XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import static eu.siacs.conversations.utils.Compatibility.s;
   4import static eu.siacs.conversations.utils.Random.SECURE_RANDOM;
   5
   6import android.Manifest;
   7import android.annotation.SuppressLint;
   8import android.annotation.TargetApi;
   9import android.app.AlarmManager;
  10import android.app.KeyguardManager;
  11import android.app.Notification;
  12import android.app.NotificationManager;
  13import android.app.PendingIntent;
  14import android.app.Service;
  15import android.content.BroadcastReceiver;
  16import android.content.ComponentName;
  17import android.content.Context;
  18import android.content.Intent;
  19import android.content.IntentFilter;
  20import android.content.SharedPreferences;
  21import android.content.pm.PackageManager;
  22import android.database.ContentObserver;
  23import android.graphics.Bitmap;
  24import android.graphics.drawable.BitmapDrawable;
  25import android.graphics.drawable.Drawable;
  26import android.media.AudioManager;
  27import android.net.ConnectivityManager;
  28import android.net.Network;
  29import android.net.NetworkCapabilities;
  30import android.net.NetworkInfo;
  31import android.net.Uri;
  32import android.os.Binder;
  33import android.os.Build;
  34import android.os.Bundle;
  35import android.os.Environment;
  36import android.os.IBinder;
  37import android.os.PowerManager;
  38import android.os.PowerManager.WakeLock;
  39import android.os.SystemClock;
  40import android.preference.PreferenceManager;
  41import android.provider.ContactsContract;
  42import android.security.KeyChain;
  43import android.telephony.PhoneStateListener;
  44import android.telephony.TelephonyManager;
  45import android.text.TextUtils;
  46import android.util.DisplayMetrics;
  47import android.util.Log;
  48import android.util.LruCache;
  49import android.util.Pair;
  50
  51import androidx.annotation.BoolRes;
  52import androidx.annotation.IntegerRes;
  53import androidx.annotation.NonNull;
  54import androidx.core.app.RemoteInput;
  55import androidx.core.content.ContextCompat;
  56
  57import com.google.common.base.Objects;
  58import com.google.common.base.Optional;
  59import com.google.common.base.Strings;
  60
  61import org.conscrypt.Conscrypt;
  62import org.openintents.openpgp.IOpenPgpService2;
  63import org.openintents.openpgp.util.OpenPgpApi;
  64import org.openintents.openpgp.util.OpenPgpServiceConnection;
  65
  66import java.io.File;
  67import java.io.FileInputStream;
  68import java.io.IOException;
  69import java.security.Security;
  70import java.security.cert.CertificateException;
  71import java.security.cert.X509Certificate;
  72import java.text.ParseException;
  73import java.util.ArrayList;
  74import java.util.Arrays;
  75import java.util.Collection;
  76import java.util.Collections;
  77import java.util.HashSet;
  78import java.util.Hashtable;
  79import java.util.Iterator;
  80import java.util.List;
  81import java.util.ListIterator;
  82import java.util.Map;
  83import java.util.Set;
  84import java.util.WeakHashMap;
  85import java.util.concurrent.CopyOnWriteArrayList;
  86import java.util.concurrent.CountDownLatch;
  87import java.util.concurrent.Executor;
  88import java.util.concurrent.Executors;
  89import java.util.concurrent.atomic.AtomicBoolean;
  90import java.util.concurrent.atomic.AtomicLong;
  91import java.util.concurrent.atomic.AtomicReference;
  92
  93import io.ipfs.cid.Cid;
  94
  95import eu.siacs.conversations.Config;
  96import eu.siacs.conversations.R;
  97import eu.siacs.conversations.android.JabberIdContact;
  98import eu.siacs.conversations.crypto.OmemoSetting;
  99import eu.siacs.conversations.crypto.PgpDecryptionService;
 100import eu.siacs.conversations.crypto.PgpEngine;
 101import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 102import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 103import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
 104import eu.siacs.conversations.entities.Account;
 105import eu.siacs.conversations.entities.Blockable;
 106import eu.siacs.conversations.entities.Bookmark;
 107import eu.siacs.conversations.entities.Contact;
 108import eu.siacs.conversations.entities.Conversation;
 109import eu.siacs.conversations.entities.Conversational;
 110import eu.siacs.conversations.entities.DownloadableFile;
 111import eu.siacs.conversations.entities.Message;
 112import eu.siacs.conversations.entities.MucOptions;
 113import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
 114import eu.siacs.conversations.entities.Presence;
 115import eu.siacs.conversations.entities.PresenceTemplate;
 116import eu.siacs.conversations.entities.Roster;
 117import eu.siacs.conversations.entities.ServiceDiscoveryResult;
 118import eu.siacs.conversations.generator.AbstractGenerator;
 119import eu.siacs.conversations.generator.IqGenerator;
 120import eu.siacs.conversations.generator.MessageGenerator;
 121import eu.siacs.conversations.generator.PresenceGenerator;
 122import eu.siacs.conversations.http.HttpConnectionManager;
 123import eu.siacs.conversations.parser.AbstractParser;
 124import eu.siacs.conversations.parser.IqParser;
 125import eu.siacs.conversations.parser.MessageParser;
 126import eu.siacs.conversations.parser.PresenceParser;
 127import eu.siacs.conversations.persistance.DatabaseBackend;
 128import eu.siacs.conversations.persistance.FileBackend;
 129import eu.siacs.conversations.persistance.UnifiedPushDatabase;
 130import eu.siacs.conversations.ui.ChooseAccountForProfilePictureActivity;
 131import eu.siacs.conversations.ui.RtpSessionActivity;
 132import eu.siacs.conversations.ui.SettingsActivity;
 133import eu.siacs.conversations.ui.UiCallback;
 134import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 135import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 136import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 137import eu.siacs.conversations.utils.AccountUtils;
 138import eu.siacs.conversations.utils.Compatibility;
 139import eu.siacs.conversations.utils.Consumer;
 140import eu.siacs.conversations.utils.ConversationsFileObserver;
 141import eu.siacs.conversations.utils.CryptoHelper;
 142import eu.siacs.conversations.utils.EasyOnboardingInvite;
 143import eu.siacs.conversations.utils.ExceptionHelper;
 144import eu.siacs.conversations.utils.MimeUtils;
 145import eu.siacs.conversations.utils.PhoneHelper;
 146import eu.siacs.conversations.utils.QuickLoader;
 147import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 148import eu.siacs.conversations.utils.ReplacingTaskManager;
 149import eu.siacs.conversations.utils.Resolver;
 150import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 151import eu.siacs.conversations.utils.StringUtils;
 152import eu.siacs.conversations.utils.TorServiceUtils;
 153import eu.siacs.conversations.utils.ThemeHelper;
 154import eu.siacs.conversations.utils.WakeLockHelper;
 155import eu.siacs.conversations.utils.XmppUri;
 156import eu.siacs.conversations.xml.Element;
 157import eu.siacs.conversations.xml.LocalizedContent;
 158import eu.siacs.conversations.xml.Namespace;
 159import eu.siacs.conversations.xmpp.Jid;
 160import eu.siacs.conversations.xmpp.OnBindListener;
 161import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 162import eu.siacs.conversations.xmpp.OnGatewayResult;
 163import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 164import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 165import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 166import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 167import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 168import eu.siacs.conversations.xmpp.OnStatusChanged;
 169import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 170import eu.siacs.conversations.xmpp.XmppConnection;
 171import eu.siacs.conversations.xmpp.chatstate.ChatState;
 172import eu.siacs.conversations.xmpp.forms.Data;
 173import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 174import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 175import eu.siacs.conversations.xmpp.jingle.JingleRtpConnection;
 176import eu.siacs.conversations.xmpp.jingle.Media;
 177import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 178import eu.siacs.conversations.xmpp.mam.MamReference;
 179import eu.siacs.conversations.xmpp.pep.Avatar;
 180import eu.siacs.conversations.xmpp.pep.PublishOptions;
 181import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 182import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 183import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 184import me.leolin.shortcutbadger.ShortcutBadger;
 185
 186public class XmppConnectionService extends Service {
 187
 188    public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 189    public static final String ACTION_MARK_AS_READ = "mark_as_read";
 190    public static final String ACTION_SNOOZE = "snooze";
 191    public static final String ACTION_CLEAR_MESSAGE_NOTIFICATION = "clear_message_notification";
 192    public static final String ACTION_CLEAR_MISSED_CALL_NOTIFICATION = "clear_missed_call_notification";
 193    public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 194    public static final String ACTION_TRY_AGAIN = "try_again";
 195    public static final String ACTION_IDLE_PING = "idle_ping";
 196    public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 197    public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 198    public static final String ACTION_DISMISS_CALL = "dismiss_call";
 199    public static final String ACTION_END_CALL = "end_call";
 200    public static final String ACTION_PROVISION_ACCOUNT = "provision_account";
 201    private static final String ACTION_POST_CONNECTIVITY_CHANGE = "eu.siacs.conversations.POST_CONNECTIVITY_CHANGE";
 202    public static final String ACTION_RENEW_UNIFIED_PUSH_ENDPOINTS = "eu.siacs.conversations.UNIFIED_PUSH_RENEW";
 203
 204    private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 205
 206    public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 207    private final static Executor FILE_OBSERVER_EXECUTOR = Executors.newSingleThreadExecutor();
 208    private final static Executor FILE_ATTACHMENT_EXECUTOR = Executors.newSingleThreadExecutor();
 209    private final static SerialSingleThreadExecutor VIDEO_COMPRESSION_EXECUTOR = new SerialSingleThreadExecutor("VideoCompression");
 210    private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 211    private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 212    private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 213    private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 214    private final IBinder mBinder = new XmppConnectionBinder();
 215    private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 216    private final IqGenerator mIqGenerator = new IqGenerator(this);
 217    private final Set<String> mInProgressAvatarFetches = new HashSet<>();
 218    private final Set<String> mOmittedPepAvatarFetches = new HashSet<>();
 219    private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 220    private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 221        if (packet.getType() != IqPacket.TYPE.RESULT) {
 222            Element error = packet.findChild("error");
 223            String text = error != null ? error.findChildContent("text") : null;
 224            if (text != null) {
 225                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 226            }
 227        }
 228    };
 229    public DatabaseBackend databaseBackend;
 230    private final ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor("ContactMerger");
 231    private long mLastActivity = 0;
 232    private final FileBackend fileBackend = new FileBackend(this);
 233    private MemorizingTrustManager mMemorizingTrustManager;
 234    private final NotificationService mNotificationService = new NotificationService(this);
 235    private final UnifiedPushBroker unifiedPushBroker = new UnifiedPushBroker(this);
 236    private final ChannelDiscoveryService mChannelDiscoveryService = new ChannelDiscoveryService(this);
 237    private final ShortcutService mShortcutService = new ShortcutService(this);
 238    private final AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 239    private final AtomicBoolean mForceForegroundService = new AtomicBoolean(false);
 240    private final AtomicBoolean mForceDuringOnCreate = new AtomicBoolean(false);
 241    private final AtomicReference<OngoingCall> ongoingCall = new AtomicReference<>();
 242    private final OnMessagePacketReceived mMessageParser = new MessageParser(this);
 243    private final OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 244    private final IqParser mIqParser = new IqParser(this);
 245    private final MessageGenerator mMessageGenerator = new MessageGenerator(this);
