XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import static eu.siacs.conversations.utils.Compatibility.s;
   4import static eu.siacs.conversations.utils.Random.SECURE_RANDOM;
   5
   6import android.Manifest;
   7import android.annotation.SuppressLint;
   8import android.annotation.TargetApi;
   9import android.app.AlarmManager;
  10import android.app.KeyguardManager;
  11import android.app.Notification;
  12import android.app.NotificationManager;
  13import android.app.PendingIntent;
  14import android.app.Service;
  15import android.content.BroadcastReceiver;
  16import android.content.ComponentName;
  17import android.content.Context;
  18import android.content.Intent;
  19import android.content.IntentFilter;
  20import android.content.SharedPreferences;
  21import android.content.pm.PackageManager;
  22import android.database.ContentObserver;
  23import android.graphics.Bitmap;
  24import android.graphics.drawable.BitmapDrawable;
  25import android.graphics.drawable.Drawable;
  26import android.media.AudioManager;
  27import android.net.ConnectivityManager;
  28import android.net.Network;
  29import android.net.NetworkCapabilities;
  30import android.net.NetworkInfo;
  31import android.net.Uri;
  32import android.os.Binder;
  33import android.os.Build;
  34import android.os.Bundle;
  35import android.os.Environment;
  36import android.os.IBinder;
  37import android.os.PowerManager;
  38import android.os.PowerManager.WakeLock;
  39import android.os.SystemClock;
  40import android.preference.PreferenceManager;
  41import android.provider.ContactsContract;
  42import android.security.KeyChain;
  43import android.telephony.PhoneStateListener;
  44import android.telephony.TelephonyManager;
  45import android.text.TextUtils;
  46import android.util.DisplayMetrics;
  47import android.util.Log;
  48import android.util.LruCache;
  49import android.util.Pair;
  50
  51import androidx.annotation.BoolRes;
  52import androidx.annotation.IntegerRes;
  53import androidx.annotation.NonNull;
  54import androidx.core.app.RemoteInput;
  55import androidx.core.content.ContextCompat;
  56
  57import com.google.common.base.Objects;
  58import com.google.common.base.Optional;
  59import com.google.common.base.Strings;
  60
  61import org.conscrypt.Conscrypt;
  62import org.openintents.openpgp.IOpenPgpService2;
  63import org.openintents.openpgp.util.OpenPgpApi;
  64import org.openintents.openpgp.util.OpenPgpServiceConnection;
  65
  66import java.io.File;
  67import java.io.FileInputStream;
  68import java.io.IOException;
  69import java.security.Security;
  70import java.security.cert.CertificateException;
  71import java.security.cert.X509Certificate;
  72import java.text.ParseException;
  73import java.util.ArrayList;
  74import java.util.Arrays;
  75import java.util.Collection;
  76import java.util.Collections;
  77import java.util.HashSet;
  78import java.util.Hashtable;
  79import java.util.Iterator;
  80import java.util.List;
  81import java.util.ListIterator;
  82import java.util.Map;
  83import java.util.Set;
  84import java.util.WeakHashMap;
  85import java.util.concurrent.CopyOnWriteArrayList;
  86import java.util.concurrent.CountDownLatch;
  87import java.util.concurrent.Executor;
  88import java.util.concurrent.Executors;
  89import java.util.concurrent.atomic.AtomicBoolean;
  90import java.util.concurrent.atomic.AtomicLong;
  91import java.util.concurrent.atomic.AtomicReference;
  92
  93import io.ipfs.cid.Cid;
  94
  95import eu.siacs.conversations.Config;
  96import eu.siacs.conversations.R;
  97import eu.siacs.conversations.android.JabberIdContact;
  98import eu.siacs.conversations.crypto.OmemoSetting;
  99import eu.siacs.conversations.crypto.PgpDecryptionService;
 100import eu.siacs.conversations.crypto.PgpEngine;
 101import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 102import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 103import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
 104import eu.siacs.conversations.entities.Account;
 105import eu.siacs.conversations.entities.Blockable;
 106import eu.siacs.conversations.entities.Bookmark;
 107import eu.siacs.conversations.entities.Contact;
 108import eu.siacs.conversations.entities.Conversation;
 109import eu.siacs.conversations.entities.Conversational;
 110import eu.siacs.conversations.entities.DownloadableFile;
 111import eu.siacs.conversations.entities.Message;
 112import eu.siacs.conversations.entities.MucOptions;
 113import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
 114import eu.siacs.conversations.entities.Presence;
 115import eu.siacs.conversations.entities.PresenceTemplate;
 116import eu.siacs.conversations.entities.Roster;
 117import eu.siacs.conversations.entities.ServiceDiscoveryResult;
 118import eu.siacs.conversations.generator.AbstractGenerator;
 119import eu.siacs.conversations.generator.IqGenerator;
 120import eu.siacs.conversations.generator.MessageGenerator;
 121import eu.siacs.conversations.generator.PresenceGenerator;
 122import eu.siacs.conversations.http.HttpConnectionManager;
 123import eu.siacs.conversations.parser.AbstractParser;
 124import eu.siacs.conversations.parser.IqParser;
 125import eu.siacs.conversations.parser.MessageParser;
 126import eu.siacs.conversations.parser.PresenceParser;
 127import eu.siacs.conversations.persistance.DatabaseBackend;
 128import eu.siacs.conversations.persistance.FileBackend;
 129import eu.siacs.conversations.persistance.UnifiedPushDatabase;
 130import eu.siacs.conversations.ui.ChooseAccountForProfilePictureActivity;
 131import eu.siacs.conversations.ui.RtpSessionActivity;
 132import eu.siacs.conversations.ui.SettingsActivity;
 133import eu.siacs.conversations.ui.UiCallback;
 134import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 135import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 136import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 137import eu.siacs.conversations.utils.AccountUtils;
 138import eu.siacs.conversations.utils.Compatibility;
 139import eu.siacs.conversations.utils.Consumer;
 140import eu.siacs.conversations.utils.ConversationsFileObserver;
 141import eu.siacs.conversations.utils.CryptoHelper;
 142import eu.siacs.conversations.utils.EasyOnboardingInvite;
 143import eu.siacs.conversations.utils.ExceptionHelper;
 144import eu.siacs.conversations.utils.MimeUtils;
 145import eu.siacs.conversations.utils.PhoneHelper;
 146import eu.siacs.conversations.utils.QuickLoader;
 147import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 148import eu.siacs.conversations.utils.ReplacingTaskManager;
 149import eu.siacs.conversations.utils.Resolver;
 150import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 151import eu.siacs.conversations.utils.StringUtils;
 152import eu.siacs.conversations.utils.TorServiceUtils;
 153import eu.siacs.conversations.utils.ThemeHelper;
 154import eu.siacs.conversations.utils.WakeLockHelper;
 155import eu.siacs.conversations.utils.XmppUri;
 156import eu.siacs.conversations.xml.Element;
 157import eu.siacs.conversations.xml.LocalizedContent;
 158import eu.siacs.conversations.xml.Namespace;
 159import eu.siacs.conversations.xmpp.Jid;
 160import eu.siacs.conversations.xmpp.OnBindListener;
 161import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 162import eu.siacs.conversations.xmpp.OnGatewayResult;
 163import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 164import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 165import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 166import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 167import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 168import eu.siacs.conversations.xmpp.OnStatusChanged;
 169import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 170import eu.siacs.conversations.xmpp.XmppConnection;
 171import eu.siacs.conversations.xmpp.chatstate.ChatState;
 172import eu.siacs.conversations.xmpp.forms.Data;
 173import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 174import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 175import eu.siacs.conversations.xmpp.jingle.JingleRtpConnection;
 176import eu.siacs.conversations.xmpp.jingle.Media;
 177import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 178import eu.siacs.conversations.xmpp.mam.MamReference;
 179import eu.siacs.conversations.xmpp.pep.Avatar;
 180import eu.siacs.conversations.xmpp.pep.PublishOptions;
 181import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 182import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 183import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 184import me.leolin.shortcutbadger.ShortcutBadger;
 185
 186public class XmppConnectionService extends Service {
 187
 188    public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 189    public static final String ACTION_MARK_AS_READ = "mark_as_read";
 190    public static final String ACTION_SNOOZE = "snooze";
 191    public static final String ACTION_CLEAR_MESSAGE_NOTIFICATION = "clear_message_notification";
 192    public static final String ACTION_CLEAR_MISSED_CALL_NOTIFICATION = "clear_missed_call_notification";
 193    public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 194    public static final String ACTION_TRY_AGAIN = "try_again";
 195    public static final String ACTION_IDLE_PING = "idle_ping";
 196    public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 197    public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 198    public static final String ACTION_DISMISS_CALL = "dismiss_call";
 199    public static final String ACTION_END_CALL = "end_call";
 200    public static final String ACTION_PROVISION_ACCOUNT = "provision_account";
 201    private static final String ACTION_POST_CONNECTIVITY_CHANGE = "eu.siacs.conversations.POST_CONNECTIVITY_CHANGE";
 202    public static final String ACTION_RENEW_UNIFIED_PUSH_ENDPOINTS = "eu.siacs.conversations.UNIFIED_PUSH_RENEW";
 203
 204    private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 205
 206    public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 207    private final static Executor FILE_OBSERVER_EXECUTOR = Executors.newSingleThreadExecutor();
 208    private final static Executor FILE_ATTACHMENT_EXECUTOR = Executors.newSingleThreadExecutor();
 209    private final static SerialSingleThreadExecutor VIDEO_COMPRESSION_EXECUTOR = new SerialSingleThreadExecutor("VideoCompression");
 210    private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 211    private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 212    private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 213    private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 214    private final IBinder mBinder = new XmppConnectionBinder();
 215    private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 216    private final IqGenerator mIqGenerator = new IqGenerator(this);
 217    private final Set<String> mInProgressAvatarFetches = new HashSet<>();
 218    private final Set<String> mOmittedPepAvatarFetches = new HashSet<>();
 219    private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 220    private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 221        if (packet.getType() != IqPacket.TYPE.RESULT) {
 222            Element error = packet.findChild("error");
 223            String text = error != null ? error.findChildContent("text") : null;
 224            if (text != null) {
 225                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 226            }
 227        }
 228    };
 229    public DatabaseBackend databaseBackend;
 230    private final ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor("ContactMerger");
 231    private long mLastActivity = 0;
 232    private final FileBackend fileBackend = new FileBackend(this);
 233    private MemorizingTrustManager mMemorizingTrustManager;
 234    private final NotificationService mNotificationService = new NotificationService(this);
 235    private final UnifiedPushBroker unifiedPushBroker = new UnifiedPushBroker(this);
 236    private final ChannelDiscoveryService mChannelDiscoveryService = new ChannelDiscoveryService(this);
 237    private final ShortcutService mShortcutService = new ShortcutService(this);
 238    private final AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 239    private final AtomicBoolean mForceForegroundService = new AtomicBoolean(false);
 240    private final AtomicBoolean mForceDuringOnCreate = new AtomicBoolean(false);
 241    private final AtomicReference<OngoingCall> ongoingCall = new AtomicReference<>();
 242    private final OnMessagePacketReceived mMessageParser = new MessageParser(this);
 243    private final OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 244    private final IqParser mIqParser = new IqParser(this);
 245    private final MessageGenerator mMessageGenerator = new MessageGenerator(this);
 246    public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 247        Conversation conversation = find(getConversations(), contact);
 248        if (conversation != null) {
 249            if (online) {
 250                if (contact.getPresences().size() == 1) {
 251                    sendUnsentMessages(conversation);
 252                }
 253            }
 254        }
 255    };
 256    private final PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 257    private List<Account> accounts;
 258    private final JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(this);
 259    private final HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(this);
 260    private final AvatarService mAvatarService = new AvatarService(this);
 261    private final MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 262    private final PushManagementService mPushManagementService = new PushManagementService(this);
 263    private final QuickConversationsService mQuickConversationsService = new QuickConversationsService(this);
 264    private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 265            Environment.getExternalStorageDirectory().getAbsolutePath()
 266    ) {
 267        @Override
 268        public void onEvent(final int event, final File file) {
 269            markFileDeleted(file);
 270        }
 271    };
 272    private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 273
 274        @Override
 275        public boolean onMessageAcknowledged(final Account account, final Jid to, final String id) {
 276            if (id.startsWith(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX)) {
 277                final String sessionId = id.substring(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX.length());
 278                mJingleConnectionManager.updateProposedSessionDiscovered(
 279                        account,
 280                        to,
 281                        sessionId,
 282                        JingleConnectionManager.DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED
 283                );
 284            }
 285
 286
 287            final Jid bare = to.asBareJid();
 288
 289            for (final Conversation conversation : getConversations()) {
 290                if (conversation.getAccount() == account && conversation.getJid().asBareJid().equals(bare)) {
 291                    final Message message = conversation.findUnsentMessageWithUuid(id);
 292                    if (message != null) {
 293                        message.setStatus(Message.STATUS_SEND);
 294                        message.setErrorMessage(null);
 295                        databaseBackend.updateMessage(message, false);
 296                        return true;
 297                    }
 298                }
 299            }
 300            return false;
 301        }
 302    };
 303    private final AtomicBoolean isPhoneInCall = new AtomicBoolean(false);
 304    private final AtomicBoolean diallerIntegrationActive = new AtomicBoolean(false);
 305    private final PhoneStateListener phoneStateListener = new PhoneStateListener() {
 306        @Override
 307        public void onCallStateChanged(final int state, final String phoneNumber) {
 308            if (diallerIntegrationActive.get()) return;
 309            isPhoneInCall.set(state != TelephonyManager.CALL_STATE_IDLE);
 310            if (state == TelephonyManager.CALL_STATE_OFFHOOK) {
 311                mJingleConnectionManager.notifyPhoneCallStarted();
 312            }
 313        }
 314    };
 315
 316    public void setDiallerIntegrationActive(boolean active) {
 317      diallerIntegrationActive.set(active);
 318    }
 319
 320    private boolean destroyed = false;
 321
 322    private int unreadCount = -1;
 323
 324    //Ui callback listeners
 325    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 326    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 327    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 328    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 329    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 330    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 331    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 332    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 333    private final Set<OnJingleRtpConnectionUpdate> onJingleRtpConnectionUpdate = Collections.newSetFromMap(new WeakHashMap<OnJingleRtpConnectionUpdate, Boolean>());
 334
 335    private final Object LISTENER_LOCK = new Object();
 336
 337
 338    public final Set<String> FILENAMES_TO_IGNORE_DELETION = new HashSet<>();
 339
 340
 341    private final OnBindListener mOnBindListener = new OnBindListener() {
 342
 343        @Override
 344        public void onBind(final Account account) {
 345            synchronized (mInProgressAvatarFetches) {
 346                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 347                    final String KEY = iterator.next();
 348                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 349                        iterator.remove();
 350                    }
 351                }
 352            }
 353            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 354            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 355            if (loggedInSuccessfully || gainedFeature) {
 356                databaseBackend.updateAccount(account);
 357            }
 358
 359            if (loggedInSuccessfully) {
 360                if (!TextUtils.isEmpty(account.getDisplayName())) {
 361                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": display name wasn't empty on first log in. publishing");
 362                    publishDisplayName(account);
 363                }
 364            }
 365
 366            account.getRoster().clearPresences();
 367            synchronized (account.inProgressConferenceJoins) {
 368                account.inProgressConferenceJoins.clear();
 369            }
 370            synchronized (account.inProgressConferencePings) {
 371                account.inProgressConferencePings.clear();
 372            }
 373            mJingleConnectionManager.notifyRebound(account);
 374            mQuickConversationsService.considerSyncBackground(false);
 375            fetchRosterFromServer(account);
 376
 377            final XmppConnection connection = account.getXmppConnection();
 378
 379            if (connection.getFeatures().bookmarks2()) {
 380                fetchBookmarks2(account);
 381            } else if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 382                fetchBookmarks(account);
 383            }
 384            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 385            final boolean catchup = getMessageArchiveService().inCatchup(account);
 386            if (flexible && catchup && account.getXmppConnection().isMamPreferenceAlways()) {
 387                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 388                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 389                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 390                    }
 391                });
 392            }
 393            sendPresence(account);
 394            if (mPushManagementService.available(account)) {
 395                mPushManagementService.registerPushTokenOnServer(account);
 396            }
 397            connectMultiModeConversations(account);
 398            syncDirtyContacts(account);
 399
 400            unifiedPushBroker.renewUnifiedPushEndpointsOnBind(account);
 401        }
 402    };
 403    private final AtomicLong mLastExpiryRun = new AtomicLong(0);
 404    private final LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 405    private final OnStatusChanged statusListener = new OnStatusChanged() {
 406
 407        @Override
 408        public void onStatusChanged(final Account account) {
 409            XmppConnection connection = account.getXmppConnection();
 410            updateAccountUi();
 411
 412            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 413                mQuickConversationsService.signalAccountStateChange();
 414            }
 415
 416            if (account.getStatus() == Account.State.ONLINE) {
 417                synchronized (mLowPingTimeoutMode) {
 418                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 419                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 420                    }
 421                }
 422                if (account.setShowErrorNotification(true)) {
 423                    databaseBackend.updateAccount(account);
 424                }
 425                mMessageArchiveService.executePendingQueries(account);
 426                if (connection != null && connection.getFeatures().csi()) {
 427                    if (checkListeners()) {
 428                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 429                        connection.sendInactive();
 430                    } else {
 431                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 432                        connection.sendActive();
 433                    }
 434                }
 435                List<Conversation> conversations = getConversations();
 436                for (Conversation conversation : conversations) {
 437                    final boolean inProgressJoin;
 438                    synchronized (account.inProgressConferenceJoins) {
 439                        inProgressJoin = account.inProgressConferenceJoins.contains(conversation);
 440                    }
 441                    final boolean pendingJoin;
 442                    synchronized (account.pendingConferenceJoins) {
 443                        pendingJoin = account.pendingConferenceJoins.contains(conversation);
 444                    }
 445                    if (conversation.getAccount() == account
 446                            && !pendingJoin
 447                            && !inProgressJoin) {
 448                        sendUnsentMessages(conversation);
 449                    }
 450                }
 451                final List<Conversation> pendingLeaves;
 452                synchronized (account.pendingConferenceLeaves) {
 453                    pendingLeaves = new ArrayList<>(account.pendingConferenceLeaves);
 454                    account.pendingConferenceLeaves.clear();
 455
 456                }
 457                for (Conversation conversation : pendingLeaves) {
 458                    leaveMuc(conversation);
 459                }
 460                final List<Conversation> pendingJoins;
 461                synchronized (account.pendingConferenceJoins) {
 462                    pendingJoins = new ArrayList<>(account.pendingConferenceJoins);
 463                    account.pendingConferenceJoins.clear();
 464                }
 465                for (Conversation conversation : pendingJoins) {
 466                    joinMuc(conversation);
 467                }
 468                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 469            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 470                resetSendingToWaiting(account);
 471                if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 472                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 473                    reconnectAccount(account, true, false);
 474                } else {
 475                    final int timeToReconnect = SECURE_RANDOM.nextInt(10) + 2;
 476                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 477                }
 478            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 479                databaseBackend.updateAccount(account);
 480                reconnectAccount(account, true, false);
 481            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 482                resetSendingToWaiting(account);
 483                if (connection != null && account.getStatus().isAttemptReconnect()) {
 484                    final int next = connection.getTimeToNextAttempt();
 485                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 486                    if (next <= 0) {
 487                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + lowPingTimeoutMode);
 488                        reconnectAccount(account, true, false);
 489                    } else {
 490                        final int attempt = connection.getAttempt() + 1;
 491                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + lowPingTimeoutMode);
 492                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 493                    }
 494                }
 495            }
 496            getNotificationService().updateErrorNotification();
 497        }
 498    };
 499    private OpenPgpServiceConnection pgpServiceConnection;
 500    private PgpEngine mPgpEngine = null;
 501    private WakeLock wakeLock;
 502    private LruCache<String, Bitmap> mBitmapCache;
 503    private LruCache<String, Drawable> mDrawableCache;
 504    private final BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 505    private final BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 506
 507    private static String generateFetchKey(Account account, final Avatar avatar) {
 508        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 509    }
 510
 511    private boolean isInLowPingTimeoutMode(Account account) {
 512        synchronized (mLowPingTimeoutMode) {
 513            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 514        }
 515    }
 516
 517    public void startForcingForegroundNotification() {
 518        mForceForegroundService.set(true);
 519        toggleForegroundService();
 520    }
 521
 522    public void stopForcingForegroundNotification() {
 523        mForceForegroundService.set(false);
 524        toggleForegroundService();
 525    }
 526
 527    public boolean areMessagesInitialized() {
 528        return this.restoredFromDatabaseLatch.getCount() == 0;
 529    }
 530
 531    public PgpEngine getPgpEngine() {
 532        if (!Config.supportOpenPgp()) {
 533            return null;
 534        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 535            if (this.mPgpEngine == null) {
 536                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 537                        getApplicationContext(),
 538                        pgpServiceConnection.getService()), this);
 539            }
 540            return mPgpEngine;
 541        } else {
 542            return null;
 543        }
 544
 545    }
 546
 547    public OpenPgpApi getOpenPgpApi() {
 548        if (!Config.supportOpenPgp()) {
 549            return null;
 550        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 551            return new OpenPgpApi(this, pgpServiceConnection.getService());
 552        } else {
 553            return null;
 554        }
 555    }
 556
 557    public FileBackend getFileBackend() {
 558        return this.fileBackend;
 559    }
 560
 561    public DownloadableFile getFileForCid(Cid cid) {
 562        return this.databaseBackend.getFileForCid(cid);
 563    }
 564
 565    public String getUrlForCid(Cid cid) {
 566        return this.databaseBackend.getUrlForCid(cid);
 567    }
 568
 569    public void saveCid(Cid cid, File file) throws BlockedMediaException {
 570        saveCid(cid, file, null);
 571    }
 572
 573    public void saveCid(Cid cid, File file, String url) throws BlockedMediaException {
 574        if (this.databaseBackend.isBlockedMedia(cid)) {
 575            throw new BlockedMediaException();
 576        }
 577        this.databaseBackend.saveCid(cid, file, url);
 578    }
 579
 580    public void blockMedia(File f) {
 581        try {
 582            Cid[] cids = getFileBackend().calculateCids(new FileInputStream(f));
 583            for (Cid cid : cids) {
 584                blockMedia(cid);
 585            }
 586        } catch (final IOException e) { }
 587    }
 588
 589    public void blockMedia(Cid cid) {
 590        this.databaseBackend.blockMedia(cid);
 591    }
 592
 593    public void clearBlockedMedia() {
 594        this.databaseBackend.clearBlockedMedia();
 595    }
 596
 597    public AvatarService getAvatarService() {
 598        return this.mAvatarService;
 599    }
 600
 601    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 602        int encryption = conversation.getNextEncryption();
 603        if (encryption == Message.ENCRYPTION_PGP) {
 604            encryption = Message.ENCRYPTION_DECRYPTED;
 605        }
 606        Message message = new Message(conversation, uri.toString(), encryption);
 607        message.setThread(conversation.getThread());
 608        Message.configurePrivateMessage(message);
 609        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 610            getPgpEngine().encrypt(message, callback);
 611        } else {
 612            sendMessage(message);
 613            callback.success(message);
 614        }
 615    }
 616
 617    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 618        final Message message;
 619        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 620            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 621        } else {
 622            message = new Message(conversation, "", conversation.getNextEncryption());
 623        }
