
2784        synchronized (account.inProgressConferenceJoins) {
2785            if (account.inProgressConferenceJoins.contains(conversation)) {
2786                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because join is already under way");
2787                return;
2788            }
2789        }
2790        synchronized (account.inProgressConferencePings) {
2791            if (!account.inProgressConferencePings.add(conversation)) {
2792                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because ping is already under way");
2793                return;
2794            }
2795        }
2796        final Jid self = conversation.getMucOptions().getSelf().getFullJid();
2797        final IqPacket ping = new IqPacket(IqPacket.TYPE.GET);
2798        ping.setTo(self);
2799        ping.addChild("ping", Namespace.PING);
2800        sendIqPacket(conversation.getAccount(), ping, (a, response) -> {
2801            if (response.getType() == IqPacket.TYPE.ERROR) {
2802                Element error = response.findChild("error");
2803                if (error == null || error.hasChild("service-unavailable") || error.hasChild("feature-not-implemented") || error.hasChild("item-not-found")) {
2804                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back as ignorable error");
2805                } else {
2806                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " failed. attempting rejoin");
2807                    joinMuc(conversation);
2808                }
2809            } else if (response.getType() == IqPacket.TYPE.RESULT) {
2810                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back fine");
2811            }
2812            synchronized (account.inProgressConferencePings) {
2813                account.inProgressConferencePings.remove(conversation);
2814            }
2815        });
2816    }
2817
2818    public void joinMuc(Conversation conversation) {
2819        joinMuc(conversation, null, false);
2820    }
2821
2822    public void joinMuc(Conversation conversation, boolean followedInvite) {
2823        joinMuc(conversation, null, followedInvite);
2824    }
2825
2826    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2827        joinMuc(conversation, onConferenceJoined, false);
2828    }
2829
2830    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2831        final Account account = conversation.getAccount();
2832        synchronized (account.pendingConferenceJoins) {
2833            account.pendingConferenceJoins.remove(conversation);
2834        }
2835        synchronized (account.pendingConferenceLeaves) {
2836            account.pendingConferenceLeaves.remove(conversation);
2837        }
2838        if (account.getStatus() == Account.State.ONLINE) {
2839            synchronized (account.inProgressConferenceJoins) {
2840                account.inProgressConferenceJoins.add(conversation);
2841            }
2842            if (Config.MUC_LEAVE_BEFORE_JOIN) {
2843                sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2844            }
2845            conversation.resetMucOptions();
2846            if (onConferenceJoined != null) {
2847                conversation.getMucOptions().flagNoAutoPushConfiguration();
2848            }
2849            conversation.setHasMessagesLeftOnServer(false);
2850            fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2851
2852                private void join(Conversation conversation) {
2853                    Account account = conversation.getAccount();
2854                    final MucOptions mucOptions = conversation.getMucOptions();
2855
2856                    if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
2857                        synchronized (account.inProgressConferenceJoins) {
2858                            account.inProgressConferenceJoins.remove(conversation);
2859                        }
2860                        mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
2861                        updateConversationUi();
2862                        if (onConferenceJoined != null) {
2863                            onConferenceJoined.onConferenceJoined(conversation);
2864                        }
2865                        return;
2866                    }
2867
2868                    final Jid joinJid = mucOptions.getSelf().getFullJid();
2869                    Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2870                    PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2871                    packet.setTo(joinJid);
2872                    Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2873                    if (conversation.getMucOptions().getPassword() != null) {
2874                        x.addChild("password").setContent(mucOptions.getPassword());
2875                    }
2876
2877                    if (mucOptions.mamSupport()) {
2878                        // Use MAM instead of the limited muc history to get history
2879                        x.addChild("history").setAttribute("maxchars", "0");
2880                    } else {
2881                        // Fallback to muc history
2882                        x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2883                    }
2884                    sendPresencePacket(account, packet);
2885                    if (onConferenceJoined != null) {
2886                        onConferenceJoined.onConferenceJoined(conversation);
2887                    }
2888                    if (!joinJid.equals(conversation.getJid())) {
2889                        conversation.setContactJid(joinJid);
2890                        databaseBackend.updateConversation(conversation);
2891                    }
2892
2893                    if (mucOptions.mamSupport()) {
2894                        getMessageArchiveService().catchupMUC(conversation);
2895                    }
2896                    if (mucOptions.isPrivateAndNonAnonymous()) {
2897                        fetchConferenceMembers(conversation);
2898
2899                        if (followedInvite) {
2900                            final Bookmark bookmark = conversation.getBookmark();
2901                            if (bookmark != null) {
2902                                if (!bookmark.autojoin()) {
2903                                    bookmark.setAutojoin(true);
2904                                    createBookmark(account, bookmark);
2905                                }
2906                            } else {
2907                                saveConversationAsBookmark(conversation, null);
2908                            }
2909                        }
2910                    }
2911                    synchronized (account.inProgressConferenceJoins) {
2912                        account.inProgressConferenceJoins.remove(conversation);
2913                        sendUnsentMessages(conversation);
2914                    }
2915                }
2916
2917                @Override
2918                public void onConferenceConfigurationFetched(Conversation conversation) {
2919                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2920                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
2921                        return;
2922                    }
2923                    join(conversation);
2924                }
2925
2926                @Override
2927                public void onFetchFailed(final Conversation conversation, final String errorCondition) {
2928                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
2929                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
2930                        return;
2931                    }
2932                    if ("remote-server-not-found".equals(errorCondition)) {
2933                        synchronized (account.inProgressConferenceJoins) {
2934                            account.inProgressConferenceJoins.remove(conversation);
2935                        }
2936                        conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2937                        updateConversationUi();
2938                    } else {
2939                        join(conversation);
2940                        fetchConferenceConfiguration(conversation);
2941                    }
2942                }
2943            });
2944            updateConversationUi();
2945        } else {
2946            synchronized (account.pendingConferenceJoins) {
2947                account.pendingConferenceJoins.add(conversation);
2948            }
2949            conversation.resetMucOptions();
2950            conversation.setHasMessagesLeftOnServer(false);
2951            updateConversationUi();
2952        }
2953    }
2954
2955    private void fetchConferenceMembers(final Conversation conversation) {
2956        final Account account = conversation.getAccount();
2957        final AxolotlService axolotlService = account.getAxolotlService();
2958        final String[] affiliations = {"member", "admin", "owner"};
2959        OnIqPacketReceived callback = new OnIqPacketReceived() {
2960
2961            private int i = 0;
2962            private boolean success = true;
2963
2964            @Override
2965            public void onIqPacketReceived(Account account, IqPacket packet) {
2966                final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2967                Element query = packet.query("http://jabber.org/protocol/muc#admin");
2968                if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2969                    for (Element child : query.getChildren()) {
2970                        if ("item".equals(child.getName())) {
2971                            MucOptions.User user = AbstractParser.parseItem(conversation, child);
2972                            if (!user.realJidMatchesAccount()) {
2973                                boolean isNew = conversation.getMucOptions().updateUser(user);
2974                                Contact contact = user.getContact();
2975                                if (omemoEnabled
2976                                        && isNew
2977                                        && user.getRealJid() != null
2978                                        && (contact == null || !contact.mutualPresenceSubscription())
2979                                        && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2980                                    axolotlService.fetchDeviceIds(user.getRealJid());
2981                                }
2982                            }
2983                        }
2984                    }
2985                } else {
2986                    success = false;
2987                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2988                }
2989                ++i;
2990                if (i >= affiliations.length) {
2991                    List<Jid> members = conversation.getMucOptions().getMembers(true);
2992                    if (success) {
2993                        List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2994                        boolean changed = false;
2995                        for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2996                            Jid jid = iterator.next();
2997                            if (!members.contains(jid) && !members.contains(jid.getDomain())) {
2998                                iterator.remove();
2999                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
3000                                changed = true;
3001                            }
3002                        }
3003                        if (changed) {
3004                            conversation.setAcceptedCryptoTargets(cryptoTargets);
3005                            updateConversation(conversation);
3006                        }
3007                    }
3008                    getAvatarService().clear(conversation);
3009                    updateMucRosterUi();
3010                    updateConversationUi();
3011                }
3012            }
3013        };
3014        for (String affiliation : affiliations) {