 246    public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 247        Conversation conversation = find(getConversations(), contact);
 248        if (conversation != null) {
 249            if (online) {
 250                if (contact.getPresences().size() == 1) {
 251                    sendUnsentMessages(conversation);
 252                }
 253            }
 254        }
 255    };
 256    private final PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 257    private List<Account> accounts;
 258    private final JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(this);
 259    private final HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(this);
 260    private final AvatarService mAvatarService = new AvatarService(this);
 261    private final MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 262    private final PushManagementService mPushManagementService = new PushManagementService(this);
 263    private final QuickConversationsService mQuickConversationsService = new QuickConversationsService(this);
 264    private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 265            Environment.getExternalStorageDirectory().getAbsolutePath()
 266    ) {
 267        @Override
 268        public void onEvent(final int event, final File file) {
 269            markFileDeleted(file);
 270        }
 271    };
 272    private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 273
 274        @Override
 275        public boolean onMessageAcknowledged(final Account account, final Jid to, final String id) {
 276            if (id.startsWith(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX)) {
 277                final String sessionId = id.substring(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX.length());
 278                mJingleConnectionManager.updateProposedSessionDiscovered(
 279                        account,
 280                        to,
 281                        sessionId,
 282                        JingleConnectionManager.DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED
 283                );
 284            }
 285
 286
 287            final Jid bare = to.asBareJid();
 288
 289            for (final Conversation conversation : getConversations()) {
 290                if (conversation.getAccount() == account && conversation.getJid().asBareJid().equals(bare)) {
 291                    final Message message = conversation.findUnsentMessageWithUuid(id);
 292                    if (message != null) {
 293                        message.setStatus(Message.STATUS_SEND);
 294                        message.setErrorMessage(null);
 295                        databaseBackend.updateMessage(message, false);
 296                        return true;
 297                    }
 298                }
 299            }
 300            return false;
 301        }
 302    };
 303    private final AtomicBoolean isPhoneInCall = new AtomicBoolean(false);
 304    private final AtomicBoolean diallerIntegrationActive = new AtomicBoolean(false);
 305    private final PhoneStateListener phoneStateListener = new PhoneStateListener() {
 306        @Override
 307        public void onCallStateChanged(final int state, final String phoneNumber) {
 308            if (diallerIntegrationActive.get()) return;
 309            isPhoneInCall.set(state != TelephonyManager.CALL_STATE_IDLE);
 310            if (state == TelephonyManager.CALL_STATE_OFFHOOK) {
 311                mJingleConnectionManager.notifyPhoneCallStarted();
 312            }
 313        }
 314    };
 315
 316    public void setDiallerIntegrationActive(boolean active) {
 317      diallerIntegrationActive.set(active);
 318    }
 319
 320    private boolean destroyed = false;
 321
 322    private int unreadCount = -1;
 323
 324    //Ui callback listeners
 325    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 326    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 327    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 328    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 329    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 330    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 331    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 332    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 333    private final Set<OnJingleRtpConnectionUpdate> onJingleRtpConnectionUpdate = Collections.newSetFromMap(new WeakHashMap<OnJingleRtpConnectionUpdate, Boolean>());
 334
 335    private final Object LISTENER_LOCK = new Object();
 336
 337
 338    public final Set<String> FILENAMES_TO_IGNORE_DELETION = new HashSet<>();
 339
 340
 341    private final OnBindListener mOnBindListener = new OnBindListener() {
 342
 343        @Override
 344        public void onBind(final Account account) {
 345            synchronized (mInProgressAvatarFetches) {
 346                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 347                    final String KEY = iterator.next();
 348                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 349                        iterator.remove();
 350                    }
 351                }
 352            }
 353            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 354            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 355            if (loggedInSuccessfully || gainedFeature) {
 356                databaseBackend.updateAccount(account);
 357            }
 358
 359            if (loggedInSuccessfully) {
 360                if (!TextUtils.isEmpty(account.getDisplayName())) {
 361                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": display name wasn't empty on first log in. publishing");
 362                    publishDisplayName(account);
 363                }
 364            }
 365
 366            account.getRoster().clearPresences();
 367            synchronized (account.inProgressConferenceJoins) {
 368                account.inProgressConferenceJoins.clear();
 369            }
 370            synchronized (account.inProgressConferencePings) {
 371                account.inProgressConferencePings.clear();
 372            }
 373            mJingleConnectionManager.notifyRebound(account);
 374            mQuickConversationsService.considerSyncBackground(false);
 375            fetchRosterFromServer(account);
 376
 377            final XmppConnection connection = account.getXmppConnection();
 378
 379            if (connection.getFeatures().bookmarks2()) {
 380                fetchBookmarks2(account);
 381            } else if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 382                fetchBookmarks(account);
 383            }
 384            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 385            final boolean catchup = getMessageArchiveService().inCatchup(account);
 386            if (flexible && catchup && account.getXmppConnection().isMamPreferenceAlways()) {
 387                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 388                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 389                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 390                    }
 391                });
 392            }
 393            sendPresence(account);
 394            if (mPushManagementService.available(account)) {
 395                mPushManagementService.registerPushTokenOnServer(account);
 396            }
 397            connectMultiModeConversations(account);
 398            syncDirtyContacts(account);
 399
 400            unifiedPushBroker.renewUnifiedPushEndpointsOnBind(account);
 401        }
 402    };
 403    private final AtomicLong mLastExpiryRun = new AtomicLong(0);
 404    private final LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 405    private final OnStatusChanged statusListener = new OnStatusChanged() {
 406
 407        @Override
 408        public void onStatusChanged(final Account account) {
 409            XmppConnection connection = account.getXmppConnection();
 410            updateAccountUi();
 411
 412            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 413                mQuickConversationsService.signalAccountStateChange();
 414            }
 415
 416            if (account.getStatus() == Account.State.ONLINE) {
 417                synchronized (mLowPingTimeoutMode) {
 418                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 419                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 420                    }
 421                }
 422                if (account.setShowErrorNotification(true)) {
 423                    databaseBackend.updateAccount(account);
 424                }
 425                mMessageArchiveService.executePendingQueries(account);
 426                if (connection != null && connection.getFeatures().csi()) {
 427                    if (checkListeners()) {
 428                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 429                        connection.sendInactive();
 430                    } else {
 431                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 432                        connection.sendActive();
 433                    }
 434                }
 435                List<Conversation> conversations = getConversations();
 436                for (Conversation conversation : conversations) {
 437                    final boolean inProgressJoin;
 438                    synchronized (account.inProgressConferenceJoins) {
 439                        inProgressJoin = account.inProgressConferenceJoins.contains(conversation);
 440                    }
 441                    final boolean pendingJoin;
 442                    synchronized (account.pendingConferenceJoins) {
 443                        pendingJoin = account.pendingConferenceJoins.contains(conversation);
 444                    }
 445                    if (conversation.getAccount() == account
 446                            && !pendingJoin
 447                            && !inProgressJoin) {
 448                        sendUnsentMessages(conversation);
 449                    }
 450                }
 451                final List<Conversation> pendingLeaves;
 452                synchronized (account.pendingConferenceLeaves) {
 453                    pendingLeaves = new ArrayList<>(account.pendingConferenceLeaves);
 454                    account.pendingConferenceLeaves.clear();
 455
 456                }
 457                for (Conversation conversation : pendingLeaves) {
 458                    leaveMuc(conversation);
 459                }
 460                final List<Conversation> pendingJoins;
 461                synchronized (account.pendingConferenceJoins) {
 462                    pendingJoins = new ArrayList<>(account.pendingConferenceJoins);
 463                    account.pendingConferenceJoins.clear();
 464                }
 465                for (Conversation conversation : pendingJoins) {
 466                    joinMuc(conversation);
 467                }
 468                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 469            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 470                resetSendingToWaiting(account);
 471                if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 472                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 473                    reconnectAccount(account, true, false);
 474                } else {
 475                    final int timeToReconnect = SECURE_RANDOM.nextInt(10) + 2;
 476                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 477                }
 478            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 479                databaseBackend.updateAccount(account);
 480                reconnectAccount(account, true, false);
 481            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 482                resetSendingToWaiting(account);
 483                if (connection != null && account.getStatus().isAttemptReconnect()) {
 484                    final int next = connection.getTimeToNextAttempt();
 485                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 486                    if (next <= 0) {
 487                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + lowPingTimeoutMode);
 488                        reconnectAccount(account, true, false);
 489                    } else {
 490                        final int attempt = connection.getAttempt() + 1;
 491                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + lowPingTimeoutMode);
 492                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 493                    }
 494                }
 495            }
 496            getNotificationService().updateErrorNotification();
 497        }
 498    };
 499    private OpenPgpServiceConnection pgpServiceConnection;