 624        message.setThread(conversation.getThread());
 625        if (!Message.configurePrivateFileMessage(message)) {
 626            message.setCounterpart(conversation.getNextCounterpart());
 627            message.setType(Message.TYPE_FILE);
 628        }
 629        Log.d(Config.LOGTAG, "attachFile: type=" + message.getType());
 630        Log.d(Config.LOGTAG, "counterpart=" + message.getCounterpart());
 631        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 632        if (runnable.isVideoMessage()) {
 633            VIDEO_COMPRESSION_EXECUTOR.execute(runnable);
 634        } else {
 635            FILE_ATTACHMENT_EXECUTOR.execute(runnable);
 636        }
 637    }
 638
 639    public void attachImageToConversation(final Conversation conversation, final Uri uri,  final String type, final UiCallback<Message> callback) {
 640        final String mimeType = MimeUtils.guessMimeTypeFromUriAndMime(this, uri, type);
 641        final String compressPictures = getCompressPicturesPreference();
 642
 643        if ("never".equals(compressPictures)
 644                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 645                || (mimeType != null && mimeType.endsWith("/gif"))
 646                || getFileBackend().unusualBounds(uri)) {
 647            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 648            attachFileToConversation(conversation, uri, mimeType, callback);
 649            return;
 650        }
 651        final Message message;
 652        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 653            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 654        } else {
 655            message = new Message(conversation, "", conversation.getNextEncryption());
 656        }
 657        message.setThread(conversation.getThread());
 658        if (!Message.configurePrivateFileMessage(message)) {
 659            message.setCounterpart(conversation.getNextCounterpart());
 660            message.setType(Message.TYPE_IMAGE);
 661        }
 662        Log.d(Config.LOGTAG, "attachImage: type=" + message.getType());
 663        FILE_ATTACHMENT_EXECUTOR.execute(() -> {
 664            try {
 665                getFileBackend().copyImageToPrivateStorage(message, uri);
 666            } catch (FileBackend.ImageCompressionException e) {
 667                Log.d(Config.LOGTAG, "unable to compress image. fall back to file transfer", e);
 668                attachFileToConversation(conversation, uri, mimeType, callback);
 669                return;
 670            } catch (final FileBackend.FileCopyException e) {
 671                callback.error(e.getResId(), message);
 672                return;
 673            }
 674            if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 675                final PgpEngine pgpEngine = getPgpEngine();
 676                if (pgpEngine != null) {
 677                    pgpEngine.encrypt(message, callback);
 678                } else if (callback != null) {
 679                    callback.error(R.string.unable_to_connect_to_keychain, null);
 680                }
 681            } else {
 682                sendMessage(message);
 683                callback.success(message);
 684            }
 685        });
 686    }
 687
 688    public Conversation find(Bookmark bookmark) {
 689        return find(bookmark.getAccount(), bookmark.getJid());
 690    }
 691
 692    public Conversation find(final Account account, final Jid jid) {
 693        return find(getConversations(), account, jid);
 694    }
 695
 696    public boolean isMuc(final Account account, final Jid jid) {
 697        final Conversation c = find(account, jid);
 698        return c != null && c.getMode() == Conversational.MODE_MULTI;
 699    }
 700
 701    public void search(final List<String> term, final String uuid, final OnSearchResultsAvailable onSearchResultsAvailable) {
 702        MessageSearchTask.search(this, term, uuid, onSearchResultsAvailable);
 703    }
 704
 705    @Override
 706    public int onStartCommand(Intent intent, int flags, int startId) {
 707        final String action = intent == null ? null : intent.getAction();
 708        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 709        if (needsForegroundService) {
 710            Log.d(Config.LOGTAG, "toggle forced foreground service after receiving event (action=" + action + ")");
 711            toggleForegroundService(true);
 712        }
 713        String pushedAccountHash = null;
 714        boolean interactive = false;
 715        if (action != null) {
 716            final String uuid = intent.getStringExtra("uuid");
 717            switch (action) {
 718                case QuickConversationsService.SMS_RETRIEVED_ACTION:
 719                    mQuickConversationsService.handleSmsReceived(intent);
 720                    break;
 721                case ConnectivityManager.CONNECTIVITY_ACTION:
 722                    if (hasInternetConnection()) {
 723                        if (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0) {
 724                            schedulePostConnectivityChange();
 725                        }
 726                        if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 727                            resetAllAttemptCounts(true, false);
 728                        }
 729                        Resolver.clearCache();
 730                    }
 731                    break;
 732                case Intent.ACTION_SHUTDOWN:
 733                    logoutAndSave(true);
 734                    return START_NOT_STICKY;
 735                case ACTION_CLEAR_MESSAGE_NOTIFICATION:
 736                    mNotificationExecutor.execute(() -> {
 737                        try {
 738                            final Conversation c = findConversationByUuid(uuid);
 739                            if (c != null) {
 740                                mNotificationService.clearMessages(c);
 741                            } else {
 742                                mNotificationService.clearMessages();
 743                            }
 744                            restoredFromDatabaseLatch.await();
 745
 746                        } catch (InterruptedException e) {
 747                            Log.d(Config.LOGTAG, "unable to process clear message notification");
 748                        }
 749                    });
 750                    break;
 751                case ACTION_CLEAR_MISSED_CALL_NOTIFICATION:
 752                    mNotificationExecutor.execute(() -> {
 753                        try {
 754                            final Conversation c = findConversationByUuid(uuid);
 755                            if (c != null) {
 756                                mNotificationService.clearMissedCalls(c);
 757                            } else {
 758                                mNotificationService.clearMissedCalls();
 759                            }
 760                            restoredFromDatabaseLatch.await();
 761
 762                        } catch (InterruptedException e) {
 763                            Log.d(Config.LOGTAG, "unable to process clear missed call notification");
 764                        }
 765                    });
 766                    break;
 767                case ACTION_DISMISS_CALL: {
 768                    final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 769                    Log.d(Config.LOGTAG, "received intent to dismiss call with session id " + sessionId);
 770                    mJingleConnectionManager.rejectRtpSession(sessionId);
 771                    break;
 772                }
 773                case TorServiceUtils.ACTION_STATUS:
 774                    final String status = intent.getStringExtra(TorServiceUtils.EXTRA_STATUS);
 775                    //TODO port and host are in 'extras' - but this may not be a reliable source?
 776                    if ("ON".equals(status)) {
 777                        handleOrbotStartedEvent();
 778                        return START_STICKY;
 779                    }
 780                    break;
 781                case ACTION_END_CALL: {
 782                    final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 783                    Log.d(Config.LOGTAG, "received intent to end call with session id " + sessionId);
 784                    mJingleConnectionManager.endRtpSession(sessionId);
 785                }
 786                break;
 787                case ACTION_PROVISION_ACCOUNT: {
 788                    final String address = intent.getStringExtra("address");
 789                    final String password = intent.getStringExtra("password");
 790                    if (QuickConversationsService.isQuicksy() || Strings.isNullOrEmpty(address) || Strings.isNullOrEmpty(password)) {
 791                        break;
 792                    }
 793                    provisionAccount(address, password);
 794                    break;
 795                }
 796                case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 797                    dismissErrorNotifications();
 798                    break;
 799                case ACTION_TRY_AGAIN:
 800                    resetAllAttemptCounts(false, true);
 801                    interactive = true;
 802                    break;
 803                case ACTION_REPLY_TO_CONVERSATION:
 804                    Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 805                    if (remoteInput == null) {
 806                        break;
 807                    }
 808                    final CharSequence body = remoteInput.getCharSequence("text_reply");
 809                    final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 810                    final String lastMessageUuid = intent.getStringExtra("last_message_uuid");
 811                    if (body == null || body.length() <= 0) {
 812                        break;
 813                    }
 814                    mNotificationExecutor.execute(() -> {
 815                        try {
 816                            restoredFromDatabaseLatch.await();
 817                            final Conversation c = findConversationByUuid(uuid);
 818                            if (c != null) {
 819                                directReply(c, body.toString(), lastMessageUuid, dismissNotification);
 820                            }
 821                        } catch (InterruptedException e) {
 822                            Log.d(Config.LOGTAG, "unable to process direct reply");
 823                        }
 824                    });
 825                    break;
 826                case ACTION_MARK_AS_READ:
 827                    mNotificationExecutor.execute(() -> {
 828                        final Conversation c = findConversationByUuid(uuid);
 829                        if (c == null) {
 830                            Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 831                            return;
 832                        }
 833                        try {
 834                            restoredFromDatabaseLatch.await();
 835                            sendReadMarker(c, null);
 836                        } catch (InterruptedException e) {
 837                            Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 838                        }
 839
 840                    });
 841                    break;
 842                case ACTION_SNOOZE:
 843                    mNotificationExecutor.execute(() -> {
 844                        final Conversation c = findConversationByUuid(uuid);
 845                        if (c == null) {
 846                            Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 847                            return;
 848                        }
 849                        c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 850                        mNotificationService.clearMessages(c);
 851                        updateConversation(c);
 852                    });
 853                case AudioManager.RINGER_MODE_CHANGED_ACTION:
 854                case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 855                    if (dndOnSilentMode()) {
 856                        refreshAllPresences();
 857                    }
 858                    break;
 859                case Intent.ACTION_SCREEN_ON:
 860                    deactivateGracePeriod();
 861                case Intent.ACTION_USER_PRESENT:
 862                case Intent.ACTION_SCREEN_OFF:
 863                    if (awayWhenScreenLocked()) {
 864                        refreshAllPresences();
 865                    }
 866                    break;
 867                case ACTION_FCM_TOKEN_REFRESH:
 868                    refreshAllFcmTokens();
 869                    break;
 870                case ACTION_RENEW_UNIFIED_PUSH_ENDPOINTS:
 871                    final String instance = intent.getStringExtra("instance");
 872                    final Optional<UnifiedPushBroker.Transport> transport = renewUnifiedPushEndpoints();
 873                    if (instance != null && transport.isPresent()) {
 874                        unifiedPushBroker.rebroadcastEndpoint(instance, transport.get());
 875                    }
 876                    break;
 877                case ACTION_IDLE_PING:
 878                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 879                        scheduleNextIdlePing();
 880                    }
 881                    break;
 882                case ACTION_FCM_MESSAGE_RECEIVED:
 883                    pushedAccountHash = intent.getStringExtra("account");
 884                    Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 885                    break;
 886                case Intent.ACTION_SEND:
 887                    Uri uri = intent.getData();
 888                    if (uri != null) {
 889                        Log.d(Config.LOGTAG, "received uri permission for " + uri);
 890                    }
 891                    return START_STICKY;
 892            }
 893        }
 894        synchronized (this) {
 895            WakeLockHelper.acquire(wakeLock);
 896            boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action) || (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0 && ACTION_POST_CONNECTIVITY_CHANGE.equals(action));
 897            final HashSet<Account> pingCandidates = new HashSet<>();
 898            final String androidId = PhoneHelper.getAndroidId(this);
 899            for (Account account : accounts) {
 900                final boolean pushWasMeantForThisAccount = CryptoHelper.getAccountFingerprint(account, androidId).equals(pushedAccountHash);
 901                pingNow |= processAccountState(account,
 902                        interactive,
 903                        "ui".equals(action),
 904                        pushWasMeantForThisAccount,
 905                        pingCandidates);
 906            }
 907            if (pingNow) {
 908                for (Account account : pingCandidates) {
 909                    final boolean lowTimeout = isInLowPingTimeoutMode(account);
 910                    account.getXmppConnection().sendPing();
 911                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + lowTimeout + ")");
 912                    scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 913                }
 914            }
 915            WakeLockHelper.release(wakeLock);
 916        }
 917        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 918            expireOldMessages();
 919        }
 920        return START_STICKY;
 921    }
 922
 923    private void handleOrbotStartedEvent() {
 924        for (final Account account : accounts) {
 925            if (account.getStatus() == Account.State.TOR_NOT_AVAILABLE) {
 926                reconnectAccount(account, true, false);
 927            }
 928        }
 929    }
 930
 931    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 932        boolean pingNow = false;
 933        if (account.getStatus().isAttemptReconnect()) {
 934            if (!hasInternetConnection()) {
 935                account.setStatus(Account.State.NO_INTERNET);
 936                if (statusListener != null) {
 937                    statusListener.onStatusChanged(account);
 938                }
 939            } else {
 940                if (account.getStatus() == Account.State.NO_INTERNET) {
 941                    account.setStatus(Account.State.OFFLINE);
 942                    if (statusListener != null) {
 943                        statusListener.onStatusChanged(account);
 944                    }
 945                }
 946                if (account.getStatus() == Account.State.ONLINE) {
 947                    synchronized (mLowPingTimeoutMode) {
 948                        long lastReceived = account.getXmppConnection().getLastPacketReceived();
 949                        long lastSent = account.getXmppConnection().getLastPingSent();
 950                        long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 951                        long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 952                        int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 953                        long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 954                        if (lastSent > lastReceived) {
 955                            if (pingTimeoutIn < 0) {
 956                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 957                                this.reconnectAccount(account, true, interactive);
 958                            } else {
 959                                int secs = (int) (pingTimeoutIn / 1000);
 960                                this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 961                            }
 962                        } else {
 963                            pingCandidates.add(account);
 964                            if (isAccountPushed) {
 965                                pingNow = true;
 966                                if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 967                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 968                                }
 969                            } else if (msToNextPing <= 0) {
 970                                pingNow = true;
 971                            } else {
 972                                this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 973                                if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 974                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 975                                }
 976                            }
 977                        }
 978                    }
 979                } else if (account.getStatus() == Account.State.OFFLINE) {
 980                    reconnectAccount(account, true, interactive);
 981                } else if (account.getStatus() == Account.State.CONNECTING) {
 982                    long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 983                    long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 984                    long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 985                    long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 986                    if (timeout < 0) {
 987                        Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
 988                        account.getXmppConnection().resetAttemptCount(false);
 989                        reconnectAccount(account, true, interactive);
 990                    } else if (discoTimeout < 0) {
 991                        account.getXmppConnection().sendDiscoTimeout();
 992                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 993                    } else {
 994                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 995                    }
 996                } else {
 997                    if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 998                        reconnectAccount(account, true, interactive);
 999                    }
1000                }
1001            }
1002        }
1003        return pingNow;
1004    }
1005
1006    public boolean processUnifiedPushMessage(final Account account, final Jid transport, final Element push) {
1007        return unifiedPushBroker.processPushMessage(account, transport, push);
1008    }
1009
1010    public void reinitializeMuclumbusService() {
1011        mChannelDiscoveryService.initializeMuclumbusService();
1012    }
1013
1014    public void discoverChannels(String query, ChannelDiscoveryService.Method method, ChannelDiscoveryService.OnChannelSearchResultsFound onChannelSearchResultsFound) {
1015        mChannelDiscoveryService.discover(Strings.nullToEmpty(query).trim(), method, onChannelSearchResultsFound);
1016    }
1017
1018    public boolean isDataSaverDisabled() {
1019        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1020            final ConnectivityManager connectivityManager =
1021                    (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
1022            return !connectivityManager.isActiveNetworkMetered()
1023                    || Compatibility.getRestrictBackgroundStatus(connectivityManager)
1024                            == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
1025        } else {
1026            return true;
1027        }
1028    }
1029
1030    private void directReply(final Conversation conversation, final String body, final String lastMessageUuid, final boolean dismissAfterReply) {
1031        final Message inReplyTo = lastMessageUuid == null ? null : conversation.findMessageWithUuid(lastMessageUuid);
1032        final Message message = new Message(conversation, body, conversation.getNextEncryption());
1033        if (inReplyTo != null) message.setThread(inReplyTo.getThread());
1034        if (inReplyTo != null && inReplyTo.isPrivateMessage()) {
1035            Message.configurePrivateMessage(message, inReplyTo.getCounterpart());
1036        }
1037        message.markUnread();
1038        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
1039            getPgpEngine().encrypt(message, new UiCallback<Message>() {
1040                @Override
1041                public void success(Message message) {
1042                    if (dismissAfterReply) {
1043                        markRead((Conversation) message.getConversation(), true);
1044                    } else {
1045                        mNotificationService.pushFromDirectReply(message);
1046                    }
1047                }
1048
1049                @Override
1050                public void error(int errorCode, Message object) {
1051
1052                }
1053
1054                @Override
1055                public void userInputRequired(PendingIntent pi, Message object) {
1056
1057                }
1058            });
1059        } else {
1060            sendMessage(message);
1061            if (dismissAfterReply) {
1062                markRead(conversation, true);
1063            } else {
1064                mNotificationService.pushFromDirectReply(message);
1065            }
1066        }
1067    }
1068
1069    private boolean dndOnSilentMode() {
1070        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
1071    }
1072
1073    private boolean manuallyChangePresence() {
1074        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
1075    }
1076
1077    private boolean treatVibrateAsSilent() {
1078        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
1079    }
1080
1081    private boolean awayWhenScreenLocked() {
1082        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
1083    }
1084
1085    private String getCompressPicturesPreference() {
1086        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
1087    }
1088
1089    private Presence.Status getTargetPresence() {
1090        if (dndOnSilentMode() && isPhoneSilenced()) {
1091            return Presence.Status.DND;
1092        } else if (awayWhenScreenLocked() && isScreenLocked()) {
1093            return Presence.Status.AWAY;
1094        } else {
1095            return Presence.Status.ONLINE;
1096        }
1097    }
1098
1099    public boolean isScreenLocked() {
1100        final KeyguardManager keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
1101        final PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
1102        final boolean locked = keyguardManager != null && keyguardManager.isKeyguardLocked();
1103        final boolean interactive = powerManager != null && powerManager.isInteractive();
1104        return locked || !interactive;
1105    }
1106
1107    private boolean isPhoneSilenced() {
1108        final boolean notificationDnd;
1109        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1110            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
1111            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
1112            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
1113        } else {
1114            notificationDnd = false;
1115        }
1116        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
1117        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
1118        try {
1119            if (treatVibrateAsSilent()) {
1120                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
1121            } else {
1122                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
1123            }
1124        } catch (Throwable throwable) {
1125            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
1126            return notificationDnd;
1127        }
1128    }
1129
1130    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
1131        Log.d(Config.LOGTAG, "resetting all attempt counts");
1132        for (Account account : accounts) {
1133            if (account.hasErrorStatus() || reallyAll) {
1134                final XmppConnection connection = account.getXmppConnection();
1135                if (connection != null) {
1136                    connection.resetAttemptCount(retryImmediately);
1137                }
1138            }
1139            if (account.setShowErrorNotification(true)) {
1140                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1141            }
1142        }
1143        mNotificationService.updateErrorNotification();
1144    }
1145
1146    private void dismissErrorNotifications() {
1147        for (final Account account : this.accounts) {
1148            if (account.hasErrorStatus()) {
1149                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
1150                if (account.setShowErrorNotification(false)) {
1151                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1152                }
1153            }
1154        }
1155    }
1156
1157    private void expireOldMessages() {
1158        expireOldMessages(false);
1159    }
1160
1161    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1162        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1163        mDatabaseWriterExecutor.execute(() -> {
1164            long timestamp = getAutomaticMessageDeletionDate();
1165            if (timestamp > 0) {
1166                databaseBackend.expireOldMessages(timestamp);
1167                synchronized (XmppConnectionService.this.conversations) {
1168                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1169                        conversation.expireOldMessages(timestamp);
1170                        if (resetHasMessagesLeftOnServer) {
1171                            conversation.messagesLoaded.set(true);
1172                            conversation.setHasMessagesLeftOnServer(true);
1173                        }
1174                    }
1175                }
1176                updateConversationUi();
1177            }
1178        });
1179    }
1180
1181    public boolean hasInternetConnection() {
1182        final ConnectivityManager cm = ContextCompat.getSystemService(this, ConnectivityManager.class);
1183        if (cm == null) {
1184            return true; //if internet connection can not be checked it is probably best to just try
1185        }
1186        try {
1187            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
1188                final Network activeNetwork = cm.getActiveNetwork();
1189                final NetworkCapabilities capabilities = activeNetwork == null ? null : cm.getNetworkCapabilities(activeNetwork);
1190                return capabilities != null && capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
1191            } else {
1192                final NetworkInfo networkInfo = cm.getActiveNetworkInfo();
1193                return networkInfo != null && (networkInfo.isConnected() || networkInfo.getType() == ConnectivityManager.TYPE_ETHERNET);
1194            }
1195        } catch (final RuntimeException e) {
1196            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1197            return true; //if internet connection can not be checked it is probably best to just try
1198        }
1199    }
1200
1201    @SuppressLint("TrulyRandom")
1202    @Override
1203    public void onCreate() {
1204        setTheme(ThemeHelper.find(this));
1205        ThemeHelper.applyCustomColors(this);
1206        if (Compatibility.runsTwentySix()) {
1207            mNotificationService.initializeChannels();
1208        }
1209        mChannelDiscoveryService.initializeMuclumbusService();
1210        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1211        toggleForegroundService();
1212        this.destroyed = false;
1213        OmemoSetting.load(this);
1214        ExceptionHelper.init(getApplicationContext());
1215        try {
1216            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1217        } catch (Throwable throwable) {
1218            Log.e(Config.LOGTAG, "unable to initialize security provider", throwable);
1219        }
1220        Resolver.init(this);
1221        updateMemorizingTrustmanager();
1222        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1223        final int cacheSize = maxMemory / 9;