3015            sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
3016        }
3017        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
3018    }
3019
3020    public void providePasswordForMuc(Conversation conversation, String password) {
3021        if (conversation.getMode() == Conversation.MODE_MULTI) {
3022            conversation.getMucOptions().setPassword(password);
3023            if (conversation.getBookmark() != null) {
3024                final Bookmark bookmark = conversation.getBookmark();
3025                if (synchronizeWithBookmarks()) {
3026                    bookmark.setAutojoin(true);
3027                }
3028                createBookmark(conversation.getAccount(), bookmark);
3029            }
3030            updateConversation(conversation);
3031            joinMuc(conversation);
3032        }
3033    }
3034
3035    private boolean hasEnabledAccounts() {
3036        if (this.accounts == null) {
3037            return false;
3038        }
3039        for (Account account : this.accounts) {
3040            if (account.isEnabled()) {
3041                return true;
3042            }
3043        }
3044        return false;
3045    }
3046
3047
3048    public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
3049        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
3050    }
3051
3052    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3053        getAttachments(account.getUuid(), jid.asBareJid(), limit, onMediaLoaded);
3054    }
3055
3056
3057    public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3058        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
3059    }
3060
3061    public void persistSelfNick(MucOptions.User self) {
3062        final Conversation conversation = self.getConversation();
3063        final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
3064        Jid full = self.getFullJid();
3065        if (!full.equals(conversation.getJid())) {
3066            Log.d(Config.LOGTAG, "nick changed. updating");
3067            conversation.setContactJid(full);
3068            databaseBackend.updateConversation(conversation);
3069        }
3070
3071        final Bookmark bookmark = conversation.getBookmark();
3072        final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
3073        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
3074            final Account account = conversation.getAccount();
3075            final String defaultNick = MucOptions.defaultNick(account);
3076            if (TextUtils.isEmpty(bookmarkedNick) && full.getResource().equals(defaultNick)) {
3077                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": do not overwrite empty bookmark nick with default nick for " + conversation.getJid().asBareJid());
3078                return;
3079            }
3080            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
3081            bookmark.setNick(full.getResource());
3082            createBookmark(bookmark.getAccount(), bookmark);
3083        }
3084    }
3085
3086    public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
3087        final MucOptions options = conversation.getMucOptions();
3088        final Jid joinJid = options.createJoinJid(nick);
3089        if (joinJid == null) {
3090            return false;
3091        }
3092        if (options.online()) {
3093            Account account = conversation.getAccount();
3094            options.setOnRenameListener(new OnRenameListener() {
3095
3096                @Override
3097                public void onSuccess() {
3098                    callback.success(conversation);
3099                }
3100
3101                @Override
3102                public void onFailure() {
3103                    callback.error(R.string.nick_in_use, conversation);
3104                }
3105            });
3106
3107            final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous());
3108            packet.setTo(joinJid);
3109            sendPresencePacket(account, packet);
3110        } else {
3111            conversation.setContactJid(joinJid);
3112            databaseBackend.updateConversation(conversation);
3113            if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
3114                Bookmark bookmark = conversation.getBookmark();
3115                if (bookmark != null) {
3116                    bookmark.setNick(nick);
3117                    createBookmark(bookmark.getAccount(), bookmark);
3118                }
3119                joinMuc(conversation);
3120            }
3121        }
3122        return true;
3123    }
3124
3125    public void leaveMuc(Conversation conversation) {
3126        leaveMuc(conversation, false);
3127    }
3128
3129    private void leaveMuc(Conversation conversation, boolean now) {
3130        final Account account = conversation.getAccount();
3131        synchronized (account.pendingConferenceJoins) {
3132            account.pendingConferenceJoins.remove(conversation);
3133        }
3134        synchronized (account.pendingConferenceLeaves) {
3135            account.pendingConferenceLeaves.remove(conversation);
3136        }
3137        if (account.getStatus() == Account.State.ONLINE || now) {
3138            sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
3139            conversation.getMucOptions().setOffline();
3140            Bookmark bookmark = conversation.getBookmark();
3141            if (bookmark != null) {
3142                bookmark.setConversation(null);
3143            }
3144            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
3145        } else {
3146            synchronized (account.pendingConferenceLeaves) {
3147                account.pendingConferenceLeaves.add(conversation);
3148            }
3149        }
3150    }
3151
3152    public String findConferenceServer(final Account account) {
3153        String server;
3154        if (account.getXmppConnection() != null) {
3155            server = account.getXmppConnection().getMucServer();
3156            if (server != null) {
3157                return server;
3158            }
3159        }
3160        for (Account other : getAccounts()) {
3161            if (other != account && other.getXmppConnection() != null) {
3162                server = other.getXmppConnection().getMucServer();
3163                if (server != null) {
3164                    return server;
3165                }
3166            }
3167        }
3168        return null;
3169    }
3170
3171
3172    public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
3173        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
3174            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
3175            if (!TextUtils.isEmpty(name)) {
3176                configuration.putString("muc#roomconfig_roomname", name);
3177            }
3178            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3179                @Override
3180                public void onPushSucceeded() {
3181                    saveConversationAsBookmark(conversation, name);
3182                    callback.success(conversation);
3183                }
3184
3185                @Override
3186                public void onPushFailed() {
3187                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
3188                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
3189                    } else {
3190                        callback.error(R.string.joined_an_existing_channel, conversation);
3191                    }
3192                }
3193            });
3194        });
3195    }
3196
3197    public boolean createAdhocConference(final Account account,
3198                                         final String name,
3199                                         final Iterable<Jid> jids,
3200                                         final UiCallback<Conversation> callback) {
3201        Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
3202        if (account.getStatus() == Account.State.ONLINE) {
3203            try {
3204                String server = findConferenceServer(account);
3205                if (server == null) {
3206                    if (callback != null) {
3207                        callback.error(R.string.no_conference_server_found, null);
3208                    }
3209                    return false;
3210                }
3211                final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
3212                final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
3213                joinMuc(conversation, new OnConferenceJoined() {
3214                    @Override
3215                    public void onConferenceJoined(final Conversation conversation) {
3216                        final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
3217                        if (!TextUtils.isEmpty(name)) {
3218                            configuration.putString("muc#roomconfig_roomname", name);
3219                        }
3220                        pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3221                            @Override
3222                            public void onPushSucceeded() {
3223                                for (Jid invite : jids) {
3224                                    invite(conversation, invite);
3225                                }
3226                                for (String resource : account.getSelfContact().getPresences().toResourceArray()) {
3227                                    Jid other = account.getJid().withResource(resource);
3228                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending direct invite to " + other);
3229                                    directInvite(conversation, other);
3230                                }
3231                                saveConversationAsBookmark(conversation, name);
3232                                if (callback != null) {
3233                                    callback.success(conversation);
3234                                }
3235                            }
3236
3237                            @Override
3238                            public void onPushFailed() {
3239                                archiveConversation(conversation);
3240                                if (callback != null) {
3241                                    callback.error(R.string.conference_creation_failed, conversation);
3242                                }
3243                            }
3244                        });
3245                    }
3246                });
3247                return true;
3248            } catch (IllegalArgumentException e) {
3249                if (callback != null) {
3250                    callback.error(R.string.conference_creation_failed, null);
3251                }
3252                return false;
3253            }
3254        } else {
3255            if (callback != null) {
3256                callback.error(R.string.not_connected_try_again, null);
3257            }
3258            return false;
3259        }
3260    }
3261
3262    public void fetchConferenceConfiguration(final Conversation conversation) {
3263        fetchConferenceConfiguration(conversation, null);
3264    }
3265
3266    public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
3267        IqPacket request = mIqGenerator.queryDiscoInfo(conversation.getJid().asBareJid());
3268        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3269            @Override
3270            public void onIqPacketReceived(Account account, IqPacket packet) {
3271                if (packet.getType() == IqPacket.TYPE.RESULT) {
3272                    final MucOptions mucOptions = conversation.getMucOptions();
3273                    final Bookmark bookmark = conversation.getBookmark();
3274                    final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
3275
3276                    if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
3277                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
3278                        updateConversation(conversation);
3279                    }
3280
3281                    if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