 500    private PgpEngine mPgpEngine = null;
 501    private WakeLock wakeLock;
 502    private LruCache<String, Bitmap> mBitmapCache;
 503    private LruCache<String, Drawable> mDrawableCache;
 504    private final BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 505    private final BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 506
 507    private static String generateFetchKey(Account account, final Avatar avatar) {
 508        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 509    }
 510
 511    private boolean isInLowPingTimeoutMode(Account account) {
 512        synchronized (mLowPingTimeoutMode) {
 513            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 514        }
 515    }
 516
 517    public void startForcingForegroundNotification() {
 518        mForceForegroundService.set(true);
 519        toggleForegroundService();
 520    }
 521
 522    public void stopForcingForegroundNotification() {
 523        mForceForegroundService.set(false);
 524        toggleForegroundService();
 525    }
 526
 527    public boolean areMessagesInitialized() {
 528        return this.restoredFromDatabaseLatch.getCount() == 0;
 529    }
 530
 531    public PgpEngine getPgpEngine() {
 532        if (!Config.supportOpenPgp()) {
 533            return null;
 534        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 535            if (this.mPgpEngine == null) {
 536                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 537                        getApplicationContext(),
 538                        pgpServiceConnection.getService()), this);
 539            }
 540            return mPgpEngine;
 541        } else {
 542            return null;
 543        }
 544
 545    }
 546
 547    public OpenPgpApi getOpenPgpApi() {
 548        if (!Config.supportOpenPgp()) {
 549            return null;
 550        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 551            return new OpenPgpApi(this, pgpServiceConnection.getService());
 552        } else {
 553            return null;
 554        }
 555    }
 556
 557    public FileBackend getFileBackend() {
 558        return this.fileBackend;
 559    }
 560
 561    public DownloadableFile getFileForCid(Cid cid) {
 562        return this.databaseBackend.getFileForCid(cid);
 563    }
 564
 565    public String getUrlForCid(Cid cid) {
 566        return this.databaseBackend.getUrlForCid(cid);
 567    }
 568
 569    public void saveCid(Cid cid, File file) throws BlockedMediaException {
 570        saveCid(cid, file, null);
 571    }
 572
 573    public void saveCid(Cid cid, File file, String url) throws BlockedMediaException {
 574        if (this.databaseBackend.isBlockedMedia(cid)) {
 575            throw new BlockedMediaException();
 576        }
 577        this.databaseBackend.saveCid(cid, file, url);
 578    }
 579
 580    public void blockMedia(File f) {
 581        try {
 582            Cid[] cids = getFileBackend().calculateCids(new FileInputStream(f));
 583            for (Cid cid : cids) {
 584                blockMedia(cid);
 585            }
 586        } catch (final IOException e) { }
 587    }
 588
 589    public void blockMedia(Cid cid) {
 590        this.databaseBackend.blockMedia(cid);
 591    }
 592
 593    public void clearBlockedMedia() {
 594        this.databaseBackend.clearBlockedMedia();
 595    }
 596
 597    public AvatarService getAvatarService() {
 598        return this.mAvatarService;
 599    }
 600
 601    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 602        int encryption = conversation.getNextEncryption();
 603        if (encryption == Message.ENCRYPTION_PGP) {
 604            encryption = Message.ENCRYPTION_DECRYPTED;
 605        }
 606        Message message = new Message(conversation, uri.toString(), encryption);
 607        message.setThread(conversation.getThread());
 608        Message.configurePrivateMessage(message);
 609        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 610            getPgpEngine().encrypt(message, callback);
 611        } else {
 612            sendMessage(message);
 613            callback.success(message);
 614        }
 615    }
 616
 617    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 618        final Message message;
 619        if (conversation.getReplyTo() == null) {
 620            message = new Message(conversation, "", conversation.getNextEncryption());
 621        } else {
 622            message = conversation.getReplyTo().reply();
 623            message.setEncryption(conversation.getNextEncryption());
 624        }
 625        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 626            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 627        }
 628        message.setThread(conversation.getThread());
 629        if (!Message.configurePrivateFileMessage(message)) {
 630            message.setCounterpart(conversation.getNextCounterpart());
 631            message.setType(Message.TYPE_FILE);
 632        }
 633        Log.d(Config.LOGTAG, "attachFile: type=" + message.getType());
 634        Log.d(Config.LOGTAG, "counterpart=" + message.getCounterpart());
 635        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 636        if (runnable.isVideoMessage()) {
 637            VIDEO_COMPRESSION_EXECUTOR.execute(runnable);
 638        } else {
 639            FILE_ATTACHMENT_EXECUTOR.execute(runnable);
 640        }
 641    }
 642
 643    public void attachImageToConversation(final Conversation conversation, final Uri uri,  final String type, final UiCallback<Message> callback) {
 644        final String mimeType = MimeUtils.guessMimeTypeFromUriAndMime(this, uri, type);
 645        final String compressPictures = getCompressPicturesPreference();
 646
 647        if ("never".equals(compressPictures)
 648                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 649                || (mimeType != null && mimeType.endsWith("/gif"))
 650                || getFileBackend().unusualBounds(uri)) {
 651            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 652            attachFileToConversation(conversation, uri, mimeType, callback);
 653            return;
 654        }
 655        final Message message;
 656
 657        if (conversation.getReplyTo() == null) {
 658            message = new Message(conversation, "", conversation.getNextEncryption());
 659        } else {
 660            message = conversation.getReplyTo().reply();
 661            message.setEncryption(conversation.getNextEncryption());
 662        }
 663        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 664            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 665        }
 666        message.setThread(conversation.getThread());
 667        if (!Message.configurePrivateFileMessage(message)) {
 668            message.setCounterpart(conversation.getNextCounterpart());
 669            message.setType(Message.TYPE_IMAGE);
 670        }
 671        Log.d(Config.LOGTAG, "attachImage: type=" + message.getType());
 672        FILE_ATTACHMENT_EXECUTOR.execute(() -> {
 673            try {
 674                getFileBackend().copyImageToPrivateStorage(message, uri);
 675            } catch (FileBackend.ImageCompressionException e) {
 676                Log.d(Config.LOGTAG, "unable to compress image. fall back to file transfer", e);
 677                attachFileToConversation(conversation, uri, mimeType, callback);
 678                return;
 679            } catch (final FileBackend.FileCopyException e) {
 680                callback.error(e.getResId(), message);
 681                return;
 682            }
 683            if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 684                final PgpEngine pgpEngine = getPgpEngine();
 685                if (pgpEngine != null) {
 686                    pgpEngine.encrypt(message, callback);
 687                } else if (callback != null) {
 688                    callback.error(R.string.unable_to_connect_to_keychain, null);
 689                }
 690            } else {
 691                sendMessage(message);
 692                callback.success(message);
 693            }
 694        });
 695    }
 696
 697    public Conversation find(Bookmark bookmark) {
 698        return find(bookmark.getAccount(), bookmark.getJid());
 699    }
 700
 701    public Conversation find(final Account account, final Jid jid) {
 702        return find(getConversations(), account, jid);
 703    }
 704
 705    public boolean isMuc(final Account account, final Jid jid) {
 706        final Conversation c = find(account, jid);
 707        return c != null && c.getMode() == Conversational.MODE_MULTI;
 708    }
 709
 710    public void search(final List<String> term, final String uuid, final OnSearchResultsAvailable onSearchResultsAvailable) {
 711        MessageSearchTask.search(this, term, uuid, onSearchResultsAvailable);
 712    }
 713
 714    @Override
 715    public int onStartCommand(Intent intent, int flags, int startId) {
 716        final String action = intent == null ? null : intent.getAction();
 717        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 718        if (needsForegroundService) {
 719            Log.d(Config.LOGTAG, "toggle forced foreground service after receiving event (action=" + action + ")");
 720            toggleForegroundService(true);
 721        }
 722        String pushedAccountHash = null;
 723        boolean interactive = false;
 724        if (action != null) {
 725            final String uuid = intent.getStringExtra("uuid");
 726            switch (action) {
 727                case QuickConversationsService.SMS_RETRIEVED_ACTION:
 728                    mQuickConversationsService.handleSmsReceived(intent);
 729                    break;
 730                case ConnectivityManager.CONNECTIVITY_ACTION:
 731                    if (hasInternetConnection()) {
 732                        if (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0) {
 733                            schedulePostConnectivityChange();
 734                        }
 735                        if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 736                            resetAllAttemptCounts(true, false);
 737                        }
 738                        Resolver.clearCache();
 739                    }
 740                    break;
 741                case Intent.ACTION_SHUTDOWN:
 742                    logoutAndSave(true);
 743                    return START_NOT_STICKY;
 744                case ACTION_CLEAR_MESSAGE_NOTIFICATION:
 745                    mNotificationExecutor.execute(() -> {
 746                        try {
 747                            final Conversation c = findConversationByUuid(uuid);
 748                            if (c != null) {
 749                                mNotificationService.clearMessages(c);
 750                            } else {
 751                                mNotificationService.clearMessages();
 752                            }
 753                            restoredFromDatabaseLatch.await();
 754
 755                        } catch (InterruptedException e) {
 756                            Log.d(Config.LOGTAG, "unable to process clear message notification");
 757                        }
 758                    });
 759                    break;
 760                case ACTION_CLEAR_MISSED_CALL_NOTIFICATION:
 761                    mNotificationExecutor.execute(() -> {
 762                        try {
 763                            final Conversation c = findConversationByUuid(uuid);
 764                            if (c != null) {
 765                                mNotificationService.clearMissedCalls(c);
 766                            } else {
 767                                mNotificationService.clearMissedCalls();
 768                            }
 769                            restoredFromDatabaseLatch.await();
 770
 771                        } catch (InterruptedException e) {
 772                            Log.d(Config.LOGTAG, "unable to process clear missed call notification");
 773                        }
 774                    });
 775                    break;
 776                case ACTION_DISMISS_CALL: {
 777                    final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 778                    Log.d(Config.LOGTAG, "received intent to dismiss call with session id " + sessionId);
 779                    mJingleConnectionManager.rejectRtpSession(sessionId);
 780                    break;
 781                }
 782                case TorServiceUtils.ACTION_STATUS:
 783                    final String status = intent.getStringExtra(TorServiceUtils.EXTRA_STATUS);
 784                    //TODO port and host are in 'extras' - but this may not be a reliable source?