1224        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
1225            @Override
1226            protected int sizeOf(final String key, final Bitmap bitmap) {
1227                return bitmap.getByteCount() / 1024;
1228            }
1229        };
1230        this.mDrawableCache = new LruCache<String, Drawable>(cacheSize) {
1231            @Override
1232            protected int sizeOf(final String key, final Drawable drawable) {
1233                if (drawable instanceof BitmapDrawable) {
1234                    return ((BitmapDrawable) drawable).getBitmap().getByteCount() / 1024;
1235                } else {
1236                    return drawable.getIntrinsicWidth() * drawable.getIntrinsicHeight() * 40 / 1024;
1237                }
1238            }
1239        };
1240        if (mLastActivity == 0) {
1241            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1242        }
1243
1244        Log.d(Config.LOGTAG, "initializing database...");
1245        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1246        Log.d(Config.LOGTAG, "restoring accounts...");
1247        this.accounts = databaseBackend.getAccounts();
1248        final SharedPreferences.Editor editor = getPreferences().edit();
1249        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1250            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1251            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1252        }
1253        final boolean hasEnabledAccounts = hasEnabledAccounts();
1254        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1255        editor.apply();
1256        toggleSetProfilePictureActivity(hasEnabledAccounts);
1257        reconfigurePushDistributor();
1258
1259        restoreFromDatabase();
1260
1261        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1262            startContactObserver();
1263        }
1264        FILE_OBSERVER_EXECUTOR.execute(fileBackend::deleteHistoricAvatarPath);
1265        if (Compatibility.hasStoragePermission(this)) {
1266            Log.d(Config.LOGTAG, "starting file observer");
1267            FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::startWatching);
1268            FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1269        }
1270        if (Config.supportOpenPgp()) {
1271            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1272                @Override
1273                public void onBound(IOpenPgpService2 service) {
1274                    for (Account account : accounts) {
1275                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1276                        if (pgp != null) {
1277                            pgp.continueDecryption(true);
1278                        }
1279                    }
1280                }
1281
1282                @Override
1283                public void onError(Exception e) {
1284                }
1285            });
1286            this.pgpServiceConnection.bindToService();
1287        }
1288
1289        final PowerManager pm = ContextCompat.getSystemService(this, PowerManager.class);
1290        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1291
1292        toggleForegroundService();
1293        updateUnreadCountBadge();
1294        toggleScreenEventReceiver();
1295        final IntentFilter intentFilter = new IntentFilter();
1296        intentFilter.addAction(TorServiceUtils.ACTION_STATUS);
1297        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1298            scheduleNextIdlePing();
1299            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1300                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1301            }
1302            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1303        }
1304        registerReceiver(this.mInternalEventReceiver, intentFilter);
1305        mForceDuringOnCreate.set(false);
1306        toggleForegroundService();
1307        setupPhoneStateListener();
1308    }
1309
1310
1311    private void setupPhoneStateListener() {
1312        final TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
1313        if (telephonyManager == null || Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
1314            return;
1315        }
1316        telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
1317    }
1318
1319    public boolean isPhoneInCall() {
1320        return isPhoneInCall.get();
1321    }
1322
1323    private void checkForDeletedFiles() {
1324        if (destroyed) {
1325            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1326            return;
1327        }
1328        final long start = SystemClock.elapsedRealtime();
1329        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1330        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1331        for (final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1332            if (destroyed) {
1333                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1334                return;
1335            }
1336            final File file = fileBackend.getFileForPath(filePath.path);
1337            if (filePath.setDeleted(!file.exists())) {
1338                changed.add(filePath);
1339            }
1340        }
1341        final long duration = SystemClock.elapsedRealtime() - start;
1342        Log.d(Config.LOGTAG, "found " + changed.size() + " changed files on start up. total=" + relativeFilePaths.size() + ". (" + duration + "ms)");
1343        if (changed.size() > 0) {
1344            databaseBackend.markFilesAsChanged(changed);
1345            markChangedFiles(changed);
1346        }
1347    }
1348
1349    public void startContactObserver() {
1350        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1351            @Override
1352            public void onChange(boolean selfChange) {
1353                super.onChange(selfChange);
1354                if (restoredFromDatabaseLatch.getCount() == 0) {
1355                    loadPhoneContacts();
1356                }
1357            }
1358        });
1359    }
1360
1361    @Override
1362    public void onTrimMemory(int level) {
1363        super.onTrimMemory(level);
1364        if (level >= TRIM_MEMORY_COMPLETE) {
1365            Log.d(Config.LOGTAG, "clear cache due to low memory");
1366            getBitmapCache().evictAll();
1367        }
1368    }
1369
1370    @Override
1371    public void onDestroy() {
1372        try {
1373            unregisterReceiver(this.mInternalEventReceiver);
1374            unregisterReceiver(this.mInternalScreenEventReceiver);
1375        } catch (final IllegalArgumentException e) {
1376            //ignored
1377        }
1378        destroyed = false;
1379        fileObserver.stopWatching();
1380        super.onDestroy();
1381    }
1382
1383    public void restartFileObserver() {
1384        Log.d(Config.LOGTAG, "restarting file observer");
1385        FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::restartWatching);
1386        FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1387    }
1388
1389    public void toggleScreenEventReceiver() {
1390        if (awayWhenScreenLocked() && !manuallyChangePresence()) {
1391            final IntentFilter filter = new IntentFilter();
1392            filter.addAction(Intent.ACTION_SCREEN_ON);
1393            filter.addAction(Intent.ACTION_SCREEN_OFF);
1394            filter.addAction(Intent.ACTION_USER_PRESENT);
1395            registerReceiver(this.mInternalScreenEventReceiver, filter);
1396        } else {
1397            try {
1398                unregisterReceiver(this.mInternalScreenEventReceiver);
1399            } catch (IllegalArgumentException e) {
1400                //ignored
1401            }
1402        }
1403    }
1404
1405    public void toggleForegroundService() {
1406        toggleForegroundService(false);
1407    }
1408
1409    public void setOngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
1410        ongoingCall.set(new OngoingCall(id, media, reconnecting));
1411        toggleForegroundService(false);
1412    }
1413
1414    public void removeOngoingCall() {
1415        ongoingCall.set(null);
1416        toggleForegroundService(false);
1417    }
1418
1419    private void toggleForegroundService(boolean force) {
1420        final boolean status;
1421        final OngoingCall ongoing = ongoingCall.get();
1422        final boolean showOngoing = ongoing != null && !diallerIntegrationActive.get();
1423        if (force || mForceDuringOnCreate.get() || mForceForegroundService.get() || showOngoing || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1424            final Notification notification;
1425            final int id;
1426            if (showOngoing) {
1427                notification = this.mNotificationService.getOngoingCallNotification(ongoing);
1428                id = NotificationService.ONGOING_CALL_NOTIFICATION_ID;
1429                startForeground(id, notification);
1430                mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1431            } else {
1432                notification = this.mNotificationService.createForegroundNotification();
1433                id = NotificationService.FOREGROUND_NOTIFICATION_ID;
1434                startForeground(id, notification);
1435            }
1436
1437            if (!mForceForegroundService.get()) {
1438                mNotificationService.notify(id, notification);
1439            }
1440            status = true;
1441        } else {
1442            stopForeground(true);
1443            status = false;
1444        }
1445        if (!mForceForegroundService.get()) {
1446            mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1447        }
1448        if (!showOngoing) {
1449            mNotificationService.cancel(NotificationService.ONGOING_CALL_NOTIFICATION_ID);
1450        }
1451        Log.d(Config.LOGTAG, "ForegroundService: " + (status ? "on" : "off"));
1452    }
1453
1454    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1455        return !mForceForegroundService.get() && ongoingCall.get() == null && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1456    }
1457
1458    @Override
1459    public void onTaskRemoved(final Intent rootIntent) {
1460        super.onTaskRemoved(rootIntent);
1461        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get() || ongoingCall.get() != null) {
1462            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1463        } else {
1464            this.logoutAndSave(false);
1465        }
1466    }
1467
1468    private void logoutAndSave(boolean stop) {
1469        int activeAccounts = 0;
1470        for (final Account account : accounts) {
1471            if (account.getStatus() != Account.State.DISABLED) {
1472                databaseBackend.writeRoster(account.getRoster());
1473                activeAccounts++;
1474            }
1475            if (account.getXmppConnection() != null) {
1476                new Thread(() -> disconnect(account, false)).start();
1477            }
1478        }
1479        if (stop || activeAccounts == 0) {
1480            Log.d(Config.LOGTAG, "good bye");
1481            stopSelf();
1482        }
1483    }
1484
1485    private void schedulePostConnectivityChange() {
1486        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1487        if (alarmManager == null) {
1488            return;
1489        }
1490        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1491        final Intent intent = new Intent(this, EventReceiver.class);
1492        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1493        try {
1494            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, s()
1495                    ? PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT
1496                    : PendingIntent.FLAG_UPDATE_CURRENT);
1497            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1498                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1499            } else {
1500                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1501            }
1502        } catch (RuntimeException e) {
1503            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1504        }
1505    }
1506
1507    public void scheduleWakeUpCall(int seconds, int requestCode) {
1508        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000L;
1509        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1510        if (alarmManager == null) {
1511            return;
1512        }
1513        final Intent intent = new Intent(this, EventReceiver.class);
1514        intent.setAction("ping");
1515        try {
1516            final PendingIntent pendingIntent;
1517            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1518                pendingIntent =
1519                        PendingIntent.getBroadcast(
1520                                this, requestCode, intent, PendingIntent.FLAG_IMMUTABLE);
1521            } else {
1522                pendingIntent =
1523                        PendingIntent.getBroadcast(
1524                                this, requestCode, intent, 0);
1525            }
1526            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1527        } catch (RuntimeException e) {
1528            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1529        }
1530    }
1531
1532    @TargetApi(Build.VERSION_CODES.M)
1533    private void scheduleNextIdlePing() {
1534        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1535        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1536        if (alarmManager == null) {
1537            return;
1538        }
1539        final Intent intent = new Intent(this, EventReceiver.class);
1540        intent.setAction(ACTION_IDLE_PING);
1541        try {
1542            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, s()
1543                    ? PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT
1544                    : PendingIntent.FLAG_UPDATE_CURRENT);
1545            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1546        } catch (RuntimeException e) {
1547            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1548        }
1549    }
1550
1551    public XmppConnection createConnection(final Account account) {
1552        final XmppConnection connection = new XmppConnection(account, this);
1553        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1554        connection.setOnStatusChangedListener(this.statusListener);
1555        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1556        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1557        connection.setOnJinglePacketReceivedListener((mJingleConnectionManager::deliverPacket));
1558        connection.setOnBindListener(this.mOnBindListener);
1559        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1560        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1561        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1562        AxolotlService axolotlService = account.getAxolotlService();
1563        if (axolotlService != null) {
1564            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1565        }
1566        return connection;
1567    }
1568
1569    public void sendChatState(Conversation conversation) {
1570        if (sendChatStates()) {
1571            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1572            sendMessagePacket(conversation.getAccount(), packet);
1573        }
1574    }
1575
1576    private void sendFileMessage(final Message message, final boolean delay) {
1577        Log.d(Config.LOGTAG, "send file message");
1578        final Account account = message.getConversation().getAccount();
1579        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1580                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1581            mHttpConnectionManager.createNewUploadConnection(message, delay);
1582        } else {
1583            mJingleConnectionManager.startJingleFileTransfer(message);
1584        }
1585    }
1586
1587    public void sendMessage(final Message message) {
1588        sendMessage(message, false, false);
1589    }
1590
1591    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1592        final Account account = message.getConversation().getAccount();
1593        if (account.setShowErrorNotification(true)) {
1594            databaseBackend.updateAccount(account);
1595            mNotificationService.updateErrorNotification();
1596        }
1597        final Conversation conversation = (Conversation) message.getConversation();
1598        account.deactivateGracePeriod();
1599
1600
1601        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1602            final Contact contact = conversation.getContact();
1603            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1604                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": adding " + contact.getJid() + " on sending message");
1605                createContact(contact, true);
1606            }
1607        }
1608
1609        MessagePacket packet = null;
1610        final boolean addToConversation = !message.edited();
1611        boolean saveInDb = addToConversation;
1612        message.setStatus(Message.STATUS_WAITING);
1613
1614        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1615            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1616                databaseBackend.updateConversation(conversation);
1617            }
1618        }
1619
1620        final boolean inProgressJoin = isJoinInProgress(conversation);
1621
1622        if (message.getCounterpart() == null && !message.isPrivateMessage()) {
1623            message.setCounterpart(message.getConversation().getJid().asBareJid());
1624        }
1625
1626        if (account.isOnlineAndConnected() && !inProgressJoin) {
1627            switch (message.getEncryption()) {
1628                case Message.ENCRYPTION_NONE:
1629                    if (message.needsUploading()) {
1630                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1631                                || conversation.getMode() == Conversation.MODE_MULTI
1632                                || message.fixCounterpart()) {
1633                            this.sendFileMessage(message, delay);
1634                        } else {
1635                            break;
1636                        }
1637                    } else {
1638                        packet = mMessageGenerator.generateChat(message);
1639                    }
1640                    break;
1641                case Message.ENCRYPTION_PGP:
1642                case Message.ENCRYPTION_DECRYPTED:
1643                    if (message.needsUploading()) {
1644                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1645                                || conversation.getMode() == Conversation.MODE_MULTI
1646                                || message.fixCounterpart()) {
1647                            this.sendFileMessage(message, delay);
1648                        } else {
1649                            break;
1650                        }
1651                    } else {
1652                        packet = mMessageGenerator.generatePgpChat(message);
1653                    }
1654                    break;
1655                case Message.ENCRYPTION_AXOLOTL:
1656                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1657                    if (message.needsUploading()) {
1658                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1659                                || conversation.getMode() == Conversation.MODE_MULTI
1660                                || message.fixCounterpart()) {
1661                            this.sendFileMessage(message, delay);
1662                        } else {
1663                            break;
1664                        }
1665                    } else {
1666                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1667                        if (axolotlMessage == null) {
1668                            account.getAxolotlService().preparePayloadMessage(message, delay);
1669                        } else {
1670                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1671                        }
1672                    }
1673                    break;
1674
1675            }
1676            if (packet != null) {
1677                if (account.getXmppConnection().getFeatures().sm()
1678                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1679                    message.setStatus(Message.STATUS_UNSEND);
1680                } else {
1681                    message.setStatus(Message.STATUS_SEND);
1682                }
1683            }
1684        } else {
1685            switch (message.getEncryption()) {
1686                case Message.ENCRYPTION_DECRYPTED:
1687                    if (!message.needsUploading()) {
1688                        String pgpBody = message.getEncryptedBody();
1689                        String decryptedBody = message.getBody();
1690                        message.setBody(pgpBody); //TODO might throw NPE
1691                        message.setEncryption(Message.ENCRYPTION_PGP);
1692                        if (message.edited()) {
1693                            message.setBody(decryptedBody);
1694                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1695                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1696                                Log.e(Config.LOGTAG, "error updated message in DB after edit");
1697                            }
1698                            updateConversationUi();
1699                            return;
1700                        } else {
1701                            databaseBackend.createMessage(message);
1702                            saveInDb = false;
1703                            message.setBody(decryptedBody);
1704                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1705                        }
1706                    }
1707                    break;
1708                case Message.ENCRYPTION_AXOLOTL:
1709                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1710                    break;
1711            }
1712        }
1713
1714
1715        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1716        if (mucMessage) {
1717            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1718        }
1719
1720        if (resend) {
1721            if (packet != null && addToConversation) {
1722                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1723                    markMessage(message, Message.STATUS_UNSEND);
1724                } else {
1725                    markMessage(message, Message.STATUS_SEND);
1726                }
1727            }
1728        } else {
1729            if (addToConversation) {
1730                conversation.add(message);
1731            }
1732            if (saveInDb) {
1733                databaseBackend.createMessage(message);
1734            } else if (message.edited()) {
1735                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1736                    Log.e(Config.LOGTAG, "error updated message in DB after edit");
1737                }
1738            }
1739            updateConversationUi();
1740        }
1741        if (packet != null) {
1742            if (delay) {
1743                mMessageGenerator.addDelay(packet, message.getTimeSent());
1744            }
1745            if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
1746                if (this.sendChatStates()) {
1747                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1748                }
1749            }
1750            sendMessagePacket(account, packet);
1751        }
1752    }
1753
1754    private boolean isJoinInProgress(final Conversation conversation) {
1755        final Account account = conversation.getAccount();
1756        synchronized (account.inProgressConferenceJoins) {
1757            if (conversation.getMode() == Conversational.MODE_MULTI) {
1758                final boolean inProgress = account.inProgressConferenceJoins.contains(conversation);
1759                final boolean pending = account.pendingConferenceJoins.contains(conversation);
1760                final boolean inProgressJoin = inProgress || pending;
1761                if (inProgressJoin) {
1762                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": holding back message to group. inProgress=" + inProgress + ", pending=" + pending);
1763                }
1764                return inProgressJoin;
1765            } else {
1766                return false;
1767            }
1768        }
1769    }
1770
1771    private void sendUnsentMessages(final Conversation conversation) {
1772        conversation.findWaitingMessages(message -> resendMessage(message, true));
1773    }
1774
1775    public void resendMessage(final Message message, final boolean delay) {
1776        sendMessage(message, true, delay);
1777    }
1778
1779    public void requestEasyOnboardingInvite(final Account account, final EasyOnboardingInvite.OnInviteRequested callback) {
1780        final XmppConnection connection = account.getXmppConnection();
1781        final Jid jid = connection == null ? null : connection.getJidForCommand(Namespace.EASY_ONBOARDING_INVITE);
1782        if (jid == null) {
1783            callback.inviteRequestFailed(getString(R.string.server_does_not_support_easy_onboarding_invites));
1784            return;
1785        }
1786        final IqPacket request = new IqPacket(IqPacket.TYPE.SET);
1787        request.setTo(jid);
1788        final Element command = request.addChild("command", Namespace.COMMANDS);
1789        command.setAttribute("node", Namespace.EASY_ONBOARDING_INVITE);
1790        command.setAttribute("action", "execute");
1791        sendIqPacket(account, request, (a, response) -> {
1792            if (response.getType() == IqPacket.TYPE.RESULT) {
1793                final Element resultCommand = response.findChild("command", Namespace.COMMANDS);
1794                final Element x = resultCommand == null ? null : resultCommand.findChild("x", Namespace.DATA);
1795                if (x != null) {
1796                    final Data data = Data.parse(x);
1797                    final String uri = data.getValue("uri");
1798                    final String landingUrl = data.getValue("landing-url");
1799                    if (uri != null) {
1800                        final EasyOnboardingInvite invite = new EasyOnboardingInvite(jid.getDomain().toEscapedString(), uri, landingUrl);
1801                        callback.inviteRequested(invite);
1802                        return;
1803                    }
1804                }
1805                callback.inviteRequestFailed(getString(R.string.unable_to_parse_invite));
1806                Log.d(Config.LOGTAG, response.toString());
1807            } else if (response.getType() == IqPacket.TYPE.ERROR) {
1808                callback.inviteRequestFailed(IqParser.errorMessage(response));
1809            } else {
1810                callback.inviteRequestFailed(getString(R.string.remote_server_timeout));
1811            }
1812        });
1813
1814    }
1815
1816    public void fetchRosterFromServer(final Account account) {
1817        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1818        if (!"".equals(account.getRosterVersion())) {
1819            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1820                    + ": fetching roster version " + account.getRosterVersion());
1821        } else {
1822            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1823        }
1824        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1825        sendIqPacket(account, iqPacket, mIqParser);
1826    }
1827
1828    public void fetchBookmarks(final Account account) {
1829        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1830        final Element query = iqPacket.query("jabber:iq:private");
1831        query.addChild("storage", Namespace.BOOKMARKS);
1832        final OnIqPacketReceived callback = (a, response) -> {
1833            if (response.getType() == IqPacket.TYPE.RESULT) {
1834                final Element query1 = response.query();
1835                final Element storage = query1.findChild("storage", "storage:bookmarks");
1836                Map<Jid, Bookmark> bookmarks = Bookmark.parseFromStorage(storage, account);
1837                processBookmarksInitial(a, bookmarks, false);
1838            } else {
1839                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1840            }
1841        };
1842        sendIqPacket(account, iqPacket, callback);
1843    }
1844
1845    public void fetchBookmarks2(final Account account) {
1846        final IqPacket retrieve = mIqGenerator.retrieveBookmarks();
1847        sendIqPacket(account, retrieve, new OnIqPacketReceived() {
1848            @Override
1849            public void onIqPacketReceived(final Account account, final IqPacket response) {
1850                if (response.getType() == IqPacket.TYPE.RESULT) {
1851                    final Element pubsub = response.findChild("pubsub", Namespace.PUBSUB);
1852                    final Map<Jid, Bookmark> bookmarks = Bookmark.parseFromPubsub(pubsub, account);
1853                    processBookmarksInitial(account, bookmarks, true);
1854                }
1855            }
1856        });
1857    }
1858
1859    public void processBookmarksInitial(Account account, Map<Jid, Bookmark> bookmarks, final boolean pep) {
1860        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
1861        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1862        for (Bookmark bookmark : bookmarks.values()) {
1863            previousBookmarks.remove(bookmark.getJid().asBareJid());
1864            processModifiedBookmark(bookmark, pep, synchronizeWithBookmarks);
1865        }
1866        if (pep && synchronizeWithBookmarks) {
1867            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
1868            for (Jid jid : previousBookmarks) {
1869                processDeletedBookmark(account, jid);
1870            }
1871        }
1872        account.setBookmarks(bookmarks);
1873    }
1874