3282                        if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
3283                            createBookmark(account, bookmark);
3284                        }
3285                    }
3286
3287
3288                    if (callback != null) {
3289                        callback.onConferenceConfigurationFetched(conversation);
3290                    }
3291
3292
3293                    updateConversationUi();
3294                } else if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
3295                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received timeout waiting for conference configuration fetch");
3296                } else {
3297                    if (callback != null) {
3298                        callback.onFetchFailed(conversation, packet.getErrorCondition());
3299                    }
3300                }
3301            }
3302        });
3303    }
3304
3305    public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3306        pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3307    }
3308
3309    public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3310        Log.d(Config.LOGTAG, "pushing node configuration");
3311        sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3312            @Override
3313            public void onIqPacketReceived(Account account, IqPacket packet) {
3314                if (packet.getType() == IqPacket.TYPE.RESULT) {
3315                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3316                    Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3317                    Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3318                    if (x != null) {
3319                        Data data = Data.parse(x);
3320                        data.submit(options);
3321                        sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3322                            @Override
3323                            public void onIqPacketReceived(Account account, IqPacket packet) {
3324                                if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3325                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": successfully changed node configuration for node " + node);
3326                                    callback.onPushSucceeded();
3327                                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3328                                    callback.onPushFailed();
3329                                }
3330                            }
3331                        });
3332                    } else if (callback != null) {
3333                        callback.onPushFailed();
3334                    }
3335                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3336                    callback.onPushFailed();
3337                }
3338            }
3339        });
3340    }
3341
3342    public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3343        if (options.getString("muc#roomconfig_whois", "moderators").equals("anyone")) {
3344            conversation.setAttribute("accept_non_anonymous", true);
3345            updateConversation(conversation);
3346        }
3347        if (options.containsKey("muc#roomconfig_moderatedroom")) {
3348            final boolean moderated = "1".equals(options.getString("muc#roomconfig_moderatedroom"));
3349            options.putString("members_by_default", moderated ? "0" : "1");
3350        }
3351        final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3352        request.setTo(conversation.getJid().asBareJid());
3353        request.query("http://jabber.org/protocol/muc#owner");
3354        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3355            @Override
3356            public void onIqPacketReceived(Account account, IqPacket packet) {
3357                if (packet.getType() == IqPacket.TYPE.RESULT) {
3358                    final Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3359                    data.submit(options);
3360                    final IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3361                    set.setTo(conversation.getJid().asBareJid());
3362                    set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3363                    sendIqPacket(account, set, new OnIqPacketReceived() {
3364                        @Override
3365                        public void onIqPacketReceived(Account account, IqPacket packet) {
3366                            if (callback != null) {
3367                                if (packet.getType() == IqPacket.TYPE.RESULT) {
3368                                    callback.onPushSucceeded();
3369                                } else {
3370                                    callback.onPushFailed();
3371                                }
3372                            }
3373                        }
3374                    });
3375                } else {
3376                    if (callback != null) {
3377                        callback.onPushFailed();
3378                    }
3379                }
3380            }
3381        });
3382    }
3383
3384    public void pushSubjectToConference(final Conversation conference, final String subject) {
3385        MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3386        this.sendMessagePacket(conference.getAccount(), packet);
3387    }
3388
3389    public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3390        final Jid jid = user.asBareJid();
3391        final IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3392        sendIqPacket(conference.getAccount(), request, (account, response) -> {
3393            if (response.getType() == IqPacket.TYPE.RESULT) {
3394                conference.getMucOptions().changeAffiliation(jid, affiliation);
3395                getAvatarService().clear(conference);
3396                if (callback != null) {
3397                    callback.onAffiliationChangedSuccessful(jid);
3398                } else {
3399                    Log.d(Config.LOGTAG, "changed affiliation of " + user + " to " + affiliation);
3400                }
3401            } else if (callback != null) {
3402                callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3403            } else {
3404                Log.d(Config.LOGTAG, "unable to change affiliation");
3405            }
3406        });
3407    }
3408
3409    public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3410        IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3411        sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3412            if (packet.getType() != IqPacket.TYPE.RESULT) {
3413                Log.d(Config.LOGTAG, account.getJid().asBareJid() + " unable to change role of " + nick);
3414            }
3415        });
3416    }
3417
3418    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3419        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3420        request.setTo(conversation.getJid().asBareJid());
3421        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3422        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3423            @Override
3424            public void onIqPacketReceived(Account account, IqPacket packet) {
3425                if (packet.getType() == IqPacket.TYPE.RESULT) {
3426                    if (callback != null) {
3427                        callback.onRoomDestroySucceeded();
3428                    }
3429                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3430                    if (callback != null) {
3431                        callback.onRoomDestroyFailed();
3432                    }
3433                }
3434            }
3435        });
3436    }
3437
3438    private void disconnect(Account account, boolean force) {
3439        if ((account.getStatus() == Account.State.ONLINE)
3440                || (account.getStatus() == Account.State.DISABLED)) {
3441            final XmppConnection connection = account.getXmppConnection();
3442            if (!force) {
3443                List<Conversation> conversations = getConversations();
3444                for (Conversation conversation : conversations) {
3445                    if (conversation.getAccount() == account) {
3446                        if (conversation.getMode() == Conversation.MODE_MULTI) {
3447                            leaveMuc(conversation, true);
3448                        }
3449                    }
3450                }
3451                sendOfflinePresence(account);
3452            }
3453            connection.disconnect(force);
3454        }
3455    }
3456
3457    @Override
3458    public IBinder onBind(Intent intent) {
3459        return mBinder;
3460    }
3461
3462    public void updateMessage(Message message) {
3463        updateMessage(message, true);
3464    }
3465
3466    public void updateMessage(Message message, boolean includeBody) {
3467        databaseBackend.updateMessage(message, includeBody);
3468        updateConversationUi();
3469    }
3470
3471    public void createMessageAsync(final Message message) {
3472        mDatabaseWriterExecutor.execute(() -> databaseBackend.createMessage(message));
3473    }
3474
3475    public void updateMessage(Message message, String uuid) {
3476        if (!databaseBackend.updateMessage(message, uuid)) {
3477            Log.e(Config.LOGTAG, "error updated message in DB after edit");
3478        }
3479        updateConversationUi();
3480    }
3481
3482    protected void syncDirtyContacts(Account account) {
3483        for (Contact contact : account.getRoster().getContacts()) {
3484            if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
3485                pushContactToServer(contact);
3486            }
3487            if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
3488                deleteContactOnServer(contact);
3489            }
3490        }
3491    }
3492
3493    protected void unregisterPhoneAccounts(final Account account) {
3494        for (final Contact contact : account.getRoster().getContacts()) {
3495            if (!contact.showInRoster()) {
3496                contact.unregisterAsPhoneAccount(this);
3497            }
3498        }
3499    }
3500
3501    public void createContact(final Contact contact, final boolean autoGrant) {
3502        createContact(contact, autoGrant, null);
3503    }
3504
3505    public void createContact(final Contact contact, final boolean autoGrant, final String preAuth) {
3506        if (autoGrant) {
3507            contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
3508            contact.setOption(Contact.Options.ASKING);
3509        }
3510        pushContactToServer(contact, preAuth);
3511    }
3512
3513    public void pushContactToServer(final Contact contact) {
3514        pushContactToServer(contact, null);
3515    }
3516
3517    private void pushContactToServer(final Contact contact, final String preAuth) {
3518        contact.resetOption(Contact.Options.DIRTY_DELETE);
3519        contact.setOption(Contact.Options.DIRTY_PUSH);
3520        final Account account = contact.getAccount();
3521        if (account.getStatus() == Account.State.ONLINE) {
3522            final boolean ask = contact.getOption(Contact.Options.ASKING);
3523            final boolean sendUpdates = contact
3524                    .getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
3525                    && contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
3526            final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3527            iq.query(Namespace.ROSTER).addChild(contact.asElement());
3528            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3529            if (sendUpdates) {
3530                sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
3531            }
3532            if (ask) {
3533                sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact, preAuth));
3534            }
3535        } else {
3536            syncRoster(contact.getAccount());
3537        }
3538    }
3539
3540    public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
3541        new Thread(() -> {