 785                    if ("ON".equals(status)) {
 786                        handleOrbotStartedEvent();
 787                        return START_STICKY;
 788                    }
 789                    break;
 790                case ACTION_END_CALL: {
 791                    final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 792                    Log.d(Config.LOGTAG, "received intent to end call with session id " + sessionId);
 793                    mJingleConnectionManager.endRtpSession(sessionId);
 794                }
 795                break;
 796                case ACTION_PROVISION_ACCOUNT: {
 797                    final String address = intent.getStringExtra("address");
 798                    final String password = intent.getStringExtra("password");
 799                    if (QuickConversationsService.isQuicksy() || Strings.isNullOrEmpty(address) || Strings.isNullOrEmpty(password)) {
 800                        break;
 801                    }
 802                    provisionAccount(address, password);
 803                    break;
 804                }
 805                case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 806                    dismissErrorNotifications();
 807                    break;
 808                case ACTION_TRY_AGAIN:
 809                    resetAllAttemptCounts(false, true);
 810                    interactive = true;
 811                    break;
 812                case ACTION_REPLY_TO_CONVERSATION:
 813                    Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 814                    if (remoteInput == null) {
 815                        break;
 816                    }
 817                    final CharSequence body = remoteInput.getCharSequence("text_reply");
 818                    final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 819                    final String lastMessageUuid = intent.getStringExtra("last_message_uuid");
 820                    if (body == null || body.length() <= 0) {
 821                        break;
 822                    }
 823                    mNotificationExecutor.execute(() -> {
 824                        try {
 825                            restoredFromDatabaseLatch.await();
 826                            final Conversation c = findConversationByUuid(uuid);
 827                            if (c != null) {
 828                                directReply(c, body.toString(), lastMessageUuid, dismissNotification);
 829                            }
 830                        } catch (InterruptedException e) {
 831                            Log.d(Config.LOGTAG, "unable to process direct reply");
 832                        }
 833                    });
 834                    break;
 835                case ACTION_MARK_AS_READ:
 836                    mNotificationExecutor.execute(() -> {
 837                        final Conversation c = findConversationByUuid(uuid);
 838                        if (c == null) {
 839                            Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 840                            return;
 841                        }
 842                        try {
 843                            restoredFromDatabaseLatch.await();
 844                            sendReadMarker(c, null);
 845                        } catch (InterruptedException e) {
 846                            Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 847                        }
 848
 849                    });
 850                    break;
 851                case ACTION_SNOOZE:
 852                    mNotificationExecutor.execute(() -> {
 853                        final Conversation c = findConversationByUuid(uuid);
 854                        if (c == null) {
 855                            Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 856                            return;
 857                        }
 858                        c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 859                        mNotificationService.clearMessages(c);
 860                        updateConversation(c);
 861                    });
 862                case AudioManager.RINGER_MODE_CHANGED_ACTION:
 863                case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 864                    if (dndOnSilentMode()) {
 865                        refreshAllPresences();
 866                    }
 867                    break;
 868                case Intent.ACTION_SCREEN_ON:
 869                    deactivateGracePeriod();
 870                case Intent.ACTION_USER_PRESENT:
 871                case Intent.ACTION_SCREEN_OFF:
 872                    if (awayWhenScreenLocked()) {
 873                        refreshAllPresences();
 874                    }
 875                    break;
 876                case ACTION_FCM_TOKEN_REFRESH:
 877                    refreshAllFcmTokens();
 878                    break;
 879                case ACTION_RENEW_UNIFIED_PUSH_ENDPOINTS:
 880                    final String instance = intent.getStringExtra("instance");
 881                    final Optional<UnifiedPushBroker.Transport> transport = renewUnifiedPushEndpoints();
 882                    if (instance != null && transport.isPresent()) {
 883                        unifiedPushBroker.rebroadcastEndpoint(instance, transport.get());
 884                    }
 885                    break;
 886                case ACTION_IDLE_PING:
 887                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 888                        scheduleNextIdlePing();
 889                    }
 890                    break;
 891                case ACTION_FCM_MESSAGE_RECEIVED:
 892                    pushedAccountHash = intent.getStringExtra("account");
 893                    Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 894                    break;
 895                case Intent.ACTION_SEND:
 896                    Uri uri = intent.getData();
 897                    if (uri != null) {
 898                        Log.d(Config.LOGTAG, "received uri permission for " + uri);
 899                    }
 900                    return START_STICKY;
 901            }
 902        }
 903        synchronized (this) {
 904            WakeLockHelper.acquire(wakeLock);
 905            boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action) || (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0 && ACTION_POST_CONNECTIVITY_CHANGE.equals(action));
 906            final HashSet<Account> pingCandidates = new HashSet<>();
 907            final String androidId = PhoneHelper.getAndroidId(this);
 908            for (Account account : accounts) {
 909                final boolean pushWasMeantForThisAccount = CryptoHelper.getAccountFingerprint(account, androidId).equals(pushedAccountHash);
 910                pingNow |= processAccountState(account,
 911                        interactive,
 912                        "ui".equals(action),
 913                        pushWasMeantForThisAccount,
 914                        pingCandidates);
 915            }
 916            if (pingNow) {
 917                for (Account account : pingCandidates) {
 918                    final boolean lowTimeout = isInLowPingTimeoutMode(account);
 919                    account.getXmppConnection().sendPing();
 920                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + lowTimeout + ")");
 921                    scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 922                }
 923            }
 924            WakeLockHelper.release(wakeLock);
 925        }
 926        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 927            expireOldMessages();
 928        }
 929        return START_STICKY;
 930    }
 931
 932    private void handleOrbotStartedEvent() {
 933        for (final Account account : accounts) {
 934            if (account.getStatus() == Account.State.TOR_NOT_AVAILABLE) {
 935                reconnectAccount(account, true, false);
 936            }
 937        }
 938    }
 939
 940    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 941        boolean pingNow = false;
 942        if (account.getStatus().isAttemptReconnect()) {
 943            if (!hasInternetConnection()) {
 944                account.setStatus(Account.State.NO_INTERNET);
 945                if (statusListener != null) {
 946                    statusListener.onStatusChanged(account);
 947                }
 948            } else {
 949                if (account.getStatus() == Account.State.NO_INTERNET) {
 950                    account.setStatus(Account.State.OFFLINE);
 951                    if (statusListener != null) {
 952                        statusListener.onStatusChanged(account);
 953                    }
 954                }
 955                if (account.getStatus() == Account.State.ONLINE) {
 956                    synchronized (mLowPingTimeoutMode) {
 957                        long lastReceived = account.getXmppConnection().getLastPacketReceived();
 958                        long lastSent = account.getXmppConnection().getLastPingSent();
 959                        long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 960                        long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 961                        int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 962                        long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 963                        if (lastSent > lastReceived) {
 964                            if (pingTimeoutIn < 0) {
 965                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 966                                this.reconnectAccount(account, true, interactive);
 967                            } else {
 968                                int secs = (int) (pingTimeoutIn / 1000);
 969                                this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 970                            }
 971                        } else {
 972                            pingCandidates.add(account);
 973                            if (isAccountPushed) {
 974                                pingNow = true;
 975                                if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 976                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 977                                }
 978                            } else if (msToNextPing <= 0) {
 979                                pingNow = true;
 980                            } else {
 981                                this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 982                                if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 983                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 984                                }
 985                            }
 986                        }
 987                    }
 988                } else if (account.getStatus() == Account.State.OFFLINE) {
 989                    reconnectAccount(account, true, interactive);
 990                } else if (account.getStatus() == Account.State.CONNECTING) {
 991                    long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 992                    long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 993                    long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 994                    long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 995                    if (timeout < 0) {
 996                        Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
 997                        account.getXmppConnection().resetAttemptCount(false);
 998                        reconnectAccount(account, true, interactive);
 999                    } else if (discoTimeout < 0) {
1000                        account.getXmppConnection().sendDiscoTimeout();
1001                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
1002                    } else {
1003                        scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
1004                    }
1005                } else {
1006                    if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
1007                        reconnectAccount(account, true, interactive);
1008                    }
1009                }
1010            }
1011        }
1012        return pingNow;
1013    }
1014
1015    public boolean processUnifiedPushMessage(final Account account, final Jid transport, final Element push) {
1016        return unifiedPushBroker.processPushMessage(account, transport, push);
1017    }
1018
1019    public void reinitializeMuclumbusService() {
1020        mChannelDiscoveryService.initializeMuclumbusService();
1021    }
1022
1023    public void discoverChannels(String query, ChannelDiscoveryService.Method method, ChannelDiscoveryService.OnChannelSearchResultsFound onChannelSearchResultsFound) {
1024        mChannelDiscoveryService.discover(Strings.nullToEmpty(query).trim(), method, onChannelSearchResultsFound);
1025    }
1026
1027    public boolean isDataSaverDisabled() {
1028        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1029            final ConnectivityManager connectivityManager =
1030                    (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
1031            return !connectivityManager.isActiveNetworkMetered()
1032                    || Compatibility.getRestrictBackgroundStatus(connectivityManager)
1033                            == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