1875    public void processDeletedBookmark(Account account, Jid jid) {
1876        final Conversation conversation = find(account, jid);
1877        if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
1878            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving destroyed conference (" + conversation.getJid() + ") after receiving pep");
1879            archiveConversation(conversation, false);
1880        }
1881    }
1882
1883    private void processModifiedBookmark(Bookmark bookmark, final boolean pep, final boolean synchronizeWithBookmarks) {
1884        final Account account = bookmark.getAccount();
1885        Conversation conversation = find(bookmark);
1886        if (conversation != null) {
1887            if (conversation.getMode() != Conversation.MODE_MULTI) {
1888                return;
1889            }
1890            bookmark.setConversation(conversation);
1891            if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
1892                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conference (" + conversation.getJid() + ") after receiving pep");
1893                archiveConversation(conversation, false);
1894            } else {
1895                final MucOptions mucOptions = conversation.getMucOptions();
1896                if (mucOptions.getError() == MucOptions.Error.NICK_IN_USE) {
1897                    final String current = mucOptions.getActualNick();
1898                    final String proposed = mucOptions.getProposedNick();
1899                    if (current != null && !current.equals(proposed)) {
1900                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": proposed nick changed after bookmark push " + current + "->" + proposed);
1901                        joinMuc(conversation);
1902                    }
1903                }
1904            }
1905        } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
1906            conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1907            bookmark.setConversation(conversation);
1908        }
1909    }
1910
1911    public void processModifiedBookmark(Bookmark bookmark) {
1912        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1913        processModifiedBookmark(bookmark, true, synchronizeWithBookmarks);
1914    }
1915
1916    public void createBookmark(final Account account, final Bookmark bookmark) {
1917        account.putBookmark(bookmark);
1918        final XmppConnection connection = account.getXmppConnection();
1919        if (connection == null) {
1920            Log.d(Config.LOGTAG, account.getJid().asBareJid()+": no connection. ignoring bookmark creation");
1921        } else if (connection.getFeatures().bookmarks2()) {
1922            final Element item = mIqGenerator.publishBookmarkItem(bookmark);
1923            pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS2, item, bookmark.getJid().asBareJid().toEscapedString(), PublishOptions.persistentWhitelistAccessMaxItems());
1924        } else if (connection.getFeatures().bookmarksConversion()) {
1925            pushBookmarksPep(account);
1926        } else {
1927            pushBookmarksPrivateXml(account);
1928        }
1929    }
1930
1931    public void deleteBookmark(final Account account, final Bookmark bookmark) {
1932        if (bookmark.getJid().toString().equals("discuss@conference.soprani.ca")) {
1933            getPreferences().edit().putBoolean("cheogram_sopranica_bookmark_deleted", true).apply();
1934        }
1935        account.removeBookmark(bookmark);
1936        final XmppConnection connection = account.getXmppConnection();
1937        if (connection == null) return;
1938
1939        if (connection.getFeatures().bookmarks2()) {
1940            IqPacket request = mIqGenerator.deleteItem(Namespace.BOOKMARKS2, bookmark.getJid().asBareJid().toEscapedString());
1941            sendIqPacket(account, request, (a, response) -> {
1942                if (response.getType() == IqPacket.TYPE.ERROR) {
1943                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": unable to delete bookmark " + response.getErrorCondition());
1944                }
1945            });
1946        } else if (connection.getFeatures().bookmarksConversion()) {
1947            pushBookmarksPep(account);
1948        } else {
1949            pushBookmarksPrivateXml(account);
1950        }
1951    }
1952
1953    private void pushBookmarksPrivateXml(Account account) {
1954        if (!account.areBookmarksLoaded()) return;
1955
1956        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1957        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1958        Element query = iqPacket.query("jabber:iq:private");
1959        Element storage = query.addChild("storage", "storage:bookmarks");
1960        for (final Bookmark bookmark : account.getBookmarks()) {
1961            storage.addChild(bookmark);
1962        }
1963        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1964    }
1965
1966    private void pushBookmarksPep(Account account) {
1967        if (!account.areBookmarksLoaded()) return;
1968
1969        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1970        final Element storage = new Element("storage", "storage:bookmarks");
1971        for (final Bookmark bookmark : account.getBookmarks()) {
1972            storage.addChild(bookmark);
1973        }
1974        pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS, storage, "current", PublishOptions.persistentWhitelistAccess());
1975
1976    }
1977
1978    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options) {
1979        pushNodeAndEnforcePublishOptions(account, node, element, id, options, true);
1980
1981    }
1982
1983    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options, final boolean retry) {
1984        final IqPacket packet = mIqGenerator.publishElement(node, element, id, options);
1985        sendIqPacket(account, packet, (a, response) -> {
1986            if (response.getType() == IqPacket.TYPE.RESULT) {
1987                return;
1988            }
1989            if (retry && PublishOptions.preconditionNotMet(response)) {
1990                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
1991                    @Override
1992                    public void onPushSucceeded() {
1993                        pushNodeAndEnforcePublishOptions(account, node, element, id, options, false);
1994                    }
1995
1996                    @Override
1997                    public void onPushFailed() {
1998                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to push node configuration (" + node + ")");
1999                    }
2000                });
2001            } else {
2002                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error publishing bookmarks (retry=" + retry + ") " + response);
2003            }
2004        });
2005    }
2006
2007    private void restoreFromDatabase() {
2008        synchronized (this.conversations) {
2009            final Map<String, Account> accountLookupTable = new Hashtable<>();
2010            for (Account account : this.accounts) {
2011                accountLookupTable.put(account.getUuid(), account);
2012            }
2013            Log.d(Config.LOGTAG, "restoring conversations...");
2014            final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
2015            this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
2016            for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
2017                Conversation conversation = iterator.next();
2018                Account account = accountLookupTable.get(conversation.getAccountUuid());
2019                if (account != null) {
2020                    conversation.setAccount(account);
2021                } else {
2022                    Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
2023                    iterator.remove();
2024                }
2025            }
2026            long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
2027            Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
2028            Runnable runnable = () -> {
2029                if (DatabaseBackend.requiresMessageIndexRebuild()) {
2030                    DatabaseBackend.getInstance(this).rebuildMessagesIndex();
2031                }
2032                final long deletionDate = getAutomaticMessageDeletionDate();
2033                mLastExpiryRun.set(SystemClock.elapsedRealtime());
2034                if (deletionDate > 0) {
2035                    Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
2036                    databaseBackend.expireOldMessages(deletionDate);
2037                }
2038                Log.d(Config.LOGTAG, "restoring roster...");
2039                for (final Account account : accounts) {
2040                    databaseBackend.readRoster(account.getRoster());
2041                    account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
2042                }
2043                getBitmapCache().evictAll();
2044                loadPhoneContacts();
2045                Log.d(Config.LOGTAG, "restoring messages...");
2046                final long startMessageRestore = SystemClock.elapsedRealtime();
2047                final Conversation quickLoad = QuickLoader.get(this.conversations);
2048                if (quickLoad != null) {
2049                    restoreMessages(quickLoad);
2050                    updateConversationUi();
2051                    final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
2052                    Log.d(Config.LOGTAG, "quickly restored " + quickLoad.getName() + " after " + diffMessageRestore + "ms");
2053                }
2054                for (Conversation conversation : this.conversations) {
2055                    if (quickLoad != conversation) {
2056                        restoreMessages(conversation);
2057                    }
2058                }
2059                mNotificationService.finishBacklog();
2060                restoredFromDatabaseLatch.countDown();
2061                final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
2062                Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
2063                updateConversationUi();
2064            };
2065            mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
2066        }
2067    }
2068
2069    private void restoreMessages(Conversation conversation) {
2070        conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
2071        conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
2072        conversation.findUnreadMessagesAndCalls(mNotificationService::pushFromBacklog);
2073    }
2074
2075    public void loadPhoneContacts() {
2076        mContactMergerExecutor.execute(() -> {
2077            final Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
2078            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
2079            for (final Account account : accounts) {
2080                final List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
2081                for (final JabberIdContact jidContact : contacts.values()) {
2082                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
2083                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
2084                    if (needsCacheClean) {
2085                        getAvatarService().clear(contact);
2086                    }
2087                    withSystemAccounts.remove(contact);
2088                }
2089                for (final Contact contact : withSystemAccounts) {
2090                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
2091                    if (needsCacheClean) {
2092                        getAvatarService().clear(contact);
2093                    }
2094                }
2095            }
2096            Log.d(Config.LOGTAG, "finished merging phone contacts");
2097            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
2098            updateRosterUi();
2099            mQuickConversationsService.considerSync();
2100        });
2101    }
2102
2103
2104    public void syncRoster(final Account account) {
2105        mRosterSyncTaskManager.execute(account, () -> {
2106            unregisterPhoneAccounts(account);
2107            databaseBackend.writeRoster(account.getRoster());
2108            try { Thread.sleep(500); } catch (InterruptedException e) { }
2109        });
2110    }
2111
2112    public List<Conversation> getConversations() {
2113        return this.conversations;
2114    }
2115
2116    private void markFileDeleted(final File file) {
2117        synchronized (FILENAMES_TO_IGNORE_DELETION) {
2118            if (FILENAMES_TO_IGNORE_DELETION.remove(file.getAbsolutePath())) {
2119                Log.d(Config.LOGTAG, "ignored deletion of " + file.getAbsolutePath());
2120                return;
2121            }
2122        }
2123        final boolean isInternalFile = fileBackend.isInternalFile(file);
2124        final List<String> uuids = databaseBackend.markFileAsDeleted(file, isInternalFile);
2125        Log.d(Config.LOGTAG, "deleted file " + file.getAbsolutePath() + " internal=" + isInternalFile + ", database hits=" + uuids.size());
2126        markUuidsAsDeletedFiles(uuids);
2127    }
2128
2129    private void markUuidsAsDeletedFiles(List<String> uuids) {
2130        boolean deleted = false;
2131        for (Conversation conversation : getConversations()) {
2132            deleted |= conversation.markAsDeleted(uuids);
2133        }
2134        for (final String uuid : uuids) {
2135            evictPreview(uuid);
2136        }
2137        if (deleted) {
2138            updateConversationUi();
2139        }
2140    }
2141
2142    private void markChangedFiles(List<DatabaseBackend.FilePathInfo> infos) {
2143        boolean changed = false;
2144        for (Conversation conversation : getConversations()) {
2145            changed |= conversation.markAsChanged(infos);
2146        }
2147        if (changed) {
2148            updateConversationUi();
2149        }
2150    }
2151
2152    public void populateWithOrderedConversations(final List<Conversation> list) {
2153        populateWithOrderedConversations(list, true, true);
2154    }
2155
2156    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload) {
2157        populateWithOrderedConversations(list, includeNoFileUpload, true);
2158    }
2159
2160    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload, final boolean sort) {
2161        final List<String> orderedUuids;
2162        if (sort) {
2163            orderedUuids = null;
2164        } else {
2165            orderedUuids = new ArrayList<>();
2166            for (Conversation conversation : list) {
2167                orderedUuids.add(conversation.getUuid());
2168            }
2169        }
2170        list.clear();
2171        if (includeNoFileUpload) {
2172            list.addAll(getConversations());
2173        } else {
2174            for (Conversation conversation : getConversations()) {
2175                if (conversation.getMode() == Conversation.MODE_SINGLE
2176                        || (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
2177                    list.add(conversation);
2178                }
2179            }
2180        }
2181        try {
2182            if (orderedUuids != null) {
2183                Collections.sort(list, (a, b) -> {
2184                    final int indexA = orderedUuids.indexOf(a.getUuid());
2185                    final int indexB = orderedUuids.indexOf(b.getUuid());
2186                    if (indexA == -1 || indexB == -1 || indexA == indexB) {
2187                        return a.compareTo(b);
2188                    }
2189                    return indexA - indexB;
2190                });
2191            } else {
2192                Collections.sort(list);
2193            }
2194        } catch (IllegalArgumentException e) {
2195            //ignore
2196        }
2197    }
2198
2199    public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
2200        if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
2201            return;
2202        } else if (timestamp == 0) {
2203            return;
2204        }
2205        Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
2206        final Runnable runnable = () -> {
2207            final Account account = conversation.getAccount();
2208            List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
2209            if (messages.size() > 0) {
2210                conversation.addAll(0, messages);
2211                callback.onMoreMessagesLoaded(messages.size(), conversation);
2212            } else if (conversation.hasMessagesLeftOnServer()
2213                    && account.isOnlineAndConnected()
2214                    && conversation.getLastClearHistory().getTimestamp() == 0) {
2215                final boolean mamAvailable;
2216                if (conversation.getMode() == Conversation.MODE_SINGLE) {
2217                    mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
2218                } else {
2219                    mamAvailable = conversation.getMucOptions().mamSupport();
2220                }
2221                if (mamAvailable) {
2222                    MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
2223                    if (query != null) {
2224                        query.setCallback(callback);
2225                        callback.informUser(R.string.fetching_history_from_server);
2226                    } else {
2227                        callback.informUser(R.string.not_fetching_history_retention_period);
2228                    }
2229
2230                }
2231            }
2232        };
2233        mDatabaseReaderExecutor.execute(runnable);
2234    }
2235
2236    public List<Account> getAccounts() {
2237        return this.accounts;
2238    }
2239
2240
2241    /**
2242     * 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)
2243     */
2244    public List<Conversation> findAllConferencesWith(Contact contact) {
2245        final ArrayList<Conversation> results = new ArrayList<>();
2246        for (final Conversation c : conversations) {
2247            if (c.getMode() != Conversation.MODE_MULTI) {
2248                continue;
2249            }
2250            final MucOptions mucOptions = c.getMucOptions();
2251            if (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || (mucOptions != null && mucOptions.isContactInRoom(contact))) {
2252                results.add(c);
2253            }
2254        }
2255        return results;
2256    }
2257
2258    public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
2259        for (final Conversation conversation : haystack) {
2260            if (conversation.getContact() == contact) {
2261                return conversation;
2262            }
2263        }
2264        return null;
2265    }
2266
2267    public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
2268        if (jid == null) {
2269            return null;
2270        }
2271        for (final Conversation conversation : haystack) {
2272            if ((account == null || conversation.getAccount() == account)
2273                    && (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
2274                return conversation;
2275            }
2276        }
2277        return null;
2278    }
2279
2280    public boolean isConversationsListEmpty(final Conversation ignore) {
2281        synchronized (this.conversations) {
2282            final int size = this.conversations.size();
2283            return size == 0 || size == 1 && this.conversations.get(0) == ignore;
2284        }
2285    }
2286
2287    public boolean isConversationStillOpen(final Conversation conversation) {
2288        synchronized (this.conversations) {
2289            for (Conversation current : this.conversations) {
2290                if (current == conversation) {
2291                    return true;
2292                }
2293            }
2294        }
2295        return false;
2296    }
2297
2298    public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
2299        return this.findOrCreateConversation(account, jid, muc, false, async);
2300    }
2301
2302    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
2303        return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
2304    }
2305
2306    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
2307        synchronized (this.conversations) {
2308            Conversation conversation = find(account, jid);
2309            if (conversation != null) {
2310                return conversation;
2311            }
2312            conversation = databaseBackend.findConversation(account, jid);
2313            final boolean loadMessagesFromDb;
2314            if (conversation != null) {
2315                conversation.setStatus(Conversation.STATUS_AVAILABLE);
2316                conversation.setAccount(account);
2317                if (muc) {
2318                    conversation.setMode(Conversation.MODE_MULTI);
2319                    conversation.setContactJid(jid);
2320                } else {
2321                    conversation.setMode(Conversation.MODE_SINGLE);
2322                    conversation.setContactJid(jid.asBareJid());
2323                }
2324                databaseBackend.updateConversation(conversation);
2325                loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
2326            } else {
2327                String conversationName;
2328                Contact contact = account.getRoster().getContact(jid);
2329                if (contact != null) {
2330                    conversationName = contact.getDisplayName();
2331                } else {
2332                    conversationName = jid.getLocal();
2333                }
2334                if (muc) {
2335                    conversation = new Conversation(conversationName, account, jid,
2336                            Conversation.MODE_MULTI);
2337                } else {
2338                    conversation = new Conversation(conversationName, account, jid.asBareJid(),
2339                            Conversation.MODE_SINGLE);
2340                }
2341                this.databaseBackend.createConversation(conversation);
2342                loadMessagesFromDb = false;
2343            }
2344            final Conversation c = conversation;
2345            final Runnable runnable = () -> {
2346                if (loadMessagesFromDb) {
2347                    c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
2348                    updateConversationUi();
2349                    c.messagesLoaded.set(true);
2350                }
2351                if (account.getXmppConnection() != null
2352                        && !c.getContact().isBlocked()
2353                        && account.getXmppConnection().getFeatures().mam()
2354                        && !muc) {
2355                    if (query == null) {
2356                        mMessageArchiveService.query(c);
2357                    } else {
2358                        if (query.getConversation() == null) {
2359                            mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
2360                        }
2361                    }
2362                }
2363                if (joinAfterCreate) {
2364                    joinMuc(c);
2365                }
2366            };
2367            if (async) {
2368                mDatabaseReaderExecutor.execute(runnable);
2369            } else {
2370                runnable.run();
2371            }
2372            this.conversations.add(conversation);
2373            updateConversationUi();
2374            return conversation;
2375        }
2376    }
2377
2378    public void archiveConversation(Conversation conversation) {
2379        archiveConversation(conversation, true);
2380    }
2381
2382    private void archiveConversation(Conversation conversation, final boolean maySynchronizeWithBookmarks) {
2383        getNotificationService().clear(conversation);
2384        conversation.setStatus(Conversation.STATUS_ARCHIVED);
2385        conversation.setNextMessage(null);
2386        synchronized (this.conversations) {
2387            getMessageArchiveService().kill(conversation);
2388            if (conversation.getMode() == Conversation.MODE_MULTI) {
2389                if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2390                    final Bookmark bookmark = conversation.getBookmark();
2391                    if (maySynchronizeWithBookmarks && bookmark != null && synchronizeWithBookmarks()) {
2392                        if (conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2393                            Account account = bookmark.getAccount();
2394                            bookmark.setConversation(null);
2395                            deleteBookmark(account, bookmark);
2396                        } else if (bookmark.autojoin()) {
2397                            bookmark.setAutojoin(false);
2398                            createBookmark(bookmark.getAccount(), bookmark);
2399                        }
2400                    }
2401                }
2402                leaveMuc(conversation);
2403            } else {
2404                if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2405                    stopPresenceUpdatesTo(conversation.getContact());
2406                }
2407            }
2408            updateConversation(conversation);
2409            this.conversations.remove(conversation);
2410            updateConversationUi();
2411        }
2412    }
2413
2414    public void stopPresenceUpdatesTo(Contact contact) {
2415        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
2416        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
2417        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2418    }
2419
2420    public void createAccount(final Account account) {
2421        account.initAccountServices(this);
2422        databaseBackend.createAccount(account);
2423        this.accounts.add(account);
2424        this.reconnectAccountInBackground(account);
2425        updateAccountUi();
2426        syncEnabledAccountSetting();
2427        toggleForegroundService();
2428    }
2429
2430    private void syncEnabledAccountSetting() {
2431        final boolean hasEnabledAccounts = hasEnabledAccounts();
2432        getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
2433        toggleSetProfilePictureActivity(hasEnabledAccounts);
2434    }
2435
2436    private void toggleSetProfilePictureActivity(final boolean enabled) {
2437        try {
2438            final ComponentName name = new ComponentName(this, ChooseAccountForProfilePictureActivity.class);
2439            final int targetState = enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
2440            getPackageManager().setComponentEnabledSetting(name, targetState, PackageManager.DONT_KILL_APP);
2441        } catch (IllegalStateException e) {
2442            Log.d(Config.LOGTAG, "unable to toggle profile picture activity");
2443        }
2444    }
2445
2446    public boolean reconfigurePushDistributor() {
2447        return this.unifiedPushBroker.reconfigurePushDistributor();
2448    }
2449
2450    public Optional<UnifiedPushBroker.Transport> renewUnifiedPushEndpoints() {
2451        return this.unifiedPushBroker.renewUnifiedPushEndpoints();
2452    }
2453
2454    private void provisionAccount(final String address, final String password) {
2455        final Jid jid = Jid.ofEscaped(address);
2456        final Account account = new Account(jid, password);
2457        account.setOption(Account.OPTION_DISABLED, true);
2458        Log.d(Config.LOGTAG, jid.asBareJid().toEscapedString() + ": provisioning account");
2459        createAccount(account);
2460    }
2461
2462    public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
2463        new Thread(() -> {
2464            try {
2465                final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
2466                final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
2467                if (cert == null) {
2468                    callback.informUser(R.string.unable_to_parse_certificate);
2469                    return;
2470                }
2471                Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
2472                if (info == null) {
2473                    callback.informUser(R.string.certificate_does_not_contain_jid);
2474                    return;
2475                }
2476                if (findAccountByJid(info.first) == null) {
2477                    final Account account = new Account(info.first, "");
2478                    account.setPrivateKeyAlias(alias);
2479                    account.setOption(Account.OPTION_DISABLED, true);
2480                    account.setOption(Account.OPTION_FIXED_USERNAME, true);
2481                    account.setDisplayName(info.second);
2482                    createAccount(account);
2483                    callback.onAccountCreated(account);
2484                    if (Config.X509_VERIFICATION) {
2485                        try {
2486                            getMemorizingTrustManager().getNonInteractive(account.getServer()).checkClientTrusted(chain, "RSA");
2487                        } catch (CertificateException e) {
2488                            callback.informUser(R.string.certificate_chain_is_not_trusted);
2489                        }
2490                    }
2491                } else {
2492                    callback.informUser(R.string.account_already_exists);
2493                }
2494            } catch (Exception e) {
2495                callback.informUser(R.string.unable_to_parse_certificate);
2496            }
2497        }).start();
2498
2499    }
2500
2501    public void updateKeyInAccount(final Account account, final String alias) {
2502        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
2503        try {
2504            X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
2505            Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
2506            Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
2507            if (info == null) {
2508                showErrorToastInUi(R.string.certificate_does_not_contain_jid);