3542            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3543            final int size = Config.AVATAR_SIZE;
3544            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3545            if (avatar != null) {
3546                if (!getFileBackend().save(avatar)) {
3547                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3548                    return;
3549                }
3550                avatar.owner = conversation.getJid().asBareJid();
3551                publishMucAvatar(conversation, avatar, callback);
3552            } else {
3553                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3554            }
3555        }).start();
3556    }
3557
3558    public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
3559        new Thread(() -> {
3560            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3561            final int size = Config.AVATAR_SIZE;
3562            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3563            if (avatar != null) {
3564                if (!getFileBackend().save(avatar)) {
3565                    Log.d(Config.LOGTAG, "unable to save vcard");
3566                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3567                    return;
3568                }
3569                publishAvatar(account, avatar, callback);
3570            } else {
3571                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3572            }
3573        }).start();
3574
3575    }
3576
3577    private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
3578        final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
3579        sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
3580            boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
3581            if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
3582                Element vcard = response.findChild("vCard", "vcard-temp");
3583                if (vcard == null) {
3584                    vcard = new Element("vCard", "vcard-temp");
3585                }
3586                Element photo = vcard.findChild("PHOTO");
3587                if (photo == null) {
3588                    photo = vcard.addChild("PHOTO");
3589                }
3590                photo.clearChildren();
3591                photo.addChild("TYPE").setContent(avatar.type);
3592                photo.addChild("BINVAL").setContent(avatar.image);
3593                IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3594                publication.setTo(conversation.getJid().asBareJid());
3595                publication.addChild(vcard);
3596                sendIqPacket(account, publication, (a1, publicationResponse) -> {
3597                    if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3598                        callback.onAvatarPublicationSucceeded();
3599                    } else {
3600                        Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3601                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3602                    }
3603                });
3604            } else {
3605                Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
3606                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
3607            }
3608        });
3609    }
3610
3611    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
3612        final Bundle options;
3613        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
3614            options = PublishOptions.openAccess();
3615        } else {
3616            options = null;
3617        }
3618        publishAvatar(account, avatar, options, true, callback);
3619    }
3620
3621    public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3622        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": publishing avatar. options=" + options);
3623        IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
3624        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3625
3626            @Override
3627            public void onIqPacketReceived(Account account, IqPacket result) {
3628                if (result.getType() == IqPacket.TYPE.RESULT) {
3629                    publishAvatarMetadata(account, avatar, options, true, callback);
3630                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3631                    pushNodeConfiguration(account, "urn:xmpp:avatar:data", options, new OnConfigurationPushed() {
3632                        @Override
3633                        public void onPushSucceeded() {
3634                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar node");
3635                            publishAvatar(account, avatar, options, false, callback);
3636                        }
3637
3638                        @Override
3639                        public void onPushFailed() {
3640                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar node");
3641                            publishAvatar(account, avatar, null, false, callback);
3642                        }
3643                    });
3644                } else {
3645                    Element error = result.findChild("error");
3646                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3647                    if (callback != null) {
3648                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3649                    }
3650                }
3651            }
3652        });
3653    }
3654
3655    public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3656        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3657        sendIqPacket(account, packet, new OnIqPacketReceived() {
3658            @Override
3659            public void onIqPacketReceived(Account account, IqPacket result) {
3660                if (result.getType() == IqPacket.TYPE.RESULT) {
3661                    if (account.setAvatar(avatar.getFilename())) {
3662                        getAvatarService().clear(account);
3663                        databaseBackend.updateAccount(account);
3664                        notifyAccountAvatarHasChanged(account);
3665                    }
3666                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3667                    if (callback != null) {
3668                        callback.onAvatarPublicationSucceeded();
3669                    }
3670                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3671                    pushNodeConfiguration(account, "urn:xmpp:avatar:metadata", options, new OnConfigurationPushed() {
3672                        @Override
3673                        public void onPushSucceeded() {
3674                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar meta data node");
3675                            publishAvatarMetadata(account, avatar, options, false, callback);
3676                        }
3677
3678                        @Override
3679                        public void onPushFailed() {
3680                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar meta data node");
3681                            publishAvatarMetadata(account, avatar, null, false, callback);
3682                        }
3683                    });
3684                } else {
3685                    if (callback != null) {
3686                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3687                    }
3688                }
3689            }
3690        });
3691    }
3692
3693    public void republishAvatarIfNeeded(Account account) {
3694        if (account.getAxolotlService().isPepBroken()) {
3695            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3696            return;
3697        }
3698        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3699        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3700
3701            private Avatar parseAvatar(IqPacket packet) {
3702                Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3703                if (pubsub != null) {
3704                    Element items = pubsub.findChild("items");
3705                    if (items != null) {
3706                        return Avatar.parseMetadata(items);
3707                    }
3708                }
3709                return null;
3710            }
3711
3712            private boolean errorIsItemNotFound(IqPacket packet) {
3713                Element error = packet.findChild("error");
3714                return packet.getType() == IqPacket.TYPE.ERROR
3715                        && error != null
3716                        && error.hasChild("item-not-found");
3717            }
3718
3719            @Override
3720            public void onIqPacketReceived(Account account, IqPacket packet) {
3721                if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3722                    Avatar serverAvatar = parseAvatar(packet);
3723                    if (serverAvatar == null && account.getAvatar() != null) {
3724                        Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3725                        if (avatar != null) {
3726                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3727                            publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3728                        } else {
3729                            Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3730                        }
3731                    }
3732                }
3733            }
3734        });
3735    }
3736
3737    public void fetchAvatar(Account account, Avatar avatar) {
3738        fetchAvatar(account, avatar, null);
3739    }
3740
3741    public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3742        final String KEY = generateFetchKey(account, avatar);
3743        synchronized (this.mInProgressAvatarFetches) {
3744            if (mInProgressAvatarFetches.add(KEY)) {
3745                switch (avatar.origin) {
3746                    case PEP:
3747                        this.mInProgressAvatarFetches.add(KEY);
3748                        fetchAvatarPep(account, avatar, callback);
3749                        break;
3750                    case VCARD:
3751                        this.mInProgressAvatarFetches.add(KEY);
3752                        fetchAvatarVcard(account, avatar, callback);
3753                        break;
3754                }
3755            } else if (avatar.origin == Avatar.Origin.PEP) {
3756                mOmittedPepAvatarFetches.add(KEY);
3757            } else {
3758                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": already fetching " + avatar.origin + " avatar for " + avatar.owner);
3759            }
3760        }
3761    }
3762
3763    private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3764        IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3765        sendIqPacket(account, packet, (a, result) -> {
3766            synchronized (mInProgressAvatarFetches) {
3767                mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3768            }
3769            final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3770            if (result.getType() == IqPacket.TYPE.RESULT) {
3771                avatar.image = mIqParser.avatarData(result);
3772                if (avatar.image != null) {
3773                    if (getFileBackend().save(avatar)) {
3774                        if (a.getJid().asBareJid().equals(avatar.owner)) {
3775                            if (a.setAvatar(avatar.getFilename())) {
3776                                databaseBackend.updateAccount(a);
3777                            }
3778                            getAvatarService().clear(a);
3779                            updateConversationUi();
3780                            updateAccountUi();
3781                        } else {
3782                            final Contact contact = a.getRoster().getContact(avatar.owner);
3783                            contact.setAvatar(avatar);
3784                            syncRoster(account);
3785                            getAvatarService().clear(contact);
3786                            updateConversationUi();