1034        } else {
1035            return true;
1036        }
1037    }
1038
1039    private void directReply(final Conversation conversation, final String body, final String lastMessageUuid, final boolean dismissAfterReply) {
1040        final Message inReplyTo = lastMessageUuid == null ? null : conversation.findMessageWithUuid(lastMessageUuid);
1041        Message message = new Message(conversation, body, conversation.getNextEncryption());
1042        if (inReplyTo != null) {
1043            message = inReplyTo.reply();
1044            message.appendBody(body);
1045            message.setEncryption(conversation.getNextEncryption());
1046        }
1047        if (inReplyTo != null && inReplyTo.isPrivateMessage()) {
1048            Message.configurePrivateMessage(message, inReplyTo.getCounterpart());
1049        }
1050        message.markUnread();
1051        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
1052            getPgpEngine().encrypt(message, new UiCallback<Message>() {
1053                @Override
1054                public void success(Message message) {
1055                    if (dismissAfterReply) {
1056                        markRead((Conversation) message.getConversation(), true);
1057                    } else {
1058                        mNotificationService.pushFromDirectReply(message);
1059                    }
1060                }
1061
1062                @Override
1063                public void error(int errorCode, Message object) {
1064
1065                }
1066
1067                @Override
1068                public void userInputRequired(PendingIntent pi, Message object) {
1069
1070                }
1071            });
1072        } else {
1073            sendMessage(message);
1074            if (dismissAfterReply) {
1075                markRead(conversation, true);
1076            } else {
1077                mNotificationService.pushFromDirectReply(message);
1078            }
1079        }
1080    }
1081
1082    private boolean dndOnSilentMode() {
1083        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
1084    }
1085
1086    private boolean manuallyChangePresence() {
1087        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
1088    }
1089
1090    private boolean treatVibrateAsSilent() {
1091        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
1092    }
1093
1094    private boolean awayWhenScreenLocked() {
1095        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
1096    }
1097
1098    private String getCompressPicturesPreference() {
1099        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
1100    }
1101
1102    private Presence.Status getTargetPresence() {
1103        if (dndOnSilentMode() && isPhoneSilenced()) {
1104            return Presence.Status.DND;
1105        } else if (awayWhenScreenLocked() && isScreenLocked()) {
1106            return Presence.Status.AWAY;
1107        } else {
1108            return Presence.Status.ONLINE;
1109        }
1110    }
1111
1112    public boolean isScreenLocked() {
1113        final KeyguardManager keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
1114        final PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
1115        final boolean locked = keyguardManager != null && keyguardManager.isKeyguardLocked();
1116        final boolean interactive = powerManager != null && powerManager.isInteractive();
1117        return locked || !interactive;
1118    }
1119
1120    private boolean isPhoneSilenced() {
1121        final boolean notificationDnd;
1122        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1123            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
1124            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
1125            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
1126        } else {
1127            notificationDnd = false;
1128        }
1129        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
1130        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
1131        try {
1132            if (treatVibrateAsSilent()) {
1133                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
1134            } else {
1135                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
1136            }
1137        } catch (Throwable throwable) {
1138            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
1139            return notificationDnd;
1140        }
1141    }
1142
1143    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
1144        Log.d(Config.LOGTAG, "resetting all attempt counts");
1145        for (Account account : accounts) {
1146            if (account.hasErrorStatus() || reallyAll) {
1147                final XmppConnection connection = account.getXmppConnection();
1148                if (connection != null) {
1149                    connection.resetAttemptCount(retryImmediately);
1150                }
1151            }
1152            if (account.setShowErrorNotification(true)) {
1153                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1154            }
1155        }
1156        mNotificationService.updateErrorNotification();
1157    }
1158
1159    private void dismissErrorNotifications() {
1160        for (final Account account : this.accounts) {
1161            if (account.hasErrorStatus()) {
1162                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
1163                if (account.setShowErrorNotification(false)) {
1164                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1165                }
1166            }
1167        }
1168    }
1169
1170    private void expireOldMessages() {
1171        expireOldMessages(false);
1172    }
1173
1174    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1175        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1176        mDatabaseWriterExecutor.execute(() -> {
1177            long timestamp = getAutomaticMessageDeletionDate();
1178            if (timestamp > 0) {
1179                databaseBackend.expireOldMessages(timestamp);
1180                synchronized (XmppConnectionService.this.conversations) {
1181                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1182                        conversation.expireOldMessages(timestamp);
1183                        if (resetHasMessagesLeftOnServer) {
1184                            conversation.messagesLoaded.set(true);
1185                            conversation.setHasMessagesLeftOnServer(true);
1186                        }
1187                    }
1188                }
1189                updateConversationUi();
1190            }
1191        });
1192    }
1193
1194    public boolean hasInternetConnection() {
1195        final ConnectivityManager cm = ContextCompat.getSystemService(this, ConnectivityManager.class);
1196        if (cm == null) {
1197            return true; //if internet connection can not be checked it is probably best to just try
1198        }
1199        try {
1200            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
1201                final Network activeNetwork = cm.getActiveNetwork();
1202                final NetworkCapabilities capabilities = activeNetwork == null ? null : cm.getNetworkCapabilities(activeNetwork);
1203                return capabilities != null && capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
1204            } else {
1205                final NetworkInfo networkInfo = cm.getActiveNetworkInfo();
1206                return networkInfo != null && (networkInfo.isConnected() || networkInfo.getType() == ConnectivityManager.TYPE_ETHERNET);
1207            }
1208        } catch (final RuntimeException e) {
1209            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1210            return true; //if internet connection can not be checked it is probably best to just try
1211        }
1212    }
1213
1214    @SuppressLint("TrulyRandom")
1215    @Override
1216    public void onCreate() {
1217        setTheme(ThemeHelper.find(this));
1218        ThemeHelper.applyCustomColors(this);
1219        if (Compatibility.runsTwentySix()) {
1220            mNotificationService.initializeChannels();
1221        }
1222        mChannelDiscoveryService.initializeMuclumbusService();
1223        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1224        toggleForegroundService();
1225        this.destroyed = false;
1226        OmemoSetting.load(this);
1227        ExceptionHelper.init(getApplicationContext());
1228        try {
1229            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1230        } catch (Throwable throwable) {
1231            Log.e(Config.LOGTAG, "unable to initialize security provider", throwable);
1232        }
1233        Resolver.init(this);
1234        updateMemorizingTrustmanager();
1235        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1236        final int cacheSize = maxMemory / 9;
1237        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
1238            @Override
1239            protected int sizeOf(final String key, final Bitmap bitmap) {
1240                return bitmap.getByteCount() / 1024;
1241            }
1242        };
1243        this.mDrawableCache = new LruCache<String, Drawable>(cacheSize) {
1244            @Override
1245            protected int sizeOf(final String key, final Drawable drawable) {
1246                if (drawable instanceof BitmapDrawable) {
1247                    return ((BitmapDrawable) drawable).getBitmap().getByteCount() / 1024;
1248                } else {
1249                    return drawable.getIntrinsicWidth() * drawable.getIntrinsicHeight() * 40 / 1024;
1250                }
1251            }
1252        };
1253        if (mLastActivity == 0) {
1254            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1255        }
1256
1257        Log.d(Config.LOGTAG, "initializing database...");
1258        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1259        Log.d(Config.LOGTAG, "restoring accounts...");
1260        this.accounts = databaseBackend.getAccounts();
1261        final SharedPreferences.Editor editor = getPreferences().edit();
1262        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1263            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1264            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1265        }
1266        final boolean hasEnabledAccounts = hasEnabledAccounts();
1267        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1268        editor.apply();
1269        toggleSetProfilePictureActivity(hasEnabledAccounts);
1270        reconfigurePushDistributor();
1271
1272        restoreFromDatabase();
1273
1274        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1275            startContactObserver();
1276        }
1277        FILE_OBSERVER_EXECUTOR.execute(fileBackend::deleteHistoricAvatarPath);
1278        if (Compatibility.hasStoragePermission(this)) {
1279            Log.d(Config.LOGTAG, "starting file observer");
1280            FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::startWatching);
1281            FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1282        }
1283        if (Config.supportOpenPgp()) {
1284            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1285                @Override
1286                public void onBound(IOpenPgpService2 service) {
1287                    for (Account account : accounts) {
1288                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1289                        if (pgp != null) {
1290                            pgp.continueDecryption(true);
1291                        }
1292                    }
1293                }
1294
1295                @Override
1296                public void onError(Exception e) {
1297                }
1298            });
1299            this.pgpServiceConnection.bindToService();
1300        }
1301
1302        final PowerManager pm = ContextCompat.getSystemService(this, PowerManager.class);
1303        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1304
1305        toggleForegroundService();
1306        updateUnreadCountBadge();
1307        toggleScreenEventReceiver();
1308        final IntentFilter intentFilter = new IntentFilter();
1309        intentFilter.addAction(TorServiceUtils.ACTION_STATUS);
1310        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1311            scheduleNextIdlePing();
1312            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1313                intentFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1314            }
1315            intentFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1316        }
1317        registerReceiver(this.mInternalEventReceiver, intentFilter);
1318        mForceDuringOnCreate.set(false);
1319        toggleForegroundService();
1320        setupPhoneStateListener();
1321    }
1322
1323
1324    private void setupPhoneStateListener() {
1325        final TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
1326        if (telephonyManager == null || Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
1327            return;
1328        }
1329        telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
1330    }
1331
1332    public boolean isPhoneInCall() {
1333        return isPhoneInCall.get();
1334    }
1335
1336    private void checkForDeletedFiles() {
1337        if (destroyed) {
1338            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1339            return;
1340        }
1341        final long start = SystemClock.elapsedRealtime();