2509                return;
2510            }
2511            if (account.getJid().asBareJid().equals(info.first)) {
2512                account.setPrivateKeyAlias(alias);
2513                account.setDisplayName(info.second);
2514                databaseBackend.updateAccount(account);
2515                if (Config.X509_VERIFICATION) {
2516                    try {
2517                        getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
2518                    } catch (CertificateException e) {
2519                        showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
2520                    }
2521                    account.getAxolotlService().regenerateKeys(true);
2522                }
2523            } else {
2524                showErrorToastInUi(R.string.jid_does_not_match_certificate);
2525            }
2526        } catch (Exception e) {
2527            e.printStackTrace();
2528        }
2529    }
2530
2531    public boolean updateAccount(final Account account) {
2532        if (databaseBackend.updateAccount(account)) {
2533            account.setShowErrorNotification(true);
2534            this.statusListener.onStatusChanged(account);
2535            databaseBackend.updateAccount(account);
2536            reconnectAccountInBackground(account);
2537            updateAccountUi();
2538            getNotificationService().updateErrorNotification();
2539            toggleForegroundService();
2540            syncEnabledAccountSetting();
2541            mChannelDiscoveryService.cleanCache();
2542            return true;
2543        } else {
2544            return false;
2545        }
2546    }
2547
2548    public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
2549        final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
2550        sendIqPacket(account, iq, (a, packet) -> {
2551            if (packet.getType() == IqPacket.TYPE.RESULT) {
2552                a.setPassword(newPassword);
2553                a.setOption(Account.OPTION_MAGIC_CREATE, false);
2554                databaseBackend.updateAccount(a);
2555                callback.onPasswordChangeSucceeded();
2556            } else {
2557                callback.onPasswordChangeFailed();
2558            }
2559        });
2560    }
2561
2562    public void deleteAccount(final Account account) {
2563        final boolean connected = account.getStatus() == Account.State.ONLINE;
2564        synchronized (this.conversations) {
2565            if (connected) {
2566                account.getAxolotlService().deleteOmemoIdentity();
2567            }
2568            for (final Conversation conversation : conversations) {
2569                if (conversation.getAccount() == account) {
2570                    if (conversation.getMode() == Conversation.MODE_MULTI) {
2571                        if (connected) {
2572                            leaveMuc(conversation);
2573                        }
2574                    }
2575                    conversations.remove(conversation);
2576                    mNotificationService.clear(conversation);
2577                }
2578            }
2579            new Thread(() -> {
2580                for (final Contact contact : account.getRoster().getContacts()) {
2581                    contact.unregisterAsPhoneAccount(this);
2582                }
2583            }).start();
2584            if (account.getXmppConnection() != null) {
2585                new Thread(() -> disconnect(account, !connected)).start();
2586            }
2587            final Runnable runnable = () -> {
2588                if (!databaseBackend.deleteAccount(account)) {
2589                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2590                }
2591            };
2592            mDatabaseWriterExecutor.execute(runnable);
2593            this.accounts.remove(account);
2594            this.mRosterSyncTaskManager.clear(account);
2595            updateAccountUi();
2596            mNotificationService.updateErrorNotification();
2597            syncEnabledAccountSetting();
2598            toggleForegroundService();
2599        }
2600    }
2601
2602    public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2603        final boolean remainingListeners;
2604        synchronized (LISTENER_LOCK) {
2605            remainingListeners = checkListeners();
2606            if (!this.mOnConversationUpdates.add(listener)) {
2607                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as ConversationListChangedListener");
2608            }
2609            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2610        }
2611        if (remainingListeners) {
2612            switchToForeground();
2613        }
2614    }
2615
2616    public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2617        final boolean remainingListeners;
2618        synchronized (LISTENER_LOCK) {
2619            this.mOnConversationUpdates.remove(listener);
2620            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2621            remainingListeners = checkListeners();
2622        }
2623        if (remainingListeners) {
2624            switchToBackground();
2625        }
2626    }
2627
2628    public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2629        final boolean remainingListeners;
2630        synchronized (LISTENER_LOCK) {
2631            remainingListeners = checkListeners();
2632            if (!this.mOnShowErrorToasts.add(listener)) {
2633                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnShowErrorToastListener");
2634            }
2635        }
2636        if (remainingListeners) {
2637            switchToForeground();
2638        }
2639    }
2640
2641    public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2642        final boolean remainingListeners;
2643        synchronized (LISTENER_LOCK) {
2644            this.mOnShowErrorToasts.remove(onShowErrorToast);
2645            remainingListeners = checkListeners();
2646        }
2647        if (remainingListeners) {
2648            switchToBackground();
2649        }
2650    }
2651
2652    public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2653        final boolean remainingListeners;
2654        synchronized (LISTENER_LOCK) {
2655            remainingListeners = checkListeners();
2656            if (!this.mOnAccountUpdates.add(listener)) {
2657                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnAccountListChangedtListener");
2658            }
2659        }
2660        if (remainingListeners) {
2661            switchToForeground();
2662        }
2663    }
2664
2665    public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2666        final boolean remainingListeners;
2667        synchronized (LISTENER_LOCK) {
2668            this.mOnAccountUpdates.remove(listener);
2669            remainingListeners = checkListeners();
2670        }
2671        if (remainingListeners) {
2672            switchToBackground();
2673        }
2674    }
2675
2676    public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2677        final boolean remainingListeners;
2678        synchronized (LISTENER_LOCK) {
2679            remainingListeners = checkListeners();
2680            if (!this.mOnCaptchaRequested.add(listener)) {
2681                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnCaptchaRequestListener");
2682            }
2683        }
2684        if (remainingListeners) {
2685            switchToForeground();
2686        }
2687    }
2688
2689    public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2690        final boolean remainingListeners;
2691        synchronized (LISTENER_LOCK) {
2692            this.mOnCaptchaRequested.remove(listener);
2693            remainingListeners = checkListeners();
2694        }
2695        if (remainingListeners) {
2696            switchToBackground();
2697        }
2698    }
2699
2700    public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2701        final boolean remainingListeners;
2702        synchronized (LISTENER_LOCK) {
2703            remainingListeners = checkListeners();
2704            if (!this.mOnRosterUpdates.add(listener)) {
2705                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnRosterUpdateListener");
2706            }
2707        }
2708        if (remainingListeners) {
2709            switchToForeground();
2710        }
2711    }
2712
2713    public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2714        final boolean remainingListeners;
2715        synchronized (LISTENER_LOCK) {
2716            this.mOnRosterUpdates.remove(listener);
2717            remainingListeners = checkListeners();
2718        }
2719        if (remainingListeners) {
2720            switchToBackground();
2721        }
2722    }
2723
2724    public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2725        final boolean remainingListeners;
2726        synchronized (LISTENER_LOCK) {
2727            remainingListeners = checkListeners();
2728            if (!this.mOnUpdateBlocklist.add(listener)) {
2729                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnUpdateBlocklistListener");
2730            }
2731        }
2732        if (remainingListeners) {
2733            switchToForeground();
2734        }
2735    }
2736
2737    public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2738        final boolean remainingListeners;
2739        synchronized (LISTENER_LOCK) {
2740            this.mOnUpdateBlocklist.remove(listener);
2741            remainingListeners = checkListeners();
2742        }
2743        if (remainingListeners) {
2744            switchToBackground();
2745        }
2746    }
2747
2748    public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2749        final boolean remainingListeners;
2750        synchronized (LISTENER_LOCK) {
2751            remainingListeners = checkListeners();
2752            if (!this.mOnKeyStatusUpdated.add(listener)) {
2753                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnKeyStatusUpdateListener");
2754            }
2755        }
2756        if (remainingListeners) {
2757            switchToForeground();
2758        }
2759    }
2760
2761    public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2762        final boolean remainingListeners;
2763        synchronized (LISTENER_LOCK) {
2764            this.mOnKeyStatusUpdated.remove(listener);
2765            remainingListeners = checkListeners();
2766        }
2767        if (remainingListeners) {
2768            switchToBackground();
2769        }
2770    }
2771
2772    public void setOnRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2773        final boolean remainingListeners;
2774        synchronized (LISTENER_LOCK) {
2775            remainingListeners = checkListeners();
2776            if (!this.onJingleRtpConnectionUpdate.add(listener)) {
2777                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnJingleRtpConnectionUpdate");
2778            }
2779        }
2780        if (remainingListeners) {
2781            switchToForeground();
2782        }
2783    }
2784
2785    public void removeRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2786        final boolean remainingListeners;
2787        synchronized (LISTENER_LOCK) {
2788            this.onJingleRtpConnectionUpdate.remove(listener);
2789            remainingListeners = checkListeners();
2790        }
2791        if (remainingListeners) {
2792            switchToBackground();
2793        }
2794    }
2795
2796    public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2797        final boolean remainingListeners;
2798        synchronized (LISTENER_LOCK) {
2799            remainingListeners = checkListeners();
2800            if (!this.mOnMucRosterUpdate.add(listener)) {
2801                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnMucRosterListener");
2802            }
2803        }
2804        if (remainingListeners) {
2805            switchToForeground();
2806        }
2807    }
2808
2809    public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2810        final boolean remainingListeners;
2811        synchronized (LISTENER_LOCK) {
2812            this.mOnMucRosterUpdate.remove(listener);
2813            remainingListeners = checkListeners();
2814        }
2815        if (remainingListeners) {
2816            switchToBackground();
2817        }
2818    }
2819
2820    public boolean checkListeners() {
2821        return (this.mOnAccountUpdates.size() == 0
2822                && this.mOnConversationUpdates.size() == 0
2823                && this.mOnRosterUpdates.size() == 0
2824                && this.mOnCaptchaRequested.size() == 0
2825                && this.mOnMucRosterUpdate.size() == 0
2826                && this.mOnUpdateBlocklist.size() == 0
2827                && this.mOnShowErrorToasts.size() == 0
2828                && this.onJingleRtpConnectionUpdate.size() == 0
2829                && this.mOnKeyStatusUpdated.size() == 0);
2830    }
2831
2832    private void switchToForeground() {
2833        final boolean broadcastLastActivity = broadcastLastActivity();
2834        for (Conversation conversation : getConversations()) {
2835            if (conversation.getMode() == Conversation.MODE_MULTI) {
2836                conversation.getMucOptions().resetChatState();
2837            } else {
2838                conversation.setIncomingChatState(Config.DEFAULT_CHAT_STATE);
2839            }
2840        }
2841        for (Account account : getAccounts()) {
2842            if (account.getStatus() == Account.State.ONLINE) {
2843                account.deactivateGracePeriod();
2844                final XmppConnection connection = account.getXmppConnection();
2845                if (connection != null) {
2846                    if (connection.getFeatures().csi()) {
2847                        connection.sendActive();
2848                    }
2849                    if (broadcastLastActivity) {
2850                        sendPresence(account, false); //send new presence but don't include idle because we are not
2851                    }
2852                }
2853            }
2854        }
2855        Log.d(Config.LOGTAG, "app switched into foreground");
2856    }
2857
2858    private void switchToBackground() {
2859        final boolean broadcastLastActivity = broadcastLastActivity();
2860        if (broadcastLastActivity) {
2861            mLastActivity = System.currentTimeMillis();
2862            final SharedPreferences.Editor editor = getPreferences().edit();
2863            editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2864            editor.apply();
2865        }
2866        for (Account account : getAccounts()) {
2867            if (account.getStatus() == Account.State.ONLINE) {
2868                XmppConnection connection = account.getXmppConnection();
2869                if (connection != null) {
2870                    if (broadcastLastActivity) {
2871                        sendPresence(account, true);
2872                    }
2873                    if (connection.getFeatures().csi()) {
2874                        connection.sendInactive();
2875                    }
2876                }
2877            }
2878        }
2879        this.mNotificationService.setIsInForeground(false);
2880        Log.d(Config.LOGTAG, "app switched into background");
2881    }
2882
2883    private void connectMultiModeConversations(Account account) {
2884        List<Conversation> conversations = getConversations();
2885        for (Conversation conversation : conversations) {
2886            if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2887                joinMuc(conversation);
2888            }
2889        }
2890    }
2891
2892    public void mucSelfPingAndRejoin(final Conversation conversation) {
2893        final Account account = conversation.getAccount();
2894        synchronized (account.inProgressConferenceJoins) {
2895            if (account.inProgressConferenceJoins.contains(conversation)) {
2896                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because join is already under way");
2897                return;
2898            }
2899        }
2900        synchronized (account.inProgressConferencePings) {
2901            if (!account.inProgressConferencePings.add(conversation)) {
2902                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because ping is already under way");
2903                return;
2904            }
2905        }
2906        final Jid self = conversation.getMucOptions().getSelf().getFullJid();
2907        final IqPacket ping = new IqPacket(IqPacket.TYPE.GET);
2908        ping.setTo(self);
2909        ping.addChild("ping", Namespace.PING);
2910        sendIqPacket(conversation.getAccount(), ping, (a, response) -> {
2911            if (response.getType() == IqPacket.TYPE.ERROR) {
2912                Element error = response.findChild("error");
2913                if (error == null || error.hasChild("service-unavailable") || error.hasChild("feature-not-implemented") || error.hasChild("item-not-found")) {
2914                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back as ignorable error");
2915                } else {
2916                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " failed. attempting rejoin");
2917                    joinMuc(conversation);
2918                }
2919            } else if (response.getType() == IqPacket.TYPE.RESULT) {
2920                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back fine");
2921            }
2922            synchronized (account.inProgressConferencePings) {
2923                account.inProgressConferencePings.remove(conversation);
2924            }
2925        });
2926    }
2927    public void joinMuc(Conversation conversation) {
2928        joinMuc(conversation, null, false);
2929    }
2930
2931    public void joinMuc(Conversation conversation, boolean followedInvite) {
2932        joinMuc(conversation, null, followedInvite);
2933    }
2934
2935    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2936        joinMuc(conversation, onConferenceJoined, false);
2937    }
2938
2939    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2940        final Account account = conversation.getAccount();
2941        synchronized (account.pendingConferenceJoins) {
2942            account.pendingConferenceJoins.remove(conversation);
2943        }
2944        synchronized (account.pendingConferenceLeaves) {
2945            account.pendingConferenceLeaves.remove(conversation);
2946        }
2947        if (account.getStatus() == Account.State.ONLINE) {
2948            synchronized (account.inProgressConferenceJoins) {
2949                account.inProgressConferenceJoins.add(conversation);
2950            }
2951            if (Config.MUC_LEAVE_BEFORE_JOIN) {
2952                sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2953            }
2954            conversation.resetMucOptions();
2955            if (onConferenceJoined != null) {
2956                conversation.getMucOptions().flagNoAutoPushConfiguration();
2957            }
2958            conversation.setHasMessagesLeftOnServer(false);
2959            fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2960
2961                private void join(Conversation conversation) {
2962                    Account account = conversation.getAccount();
2963                    final MucOptions mucOptions = conversation.getMucOptions();
2964
2965                    if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
2966                        synchronized (account.inProgressConferenceJoins) {
2967                            account.inProgressConferenceJoins.remove(conversation);
2968                        }
2969                        mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
2970                        updateConversationUi();
2971                        if (onConferenceJoined != null) {
2972                            onConferenceJoined.onConferenceJoined(conversation);
2973                        }
2974                        return;
2975                    }
2976
2977                    final Jid joinJid = mucOptions.getSelf().getFullJid();
2978                    Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2979                    PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2980                    packet.setTo(joinJid);
2981                    Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2982                    if (conversation.getMucOptions().getPassword() != null) {
2983                        x.addChild("password").setContent(mucOptions.getPassword());
2984                    }
2985
2986                    if (mucOptions.mamSupport()) {
2987                        // Use MAM instead of the limited muc history to get history
2988                        x.addChild("history").setAttribute("maxchars", "0");
2989                    } else {
2990                        // Fallback to muc history
2991                        x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2992                    }
2993                    sendPresencePacket(account, packet);
2994                    if (onConferenceJoined != null) {
2995                        onConferenceJoined.onConferenceJoined(conversation);
2996                    }
2997                    if (!joinJid.equals(conversation.getJid())) {
2998                        conversation.setContactJid(joinJid);
2999                        databaseBackend.updateConversation(conversation);
3000                    }
3001
3002                    if (mucOptions.mamSupport()) {
3003                        getMessageArchiveService().catchupMUC(conversation);
3004                    }
3005                    if (mucOptions.isPrivateAndNonAnonymous()) {
3006                        fetchConferenceMembers(conversation);
3007
3008                        if (followedInvite) {
3009                            final Bookmark bookmark = conversation.getBookmark();
3010                            if (bookmark != null) {
3011                                if (!bookmark.autojoin()) {
3012                                    bookmark.setAutojoin(true);
3013                                    createBookmark(account, bookmark);
3014                                }
3015                            } else {
3016                                saveConversationAsBookmark(conversation, null);
3017                            }
3018                        }
3019                    }
3020                    synchronized (account.inProgressConferenceJoins) {
3021                        account.inProgressConferenceJoins.remove(conversation);
3022                        sendUnsentMessages(conversation);
3023                    }
3024                }
3025
3026                @Override
3027                public void onConferenceConfigurationFetched(Conversation conversation) {
3028                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3029                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
3030                        return;
3031                    }
3032                    join(conversation);
3033                }
3034
3035                @Override
3036                public void onFetchFailed(final Conversation conversation, final String errorCondition) {
3037                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3038                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
3039                        return;
3040                    }
3041                    if ("remote-server-not-found".equals(errorCondition)) {
3042                        synchronized (account.inProgressConferenceJoins) {
3043                            account.inProgressConferenceJoins.remove(conversation);
3044                        }
3045                        conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
3046                        updateConversationUi();
3047                    } else {
3048                        join(conversation);
3049                        fetchConferenceConfiguration(conversation);
3050                    }
3051                }
3052            });
3053            updateConversationUi();
3054        } else {
3055            synchronized (account.pendingConferenceJoins) {
3056                account.pendingConferenceJoins.add(conversation);
3057            }
3058            conversation.resetMucOptions();
3059            conversation.setHasMessagesLeftOnServer(false);
3060            updateConversationUi();
3061        }
3062    }
3063
3064    private void fetchConferenceMembers(final Conversation conversation) {
3065        final Account account = conversation.getAccount();
3066        final AxolotlService axolotlService = account.getAxolotlService();
3067        final String[] affiliations = {"member", "admin", "owner"};
3068        OnIqPacketReceived callback = new OnIqPacketReceived() {
3069
3070            private int i = 0;
3071            private boolean success = true;
3072
3073            @Override
3074            public void onIqPacketReceived(Account account, IqPacket packet) {
3075                final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
3076                Element query = packet.query("http://jabber.org/protocol/muc#admin");
3077                if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
3078                    for (Element child : query.getChildren()) {
3079                        if ("item".equals(child.getName())) {
3080                            MucOptions.User user = AbstractParser.parseItem(conversation, child);
3081                            if (!user.realJidMatchesAccount()) {
3082                                boolean isNew = conversation.getMucOptions().updateUser(user);
3083                                Contact contact = user.getContact();
3084                                if (omemoEnabled
3085                                        && isNew
3086                                        && user.getRealJid() != null
3087                                        && (contact == null || !contact.mutualPresenceSubscription())
3088                                        && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
3089                                    axolotlService.fetchDeviceIds(user.getRealJid());
3090                                }
3091                            }
3092                        }
3093                    }
3094                } else {
3095                    success = false;
3096                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
3097                }
3098                ++i;
3099                if (i >= affiliations.length) {
3100                    List<Jid> members = conversation.getMucOptions().getMembers(true);
3101                    if (success) {
3102                        List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
3103                        boolean changed = false;
3104                        for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
3105                            Jid jid = iterator.next();
3106                            if (!members.contains(jid) && !members.contains(jid.getDomain())) {
3107                                iterator.remove();
3108                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
3109                                changed = true;
3110                            }
3111                        }
3112                        if (changed) {
3113                            conversation.setAcceptedCryptoTargets(cryptoTargets);
3114                            updateConversation(conversation);
3115                        }
3116                    }
3117                    getAvatarService().clear(conversation);
3118                    updateMucRosterUi();
3119                    updateConversationUi();
3120                }
3121            }
3122        };
3123        for (String affiliation : affiliations) {
3124            sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
3125        }
3126        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
3127    }
3128
3129    public void providePasswordForMuc(Conversation conversation, String password) {
3130        if (conversation.getMode() == Conversation.MODE_MULTI) {
3131            conversation.getMucOptions().setPassword(password);
3132            if (conversation.getBookmark() != null) {
3133                final Bookmark bookmark = conversation.getBookmark();
3134                if (synchronizeWithBookmarks()) {
3135                    bookmark.setAutojoin(true);
3136                }
3137                createBookmark(conversation.getAccount(), bookmark);
3138            }
3139            updateConversation(conversation);
3140            joinMuc(conversation);
3141        }
3142    }
3143
3144    public void deleteAvatar(final Account account) {
3145        final AtomicBoolean executed = new AtomicBoolean(false);
3146        final Runnable onDeleted =
3147                () -> {
3148                    if (executed.compareAndSet(false, true)) {
3149                        account.setAvatar(null);
3150                        databaseBackend.updateAccount(account);
3151                        getAvatarService().clear(account);
3152                        updateAccountUi();
3153                    }
3154                };
3155        deleteVcardAvatar(account, onDeleted);
3156        deletePepNode(account, Namespace.AVATAR_DATA);
3157        deletePepNode(account, Namespace.AVATAR_METADATA, onDeleted);
3158    }
3159
3160    public void deletePepNode(final Account account, final String node) {
3161        deletePepNode(account, node, null);
3162    }
3163
3164    private void deletePepNode(final Account account, final String node, final Runnable runnable) {
3165        final IqPacket request = mIqGenerator.deleteNode(node);
3166        sendIqPacket(account, request, (a, packet) -> {
3167            if (packet.getType() == IqPacket.TYPE.RESULT) {
3168                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": successfully deleted pep node "+node);
3169                if (runnable != null) {
3170                    runnable.run();
3171                }
3172            } else {