3787                            updateRosterUi();
3788                        }
3789                        if (callback != null) {
3790                            callback.success(avatar);
3791                        }
3792                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": successfully fetched pep avatar for " + avatar.owner);
3793                        return;
3794                    }
3795                } else {
3796
3797                    Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3798                }
3799            } else {
3800                Element error = result.findChild("error");
3801                if (error == null) {
3802                    Log.d(Config.LOGTAG, ERROR + "(server error)");
3803                } else {
3804                    Log.d(Config.LOGTAG, ERROR + error.toString());
3805                }
3806            }
3807            if (callback != null) {
3808                callback.error(0, null);
3809            }
3810
3811        });
3812    }
3813
3814    private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3815        IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
3816        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3817            @Override
3818            public void onIqPacketReceived(Account account, IqPacket packet) {
3819                final boolean previouslyOmittedPepFetch;
3820                synchronized (mInProgressAvatarFetches) {
3821                    final String KEY = generateFetchKey(account, avatar);
3822                    mInProgressAvatarFetches.remove(KEY);
3823                    previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
3824                }
3825                if (packet.getType() == IqPacket.TYPE.RESULT) {
3826                    Element vCard = packet.findChild("vCard", "vcard-temp");
3827                    Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
3828                    String image = photo != null ? photo.findChildContent("BINVAL") : null;
3829                    if (image != null) {
3830                        avatar.image = image;
3831                        if (getFileBackend().save(avatar)) {
3832                            Log.d(Config.LOGTAG, account.getJid().asBareJid()
3833                                    + ": successfully fetched vCard avatar for " + avatar.owner + " omittedPep=" + previouslyOmittedPepFetch);
3834                            if (avatar.owner.isBareJid()) {
3835                                if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
3836                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
3837                                    account.setAvatar(avatar.getFilename());
3838                                    databaseBackend.updateAccount(account);
3839                                    getAvatarService().clear(account);
3840                                    updateAccountUi();
3841                                } else {
3842                                    final Contact contact = account.getRoster().getContact(avatar.owner);
3843                                    contact.setAvatar(avatar, previouslyOmittedPepFetch);
3844                                    syncRoster(account);
3845                                    getAvatarService().clear(contact);
3846                                    updateRosterUi();
3847                                }
3848                                updateConversationUi();
3849                            } else {
3850                                Conversation conversation = find(account, avatar.owner.asBareJid());
3851                                if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
3852                                    MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
3853                                    if (user != null) {
3854                                        if (user.setAvatar(avatar)) {
3855                                            getAvatarService().clear(user);
3856                                            updateConversationUi();
3857                                            updateMucRosterUi();
3858                                        }
3859                                        if (user.getRealJid() != null) {
3860                                            Contact contact = account.getRoster().getContact(user.getRealJid());
3861                                            contact.setAvatar(avatar);
3862                                            syncRoster(account);
3863                                            getAvatarService().clear(contact);
3864                                            updateRosterUi();
3865                                        }
3866                                    }
3867                                }
3868                            }
3869                        }
3870                    }
3871                }
3872            }
3873        });
3874    }
3875
3876    public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
3877        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3878        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3879
3880            @Override
3881            public void onIqPacketReceived(Account account, IqPacket packet) {
3882                if (packet.getType() == IqPacket.TYPE.RESULT) {
3883                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3884                    if (pubsub != null) {
3885                        Element items = pubsub.findChild("items");
3886                        if (items != null) {
3887                            Avatar avatar = Avatar.parseMetadata(items);
3888                            if (avatar != null) {
3889                                avatar.owner = account.getJid().asBareJid();
3890                                if (fileBackend.isAvatarCached(avatar)) {
3891                                    if (account.setAvatar(avatar.getFilename())) {
3892                                        databaseBackend.updateAccount(account);
3893                                    }
3894                                    getAvatarService().clear(account);
3895                                    callback.success(avatar);
3896                                } else {
3897                                    fetchAvatarPep(account, avatar, callback);
3898                                }
3899                                return;
3900                            }
3901                        }
3902                    }
3903                }
3904                callback.error(0, null);
3905            }
3906        });
3907    }
3908
3909    public void notifyAccountAvatarHasChanged(final Account account) {
3910        final XmppConnection connection = account.getXmppConnection();
3911        if (connection != null && connection.getFeatures().bookmarksConversion()) {
3912            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar changed. resending presence to online group chats");
3913            for (Conversation conversation : conversations) {
3914                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
3915                    final MucOptions mucOptions = conversation.getMucOptions();
3916                    if (mucOptions.online()) {
3917                        PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
3918                        packet.setTo(mucOptions.getSelf().getFullJid());
3919                        connection.sendPresencePacket(packet);
3920                    }
3921                }
3922            }
3923        }
3924    }
3925
3926    public void deleteContactOnServer(Contact contact) {
3927        contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
3928        contact.resetOption(Contact.Options.DIRTY_PUSH);
3929        contact.setOption(Contact.Options.DIRTY_DELETE);
3930        Account account = contact.getAccount();
3931        if (account.getStatus() == Account.State.ONLINE) {
3932            IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3933            Element item = iq.query(Namespace.ROSTER).addChild("item");
3934            item.setAttribute("jid", contact.getJid());
3935            item.setAttribute("subscription", "remove");
3936            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3937        }
3938    }
3939
3940    public void updateConversation(final Conversation conversation) {
3941        mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3942    }
3943
3944    private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3945        synchronized (account) {
3946            XmppConnection connection = account.getXmppConnection();
3947            if (connection == null) {
3948                connection = createConnection(account);
3949                account.setXmppConnection(connection);
3950            }
3951            boolean hasInternet = hasInternetConnection();
3952            if (account.isEnabled() && hasInternet) {
3953                if (!force) {
3954                    disconnect(account, false);
3955                }
3956                Thread thread = new Thread(connection);
3957                connection.setInteractive(interactive);
3958                connection.prepareNewConnection();
3959                connection.interrupt();
3960                thread.start();
3961                scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
3962            } else {
3963                disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
3964                account.getRoster().clearPresences();
3965                connection.resetEverything();
3966                final AxolotlService axolotlService = account.getAxolotlService();
3967                if (axolotlService != null) {
3968                    axolotlService.resetBrokenness();
3969                }
3970                if (!hasInternet) {
3971                    account.setStatus(Account.State.NO_INTERNET);
3972                }
3973            }
3974        }
3975    }
3976
3977    public void reconnectAccountInBackground(final Account account) {
3978        new Thread(() -> reconnectAccount(account, false, true)).start();
3979    }
3980
3981    public void invite(final Conversation conversation, final Jid contact) {
3982        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
3983        final MucOptions.User user = conversation.getMucOptions().findUserByRealJid(contact.asBareJid());
3984        if (user == null || user.getAffiliation() == MucOptions.Affiliation.OUTCAST) {
3985            changeAffiliationInConference(conversation, contact, MucOptions.Affiliation.NONE, null);
3986        }
3987        final MessagePacket packet = mMessageGenerator.invite(conversation, contact);
3988        sendMessagePacket(conversation.getAccount(), packet);
3989    }
3990
3991    public void directInvite(Conversation conversation, Jid jid) {
3992        MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
3993        sendMessagePacket(conversation.getAccount(), packet);
3994    }
3995
3996    public void resetSendingToWaiting(Account account) {
3997        for (Conversation conversation : getConversations()) {
3998            if (conversation.getAccount() == account) {
3999                conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
4000            }
4001        }
4002    }
4003
4004    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
4005        return markMessage(account, recipient, uuid, status, null);
4006    }
4007
4008    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
4009        if (uuid == null) {
4010            return null;
4011        }
4012        for (Conversation conversation : getConversations()) {
4013            if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
4014                final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
4015                if (message != null) {
4016                    markMessage(message, status, errorMessage);
4017                }
4018                return message;
4019            }
4020        }
4021        return null;
4022    }
4023
4024    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId) {