1342        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1343        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1344        for (final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1345            if (destroyed) {
1346                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1347                return;
1348            }
1349            final File file = fileBackend.getFileForPath(filePath.path);
1350            if (filePath.setDeleted(!file.exists())) {
1351                changed.add(filePath);
1352            }
1353        }
1354        final long duration = SystemClock.elapsedRealtime() - start;
1355        Log.d(Config.LOGTAG, "found " + changed.size() + " changed files on start up. total=" + relativeFilePaths.size() + ". (" + duration + "ms)");
1356        if (changed.size() > 0) {
1357            databaseBackend.markFilesAsChanged(changed);
1358            markChangedFiles(changed);
1359        }
1360    }
1361
1362    public void startContactObserver() {
1363        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1364            @Override
1365            public void onChange(boolean selfChange) {
1366                super.onChange(selfChange);
1367                if (restoredFromDatabaseLatch.getCount() == 0) {
1368                    loadPhoneContacts();
1369                }
1370            }
1371        });
1372    }
1373
1374    @Override
1375    public void onTrimMemory(int level) {
1376        super.onTrimMemory(level);
1377        if (level >= TRIM_MEMORY_COMPLETE) {
1378            Log.d(Config.LOGTAG, "clear cache due to low memory");
1379            getBitmapCache().evictAll();
1380        }
1381    }
1382
1383    @Override
1384    public void onDestroy() {
1385        try {
1386            unregisterReceiver(this.mInternalEventReceiver);
1387            unregisterReceiver(this.mInternalScreenEventReceiver);
1388        } catch (final IllegalArgumentException e) {
1389            //ignored
1390        }
1391        destroyed = false;
1392        fileObserver.stopWatching();
1393        super.onDestroy();
1394    }
1395
1396    public void restartFileObserver() {
1397        Log.d(Config.LOGTAG, "restarting file observer");
1398        FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::restartWatching);
1399        FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1400    }
1401
1402    public void toggleScreenEventReceiver() {
1403        if (awayWhenScreenLocked() && !manuallyChangePresence()) {
1404            final IntentFilter filter = new IntentFilter();
1405            filter.addAction(Intent.ACTION_SCREEN_ON);
1406            filter.addAction(Intent.ACTION_SCREEN_OFF);
1407            filter.addAction(Intent.ACTION_USER_PRESENT);
1408            registerReceiver(this.mInternalScreenEventReceiver, filter);
1409        } else {
1410            try {
1411                unregisterReceiver(this.mInternalScreenEventReceiver);
1412            } catch (IllegalArgumentException e) {
1413                //ignored
1414            }
1415        }
1416    }
1417
1418    public void toggleForegroundService() {
1419        toggleForegroundService(false);
1420    }
1421
1422    public void setOngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
1423        ongoingCall.set(new OngoingCall(id, media, reconnecting));
1424        toggleForegroundService(false);
1425    }
1426
1427    public void removeOngoingCall() {
1428        ongoingCall.set(null);
1429        toggleForegroundService(false);
1430    }
1431
1432    private void toggleForegroundService(boolean force) {
1433        final boolean status;
1434        final OngoingCall ongoing = ongoingCall.get();
1435        final boolean showOngoing = ongoing != null && !diallerIntegrationActive.get();
1436        if (force || mForceDuringOnCreate.get() || mForceForegroundService.get() || showOngoing || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1437            final Notification notification;
1438            final int id;
1439            if (showOngoing) {
1440                notification = this.mNotificationService.getOngoingCallNotification(ongoing);
1441                id = NotificationService.ONGOING_CALL_NOTIFICATION_ID;
1442                startForeground(id, notification);
1443                mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1444            } else {
1445                notification = this.mNotificationService.createForegroundNotification();
1446                id = NotificationService.FOREGROUND_NOTIFICATION_ID;
1447                startForeground(id, notification);
1448            }
1449
1450            if (!mForceForegroundService.get()) {
1451                mNotificationService.notify(id, notification);
1452            }
1453            status = true;
1454        } else {
1455            stopForeground(true);
1456            status = false;
1457        }
1458        if (!mForceForegroundService.get()) {
1459            mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1460        }
1461        if (!showOngoing) {
1462            mNotificationService.cancel(NotificationService.ONGOING_CALL_NOTIFICATION_ID);
1463        }
1464        Log.d(Config.LOGTAG, "ForegroundService: " + (status ? "on" : "off"));
1465    }
1466
1467    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1468        return !mForceForegroundService.get() && ongoingCall.get() == null && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1469    }
1470
1471    @Override
1472    public void onTaskRemoved(final Intent rootIntent) {
1473        super.onTaskRemoved(rootIntent);
1474        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get() || ongoingCall.get() != null) {
1475            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1476        } else {
1477            this.logoutAndSave(false);
1478        }
1479    }
1480
1481    private void logoutAndSave(boolean stop) {
1482        int activeAccounts = 0;
1483        for (final Account account : accounts) {
1484            if (account.getStatus() != Account.State.DISABLED) {
1485                databaseBackend.writeRoster(account.getRoster());
1486                activeAccounts++;
1487            }
1488            if (account.getXmppConnection() != null) {
1489                new Thread(() -> disconnect(account, false)).start();
1490            }
1491        }
1492        if (stop || activeAccounts == 0) {
1493            Log.d(Config.LOGTAG, "good bye");
1494            stopSelf();
1495        }
1496    }
1497
1498    private void schedulePostConnectivityChange() {
1499        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1500        if (alarmManager == null) {
1501            return;
1502        }
1503        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1504        final Intent intent = new Intent(this, EventReceiver.class);
1505        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1506        try {
1507            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, s()
1508                    ? PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT
1509                    : PendingIntent.FLAG_UPDATE_CURRENT);
1510            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1511                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1512            } else {
1513                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1514            }
1515        } catch (RuntimeException e) {
1516            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1517        }
1518    }
1519
1520    public void scheduleWakeUpCall(int seconds, int requestCode) {
1521        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000L;
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("ping");
1528        try {
1529            final PendingIntent pendingIntent;
1530            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1531                pendingIntent =
1532                        PendingIntent.getBroadcast(
1533                                this, requestCode, intent, PendingIntent.FLAG_IMMUTABLE);
1534            } else {
1535                pendingIntent =
1536                        PendingIntent.getBroadcast(
1537                                this, requestCode, intent, 0);
1538            }
1539            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1540        } catch (RuntimeException e) {
1541            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1542        }
1543    }
1544
1545    @TargetApi(Build.VERSION_CODES.M)
1546    private void scheduleNextIdlePing() {
1547        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1548        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1549        if (alarmManager == null) {
1550            return;
1551        }
1552        final Intent intent = new Intent(this, EventReceiver.class);
1553        intent.setAction(ACTION_IDLE_PING);
1554        try {
1555            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, s()
1556                    ? PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT
1557                    : PendingIntent.FLAG_UPDATE_CURRENT);
1558            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1559        } catch (RuntimeException e) {
1560            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1561        }
1562    }
1563
1564    public XmppConnection createConnection(final Account account) {
1565        final XmppConnection connection = new XmppConnection(account, this);
1566        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1567        connection.setOnStatusChangedListener(this.statusListener);
1568        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1569        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1570        connection.setOnJinglePacketReceivedListener((mJingleConnectionManager::deliverPacket));
1571        connection.setOnBindListener(this.mOnBindListener);
1572        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1573        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1574        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1575        AxolotlService axolotlService = account.getAxolotlService();
1576        if (axolotlService != null) {
1577            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1578        }
1579        return connection;
1580    }
1581
1582    public void sendChatState(Conversation conversation) {
1583        if (sendChatStates()) {
1584            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1585            sendMessagePacket(conversation.getAccount(), packet);
1586        }
1587    }
1588
1589    private void sendFileMessage(final Message message, final boolean delay) {
1590        Log.d(Config.LOGTAG, "send file message");
1591        final Account account = message.getConversation().getAccount();
1592        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1593                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1594            mHttpConnectionManager.createNewUploadConnection(message, delay);
1595        } else {
1596            mJingleConnectionManager.startJingleFileTransfer(message);
1597        }
1598    }
1599
1600    public void sendMessage(final Message message) {
1601        sendMessage(message, false, false);
1602    }
1603
1604    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1605        final Account account = message.getConversation().getAccount();
1606        if (account.setShowErrorNotification(true)) {
1607            databaseBackend.updateAccount(account);
1608            mNotificationService.updateErrorNotification();
1609        }
1610        final Conversation conversation = (Conversation) message.getConversation();
1611        account.deactivateGracePeriod();
1612
1613
1614        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1615            final Contact contact = conversation.getContact();
1616            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1617                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": adding " + contact.getJid() + " on sending message");
1618                createContact(contact, true);
1619            }
1620        }
1621
1622        MessagePacket packet = null;
1623        final boolean addToConversation = !message.edited();
1624        boolean saveInDb = addToConversation;
1625        message.setStatus(Message.STATUS_WAITING);
1626
1627        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1628            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1629                databaseBackend.updateConversation(conversation);
1630            }
1631        }
1632
1633        final boolean inProgressJoin = isJoinInProgress(conversation);
1634
1635        if (message.getCounterpart() == null && !message.isPrivateMessage()) {
1636            message.setCounterpart(message.getConversation().getJid().asBareJid());
1637        }
1638
1639        if (account.isOnlineAndConnected() && !inProgressJoin) {
1640            switch (message.getEncryption()) {
1641                case Message.ENCRYPTION_NONE:
1642                    if (message.needsUploading()) {
1643                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1644                                || conversation.getMode() == Conversation.MODE_MULTI
1645                                || message.fixCounterpart()) {
1646                            this.sendFileMessage(message, delay);
1647                        } else {
1648                            break;
1649                        }
1650                    } else {
