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