4025        return markMessage(conversation, uuid, status, serverMessageId, null);
4026    }
4027
4028    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId, final LocalizedContent body) {
4029        if (uuid == null) {
4030            return false;
4031        } else {
4032            final Message message = conversation.findSentMessageWithUuid(uuid);
4033            if (message != null) {
4034                if (message.getServerMsgId() == null) {
4035                    message.setServerMsgId(serverMessageId);
4036                }
4037                if (message.getEncryption() == Message.ENCRYPTION_NONE
4038                        && message.isTypeText()
4039                        && isBodyModified(message, body)) {
4040                    message.setBody(body.content);
4041                    if (body.count > 1) {
4042                        message.setBodyLanguage(body.language);
4043                    }
4044                    markMessage(message, status, null, true);
4045                } else {
4046                    markMessage(message, status);
4047                }
4048                return true;
4049            } else {
4050                return false;
4051            }
4052        }
4053    }
4054
4055    private static boolean isBodyModified(final Message message, final LocalizedContent body) {
4056        if (body == null || body.content == null) {
4057            return false;
4058        }
4059        return !body.content.equals(message.getBody());
4060    }
4061
4062    public void markMessage(Message message, int status) {
4063        markMessage(message, status, null);
4064    }
4065
4066
4067    public void markMessage(final Message message, final int status, final String errorMessage) {
4068        markMessage(message, status, errorMessage, false);
4069    }
4070
4071    public void markMessage(final Message message, final int status, final String errorMessage, final boolean includeBody) {
4072        final int oldStatus = message.getStatus();
4073        if (status == Message.STATUS_SEND_FAILED && (oldStatus == Message.STATUS_SEND_RECEIVED || oldStatus == Message.STATUS_SEND_DISPLAYED)) {
4074            return;
4075        }
4076        if (status == Message.STATUS_SEND_RECEIVED && oldStatus == Message.STATUS_SEND_DISPLAYED) {
4077            return;
4078        }
4079        message.setErrorMessage(errorMessage);
4080        message.setStatus(status);
4081        databaseBackend.updateMessage(message, includeBody);
4082        updateConversationUi();
4083        if (oldStatus != status && status == Message.STATUS_SEND_FAILED) {
4084            mNotificationService.pushFailedDelivery(message);
4085        }
4086    }
4087
4088    private SharedPreferences getPreferences() {
4089        return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
4090    }
4091
4092    public long getAutomaticMessageDeletionDate() {
4093        final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
4094        return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
4095    }
4096
4097    public long getLongPreference(String name, @IntegerRes int res) {
4098        long defaultValue = getResources().getInteger(res);
4099        try {
4100            return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
4101        } catch (NumberFormatException e) {
4102            return defaultValue;
4103        }
4104    }
4105
4106    public boolean getBooleanPreference(String name, @BoolRes int res) {
4107        return getPreferences().getBoolean(name, getResources().getBoolean(res));
4108    }
4109
4110    public boolean confirmMessages() {
4111        return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
4112    }
4113
4114    public boolean allowMessageCorrection() {
4115        return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
4116    }
4117
4118    public boolean sendChatStates() {
4119        return getBooleanPreference("chat_states", R.bool.chat_states);
4120    }
4121
4122    private boolean synchronizeWithBookmarks() {
4123        return getBooleanPreference("autojoin", R.bool.autojoin);
4124    }
4125
4126    public boolean useTorToConnect() {
4127        return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
4128    }
4129
4130    public boolean showExtendedConnectionOptions() {
4131        return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
4132    }
4133
4134    public boolean broadcastLastActivity() {
4135        return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
4136    }
4137
4138    public int unreadCount() {
4139        int count = 0;
4140        for (Conversation conversation : getConversations()) {
4141            count += conversation.unreadCount();
4142        }
4143        return count;
4144    }
4145
4146
4147    private <T> List<T> threadSafeList(Set<T> set) {
4148        synchronized (LISTENER_LOCK) {
4149            return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
4150        }
4151    }
4152
4153    public void showErrorToastInUi(int resId) {
4154        for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
4155            listener.onShowErrorToast(resId);
4156        }
4157    }
4158
4159    public void updateConversationUi() {
4160        for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
4161            listener.onConversationUpdate();
4162        }
4163    }
4164
4165    public void notifyJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state) {
4166        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4167            listener.onJingleRtpConnectionUpdate(account, with, sessionId, state);
4168        }
4169    }
4170
4171    public void notifyJingleRtpConnectionUpdate(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices) {
4172        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4173            listener.onAudioDeviceChanged(selectedAudioDevice, availableAudioDevices);
4174        }
4175    }
4176
4177    public void updateAccountUi() {
4178        for (OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
4179            listener.onAccountUpdate();
4180        }
4181    }
4182
4183    public void updateRosterUi() {
4184        for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
4185            listener.onRosterUpdate();
4186        }
4187    }
4188
4189    public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
4190        if (mOnCaptchaRequested.size() > 0) {
4191            DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
4192            Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
4193                    (int) (captcha.getHeight() * metrics.scaledDensity), false);
4194            for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
4195                listener.onCaptchaRequested(account, id, data, scaled);
4196            }
4197            return true;
4198        }
4199        return false;
4200    }
4201
4202    public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
4203        for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
4204            listener.OnUpdateBlocklist(status);
4205        }
4206    }
4207
4208    public void updateMucRosterUi() {
4209        for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
4210            listener.onMucRosterUpdate();
4211        }
4212    }
4213
4214    public void keyStatusUpdated(AxolotlService.FetchStatus report) {
4215        for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
4216            listener.onKeyStatusUpdated(report);
4217        }
4218    }
4219
4220    public Account findAccountByJid(final Jid jid) {
4221        for (final Account account : this.accounts) {
4222            if (account.getJid().asBareJid().equals(jid.asBareJid())) {
4223                return account;
4224            }
4225        }
4226        return null;
4227    }
4228
4229    public Account findAccountByUuid(final String uuid) {
4230        for (Account account : this.accounts) {
4231            if (account.getUuid().equals(uuid)) {
4232                return account;
4233            }
4234        }
4235        return null;
4236    }
4237
4238    public Conversation findConversationByUuid(String uuid) {
4239        for (Conversation conversation : getConversations()) {
4240            if (conversation.getUuid().equals(uuid)) {
4241                return conversation;
4242            }
4243        }
4244        return null;
4245    }
4246
4247    public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
4248        List<Conversation> findings = new ArrayList<>();
4249        for (Conversation c : getConversations()) {
4250            if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
4251                findings.add(c);
4252            }
4253        }
4254        return findings.size() == 1 ? findings.get(0) : null;
4255    }
4256
4257    public boolean markRead(final Conversation conversation, boolean dismiss) {
4258        return markRead(conversation, null, dismiss).size() > 0;
4259    }
4260
4261    public void markRead(final Conversation conversation) {
4262        markRead(conversation, null, true);
4263    }
4264
4265    public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
4266        if (dismiss) {
4267            mNotificationService.clear(conversation);
4268        }
4269        final List<Message> readMessages = conversation.markRead(upToUuid);
4270        if (readMessages.size() > 0) {
4271            Runnable runnable = () -> {
4272                for (Message message : readMessages) {
4273                    databaseBackend.updateMessage(message, false);
4274                }
4275            };
4276            mDatabaseWriterExecutor.execute(runnable);
4277            updateConversationUi();
4278            updateUnreadCountBadge();
4279            return readMessages;
4280        } else {
4281            return readMessages;
4282        }
4283    }
4284
4285    public synchronized void updateUnreadCountBadge() {
4286        int count = unreadCount();
4287        if (unreadCount != count) {
4288            Log.d(Config.LOGTAG, "update unread count to " + count);
4289            if (count > 0) {
4290                ShortcutBadger.applyCount(getApplicationContext(), count);
4291            } else {
4292                ShortcutBadger.removeCount(getApplicationContext());
4293            }
4294            unreadCount = count;
4295        }
4296    }
4297
4298    public void sendReadMarker(final Conversation conversation, String upToUuid) {
4299        final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
4300        final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
4301        if (readMessages.size() > 0) {
4302            updateConversationUi();
4303        }
4304        final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
4305        if (confirmMessages()
4306                && markable != null
4307                && (markable.trusted() || isPrivateAndNonAnonymousMuc)
4308                && markable.getRemoteMsgId() != null) {
4309            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
4310            final Account account = conversation.getAccount();
4311            final MessagePacket packet = mMessageGenerator.confirm(markable);
4312            this.sendMessagePacket(account, packet);
4313        }
4314    }
4315
4316    public SecureRandom getRNG() {
4317        return this.mRandom;
4318    }
4319
4320    public MemorizingTrustManager getMemorizingTrustManager() {
4321        return this.mMemorizingTrustManager;
4322    }
4323
4324    public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
4325        this.mMemorizingTrustManager = trustManager;
4326    }
4327
4328    public void updateMemorizingTrustmanager() {
4329        final MemorizingTrustManager tm;
4330        final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
4331        if (dontTrustSystemCAs) {
4332            tm = new MemorizingTrustManager(getApplicationContext(), null);
4333        } else {
4334            tm = new MemorizingTrustManager(getApplicationContext());
4335        }
4336        setMemorizingTrustManager(tm);
4337    }
4338
4339    public LruCache<String, Bitmap> getBitmapCache() {
4340        return this.mBitmapCache;