1651                        packet = mMessageGenerator.generateChat(message);
1652                    }
1653                    break;
1654                case Message.ENCRYPTION_PGP:
1655                case Message.ENCRYPTION_DECRYPTED:
1656                    if (message.needsUploading()) {
1657                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1658                                || conversation.getMode() == Conversation.MODE_MULTI
1659                                || message.fixCounterpart()) {
1660                            this.sendFileMessage(message, delay);
1661                        } else {
1662                            break;
1663                        }
1664                    } else {
1665                        packet = mMessageGenerator.generatePgpChat(message);
1666                    }
1667                    break;
1668                case Message.ENCRYPTION_AXOLOTL:
1669                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1670                    if (message.needsUploading()) {
1671                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1672                                || conversation.getMode() == Conversation.MODE_MULTI
1673                                || message.fixCounterpart()) {
1674                            this.sendFileMessage(message, delay);
1675                        } else {
1676                            break;
1677                        }
1678                    } else {
1679                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1680                        if (axolotlMessage == null) {
1681                            account.getAxolotlService().preparePayloadMessage(message, delay);
1682                        } else {
1683                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1684                        }
1685                    }
1686                    break;
1687
1688            }
1689            if (packet != null) {
1690                if (account.getXmppConnection().getFeatures().sm()
1691                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1692                    message.setStatus(Message.STATUS_UNSEND);
1693                } else {
1694                    message.setStatus(Message.STATUS_SEND);
1695                }
1696            }
1697        } else {
1698            switch (message.getEncryption()) {
1699                case Message.ENCRYPTION_DECRYPTED:
1700                    if (!message.needsUploading()) {
1701                        String pgpBody = message.getEncryptedBody();
1702                        String decryptedBody = message.getBody();
1703                        message.setBody(pgpBody); //TODO might throw NPE
1704                        message.setEncryption(Message.ENCRYPTION_PGP);
1705                        if (message.edited()) {
1706                            message.setBody(decryptedBody);
1707                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1708                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1709                                Log.e(Config.LOGTAG, "error updated message in DB after edit");
1710                            }
1711                            updateConversationUi();
1712                            return;
1713                        } else {
1714                            databaseBackend.createMessage(message);
1715                            saveInDb = false;
1716                            message.setBody(decryptedBody);
1717                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1718                        }
1719                    }
1720                    break;
1721                case Message.ENCRYPTION_AXOLOTL:
1722                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1723                    break;
1724            }
1725        }
1726
1727
1728        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1729        if (mucMessage) {
1730            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1731        }
1732
1733        if (resend) {
1734            if (packet != null && addToConversation) {
1735                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1736                    markMessage(message, Message.STATUS_UNSEND);
1737                } else {
1738                    markMessage(message, Message.STATUS_SEND);
1739                }
1740            }
1741        } else {
1742            if (addToConversation) {
1743                conversation.add(message);
1744            }
1745            if (saveInDb) {
1746                databaseBackend.createMessage(message);
1747            } else if (message.edited()) {
1748                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1749                    Log.e(Config.LOGTAG, "error updated message in DB after edit");
1750                }
1751            }
1752            updateConversationUi();
1753        }
1754        if (packet != null) {
1755            if (delay) {
1756                mMessageGenerator.addDelay(packet, message.getTimeSent());
1757            }
1758            if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
1759                if (this.sendChatStates()) {
1760                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1761                }
1762            }
1763            sendMessagePacket(account, packet);
1764        }
1765    }
1766
1767    private boolean isJoinInProgress(final Conversation conversation) {
1768        final Account account = conversation.getAccount();
1769        synchronized (account.inProgressConferenceJoins) {
1770            if (conversation.getMode() == Conversational.MODE_MULTI) {
1771                final boolean inProgress = account.inProgressConferenceJoins.contains(conversation);
1772                final boolean pending = account.pendingConferenceJoins.contains(conversation);
1773                final boolean inProgressJoin = inProgress || pending;
1774                if (inProgressJoin) {
1775                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": holding back message to group. inProgress=" + inProgress + ", pending=" + pending);
1776                }
1777                return inProgressJoin;
1778            } else {
1779                return false;
1780            }
1781        }
1782    }
1783
1784    private void sendUnsentMessages(final Conversation conversation) {
1785        conversation.findWaitingMessages(message -> resendMessage(message, true));
1786    }
1787
1788    public void resendMessage(final Message message, final boolean delay) {
1789        sendMessage(message, true, delay);
1790    }
1791
1792    public void requestEasyOnboardingInvite(final Account account, final EasyOnboardingInvite.OnInviteRequested callback) {
1793        final XmppConnection connection = account.getXmppConnection();
1794        final Jid jid = connection == null ? null : connection.getJidForCommand(Namespace.EASY_ONBOARDING_INVITE);
1795        if (jid == null) {
1796            callback.inviteRequestFailed(getString(R.string.server_does_not_support_easy_onboarding_invites));
1797            return;
1798        }
1799        final IqPacket request = new IqPacket(IqPacket.TYPE.SET);
1800        request.setTo(jid);
1801        final Element command = request.addChild("command", Namespace.COMMANDS);
1802        command.setAttribute("node", Namespace.EASY_ONBOARDING_INVITE);
1803        command.setAttribute("action", "execute");
1804        sendIqPacket(account, request, (a, response) -> {
1805            if (response.getType() == IqPacket.TYPE.RESULT) {
1806                final Element resultCommand = response.findChild("command", Namespace.COMMANDS);
1807                final Element x = resultCommand == null ? null : resultCommand.findChild("x", Namespace.DATA);
1808                if (x != null) {
1809                    final Data data = Data.parse(x);
1810                    final String uri = data.getValue("uri");
1811                    final String landingUrl = data.getValue("landing-url");
1812                    if (uri != null) {
1813                        final EasyOnboardingInvite invite = new EasyOnboardingInvite(jid.getDomain().toEscapedString(), uri, landingUrl);
1814                        callback.inviteRequested(invite);
1815                        return;
1816                    }
1817                }
1818                callback.inviteRequestFailed(getString(R.string.unable_to_parse_invite));
1819                Log.d(Config.LOGTAG, response.toString());
1820            } else if (response.getType() == IqPacket.TYPE.ERROR) {
1821                callback.inviteRequestFailed(IqParser.errorMessage(response));
1822            } else {
1823                callback.inviteRequestFailed(getString(R.string.remote_server_timeout));
1824            }
1825        });
1826
1827    }
1828
1829    public void fetchRosterFromServer(final Account account) {
1830        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1831        if (!"".equals(account.getRosterVersion())) {
1832            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1833                    + ": fetching roster version " + account.getRosterVersion());
1834        } else {
1835            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1836        }
1837        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1838        sendIqPacket(account, iqPacket, mIqParser);
1839    }
1840
1841    public void fetchBookmarks(final Account account) {
1842        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1843        final Element query = iqPacket.query("jabber:iq:private");
1844        query.addChild("storage", Namespace.BOOKMARKS);
1845        final OnIqPacketReceived callback = (a, response) -> {
1846            if (response.getType() == IqPacket.TYPE.RESULT) {
1847                final Element query1 = response.query();
1848                final Element storage = query1.findChild("storage", "storage:bookmarks");
1849                Map<Jid, Bookmark> bookmarks = Bookmark.parseFromStorage(storage, account);
1850                processBookmarksInitial(a, bookmarks, false);
1851            } else {
1852                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1853            }
1854        };
1855        sendIqPacket(account, iqPacket, callback);
1856    }
1857
1858    public void fetchBookmarks2(final Account account) {
1859        final IqPacket retrieve = mIqGenerator.retrieveBookmarks();
1860        sendIqPacket(account, retrieve, new OnIqPacketReceived() {
1861            @Override
1862            public void onIqPacketReceived(final Account account, final IqPacket response) {
1863                if (response.getType() == IqPacket.TYPE.RESULT) {
1864                    final Element pubsub = response.findChild("pubsub", Namespace.PUBSUB);
1865                    final Map<Jid, Bookmark> bookmarks = Bookmark.parseFromPubsub(pubsub, account);
1866                    processBookmarksInitial(account, bookmarks, true);
1867                }
1868            }
1869        });
1870    }
1871
1872    public void processBookmarksInitial(Account account, Map<Jid, Bookmark> bookmarks, final boolean pep) {
1873        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
1874        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1875        for (Bookmark bookmark : bookmarks.values()) {
1876            previousBookmarks.remove(bookmark.getJid().asBareJid());
1877            processModifiedBookmark(bookmark, pep, synchronizeWithBookmarks);
1878        }
1879        if (pep && synchronizeWithBookmarks) {
1880            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
1881            for (Jid jid : previousBookmarks) {
1882                processDeletedBookmark(account, jid);
1883            }
1884        }
1885        account.setBookmarks(bookmarks);
1886    }
1887
1888    public void processDeletedBookmark(Account account, Jid jid) {
1889        final Conversation conversation = find(account, jid);
1890        if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
1891            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving destroyed conference (" + conversation.getJid() + ") after receiving pep");
1892            archiveConversation(conversation, false);
1893        }
1894    }
1895
1896    private void processModifiedBookmark(Bookmark bookmark, final boolean pep, final boolean synchronizeWithBookmarks) {
1897        final Account account = bookmark.getAccount();
1898        Conversation conversation = find(bookmark);
1899        if (conversation != null) {
1900            if (conversation.getMode() != Conversation.MODE_MULTI) {
1901                return;
1902            }
1903            bookmark.setConversation(conversation);
1904            if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
1905                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conference (" + conversation.getJid() + ") after receiving pep");
1906                archiveConversation(conversation, false);
1907            } else {
1908                final MucOptions mucOptions = conversation.getMucOptions();
1909                if (mucOptions.getError() == MucOptions.Error.NICK_IN_USE) {
1910                    final String current = mucOptions.getActualNick();
1911                    final String proposed = mucOptions.getProposedNick();
1912                    if (current != null && !current.equals(proposed)) {
1913                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": proposed nick changed after bookmark push " + current + "->" + proposed);