3173                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": failed to delete "+ packet);
3174            }
3175        });
3176    }
3177
3178    private void deleteVcardAvatar(final Account account, @NonNull final Runnable runnable) {
3179        final IqPacket retrieveVcard = mIqGenerator.retrieveVcardAvatar(account.getJid().asBareJid());
3180        sendIqPacket(account, retrieveVcard, (a, response) -> {
3181            if (response.getType() != IqPacket.TYPE.RESULT) {
3182                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": no vCard set. nothing to do");
3183                return;
3184            }
3185            final Element vcard = response.findChild("vCard", "vcard-temp");
3186            if (vcard == null) {
3187                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": no vCard set. nothing to do");
3188                return;
3189            }
3190            Element photo = vcard.findChild("PHOTO");
3191            if (photo == null) {
3192                photo = vcard.addChild("PHOTO");
3193            }
3194            photo.clearChildren();
3195            IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3196            publication.setTo(a.getJid().asBareJid());
3197            publication.addChild(vcard);
3198            sendIqPacket(account, publication, (a1, publicationResponse) -> {
3199                if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3200                    Log.d(Config.LOGTAG,a1.getJid().asBareJid()+": successfully deleted vcard avatar");
3201                    runnable.run();
3202                } else {
3203                    Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3204                }
3205            });
3206        });
3207    }
3208
3209    private boolean hasEnabledAccounts() {
3210        if (this.accounts == null) {
3211            return false;
3212        }
3213        for (Account account : this.accounts) {
3214            if (account.isEnabled()) {
3215                return true;
3216            }
3217        }
3218        return false;
3219    }
3220
3221
3222    public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
3223        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
3224    }
3225
3226    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3227        getAttachments(account.getUuid(), jid.asBareJid(), limit, onMediaLoaded);
3228    }
3229
3230
3231    public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3232        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
3233    }
3234
3235    public void persistSelfNick(MucOptions.User self) {
3236        final Conversation conversation = self.getConversation();
3237        final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
3238        Jid full = self.getFullJid();
3239        if (!full.equals(conversation.getJid())) {
3240            Log.d(Config.LOGTAG, "nick changed. updating");
3241            conversation.setContactJid(full);
3242            databaseBackend.updateConversation(conversation);
3243        }
3244
3245        final Bookmark bookmark = conversation.getBookmark();
3246        final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
3247        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
3248            final Account account = conversation.getAccount();
3249            final String defaultNick = MucOptions.defaultNick(account);
3250            if (TextUtils.isEmpty(bookmarkedNick) && full.getResource().equals(defaultNick)) {
3251                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": do not overwrite empty bookmark nick with default nick for " + conversation.getJid().asBareJid());
3252                return;
3253            }
3254            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
3255            bookmark.setNick(full.getResource());
3256            createBookmark(bookmark.getAccount(), bookmark);
3257        }
3258    }
3259
3260    public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
3261        final MucOptions options = conversation.getMucOptions();
3262        final Jid joinJid = options.createJoinJid(nick);
3263        if (joinJid == null) {
3264            return false;
3265        }
3266        if (options.online()) {
3267            Account account = conversation.getAccount();
3268            options.setOnRenameListener(new OnRenameListener() {
3269
3270                @Override
3271                public void onSuccess() {
3272                    callback.success(conversation);
3273                }
3274
3275                @Override
3276                public void onFailure() {
3277                    callback.error(R.string.nick_in_use, conversation);
3278                }
3279            });
3280
3281            final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous());
3282            packet.setTo(joinJid);
3283            sendPresencePacket(account, packet);
3284        } else {
3285            conversation.setContactJid(joinJid);
3286            databaseBackend.updateConversation(conversation);
3287            if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
3288                Bookmark bookmark = conversation.getBookmark();
3289                if (bookmark != null) {
3290                    bookmark.setNick(nick);
3291                    createBookmark(bookmark.getAccount(), bookmark);
3292                }
3293                joinMuc(conversation);
3294            }
3295        }
3296        return true;
3297    }
3298
3299    public void leaveMuc(Conversation conversation) {
3300        leaveMuc(conversation, false);
3301    }
3302
3303    private void leaveMuc(Conversation conversation, boolean now) {
3304        final Account account = conversation.getAccount();
3305        synchronized (account.pendingConferenceJoins) {
3306            account.pendingConferenceJoins.remove(conversation);
3307        }
3308        synchronized (account.pendingConferenceLeaves) {
3309            account.pendingConferenceLeaves.remove(conversation);
3310        }
3311        if (account.getStatus() == Account.State.ONLINE || now) {
3312            sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
3313            conversation.getMucOptions().setOffline();
3314            Bookmark bookmark = conversation.getBookmark();
3315            if (bookmark != null) {
3316                bookmark.setConversation(null);
3317            }
3318            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
3319        } else {
3320            synchronized (account.pendingConferenceLeaves) {
3321                account.pendingConferenceLeaves.add(conversation);
3322            }
3323        }
3324    }
3325
3326    public String findConferenceServer(final Account account) {
3327        String server;
3328        if (account.getXmppConnection() != null) {
3329            server = account.getXmppConnection().getMucServer();
3330            if (server != null) {
3331                return server;
3332            }
3333        }
3334        for (Account other : getAccounts()) {
3335            if (other != account && other.getXmppConnection() != null) {
3336                server = other.getXmppConnection().getMucServer();
3337                if (server != null) {
3338                    return server;
3339                }
3340            }
3341        }
3342        return null;
3343    }
3344
3345
3346    public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
3347        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
3348            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
3349            if (!TextUtils.isEmpty(name)) {
3350                configuration.putString("muc#roomconfig_roomname", name);
3351            }
3352            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3353                @Override
3354                public void onPushSucceeded() {
3355                    saveConversationAsBookmark(conversation, name);
3356                    callback.success(conversation);
3357                }
3358
3359                @Override
3360                public void onPushFailed() {
3361                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
3362                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
3363                    } else {
3364                        callback.error(R.string.joined_an_existing_channel, conversation);
3365                    }
3366                }
3367            });
3368        });
3369    }
3370
3371    public boolean createAdhocConference(final Account account,
3372                                         final String name,
3373                                         final Iterable<Jid> jids,
3374                                         final UiCallback<Conversation> callback) {
3375        Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
3376        if (account.getStatus() == Account.State.ONLINE) {
3377            try {
3378                String server = findConferenceServer(account);
3379                if (server == null) {
3380                    if (callback != null) {
3381                        callback.error(R.string.no_conference_server_found, null);
3382                    }
3383                    return false;
3384                }
3385                final Jid jid = Jid.of(CryptoHelper.pronounceable(), server, null);
3386                final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
3387                joinMuc(conversation, new OnConferenceJoined() {
3388                    @Override
3389                    public void onConferenceJoined(final Conversation conversation) {
3390                        final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
3391                        if (!TextUtils.isEmpty(name)) {
3392                            configuration.putString("muc#roomconfig_roomname", name);
3393                        }
3394                        pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3395                            @Override
3396                            public void onPushSucceeded() {
3397                                for (Jid invite : jids) {
3398                                    invite(conversation, invite);
3399                                }
3400                                for (String resource : account.getSelfContact().getPresences().toResourceArray()) {
3401                                    Jid other = account.getJid().withResource(resource);
3402                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending direct invite to " + other);
3403                                    directInvite(conversation, other);
3404                                }
3405                                saveConversationAsBookmark(conversation, name);
3406                                if (callback != null) {
3407                                    callback.success(conversation);
3408                                }
3409                            }
3410
3411                            @Override
3412                            public void onPushFailed() {
3413                                archiveConversation(conversation);
3414                                if (callback != null) {
3415                                    callback.error(R.string.conference_creation_failed, conversation);
3416                                }
3417                            }
3418                        });
3419                    }
3420                });
3421                return true;
3422            } catch (IllegalArgumentException e) {
3423                if (callback != null) {
3424                    callback.error(R.string.conference_creation_failed, null);
3425                }
3426                return false;
3427            }
3428        } else {
3429            if (callback != null) {
3430                callback.error(R.string.not_connected_try_again, null);
3431            }
3432            return false;
3433        }
3434    }
3435
3436    public void checkIfMuc(final Account account, final Jid jid, Consumer<Boolean> cb) {
3437        IqPacket request = mIqGenerator.queryDiscoInfo(jid.asBareJid());
3438        sendIqPacket(account, request, (acct, reply) -> {
3439            ServiceDiscoveryResult result = new ServiceDiscoveryResult(reply);
3440            cb.accept(
3441                result.getFeatures().contains("http://jabber.org/protocol/muc") &&
3442                result.hasIdentity("conference", null)
3443            );
3444        });
3445    }
3446
3447    public void fetchConferenceConfiguration(final Conversation conversation) {
3448        fetchConferenceConfiguration(conversation, null);
3449    }
3450
3451    public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
3452        IqPacket request = mIqGenerator.queryDiscoInfo(conversation.getJid().asBareJid());
3453        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3454            @Override
3455            public void onIqPacketReceived(Account account, IqPacket packet) {
3456                if (packet.getType() == IqPacket.TYPE.RESULT) {
3457                    final MucOptions mucOptions = conversation.getMucOptions();
3458                    final Bookmark bookmark = conversation.getBookmark();
3459                    final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
3460
3461                    if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
3462                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
3463                        updateConversation(conversation);
3464                    }
3465
3466                    if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
3467                        if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
3468                            createBookmark(account, bookmark);
3469                        }
3470                    }
3471
3472
3473                    if (callback != null) {
3474                        callback.onConferenceConfigurationFetched(conversation);
3475                    }
3476
3477
3478                    updateConversationUi();
3479                } else if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
3480                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received timeout waiting for conference configuration fetch");
3481                } else {
3482                    if (callback != null) {
3483                        callback.onFetchFailed(conversation, packet.getErrorCondition());
3484                    }
3485                }
3486            }
3487        });
3488    }
3489
3490    public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3491        pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3492    }
3493
3494    public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3495        Log.d(Config.LOGTAG, "pushing node configuration");
3496        sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3497            @Override
3498            public void onIqPacketReceived(Account account, IqPacket packet) {
3499                if (packet.getType() == IqPacket.TYPE.RESULT) {
3500                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3501                    Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3502                    Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3503                    if (x != null) {
3504                        Data data = Data.parse(x);
3505                        data.submit(options);
3506                        sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3507                            @Override
3508                            public void onIqPacketReceived(Account account, IqPacket packet) {
3509                                if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3510                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": successfully changed node configuration for node " + node);
3511                                    callback.onPushSucceeded();
3512                                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3513                                    callback.onPushFailed();
3514                                }
3515                            }
3516                        });
3517                    } else if (callback != null) {
3518                        callback.onPushFailed();
3519                    }
3520                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3521                    callback.onPushFailed();
3522                }
3523            }
3524        });
3525    }
3526
3527    public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3528        if (options.getString("muc#roomconfig_whois", "moderators").equals("anyone")) {
3529            conversation.setAttribute("accept_non_anonymous", true);
3530            updateConversation(conversation);
3531        }
3532        if (options.containsKey("muc#roomconfig_moderatedroom")) {
3533            final boolean moderated = "1".equals(options.getString("muc#roomconfig_moderatedroom"));
3534            options.putString("members_by_default", moderated ? "0" : "1");
3535        }
3536        final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3537        request.setTo(conversation.getJid().asBareJid());
3538        request.query("http://jabber.org/protocol/muc#owner");
3539        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3540            @Override
3541            public void onIqPacketReceived(Account account, IqPacket packet) {
3542                if (packet.getType() == IqPacket.TYPE.RESULT) {
3543                    final Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3544                    data.submit(options);
3545                    final IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3546                    set.setTo(conversation.getJid().asBareJid());
3547                    set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3548                    sendIqPacket(account, set, new OnIqPacketReceived() {
3549                        @Override
3550                        public void onIqPacketReceived(Account account, IqPacket packet) {
3551                            if (callback != null) {
3552                                if (packet.getType() == IqPacket.TYPE.RESULT) {
3553                                    callback.onPushSucceeded();
3554                                } else {
3555                                    callback.onPushFailed();
3556                                }
3557                            }
3558                        }
3559                    });
3560                } else {
3561                    if (callback != null) {
3562                        callback.onPushFailed();
3563                    }
3564                }
3565            }
3566        });
3567    }
3568
3569    public void pushSubjectToConference(final Conversation conference, final String subject) {
3570        MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3571        this.sendMessagePacket(conference.getAccount(), packet);
3572    }
3573
3574    public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3575        final Jid jid = user.asBareJid();
3576        final IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3577        sendIqPacket(conference.getAccount(), request, (account, response) -> {
3578            if (response.getType() == IqPacket.TYPE.RESULT) {
3579                conference.getMucOptions().changeAffiliation(jid, affiliation);
3580                getAvatarService().clear(conference);
3581                if (callback != null) {
3582                    callback.onAffiliationChangedSuccessful(jid);
3583                } else {
3584                    Log.d(Config.LOGTAG, "changed affiliation of " + user + " to " + affiliation);
3585                }
3586            } else if (callback != null) {
3587                callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3588            } else {
3589                Log.d(Config.LOGTAG, "unable to change affiliation");
3590            }
3591        });
3592    }
3593
3594    public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3595        IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3596        sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3597            if (packet.getType() != IqPacket.TYPE.RESULT) {
3598                Log.d(Config.LOGTAG, account.getJid().asBareJid() + " unable to change role of " + nick);
3599            }
3600        });
3601    }
3602
3603    public void moderateMessage(final Account account, final Message m, final String reason) {
3604        IqPacket request = this.mIqGenerator.moderateMessage(account, m, reason);
3605        sendIqPacket(account, request, (a, packet) -> {
3606            if (packet.getType() != IqPacket.TYPE.RESULT) {
3607                showErrorToastInUi(R.string.unable_to_moderate);
3608                Log.d(Config.LOGTAG, a.getJid().asBareJid() + " unable to moderate: " + packet);
3609            }
3610        });
3611    }
3612
3613    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3614        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3615        request.setTo(conversation.getJid().asBareJid());
3616        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3617        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3618            @Override
3619            public void onIqPacketReceived(Account account, IqPacket packet) {
3620                if (packet.getType() == IqPacket.TYPE.RESULT) {
3621                    if (callback != null) {
3622                        callback.onRoomDestroySucceeded();
3623                    }
3624                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3625                    if (callback != null) {
3626                        callback.onRoomDestroyFailed();
3627                    }
3628                }
3629            }
3630        });
3631    }
3632
3633    private void disconnect(Account account, boolean force) {
3634        if ((account.getStatus() == Account.State.ONLINE)
3635                || (account.getStatus() == Account.State.DISABLED)) {
3636            final XmppConnection connection = account.getXmppConnection();
3637            if (!force) {
3638                List<Conversation> conversations = getConversations();
3639                for (Conversation conversation : conversations) {
3640                    if (conversation.getAccount() == account) {
3641                        if (conversation.getMode() == Conversation.MODE_MULTI) {
3642                            leaveMuc(conversation, true);
3643                        }
3644                    }
3645                }
3646                sendOfflinePresence(account);
3647            }
3648            connection.disconnect(force);
3649        }
3650    }
3651
3652    @Override
3653    public IBinder onBind(Intent intent) {
3654        return mBinder;
3655    }
3656
3657    public void updateMessage(Message message) {
3658        updateMessage(message, true);
3659    }
3660
3661    public void updateMessage(Message message, boolean includeBody) {
3662        databaseBackend.updateMessage(message, includeBody);
3663        updateConversationUi();
3664    }
3665
3666    public void createMessageAsync(final Message message) {
3667        mDatabaseWriterExecutor.execute(() -> databaseBackend.createMessage(message));
3668    }
3669
3670    public void updateMessage(Message message, String uuid) {
3671        if (!databaseBackend.updateMessage(message, uuid)) {
3672            Log.e(Config.LOGTAG, "error updated message in DB after edit");
3673        }
3674        updateConversationUi();
3675    }
3676
3677    protected void syncDirtyContacts(Account account) {
3678        for (Contact contact : account.getRoster().getContacts()) {
3679            if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
3680                pushContactToServer(contact);
3681            }
3682            if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
3683                deleteContactOnServer(contact);
3684            }
3685        }
3686    }
3687
3688    protected void unregisterPhoneAccounts(final Account account) {
3689        for (final Contact contact : account.getRoster().getContacts()) {
3690            if (!contact.showInRoster()) {
3691                contact.unregisterAsPhoneAccount(this);
3692            }
3693        }
3694    }
3695
3696    public void createContact(final Contact contact, final boolean autoGrant) {
3697        createContact(contact, autoGrant, null);
3698    }
3699
3700    public void createContact(final Contact contact, final boolean autoGrant, final String preAuth) {
3701        if (autoGrant) {
3702            contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
3703            contact.setOption(Contact.Options.ASKING);
3704        }
3705        pushContactToServer(contact, preAuth);
3706    }
3707
3708    public void pushContactToServer(final Contact contact) {
3709        pushContactToServer(contact, null);
3710    }
3711
3712    private void pushContactToServer(final Contact contact, final String preAuth) {
3713        contact.resetOption(Contact.Options.DIRTY_DELETE);
3714        contact.setOption(Contact.Options.DIRTY_PUSH);
3715        final Account account = contact.getAccount();
3716        if (account.getStatus() == Account.State.ONLINE) {
3717            final boolean ask = contact.getOption(Contact.Options.ASKING);
3718            final boolean sendUpdates = contact
3719                    .getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
3720                    && contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
3721            final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3722            iq.query(Namespace.ROSTER).addChild(contact.asElement());
3723            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3724            if (sendUpdates) {
3725                sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
3726            }
3727            if (ask) {
3728                sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact, preAuth));
3729            }
3730        } else {
3731            syncRoster(contact.getAccount());
3732        }
3733    }
3734
3735    public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
3736        new Thread(() -> {
3737            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3738            final int size = Config.AVATAR_SIZE;
3739            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3740            if (avatar != null) {
3741                if (!getFileBackend().save(avatar)) {
3742                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3743                    return;
3744                }
3745                avatar.owner = conversation.getJid().asBareJid();
3746                publishMucAvatar(conversation, avatar, callback);
3747            } else {
3748                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3749            }
3750        }).start();
3751    }
3752
3753    public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
3754        new Thread(() -> {
3755            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3756            final int size = Config.AVATAR_SIZE;
3757            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3758            if (avatar != null) {
3759                if (!getFileBackend().save(avatar)) {
3760                    Log.d(Config.LOGTAG, "unable to save vcard");
3761                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3762                    return;
3763                }
3764                publishAvatar(account, avatar, callback);
3765            } else {
3766                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3767            }
3768        }).start();
3769
3770    }
3771
3772    private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
3773        final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
3774        sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
3775            boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
3776            if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
3777                Element vcard = response.findChild("vCard", "vcard-temp");
3778                if (vcard == null) {
3779                    vcard = new Element("vCard", "vcard-temp");
3780                }
3781                Element photo = vcard.findChild("PHOTO");
3782                if (photo == null) {
3783                    photo = vcard.addChild("PHOTO");
3784                }
3785                photo.clearChildren();
3786                photo.addChild("TYPE").setContent(avatar.type);
3787                photo.addChild("BINVAL").setContent(avatar.image);
3788                IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3789                publication.setTo(conversation.getJid().asBareJid());
3790                publication.addChild(vcard);
3791                sendIqPacket(account, publication, (a1, publicationResponse) -> {
3792                    if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3793                        callback.onAvatarPublicationSucceeded();
3794                    } else {
3795                        Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3796                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3797                    }
3798                });
3799            } else {
3800                Log.d(Config.LOGTAG, "failed to request vcard " + response);
3801                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
3802            }
3803        });
3804    }
3805
3806    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
3807        final Bundle options;
3808        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
3809            options = PublishOptions.openAccess();
3810        } else {
3811            options = null;
3812        }
3813        publishAvatar(account, avatar, options, true, callback);
3814    }
3815
3816    public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3817        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": publishing avatar. options=" + options);
3818        IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