4341    }
4342
4343    public LruCache<String, Drawable> getDrawableCache() {
4344        return this.mDrawableCache;
4345    }
4346
4347    public Collection<String> getKnownHosts() {
4348        final Set<String> hosts = new HashSet<>();
4349        for (final Account account : getAccounts()) {
4350            hosts.add(account.getServer());
4351            for (final Contact contact : account.getRoster().getContacts()) {
4352                if (contact.showInRoster()) {
4353                    final String server = contact.getServer();
4354                    if (server != null) {
4355                        hosts.add(server);
4356                    }
4357                }
4358            }
4359        }
4360        if (Config.QUICKSY_DOMAIN != null) {
4361            hosts.remove(Config.QUICKSY_DOMAIN.toEscapedString()); //we only want to show this when we type a e164 number
4362        }
4363        if (Config.DOMAIN_LOCK != null) {
4364            hosts.add(Config.DOMAIN_LOCK);
4365        }
4366        if (Config.MAGIC_CREATE_DOMAIN != null) {
4367            hosts.add(Config.MAGIC_CREATE_DOMAIN);
4368        }
4369        return hosts;
4370    }
4371
4372    public Collection<String> getKnownConferenceHosts() {
4373        final Set<String> mucServers = new HashSet<>();
4374        for (final Account account : accounts) {
4375            if (account.getXmppConnection() != null) {
4376                mucServers.addAll(account.getXmppConnection().getMucServers());
4377                for (Bookmark bookmark : account.getBookmarks()) {
4378                    final Jid jid = bookmark.getJid();
4379                    final String s = jid == null ? null : jid.getDomain().toEscapedString();
4380                    if (s != null) {
4381                        mucServers.add(s);
4382                    }
4383                }
4384            }
4385        }
4386        return mucServers;
4387    }
4388
4389    public void sendMessagePacket(Account account, MessagePacket packet) {
4390        final XmppConnection connection = account.getXmppConnection();
4391        if (connection != null) {
4392            connection.sendMessagePacket(packet);
4393        }
4394    }
4395
4396    public void sendPresencePacket(Account account, PresencePacket packet) {
4397        XmppConnection connection = account.getXmppConnection();
4398        if (connection != null) {
4399            connection.sendPresencePacket(packet);
4400        }
4401    }
4402
4403    public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4404        final XmppConnection connection = account.getXmppConnection();
4405        if (connection != null) {
4406            IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4407            connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4408        }
4409    }
4410
4411    public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4412        final XmppConnection connection = account.getXmppConnection();
4413        if (connection != null) {
4414            connection.sendIqPacket(packet, callback);
4415        } else if (callback != null) {
4416            callback.onIqPacketReceived(account, new IqPacket(IqPacket.TYPE.TIMEOUT));
4417        }
4418    }
4419
4420    public void sendPresence(final Account account) {
4421        sendPresence(account, checkListeners() && broadcastLastActivity());
4422    }
4423
4424    private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4425        final Presence.Status status;
4426        if (manuallyChangePresence()) {
4427            status = account.getPresenceStatus();
4428        } else {
4429            status = getTargetPresence();
4430        }
4431        final PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
4432        if (mLastActivity > 0 && includeIdleTimestamp) {
4433            long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
4434            packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
4435        }
4436        sendPresencePacket(account, packet);
4437    }
4438
4439    private void deactivateGracePeriod() {
4440        for (Account account : getAccounts()) {
4441            account.deactivateGracePeriod();
4442        }
4443    }
4444
4445    public void refreshAllPresences() {
4446        boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
4447        for (Account account : getAccounts()) {
4448            if (account.isEnabled()) {
4449                sendPresence(account, includeIdleTimestamp);
4450            }
4451        }
4452    }
4453
4454    private void refreshAllFcmTokens() {
4455        for (Account account : getAccounts()) {
4456            if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
4457                mPushManagementService.registerPushTokenOnServer(account);
4458                //TODO renew mucs
4459            }
4460        }
4461    }
4462
4463    private void sendOfflinePresence(final Account account) {
4464        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
4465        sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
4466    }
4467
4468    public MessageGenerator getMessageGenerator() {
4469        return this.mMessageGenerator;
4470    }
4471
4472    public PresenceGenerator getPresenceGenerator() {
4473        return this.mPresenceGenerator;
4474    }
4475
4476    public IqGenerator getIqGenerator() {
4477        return this.mIqGenerator;
4478    }
4479
4480    public IqParser getIqParser() {
4481        return this.mIqParser;
4482    }
4483
4484    public JingleConnectionManager getJingleConnectionManager() {
4485        return this.mJingleConnectionManager;
4486    }
4487
4488    public MessageArchiveService getMessageArchiveService() {
4489        return this.mMessageArchiveService;
4490    }
4491
4492    public QuickConversationsService getQuickConversationsService() {
4493        return this.mQuickConversationsService;
4494    }
4495
4496    public List<Contact> findContacts(Jid jid, String accountJid) {
4497        ArrayList<Contact> contacts = new ArrayList<>();
4498        for (Account account : getAccounts()) {
4499            if ((account.isEnabled() || accountJid != null)
4500                    && (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
4501                Contact contact = account.getRoster().getContactFromContactList(jid);
4502                if (contact != null) {
4503                    contacts.add(contact);
4504                }
4505            }
4506        }
4507        return contacts;
4508    }
4509
4510    public Conversation findFirstMuc(Jid jid) {
4511        for (Conversation conversation : getConversations()) {
4512            if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
4513                return conversation;
4514            }
4515        }
4516        return null;
4517    }
4518
4519    public NotificationService getNotificationService() {
4520        return this.mNotificationService;
4521    }
4522
4523    public HttpConnectionManager getHttpConnectionManager() {
4524        return this.mHttpConnectionManager;
4525    }
4526
4527    public void resendFailedMessages(final Message message) {
4528        final Collection<Message> messages = new ArrayList<>();
4529        Message current = message;
4530        while (current.getStatus() == Message.STATUS_SEND_FAILED) {
4531            messages.add(current);
4532            if (current.mergeable(current.next())) {
4533                current = current.next();
4534            } else {
4535                break;
4536            }
4537        }
4538        for (final Message msg : messages) {
4539            msg.setTime(System.currentTimeMillis());
4540            markMessage(msg, Message.STATUS_WAITING);
4541            this.resendMessage(msg, false);
4542        }
4543        if (message.getConversation() instanceof Conversation) {
4544            ((Conversation) message.getConversation()).sort();
4545        }
4546        updateConversationUi();
4547    }
4548
4549    public void clearConversationHistory(final Conversation conversation) {
4550        final long clearDate;
4551        final String reference;
4552        if (conversation.countMessages() > 0) {
4553            Message latestMessage = conversation.getLatestMessage();
4554            clearDate = latestMessage.getTimeSent() + 1000;
4555            reference = latestMessage.getServerMsgId();
4556        } else {
4557            clearDate = System.currentTimeMillis();
4558            reference = null;
4559        }
4560        conversation.clearMessages();
4561        conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
4562        conversation.setLastClearHistory(clearDate, reference);
4563        Runnable runnable = () -> {
4564            databaseBackend.deleteMessagesInConversation(conversation);
4565            databaseBackend.updateConversation(conversation);
4566        };
4567        mDatabaseWriterExecutor.execute(runnable);
4568    }
4569
4570    public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
4571        if (blockable != null && blockable.getBlockedJid() != null) {
4572            final Jid jid = blockable.getBlockedJid();
4573            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), (a, response) -> {
4574                if (response.getType() == IqPacket.TYPE.RESULT) {
4575                    a.getBlocklist().add(jid);
4576                    updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
4577                }
4578            });
4579            if (blockable.getBlockedJid().isFullJid()) {
4580                return false;
4581            } else if (removeBlockedConversations(blockable.getAccount(), jid)) {
4582                updateConversationUi();
4583                return true;
4584            } else {
4585                return false;
4586            }
4587        } else {
4588            return false;
4589        }
4590    }
4591
4592    public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
4593        boolean removed = false;
4594        synchronized (this.conversations) {
4595            boolean domainJid = blockedJid.getLocal() == null;
4596            for (Conversation conversation : this.conversations) {
4597                boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
4598                        || blockedJid.equals(conversation.getJid().asBareJid());
4599                if (conversation.getAccount() == account
4600                        && conversation.getMode() == Conversation.MODE_SINGLE
4601                        && jidMatches) {
4602                    this.conversations.remove(conversation);
4603                    markRead(conversation);
4604                    conversation.setStatus(Conversation.STATUS_ARCHIVED);
4605                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
4606                    updateConversation(conversation);
4607                    removed = true;
4608                }
4609            }
4610        }
4611        return removed;
4612    }
4613
4614    public void sendUnblockRequest(final Blockable blockable) {
4615        if (blockable != null && blockable.getJid() != null) {
4616            final Jid jid = blockable.getBlockedJid();
4617            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
4618                @Override
4619                public void onIqPacketReceived(final Account account, final IqPacket packet) {
4620                    if (packet.getType() == IqPacket.TYPE.RESULT) {
4621                        account.getBlocklist().remove(jid);
4622                        updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
4623                    }
4624                }
4625            });
4626        }
4627    }
4628
4629    public void publishDisplayName(Account account) {
4630        String displayName = account.getDisplayName();
4631        final IqPacket request;
4632        if (TextUtils.isEmpty(displayName)) {
4633            request = mIqGenerator.deleteNode(Namespace.NICK);
4634        } else {
4635            request = mIqGenerator.publishNick(displayName);
4636        }
4637        mAvatarService.clear(account);
4638        sendIqPacket(account, request, (account1, packet) -> {
4639            if (packet.getType() == IqPacket.TYPE.ERROR) {
4640                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name " + packet.toString());
4641            }
4642        });
4643    }
4644
4645    public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
4646        ServiceDiscoveryResult result = discoCache.get(key);
4647        if (result != null) {
4648            return result;
4649        } else {
4650            result = databaseBackend.findDiscoveryResult(key.first, key.second);
4651            if (result != null) {
4652                discoCache.put(key, result);
4653            }
4654            return result;
4655        }
4656    }
4657
4658    public void fetchCaps(Account account, final Jid jid, final Presence presence) {
4659        final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
4660        final ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
4661        if (disco != null) {
4662            presence.setServiceDiscoveryResult(disco);
4663            final Contact contact = account.getRoster().getContact(jid);
4664            if (contact.refreshRtpCapability()) {
4665                syncRoster(account);
4666            }
4667        } else {
4668            final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4669            request.setTo(jid);
4670            final String node = presence.getNode();
4671            final String ver = presence.getVer();
4672            final Element query = request.query(Namespace.DISCO_INFO);
4673            if (node != null && ver != null) {
4674                query.setAttribute("node", node + "#" + ver);
4675            }
4676            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
4677            sendIqPacket(account, request, (a, response) -> {
4678                if (response.getType() == IqPacket.TYPE.RESULT) {
4679                    final ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
4680                    if (presence.getVer().equals(discoveryResult.getVer())) {
4681                        databaseBackend.insertDiscoveryResult(discoveryResult);
4682                        injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
4683                    } else {
4684                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
4685                    }
4686                } else {
4687                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to fetch caps from " + jid);
4688                }
4689            });
4690        }
4691    }
4692
4693    private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
4694        boolean rosterNeedsSync = false;
4695        for (final Contact contact : roster.getContacts()) {
4696            boolean serviceDiscoverySet = false;
4697            for (final Presence presence : contact.getPresences().getPresences()) {
4698                if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
4699                    presence.setServiceDiscoveryResult(disco);
4700                    serviceDiscoverySet = true;
4701                }
4702            }
4703            if (serviceDiscoverySet) {
4704                rosterNeedsSync |= contact.refreshRtpCapability();
4705            }
4706        }
4707        if (rosterNeedsSync) {
4708            syncRoster(roster.getAccount());
4709        }
4710    }
4711
4712    public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
4713        final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
4714        IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4715        request.addChild("prefs", version.namespace);
4716        sendIqPacket(account, request, (account1, packet) -> {
4717            Element prefs = packet.findChild("prefs", version.namespace);
4718            if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
4719                callback.onPreferencesFetched(prefs);
4720            } else {
4721                callback.onPreferencesFetchFailed();
4722            }
4723        });
4724    }
4725
4726    public PushManagementService getPushManagementService() {
4727        return mPushManagementService;
4728    }
4729
4730    public void changeStatus(Account account, PresenceTemplate template, String signature) {
4731        if (!template.getStatusMessage().isEmpty()) {
4732            databaseBackend.insertPresenceTemplate(template);
4733        }
4734        account.setPgpSignature(signature);
4735        account.setPresenceStatus(template.getStatus());
4736        account.setPresenceStatusMessage(template.getStatusMessage());
4737        databaseBackend.updateAccount(account);
4738        sendPresence(account);
4739    }
4740
4741    public List<PresenceTemplate> getPresenceTemplates(Account account) {
4742        List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4743        for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4744            if (!templates.contains(template)) {
4745                templates.add(0, template);
4746            }
4747        }
4748        return templates;
4749    }
4750
4751    public void saveConversationAsBookmark(Conversation conversation, String name) {
4752        final Account account = conversation.getAccount();
4753        final Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4754        final String nick = conversation.getJid().getResource();
4755        if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
4756            bookmark.setNick(nick);
4757        }
4758        if (!TextUtils.isEmpty(name)) {
4759            bookmark.setBookmarkName(name);
4760        }
4761        bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4762        createBookmark(account, bookmark);
4763        bookmark.setConversation(conversation);
4764    }
4765
4766    public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4767        boolean performedVerification = false;
4768        final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4769        for (XmppUri.Fingerprint fp : fingerprints) {
4770            if (fp.type == XmppUri.FingerprintType.OMEMO) {
4771                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4772                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4773                if (fingerprintStatus != null) {
4774                    if (!fingerprintStatus.isVerified()) {
4775                        performedVerification = true;
4776                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4777                    }
4778                } else {
4779                    axolotlService.preVerifyFingerprint(contact, fingerprint);
4780                }
4781            }
4782        }
4783        return performedVerification;
4784    }
4785
4786    public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
4787        final AxolotlService axolotlService = account.getAxolotlService();
4788        boolean verifiedSomething = false;
4789        for (XmppUri.Fingerprint fp : fingerprints) {
4790            if (fp.type == XmppUri.FingerprintType.OMEMO) {
4791                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4792                Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
4793                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4794                if (fingerprintStatus != null) {
4795                    if (!fingerprintStatus.isVerified()) {
4796                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4797                        verifiedSomething = true;
4798                    }
4799                } else {
4800                    axolotlService.preVerifyFingerprint(account, fingerprint);
4801                    verifiedSomething = true;
4802                }
4803            }
4804        }
4805        return verifiedSomething;
4806    }
4807
4808    public boolean blindTrustBeforeVerification() {
4809        return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
4810    }
4811
4812    public ShortcutService getShortcutService() {
4813        return mShortcutService;
4814    }
4815
4816    public void pushMamPreferences(Account account, Element prefs) {
4817        IqPacket set = new IqPacket(IqPacket.TYPE.SET);
4818        set.addChild(prefs);
4819        sendIqPacket(account, set, null);
4820    }
4821
4822    public void evictPreview(String uuid) {
4823        if (mBitmapCache.remove(uuid) != null) {
4824            Log.d(Config.LOGTAG, "deleted cached preview");
4825        }
4826    }
4827
4828    public interface OnMamPreferencesFetched {
4829        void onPreferencesFetched(Element prefs);
4830
4831        void onPreferencesFetchFailed();
4832    }
4833
4834    public interface OnAccountCreated {
4835        void onAccountCreated(Account account);
4836
4837        void informUser(int r);
4838    }
4839
4840    public interface OnMoreMessagesLoaded {
4841        void onMoreMessagesLoaded(int count, Conversation conversation);
4842
4843        void informUser(int r);
4844    }
4845
4846    public interface OnAccountPasswordChanged {
4847        void onPasswordChangeSucceeded();
4848
4849        void onPasswordChangeFailed();
4850    }
4851
4852    public interface OnRoomDestroy {
4853        void onRoomDestroySucceeded();
4854
4855        void onRoomDestroyFailed();
4856    }
4857
4858    public interface OnAffiliationChanged {
4859        void onAffiliationChangedSuccessful(Jid jid);
4860
4861        void onAffiliationChangeFailed(Jid jid, int resId);
4862    }
4863
4864    public interface OnConversationUpdate {
4865        void onConversationUpdate();
4866    }
4867
4868    public interface OnJingleRtpConnectionUpdate {
4869        void onJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state);
4870
4871        void onAudioDeviceChanged(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices);
4872    }
4873
4874    public interface OnAccountUpdate {
4875        void onAccountUpdate();
4876    }
4877
4878    public interface OnCaptchaRequested {
4879        void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
4880    }
4881
4882    public interface OnRosterUpdate {
4883        void onRosterUpdate();
4884    }
4885
4886    public interface OnMucRosterUpdate {
4887        void onMucRosterUpdate();
4888    }
4889
4890    public interface OnConferenceConfigurationFetched {
4891        void onConferenceConfigurationFetched(Conversation conversation);
4892
4893        void onFetchFailed(Conversation conversation, String errorCondition);
4894    }
4895
4896    public interface OnConferenceJoined {
4897        void onConferenceJoined(Conversation conversation);
4898    }
4899
4900    public interface OnConfigurationPushed {
4901        void onPushSucceeded();
4902
4903        void onPushFailed();
4904    }
4905
4906    public interface OnShowErrorToast {
4907        void onShowErrorToast(int resId);
4908    }
4909
4910    public class XmppConnectionBinder extends Binder {
4911        public XmppConnectionService getService() {
4912            return XmppConnectionService.this;
4913        }
4914    }
4915
4916    private class InternalEventReceiver extends BroadcastReceiver {
4917
4918        @Override
4919        public void onReceive(Context context, Intent intent) {
4920            onStartCommand(intent, 0, 0);
4921        }
4922    }
4923
4924    public static class OngoingCall {
4925        public final AbstractJingleConnection.Id id;
4926        public final Set<Media> media;
4927        public final boolean reconnecting;
4928
4929        public OngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
4930            this.id = id;
4931            this.media = media;
4932            this.reconnecting = reconnecting;
4933        }
4934
4935        @Override
4936        public boolean equals(Object o) {
4937            if (this == o) return true;
4938            if (o == null || getClass() != o.getClass()) return false;
4939            OngoingCall that = (OngoingCall) o;
4940            return reconnecting == that.reconnecting && Objects.equal(id, that.id) && Objects.equal(media, that.media);
4941        }
4942
4943        @Override
4944        public int hashCode() {
4945            return Objects.hashCode(id, media, reconnecting);
4946        }
4947    }
4948}