3819        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3820
3821            @Override
3822            public void onIqPacketReceived(Account account, IqPacket result) {
3823                if (result.getType() == IqPacket.TYPE.RESULT) {
3824                    publishAvatarMetadata(account, avatar, options, true, callback);
3825                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3826                    pushNodeConfiguration(account, Namespace.AVATAR_DATA, options, new OnConfigurationPushed() {
3827                        @Override
3828                        public void onPushSucceeded() {
3829                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar node");
3830                            publishAvatar(account, avatar, options, false, callback);
3831                        }
3832
3833                        @Override
3834                        public void onPushFailed() {
3835                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar node");
3836                            publishAvatar(account, avatar, null, false, callback);
3837                        }
3838                    });
3839                } else {
3840                    Element error = result.findChild("error");
3841                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3842                    if (callback != null) {
3843                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3844                    }
3845                }
3846            }
3847        });
3848    }
3849
3850    public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3851        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3852        sendIqPacket(account, packet, new OnIqPacketReceived() {
3853            @Override
3854            public void onIqPacketReceived(Account account, IqPacket result) {
3855                if (result.getType() == IqPacket.TYPE.RESULT) {
3856                    if (account.setAvatar(avatar.getFilename())) {
3857                        getAvatarService().clear(account);
3858                        databaseBackend.updateAccount(account);
3859                        notifyAccountAvatarHasChanged(account);
3860                    }
3861                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3862                    if (callback != null) {
3863                        callback.onAvatarPublicationSucceeded();
3864                    }
3865                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3866                    pushNodeConfiguration(account, Namespace.AVATAR_METADATA, options, new OnConfigurationPushed() {
3867                        @Override
3868                        public void onPushSucceeded() {
3869                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar meta data node");
3870                            publishAvatarMetadata(account, avatar, options, false, callback);
3871                        }
3872
3873                        @Override
3874                        public void onPushFailed() {
3875                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar meta data node");
3876                            publishAvatarMetadata(account, avatar, null, false, callback);
3877                        }
3878                    });
3879                } else {
3880                    if (callback != null) {
3881                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3882                    }
3883                }
3884            }
3885        });
3886    }
3887
3888    public void republishAvatarIfNeeded(Account account) {
3889        if (account.getAxolotlService().isPepBroken()) {
3890            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3891            return;
3892        }
3893        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3894        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3895
3896            private Avatar parseAvatar(IqPacket packet) {
3897                Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3898                if (pubsub != null) {
3899                    Element items = pubsub.findChild("items");
3900                    if (items != null) {
3901                        return Avatar.parseMetadata(items);
3902                    }
3903                }
3904                return null;
3905            }
3906
3907            private boolean errorIsItemNotFound(IqPacket packet) {
3908                Element error = packet.findChild("error");
3909                return packet.getType() == IqPacket.TYPE.ERROR
3910                        && error != null
3911                        && error.hasChild("item-not-found");
3912            }
3913
3914            @Override
3915            public void onIqPacketReceived(Account account, IqPacket packet) {
3916                if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3917                    Avatar serverAvatar = parseAvatar(packet);
3918                    if (serverAvatar == null && account.getAvatar() != null) {
3919                        Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3920                        if (avatar != null) {
3921                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3922                            publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3923                        } else {
3924                            Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3925                        }
3926                    }
3927                }
3928            }
3929        });
3930    }
3931
3932    public void fetchAvatar(Account account, Avatar avatar) {
3933        fetchAvatar(account, avatar, null);
3934    }
3935
3936    public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3937        if (databaseBackend.isBlockedMedia(avatar.cid())) {
3938            if (callback != null) callback.error(0, null);
3939            return;
3940        }
3941
3942        final String KEY = generateFetchKey(account, avatar);
3943        synchronized (this.mInProgressAvatarFetches) {
3944            if (mInProgressAvatarFetches.add(KEY)) {
3945                switch (avatar.origin) {
3946                    case PEP:
3947                        this.mInProgressAvatarFetches.add(KEY);
3948                        fetchAvatarPep(account, avatar, callback);
3949                        break;
3950                    case VCARD:
3951                        this.mInProgressAvatarFetches.add(KEY);
3952                        fetchAvatarVcard(account, avatar, callback);
3953                        break;
3954                }
3955            } else if (avatar.origin == Avatar.Origin.PEP) {
3956                mOmittedPepAvatarFetches.add(KEY);
3957            } else {
3958                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": already fetching " + avatar.origin + " avatar for " + avatar.owner);
3959            }
3960        }
3961    }
3962
3963    private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3964        IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3965        sendIqPacket(account, packet, (a, result) -> {
3966            synchronized (mInProgressAvatarFetches) {
3967                mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3968            }
3969            final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3970            if (result.getType() == IqPacket.TYPE.RESULT) {
3971                avatar.image = mIqParser.avatarData(result);
3972                if (avatar.image != null) {
3973                    if (getFileBackend().save(avatar)) {
3974                        if (a.getJid().asBareJid().equals(avatar.owner)) {
3975                            if (a.setAvatar(avatar.getFilename())) {
3976                                databaseBackend.updateAccount(a);
3977                            }
3978                            getAvatarService().clear(a);
3979                            updateConversationUi();
3980                            updateAccountUi();
3981                        } else {
3982                            final Contact contact = a.getRoster().getContact(avatar.owner);
3983                            contact.setAvatar(avatar);
3984                            syncRoster(account);
3985                            getAvatarService().clear(contact);
3986                            updateConversationUi();
3987                            updateRosterUi();
3988                        }
3989                        if (callback != null) {
3990                            callback.success(avatar);
3991                        }
3992                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": successfully fetched pep avatar for " + avatar.owner);
3993                        return;
3994                    }
3995                } else {
3996
3997                    Log.d(Config.LOGTAG, ERROR + "(parsing error)");
3998                }
3999            } else {
4000                Element error = result.findChild("error");
4001                if (error == null) {
4002                    Log.d(Config.LOGTAG, ERROR + "(server error)");
4003                } else {
4004                    Log.d(Config.LOGTAG, ERROR + error.toString());
4005                }
4006            }
4007            if (callback != null) {
4008                callback.error(0, null);
4009            }
4010
4011        });
4012    }
4013
4014    private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
4015        IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
4016        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
4017            @Override
4018            public void onIqPacketReceived(Account account, IqPacket packet) {
4019                final boolean previouslyOmittedPepFetch;
4020                synchronized (mInProgressAvatarFetches) {
4021                    final String KEY = generateFetchKey(account, avatar);
4022                    mInProgressAvatarFetches.remove(KEY);
4023                    previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
4024                }
4025                if (packet.getType() == IqPacket.TYPE.RESULT) {
4026                    Element vCard = packet.findChild("vCard", "vcard-temp");
4027                    Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
4028                    String image = photo != null ? photo.findChildContent("BINVAL") : null;
4029                    if (image != null) {
4030                        avatar.image = image;
4031                        if (getFileBackend().save(avatar)) {
4032                            Log.d(Config.LOGTAG, account.getJid().asBareJid()
4033                                    + ": successfully fetched vCard avatar for " + avatar.owner + " omittedPep=" + previouslyOmittedPepFetch);
4034                            if (avatar.owner.isBareJid()) {
4035                                if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
4036                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
4037                                    account.setAvatar(avatar.getFilename());
4038                                    databaseBackend.updateAccount(account);
4039                                    getAvatarService().clear(account);
4040                                    updateAccountUi();
4041                                } else {
4042                                    final Contact contact = account.getRoster().getContact(avatar.owner);
4043                                    contact.setAvatar(avatar, previouslyOmittedPepFetch);
4044                                    syncRoster(account);
4045                                    getAvatarService().clear(contact);
4046                                    updateRosterUi();
4047                                }
4048                                updateConversationUi();
4049                            } else {
4050                                Conversation conversation = find(account, avatar.owner.asBareJid());
4051                                if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
4052                                    MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
4053                                    if (user != null) {
4054                                        if (user.setAvatar(avatar)) {
4055                                            getAvatarService().clear(user);
4056                                            updateConversationUi();
4057                                            updateMucRosterUi();
4058                                        }
4059                                        if (user.getRealJid() != null) {
4060                                            Contact contact = account.getRoster().getContact(user.getRealJid());
4061                                            contact.setAvatar(avatar);
4062                                            syncRoster(account);
4063                                            getAvatarService().clear(contact);
4064                                            updateRosterUi();
4065                                        }
4066                                    }
4067                                }
4068                            }
4069                        }
4070                    }
4071                }
4072            }
4073        });
4074    }
4075
4076    public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
4077        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
4078        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
4079
4080            @Override
4081            public void onIqPacketReceived(Account account, IqPacket packet) {
4082                if (packet.getType() == IqPacket.TYPE.RESULT) {
4083                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
4084                    if (pubsub != null) {
4085                        Element items = pubsub.findChild("items");
4086                        if (items != null) {
4087                            Avatar avatar = Avatar.parseMetadata(items);
4088                            if (avatar != null) {
4089                                avatar.owner = account.getJid().asBareJid();
4090                                if (fileBackend.isAvatarCached(avatar)) {
4091                                    if (account.setAvatar(avatar.getFilename())) {
4092                                        databaseBackend.updateAccount(account);
4093                                    }
4094                                    getAvatarService().clear(account);
4095                                    callback.success(avatar);
4096                                } else {
4097                                    fetchAvatarPep(account, avatar, callback);
4098                                }
4099                                return;
4100                            }
4101                        }
4102                    }
4103                }
4104                callback.error(0, null);
4105            }
4106        });
4107    }
4108
4109    public void notifyAccountAvatarHasChanged(final Account account) {
4110        final XmppConnection connection = account.getXmppConnection();
4111        if (connection != null && connection.getFeatures().bookmarksConversion()) {
4112            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar changed. resending presence to online group chats");
4113            for (Conversation conversation : conversations) {
4114                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
4115                    final MucOptions mucOptions = conversation.getMucOptions();
4116                    if (mucOptions.online()) {
4117                        PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
4118                        packet.setTo(mucOptions.getSelf().getFullJid());
4119                        connection.sendPresencePacket(packet);
4120                    }
4121                }
4122            }
4123        }
4124    }
4125
4126    public void deleteContactOnServer(Contact contact) {
4127        contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
4128        contact.resetOption(Contact.Options.DIRTY_PUSH);
4129        contact.setOption(Contact.Options.DIRTY_DELETE);
4130        Account account = contact.getAccount();
4131        if (account.getStatus() == Account.State.ONLINE) {
4132            IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
4133            Element item = iq.query(Namespace.ROSTER).addChild("item");
4134            item.setAttribute("jid", contact.getJid());
4135            item.setAttribute("subscription", "remove");
4136            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
4137        }
4138    }
4139
4140    public void updateConversation(final Conversation conversation) {
4141        mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
4142    }
4143
4144    private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
4145        synchronized (account) {
4146            XmppConnection connection = account.getXmppConnection();
4147            if (connection == null) {
4148                connection = createConnection(account);
4149                account.setXmppConnection(connection);
4150            }
4151            boolean hasInternet = hasInternetConnection();
4152            if (account.isEnabled() && hasInternet) {
4153                if (!force) {
4154                    disconnect(account, false);
4155                }
4156                Thread thread = new Thread(connection);
4157                connection.setInteractive(interactive);
4158                connection.prepareNewConnection();
4159                connection.interrupt();
4160                thread.start();
4161                scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
4162            } else {
4163                disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
4164                account.getRoster().clearPresences();
4165                connection.resetEverything();
4166                final AxolotlService axolotlService = account.getAxolotlService();
4167                if (axolotlService != null) {
4168                    axolotlService.resetBrokenness();
4169                }
4170                if (!hasInternet) {
4171                    account.setStatus(Account.State.NO_INTERNET);
4172                }
4173            }
4174        }
4175    }
4176
4177    public void reconnectAccountInBackground(final Account account) {
4178        new Thread(() -> reconnectAccount(account, false, true)).start();
4179    }
4180
4181    public void invite(final Conversation conversation, final Jid contact) {
4182        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
4183        final MucOptions.User user = conversation.getMucOptions().findUserByRealJid(contact.asBareJid());
4184        if (user == null || user.getAffiliation() == MucOptions.Affiliation.OUTCAST) {
4185            changeAffiliationInConference(conversation, contact, MucOptions.Affiliation.NONE, null);
4186        }
4187        final MessagePacket packet = mMessageGenerator.invite(conversation, contact);
4188        sendMessagePacket(conversation.getAccount(), packet);
4189    }
4190
4191    public void directInvite(Conversation conversation, Jid jid) {
4192        MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
4193        sendMessagePacket(conversation.getAccount(), packet);
4194    }
4195
4196    public void resetSendingToWaiting(Account account) {
4197        for (Conversation conversation : getConversations()) {
4198            if (conversation.getAccount() == account) {
4199                conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
4200            }
4201        }
4202    }
4203
4204    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
4205        return markMessage(account, recipient, uuid, status, null);
4206    }
4207
4208    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
4209        if (uuid == null) {
4210            return null;
4211        }
4212        for (Conversation conversation : getConversations()) {
4213            if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
4214                final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
4215                if (message != null) {
4216                    markMessage(message, status, errorMessage);
4217                }
4218                return message;
4219            }
4220        }
4221        return null;
4222    }
4223
4224    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId) {
4225        return markMessage(conversation, uuid, status, serverMessageId, null);
4226    }
4227
4228    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId, final LocalizedContent body) {
4229        if (uuid == null) {
4230            return false;
4231        } else {
4232            final Message message = conversation.findSentMessageWithUuid(uuid);
4233            if (message != null) {
4234                if (message.getServerMsgId() == null) {
4235                    message.setServerMsgId(serverMessageId);
4236                }
4237                if (message.getEncryption() == Message.ENCRYPTION_NONE
4238                        && message.isTypeText()
4239                        && isBodyModified(message, body)) {
4240                    message.setBody(body.content);
4241                    if (body.count > 1) {
4242                        message.setBodyLanguage(body.language);
4243                    }
4244                    markMessage(message, status, null, true);
4245                } else {
4246                    markMessage(message, status);
4247                }
4248                return true;
4249            } else {
4250                return false;
4251            }
4252        }
4253    }
4254
4255    private static boolean isBodyModified(final Message message, final LocalizedContent body) {
4256        if (body == null || body.content == null) {
4257            return false;
4258        }
4259        return !body.content.equals(message.getBody());
4260    }
4261
4262    public void markMessage(Message message, int status) {
4263        markMessage(message, status, null);
4264    }
4265
4266
4267    public void markMessage(final Message message, final int status, final String errorMessage) {
4268        markMessage(message, status, errorMessage, false);
4269    }
4270
4271    public void markMessage(final Message message, final int status, final String errorMessage, final boolean includeBody) {
4272        final int oldStatus = message.getStatus();
4273        if (status == Message.STATUS_SEND_FAILED && (oldStatus == Message.STATUS_SEND_RECEIVED || oldStatus == Message.STATUS_SEND_DISPLAYED)) {
4274            return;
4275        }
4276        if (status == Message.STATUS_SEND_RECEIVED && oldStatus == Message.STATUS_SEND_DISPLAYED) {
4277            return;
4278        }
4279        message.setErrorMessage(errorMessage);
4280        message.setStatus(status);
4281        databaseBackend.updateMessage(message, includeBody);
4282        updateConversationUi();
4283        if (oldStatus != status && status == Message.STATUS_SEND_FAILED) {
4284            mNotificationService.pushFailedDelivery(message);
4285        }
4286    }
4287
4288    public SharedPreferences getPreferences() {
4289        return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
4290    }
4291
4292    public long getAutomaticMessageDeletionDate() {
4293        final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
4294        return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
4295    }
4296
4297    public long getLongPreference(String name, @IntegerRes int res) {
4298        long defaultValue = getResources().getInteger(res);
4299        try {
4300            return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
4301        } catch (NumberFormatException e) {
4302            return defaultValue;
4303        }
4304    }
4305
4306    public boolean getBooleanPreference(String name, @BoolRes int res) {
4307        return getPreferences().getBoolean(name, getResources().getBoolean(res));
4308    }
4309
4310    public boolean confirmMessages() {
4311        return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
4312    }
4313
4314    public boolean allowMessageCorrection() {
4315        return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
4316    }
4317
4318    public boolean sendChatStates() {
4319        return getBooleanPreference("chat_states", R.bool.chat_states);
4320    }
4321
4322    private boolean synchronizeWithBookmarks() {
4323        return getBooleanPreference("autojoin", R.bool.autojoin);
4324    }
4325
4326    public boolean useTorToConnect() {
4327        return getBooleanPreference("use_tor", R.bool.use_tor);
4328    }
4329
4330    public boolean showExtendedConnectionOptions() {
4331        return getBooleanPreference("show_connection_options", R.bool.show_connection_options);
4332    }
4333
4334    public boolean broadcastLastActivity() {
4335        return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
4336    }
4337
4338    public int unreadCount() {
4339        int count = 0;
4340        for (Conversation conversation : getConversations()) {
4341            count += conversation.unreadCount();
4342        }
4343        return count;
4344    }
4345
4346
4347    private <T> List<T> threadSafeList(Set<T> set) {
4348        synchronized (LISTENER_LOCK) {
4349            return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
4350        }
4351    }
4352
4353    public void showErrorToastInUi(int resId) {
4354        for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
4355            listener.onShowErrorToast(resId);
4356        }
4357    }
4358
4359    public void updateConversationUi() {
4360        updateConversationUi(false);
4361    }
4362
4363    public void updateConversationUi(boolean newCaps) {
4364        for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
4365            listener.onConversationUpdate(newCaps);
4366        }
4367    }
4368
4369    public void notifyJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state) {
4370        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4371            listener.onJingleRtpConnectionUpdate(account, with, sessionId, state);
4372        }
4373    }
4374
4375    public void notifyJingleRtpConnectionUpdate(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices) {
4376        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4377            listener.onAudioDeviceChanged(selectedAudioDevice, availableAudioDevices);
4378        }
4379    }
4380
4381    public void updateAccountUi() {
4382        for (final OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
4383            listener.onAccountUpdate();
4384        }
4385    }
4386
4387    public void updateRosterUi() {
4388        for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
4389            listener.onRosterUpdate();
4390        }
4391    }
4392
4393    public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
4394        if (mOnCaptchaRequested.size() > 0) {
4395            DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
4396            Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
4397                    (int) (captcha.getHeight() * metrics.scaledDensity), false);
4398            for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
4399                listener.onCaptchaRequested(account, id, data, scaled);
4400            }
4401            return true;
4402        }
4403        return false;
4404    }
4405
4406    public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
4407        for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
4408            listener.OnUpdateBlocklist(status);
4409        }
4410    }
4411
4412    public void updateMucRosterUi() {
4413        for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
4414            listener.onMucRosterUpdate();
4415        }
4416    }
4417
4418    public void keyStatusUpdated(AxolotlService.FetchStatus report) {
4419        for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
4420            listener.onKeyStatusUpdated(report);
4421        }
4422    }
4423
4424    public Account findAccountByJid(final Jid jid) {
4425        for (final Account account : this.accounts) {
4426            if (account.getJid().asBareJid().equals(jid.asBareJid())) {
4427                return account;
4428            }
4429        }
4430        return null;
4431    }
4432
4433    public Account findAccountByUuid(final String uuid) {
4434        for (Account account : this.accounts) {
4435            if (account.getUuid().equals(uuid)) {
4436                return account;
4437            }
4438        }
4439        return null;
4440    }
4441
4442    public Conversation findConversationByUuid(String uuid) {
4443        for (Conversation conversation : getConversations()) {
4444            if (conversation.getUuid().equals(uuid)) {
4445                return conversation;
4446            }
4447        }
4448        return null;
4449    }
4450
4451    public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
4452        List<Conversation> findings = new ArrayList<>();
4453        for (Conversation c : getConversations()) {
4454            if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid().asBareJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
4455                findings.add(c);
4456            }
4457        }
4458        return findings.size() == 1 ? findings.get(0) : null;
4459    }
4460
4461    public boolean markRead(final Conversation conversation, boolean dismiss) {
4462        return markRead(conversation, null, dismiss).size() > 0;
4463    }
4464
4465    public void markRead(final Conversation conversation) {
4466        markRead(conversation, null, true);
4467    }
4468
4469    public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
4470        if (dismiss) {
4471            mNotificationService.clear(conversation);
4472        }
4473        final List<Message> readMessages = conversation.markRead(upToUuid);
4474        if (readMessages.size() > 0) {
4475            Runnable runnable = () -> {
4476                for (Message message : readMessages) {
4477                    databaseBackend.updateMessage(message, false);
4478                }
4479            };
4480            mDatabaseWriterExecutor.execute(runnable);
4481            updateConversationUi();
4482            updateUnreadCountBadge();
4483            return readMessages;
4484        } else {
4485            return readMessages;
4486        }
4487    }
4488
4489    public synchronized void updateUnreadCountBadge() {
4490        int count = unreadCount();
4491        if (unreadCount != count) {
4492            Log.d(Config.LOGTAG, "update unread count to " + count);
4493            if (count > 0) {
4494                ShortcutBadger.applyCount(getApplicationContext(), count);
4495            } else {
4496                ShortcutBadger.removeCount(getApplicationContext());
4497            }
4498            unreadCount = count;
4499        }
4500    }
4501
4502    public void sendReadMarker(final Conversation conversation, String upToUuid) {
4503        final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
4504        final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
4505        if (readMessages.size() > 0) {
4506            updateConversationUi();
4507        }
4508        final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
4509        if (confirmMessages()
4510                && markable != null
4511                && (markable.trusted() || isPrivateAndNonAnonymousMuc)
4512                && markable.getRemoteMsgId() != null) {
4513            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
4514            final Account account = conversation.getAccount();
4515            final MessagePacket packet = mMessageGenerator.confirm(markable);
4516            this.sendMessagePacket(account, packet);
4517        }
4518    }
4519
4520    public MemorizingTrustManager getMemorizingTrustManager() {
4521        return this.mMemorizingTrustManager;
4522    }
4523
4524    public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
4525        this.mMemorizingTrustManager = trustManager;
4526    }
4527
4528    public void updateMemorizingTrustmanager() {
4529        final MemorizingTrustManager tm;
4530        final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
4531        if (dontTrustSystemCAs) {
4532            tm = new MemorizingTrustManager(getApplicationContext(), null);
4533        } else {
4534            tm = new MemorizingTrustManager(getApplicationContext());
4535        }
4536        setMemorizingTrustManager(tm);
4537    }
4538
4539    public LruCache<String, Bitmap> getBitmapCache() {
4540        return this.mBitmapCache;
4541    }
4542
4543    public LruCache<String, Drawable> getDrawableCache() {
4544        return this.mDrawableCache;
4545    }
4546
4547    public Collection<String> getKnownHosts() {
4548        final Set<String> hosts = new HashSet<>();
4549        for (final Account account : getAccounts()) {
4550            hosts.add(account.getServer());
4551            for (final Contact contact : account.getRoster().getContacts()) {
4552                if (contact.showInRoster()) {
4553                    final String server = contact.getServer();
4554                    if (server != null) {
4555                        hosts.add(server);
4556                    }
4557                }
4558            }
4559        }
4560        if (Config.QUICKSY_DOMAIN != null) {
4561            hosts.remove(Config.QUICKSY_DOMAIN.toEscapedString()); //we only want to show this when we type a e164 number
4562        }
4563        if (Config.DOMAIN_LOCK != null) {
4564            hosts.add(Config.DOMAIN_LOCK);
4565        }
4566        if (Config.MAGIC_CREATE_DOMAIN != null) {
4567            hosts.add(Config.MAGIC_CREATE_DOMAIN);
4568        }
4569        return hosts;
4570    }
4571
4572    public Collection<String> getKnownConferenceHosts() {
4573        final Set<String> mucServers = new HashSet<>();
4574        for (final Account account : accounts) {
4575            if (account.getXmppConnection() != null) {
4576                mucServers.addAll(account.getXmppConnection().getMucServers());
4577                for (final Bookmark bookmark : account.getBookmarks()) {
4578                    final Jid jid = bookmark.getJid();
4579                    final String s = jid == null ? null : jid.getDomain().toEscapedString();
4580                    if (s != null) {
4581                        mucServers.add(s);
4582                    }
4583                }
4584            }
4585        }
4586        return mucServers;
4587    }
4588
4589    public void sendMessagePacket(Account account, MessagePacket packet) {
4590        final XmppConnection connection = account.getXmppConnection();
4591        if (connection != null) {
4592            connection.sendMessagePacket(packet);
4593        }
4594    }
4595
4596    public void sendPresencePacket(Account account, PresencePacket packet) {
4597        XmppConnection connection = account.getXmppConnection();
4598        if (connection != null) {
4599            connection.sendPresencePacket(packet);
4600        }
4601    }
4602
4603    public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4604        final XmppConnection connection = account.getXmppConnection();
4605        if (connection != null) {
4606            IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4607            connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4608        }
4609    }
4610
4611    public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4612        final XmppConnection connection = account.getXmppConnection();
4613        if (connection != null) {
4614            connection.sendIqPacket(packet, callback);
4615        } else if (callback != null) {
4616            callback.onIqPacketReceived(account, new IqPacket(IqPacket.TYPE.TIMEOUT));
4617        }
4618    }
4619
4620    public void sendPresence(final Account account) {
4621        sendPresence(account, checkListeners() && broadcastLastActivity());
4622    }
4623
4624    private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4625        final Presence.Status status;
4626        if (manuallyChangePresence()) {
4627            status = account.getPresenceStatus();
4628        } else {
4629            status = getTargetPresence();
4630        }
4631        final PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
4632        if (mLastActivity > 0 && includeIdleTimestamp) {
4633            long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
4634            packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
4635        }
4636        sendPresencePacket(account, packet);
4637    }
4638
4639    private void deactivateGracePeriod() {
4640        for (Account account : getAccounts()) {
4641            account.deactivateGracePeriod();
4642        }
4643    }
4644
4645    public void refreshAllPresences() {
4646        boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
4647        for (Account account : getAccounts()) {
4648            if (account.isEnabled()) {
4649                sendPresence(account, includeIdleTimestamp);
4650            }
4651        }
4652    }
4653
4654    private void refreshAllFcmTokens() {
4655        for (Account account : getAccounts()) {
4656            if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
4657                mPushManagementService.registerPushTokenOnServer(account);
4658            }
4659        }
4660    }
4661
4662
4663
4664    private void sendOfflinePresence(final Account account) {
4665        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
4666        sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
4667    }
4668
4669    public MessageGenerator getMessageGenerator() {
4670        return this.mMessageGenerator;
4671    }
4672
4673    public PresenceGenerator getPresenceGenerator() {
4674        return this.mPresenceGenerator;
4675    }
4676
4677    public IqGenerator getIqGenerator() {
4678        return this.mIqGenerator;
4679    }
4680
4681    public IqParser getIqParser() {
4682        return this.mIqParser;
4683    }
4684
4685    public JingleConnectionManager getJingleConnectionManager() {
4686        return this.mJingleConnectionManager;
4687    }
4688
4689    public MessageArchiveService getMessageArchiveService() {
4690        return this.mMessageArchiveService;
4691    }
4692
4693    public QuickConversationsService getQuickConversationsService() {
4694        return this.mQuickConversationsService;
4695    }
4696
4697    public List<Contact> findContacts(Jid jid, String accountJid) {
4698        ArrayList<Contact> contacts = new ArrayList<>();
4699        for (Account account : getAccounts()) {
4700            if ((account.isEnabled() || accountJid != null)
4701                    && (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
4702                Contact contact = account.getRoster().getContactFromContactList(jid);
4703                if (contact != null) {
4704                    contacts.add(contact);
4705                }
4706            }
4707        }
4708        return contacts;
4709    }
4710
4711    public Conversation findFirstMuc(Jid jid) {
4712        for (Conversation conversation : getConversations()) {
4713            if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
4714                return conversation;
4715            }
4716        }
4717        return null;
4718    }
4719
4720    public NotificationService getNotificationService() {
4721        return this.mNotificationService;
4722    }
4723
4724    public HttpConnectionManager getHttpConnectionManager() {
4725        return this.mHttpConnectionManager;
4726    }
4727
4728    public void resendFailedMessages(final Message message) {
4729        final Collection<Message> messages = new ArrayList<>();
4730        Message current = message;
4731        while (current.getStatus() == Message.STATUS_SEND_FAILED) {
4732            messages.add(current);
4733            if (current.mergeable(current.next())) {
4734                current = current.next();
4735            } else {
4736                break;
4737            }
4738        }
4739        for (final Message msg : messages) {
4740            msg.setTime(System.currentTimeMillis());
4741            markMessage(msg, Message.STATUS_WAITING);
4742            this.resendMessage(msg, false);
4743        }
4744        if (message.getConversation() instanceof Conversation) {
4745            ((Conversation) message.getConversation()).sort();
4746        }
4747        updateConversationUi();
4748    }
4749
4750    public void clearConversationHistory(final Conversation conversation) {
4751        final long clearDate;
4752        final String reference;
4753        if (conversation.countMessages() > 0) {
4754            Message latestMessage = conversation.getLatestMessage();
4755            clearDate = latestMessage.getTimeSent() + 1000;
4756            reference = latestMessage.getServerMsgId();
4757        } else {
4758            clearDate = System.currentTimeMillis();
4759            reference = null;
4760        }
4761        conversation.clearMessages();
4762        conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
4763        conversation.setLastClearHistory(clearDate, reference);
4764        Runnable runnable = () -> {
4765            databaseBackend.deleteMessagesInConversation(conversation);
4766            databaseBackend.updateConversation(conversation);
4767        };
4768        mDatabaseWriterExecutor.execute(runnable);
4769    }
4770
4771    public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
4772        if (blockable != null && blockable.getBlockedJid() != null) {
4773            final Jid jid = blockable.getBlockedJid();
4774            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), (a, response) -> {
4775                if (response.getType() == IqPacket.TYPE.RESULT) {
4776                    a.getBlocklist().add(jid);
4777                    updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
4778                }
4779            });
4780            if (blockable.getBlockedJid().isFullJid()) {
4781                return false;
4782            } else if (removeBlockedConversations(blockable.getAccount(), jid)) {
4783                updateConversationUi();
4784                return true;
4785            } else {
4786                return false;
4787            }
4788        } else {
4789            return false;
4790        }
4791    }
4792
4793    public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
4794        boolean removed = false;
4795        synchronized (this.conversations) {
4796            boolean domainJid = blockedJid.getLocal() == null;
4797            for (Conversation conversation : this.conversations) {
4798                boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
4799                        || blockedJid.equals(conversation.getJid().asBareJid());
4800                if (conversation.getAccount() == account
4801                        && conversation.getMode() == Conversation.MODE_SINGLE
4802                        && jidMatches) {
4803                    this.conversations.remove(conversation);
4804                    markRead(conversation);
4805                    conversation.setStatus(Conversation.STATUS_ARCHIVED);
4806                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
4807                    updateConversation(conversation);
4808                    removed = true;
4809                }
4810            }
4811        }
4812        return removed;
4813    }
4814
4815    public void sendUnblockRequest(final Blockable blockable) {
4816        if (blockable != null && blockable.getJid() != null) {
4817            final Jid jid = blockable.getBlockedJid();
4818            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
4819                @Override
4820                public void onIqPacketReceived(final Account account, final IqPacket packet) {
4821                    if (packet.getType() == IqPacket.TYPE.RESULT) {
4822                        account.getBlocklist().remove(jid);
4823                        updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
4824                    }
4825                }
4826            });
4827        }
4828    }
4829
4830    public void publishDisplayName(Account account) {
4831        String displayName = account.getDisplayName();
4832        final IqPacket request;
4833        if (TextUtils.isEmpty(displayName)) {
4834            request = mIqGenerator.deleteNode(Namespace.NICK);
4835        } else {
4836            request = mIqGenerator.publishNick(displayName);
4837        }
4838        mAvatarService.clear(account);
4839        sendIqPacket(account, request, (account1, packet) -> {
4840            if (packet.getType() == IqPacket.TYPE.ERROR) {
4841                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name " + packet);
4842            }
4843        });
4844    }
4845
4846    public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
4847        ServiceDiscoveryResult result = discoCache.get(key);
4848        if (result != null) {
4849            return result;
4850        } else {
4851            if (key.first == null || key.second == null) return null;
4852            result = databaseBackend.findDiscoveryResult(key.first, key.second);
4853            if (result != null) {
4854                discoCache.put(key, result);
4855            }
4856            return result;
4857        }
4858    }
4859
4860    public void fetchFromGateway(Account account, final Jid jid, final String input, final OnGatewayResult callback) {
4861        IqPacket request = new IqPacket(input == null ? IqPacket.TYPE.GET : IqPacket.TYPE.SET);
4862        request.setTo(jid);
4863        Element query = request.query("jabber:iq:gateway");
4864        if (input != null) {
4865            Element prompt = query.addChild("prompt");
4866            prompt.setContent(input);
4867        }
4868        sendIqPacket(account, request, (Account acct, IqPacket packet) -> {
4869            if (packet.getType() == IqPacket.TYPE.RESULT) {
4870                callback.onGatewayResult(packet.query().findChildContent(input == null ? "prompt" : "jid"), null);
4871            } else {
4872                Element error = packet.findChild("error");
4873                callback.onGatewayResult(null, error == null ? null : error.findChildContent("text"));
4874            }
4875        });
4876    }
4877
4878    public void fetchCaps(Account account, final Jid jid, final Presence presence) {
4879        fetchCaps(account, jid, presence, null);
4880    }
4881
4882    public void fetchCaps(Account account, final Jid jid, final Presence presence, Runnable cb) {
4883        final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
4884        final ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
4885
4886        if (disco != null) {
4887            presence.setServiceDiscoveryResult(disco);
4888            final Contact contact = account.getRoster().getContact(jid);
4889            if (contact.refreshRtpCapability()) {
4890                syncRoster(account);
4891            }
4892            if (disco.hasIdentity("gateway", "pstn")) {
4893                contact.registerAsPhoneAccount(this);
4894                mQuickConversationsService.considerSyncBackground(false);
4895            }
4896            updateConversationUi(true);
4897        } else {
4898            final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4899            request.setTo(jid);
4900            final String node = presence.getNode();
4901            final String ver = presence.getVer();
4902            final Element query = request.query(Namespace.DISCO_INFO);
4903            if (node != null && ver != null) {
4904                query.setAttribute("node", node + "#" + ver);
4905            }
4906            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
4907            sendIqPacket(account, request, (a, response) -> {
4908                if (response.getType() == IqPacket.TYPE.RESULT) {
4909                    final ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
4910                    if (presence.getVer() == null || presence.getVer().equals(discoveryResult.getVer())) {
4911                        databaseBackend.insertDiscoveryResult(discoveryResult);
4912                        injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), jid.getResource(), discoveryResult);
4913                        if (discoveryResult.hasIdentity("gateway", "pstn")) {
4914                            final Contact contact = account.getRoster().getContact(jid);
4915                            contact.registerAsPhoneAccount(this);
4916                            mQuickConversationsService.considerSyncBackground(false);
4917                        }
4918                        updateConversationUi(true);
4919                        if (cb != null) cb.run();
4920                    } else {
4921                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
4922                    }
4923                } else {
4924                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to fetch caps from " + jid);
4925                }
4926            });
4927        }
4928    }
4929
4930    public void fetchCommands(Account account, final Jid jid, OnIqPacketReceived callback) {
4931        final IqPacket request = mIqGenerator.queryDiscoItems(jid, "http://jabber.org/protocol/commands");
4932        sendIqPacket(account, request, callback);
4933    }
4934
4935    private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, String resource, ServiceDiscoveryResult disco) {
4936        boolean rosterNeedsSync = false;
4937        for (final Contact contact : roster.getContacts()) {
4938            boolean serviceDiscoverySet = false;
4939            Presence onePresence = contact.getPresences().get(resource == null ? "" : resource);
4940            if (onePresence != null) {
4941                onePresence.setServiceDiscoveryResult(disco);
4942                serviceDiscoverySet = true;
4943            }
4944            if (hash != null && ver != null) {
4945                for (final Presence presence : contact.getPresences().getPresences()) {
4946                    if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
4947                        presence.setServiceDiscoveryResult(disco);
4948                        serviceDiscoverySet = true;
4949                    }
4950                }
4951            }
4952            if (serviceDiscoverySet) {
4953                rosterNeedsSync |= contact.refreshRtpCapability();
4954            }
4955        }
4956        if (rosterNeedsSync) {
4957            syncRoster(roster.getAccount());
4958        }
4959    }
4960
4961    public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
4962        final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
4963        IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4964        request.addChild("prefs", version.namespace);
4965        sendIqPacket(account, request, (account1, packet) -> {
4966            Element prefs = packet.findChild("prefs", version.namespace);
4967            if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
4968                callback.onPreferencesFetched(prefs);
4969            } else {
4970                callback.onPreferencesFetchFailed();
4971            }
4972        });
4973    }
4974
4975    public PushManagementService getPushManagementService() {
4976        return mPushManagementService;
4977    }
4978
4979    public void changeStatus(Account account, PresenceTemplate template, String signature) {
4980        if (!template.getStatusMessage().isEmpty()) {
4981            databaseBackend.insertPresenceTemplate(template);
4982        }
4983        account.setPgpSignature(signature);
4984        account.setPresenceStatus(template.getStatus());
4985        account.setPresenceStatusMessage(template.getStatusMessage());
4986        databaseBackend.updateAccount(account);
4987        sendPresence(account);
4988    }
4989
4990    public List<PresenceTemplate> getPresenceTemplates(Account account) {
4991        List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4992        for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4993            if (!templates.contains(template)) {
4994                templates.add(0, template);
4995            }
4996        }
4997        return templates;
4998    }
4999
5000    public void saveConversationAsBookmark(Conversation conversation, String name) {
5001        final Account account = conversation.getAccount();
5002        final Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
5003        final String nick = conversation.getJid().getResource();
5004        if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
5005            bookmark.setNick(nick);
5006        }
5007        if (!TextUtils.isEmpty(name)) {
5008            bookmark.setBookmarkName(name);
5009        }
5010        bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
5011        createBookmark(account, bookmark);
5012        bookmark.setConversation(conversation);
5013    }
5014
5015    public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
5016        boolean performedVerification = false;
5017        final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
5018        for (XmppUri.Fingerprint fp : fingerprints) {
5019            if (fp.type == XmppUri.FingerprintType.OMEMO) {
5020                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
5021                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
5022                if (fingerprintStatus != null) {
5023                    if (!fingerprintStatus.isVerified()) {
5024                        performedVerification = true;
5025                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
5026                    }
5027                } else {
5028                    axolotlService.preVerifyFingerprint(contact, fingerprint);
5029                }
5030            }
5031        }
5032        return performedVerification;
5033    }
5034
5035    public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
5036        final AxolotlService axolotlService = account.getAxolotlService();
5037        boolean verifiedSomething = false;
5038        for (XmppUri.Fingerprint fp : fingerprints) {
5039            if (fp.type == XmppUri.FingerprintType.OMEMO) {
5040                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
5041                Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
5042                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
5043                if (fingerprintStatus != null) {
5044                    if (!fingerprintStatus.isVerified()) {
5045                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
5046                        verifiedSomething = true;
5047                    }
5048                } else {
5049                    axolotlService.preVerifyFingerprint(account, fingerprint);
5050                    verifiedSomething = true;
5051                }
5052            }
5053        }
5054        return verifiedSomething;
5055    }
5056
5057    public boolean blindTrustBeforeVerification() {
5058        return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
5059    }
5060
5061    public ShortcutService getShortcutService() {
5062        return mShortcutService;
5063    }
5064
5065    public void pushMamPreferences(Account account, Element prefs) {
5066        IqPacket set = new IqPacket(IqPacket.TYPE.SET);
5067        set.addChild(prefs);
5068        sendIqPacket(account, set, null);
5069    }
5070
5071    public void evictPreview(File f) {
5072        if (mBitmapCache.remove(f.getAbsolutePath()) != null) {
5073            Log.d(Config.LOGTAG, "deleted cached preview");
5074        }
5075        if (mDrawableCache.remove(f.getAbsolutePath()) != null) {
5076            Log.d(Config.LOGTAG, "deleted cached preview");
5077        }
5078    }
5079
5080    public void evictPreview(String uuid) {
5081        if (mBitmapCache.remove(uuid) != null) {
5082            Log.d(Config.LOGTAG, "deleted cached preview");
5083        }
5084        if (mDrawableCache.remove(uuid) != null) {
5085            Log.d(Config.LOGTAG, "deleted cached preview");
5086        }
5087    }
5088
5089    public interface OnMamPreferencesFetched {
5090        void onPreferencesFetched(Element prefs);
5091
5092        void onPreferencesFetchFailed();
5093    }
5094
5095    public interface OnAccountCreated {
5096        void onAccountCreated(Account account);
5097
5098        void informUser(int r);
5099    }
5100
5101    public interface OnMoreMessagesLoaded {
5102        void onMoreMessagesLoaded(int count, Conversation conversation);
5103
5104        void informUser(int r);
5105    }
5106
5107    public interface OnAccountPasswordChanged {
5108        void onPasswordChangeSucceeded();
5109
5110        void onPasswordChangeFailed();
5111    }
5112
5113    public interface OnRoomDestroy {
5114        void onRoomDestroySucceeded();
5115
5116        void onRoomDestroyFailed();
5117    }
5118
5119    public interface OnAffiliationChanged {
5120        void onAffiliationChangedSuccessful(Jid jid);
5121
5122        void onAffiliationChangeFailed(Jid jid, int resId);
5123    }
5124
5125    public interface OnConversationUpdate {
5126        default void onConversationUpdate() { onConversationUpdate(false); }
5127        default void onConversationUpdate(boolean newCaps) { onConversationUpdate(); }
5128    }
5129
5130    public interface OnJingleRtpConnectionUpdate {
5131        void onJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state);
5132
5133        void onAudioDeviceChanged(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices);
5134    }
5135
5136    public interface OnAccountUpdate {
5137        void onAccountUpdate();
5138    }
5139
5140    public interface OnCaptchaRequested {
5141        void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
5142    }
5143
5144    public interface OnRosterUpdate {
5145        void onRosterUpdate();
5146    }
5147
5148    public interface OnMucRosterUpdate {
5149        void onMucRosterUpdate();
5150    }
5151
5152    public interface OnConferenceConfigurationFetched {
5153        void onConferenceConfigurationFetched(Conversation conversation);
5154
5155        void onFetchFailed(Conversation conversation, String errorCondition);
5156    }
5157
5158    public interface OnConferenceJoined {
5159        void onConferenceJoined(Conversation conversation);
5160    }
5161
5162    public interface OnConfigurationPushed {
5163        void onPushSucceeded();
5164
5165        void onPushFailed();
5166    }
5167
5168    public interface OnShowErrorToast {
5169        void onShowErrorToast(int resId);
5170    }
5171
5172    public class XmppConnectionBinder extends Binder {
5173        public XmppConnectionService getService() {
5174            return XmppConnectionService.this;
5175        }
5176    }
5177
5178    private class InternalEventReceiver extends BroadcastReceiver {
5179
5180        @Override
5181        public void onReceive(Context context, Intent intent) {
5182            onStartCommand(intent, 0, 0);
5183        }
5184    }
5185
5186    public static class OngoingCall {
5187        public final AbstractJingleConnection.Id id;
5188        public final Set<Media> media;
5189        public final boolean reconnecting;
5190
5191        public OngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
5192            this.id = id;
5193            this.media = media;
5194            this.reconnecting = reconnecting;
5195        }
5196
5197        @Override
5198        public boolean equals(Object o) {
5199            if (this == o) return true;
5200            if (o == null || getClass() != o.getClass()) return false;
5201            OngoingCall that = (OngoingCall) o;
5202            return reconnecting == that.reconnecting && Objects.equal(id, that.id) && Objects.equal(media, that.media);
5203        }
5204
5205        @Override
5206        public int hashCode() {
5207            return Objects.hashCode(id, media, reconnecting);
5208        }
5209    }
5210
5211    public static class BlockedMediaException extends Exception { }
5212}