1914                        joinMuc(conversation);
1915                    }
1916                }
1917            }
1918        } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
1919            conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1920            bookmark.setConversation(conversation);
1921        }
1922    }
1923
1924    public void processModifiedBookmark(Bookmark bookmark) {
1925        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1926        processModifiedBookmark(bookmark, true, synchronizeWithBookmarks);
1927    }
1928
1929    public void createBookmark(final Account account, final Bookmark bookmark) {
1930        account.putBookmark(bookmark);
1931        final XmppConnection connection = account.getXmppConnection();
1932        if (connection == null) {
1933            Log.d(Config.LOGTAG, account.getJid().asBareJid()+": no connection. ignoring bookmark creation");
1934        } else if (connection.getFeatures().bookmarks2()) {
1935            final Element item = mIqGenerator.publishBookmarkItem(bookmark);
1936            pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS2, item, bookmark.getJid().asBareJid().toEscapedString(), PublishOptions.persistentWhitelistAccessMaxItems());
1937        } else if (connection.getFeatures().bookmarksConversion()) {
1938            pushBookmarksPep(account);
1939        } else {
1940            pushBookmarksPrivateXml(account);
1941        }
1942    }
1943
1944    public void deleteBookmark(final Account account, final Bookmark bookmark) {
1945        if (bookmark.getJid().toString().equals("discuss@conference.soprani.ca")) {
1946            getPreferences().edit().putBoolean("cheogram_sopranica_bookmark_deleted", true).apply();
1947        }
1948        account.removeBookmark(bookmark);
1949        final XmppConnection connection = account.getXmppConnection();
1950        if (connection == null) return;
1951
1952        if (connection.getFeatures().bookmarks2()) {
1953            IqPacket request = mIqGenerator.deleteItem(Namespace.BOOKMARKS2, bookmark.getJid().asBareJid().toEscapedString());
1954            sendIqPacket(account, request, (a, response) -> {
1955                if (response.getType() == IqPacket.TYPE.ERROR) {
1956                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": unable to delete bookmark " + response.getErrorCondition());
1957                }
1958            });
1959        } else if (connection.getFeatures().bookmarksConversion()) {
1960            pushBookmarksPep(account);
1961        } else {
1962            pushBookmarksPrivateXml(account);
1963        }
1964    }
1965
1966    private void pushBookmarksPrivateXml(Account account) {
1967        if (!account.areBookmarksLoaded()) return;
1968
1969        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
1970        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1971        Element query = iqPacket.query("jabber:iq:private");
1972        Element storage = query.addChild("storage", "storage:bookmarks");
1973        for (final Bookmark bookmark : account.getBookmarks()) {
1974            storage.addChild(bookmark);
1975        }
1976        sendIqPacket(account, iqPacket, mDefaultIqHandler);
1977    }
1978
1979    private void pushBookmarksPep(Account account) {
1980        if (!account.areBookmarksLoaded()) return;
1981
1982        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
1983        final Element storage = new Element("storage", "storage:bookmarks");
1984        for (final Bookmark bookmark : account.getBookmarks()) {
1985            storage.addChild(bookmark);
1986        }
1987        pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS, storage, "current", PublishOptions.persistentWhitelistAccess());
1988
1989    }
1990
1991    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options) {
1992        pushNodeAndEnforcePublishOptions(account, node, element, id, options, true);
1993
1994    }
1995
1996    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options, final boolean retry) {
1997        final IqPacket packet = mIqGenerator.publishElement(node, element, id, options);
1998        sendIqPacket(account, packet, (a, response) -> {
1999            if (response.getType() == IqPacket.TYPE.RESULT) {
2000                return;
2001            }
2002            if (retry && PublishOptions.preconditionNotMet(response)) {
2003                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
2004                    @Override
2005                    public void onPushSucceeded() {
2006                        pushNodeAndEnforcePublishOptions(account, node, element, id, options, false);
2007                    }
2008
2009                    @Override
2010                    public void onPushFailed() {
2011                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to push node configuration (" + node + ")");
2012                    }
2013                });
2014            } else {
2015                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error publishing bookmarks (retry=" + retry + ") " + response);
2016            }
2017        });
2018    }
2019
2020    private void restoreFromDatabase() {
2021        synchronized (this.conversations) {
2022            final Map<String, Account> accountLookupTable = new Hashtable<>();
2023            for (Account account : this.accounts) {
2024                accountLookupTable.put(account.getUuid(), account);
2025            }
2026            Log.d(Config.LOGTAG, "restoring conversations...");
2027            final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
2028            this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
2029            for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
2030                Conversation conversation = iterator.next();
2031                Account account = accountLookupTable.get(conversation.getAccountUuid());
2032                if (account != null) {
2033                    conversation.setAccount(account);
2034                } else {
2035                    Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
2036                    iterator.remove();
2037                }
2038            }
2039            long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
2040            Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
2041            Runnable runnable = () -> {
2042                if (DatabaseBackend.requiresMessageIndexRebuild()) {
2043                    DatabaseBackend.getInstance(this).rebuildMessagesIndex();
2044                }
2045                final long deletionDate = getAutomaticMessageDeletionDate();
2046                mLastExpiryRun.set(SystemClock.elapsedRealtime());
2047                if (deletionDate > 0) {
2048                    Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
2049                    databaseBackend.expireOldMessages(deletionDate);
2050                }
2051                Log.d(Config.LOGTAG, "restoring roster...");
2052                for (final Account account : accounts) {
2053                    databaseBackend.readRoster(account.getRoster());
2054                    account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
2055                }
2056                getBitmapCache().evictAll();
2057                loadPhoneContacts();
2058                Log.d(Config.LOGTAG, "restoring messages...");
2059                final long startMessageRestore = SystemClock.elapsedRealtime();
2060                final Conversation quickLoad = QuickLoader.get(this.conversations);
2061                if (quickLoad != null) {
2062                    restoreMessages(quickLoad);
2063                    updateConversationUi();
2064                    final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
2065                    Log.d(Config.LOGTAG, "quickly restored " + quickLoad.getName() + " after " + diffMessageRestore + "ms");
2066                }
2067                for (Conversation conversation : this.conversations) {
2068                    if (quickLoad != conversation) {
2069                        restoreMessages(conversation);
2070                    }
2071                }
2072                mNotificationService.finishBacklog();
2073                restoredFromDatabaseLatch.countDown();
2074                final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
2075                Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
2076                updateConversationUi();
2077            };
2078            mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
2079        }
2080    }
2081
2082    private void restoreMessages(Conversation conversation) {
2083        conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
2084        conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
2085        conversation.findUnreadMessagesAndCalls(mNotificationService::pushFromBacklog);
2086    }
2087
2088    public void loadPhoneContacts() {
2089        mContactMergerExecutor.execute(() -> {
2090            final Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
2091            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
2092            for (final Account account : accounts) {
2093                final List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
2094                for (final JabberIdContact jidContact : contacts.values()) {
2095                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
2096                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
2097                    if (needsCacheClean) {
2098                        getAvatarService().clear(contact);
2099                    }
2100                    withSystemAccounts.remove(contact);
2101                }
2102                for (final Contact contact : withSystemAccounts) {
2103                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
2104                    if (needsCacheClean) {
2105                        getAvatarService().clear(contact);
2106                    }
2107                }
2108            }
2109            Log.d(Config.LOGTAG, "finished merging phone contacts");
2110            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
2111            updateRosterUi();
2112            mQuickConversationsService.considerSync();
2113        });
2114    }
2115
2116
2117    public void syncRoster(final Account account) {
2118        mRosterSyncTaskManager.execute(account, () -> {
2119            unregisterPhoneAccounts(account);
2120            databaseBackend.writeRoster(account.getRoster());
2121            try { Thread.sleep(500); } catch (InterruptedException e) { }
2122        });
2123    }
2124
2125    public List<Conversation> getConversations() {
2126        return this.conversations;
2127    }
2128
2129    private void markFileDeleted(final File file) {
2130        synchronized (FILENAMES_TO_IGNORE_DELETION) {
2131            if (FILENAMES_TO_IGNORE_DELETION.remove(file.getAbsolutePath())) {
2132                Log.d(Config.LOGTAG, "ignored deletion of " + file.getAbsolutePath());
2133                return;
2134            }
2135        }
2136        final boolean isInternalFile = fileBackend.isInternalFile(file);
2137        final List<String> uuids = databaseBackend.markFileAsDeleted(file, isInternalFile);
2138        Log.d(Config.LOGTAG, "deleted file " + file.getAbsolutePath() + " internal=" + isInternalFile + ", database hits=" + uuids.size());
2139        markUuidsAsDeletedFiles(uuids);
2140    }
2141
2142    private void markUuidsAsDeletedFiles(List<String> uuids) {
2143        boolean deleted = false;
2144        for (Conversation conversation : getConversations()) {
2145            deleted |= conversation.markAsDeleted(uuids);
2146        }
2147        for (final String uuid : uuids) {
2148            evictPreview(uuid);
2149        }
2150        if (deleted) {
2151            updateConversationUi();
2152        }
2153    }
2154
2155    private void markChangedFiles(List<DatabaseBackend.FilePathInfo> infos) {
2156        boolean changed = false;
2157        for (Conversation conversation : getConversations()) {
2158            changed |= conversation.markAsChanged(infos);
2159        }
2160        if (changed) {
2161            updateConversationUi();
2162        }
2163    }
2164
2165    public void populateWithOrderedConversations(final List<Conversation> list) {
2166        populateWithOrderedConversations(list, true, true);
2167    }
2168
2169    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload) {
2170        populateWithOrderedConversations(list, includeNoFileUpload, true);
2171    }
2172
2173    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload, final boolean sort) {
2174        final List<String> orderedUuids;
2175        if (sort) {
2176            orderedUuids = null;
2177        } else {
2178            orderedUuids = new ArrayList<>();
2179            for (Conversation conversation : list) {
2180                orderedUuids.add(conversation.getUuid());
2181            }
2182        }
2183        list.clear();
2184        if (includeNoFileUpload) {
2185            list.addAll(getConversations());
2186        } else {
2187            for (Conversation conversation : getConversations()) {
2188                if (conversation.getMode() == Conversation.MODE_SINGLE
2189                        || (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
2190                    list.add(conversation);
2191                }
2192            }
2193        }
2194        try {
2195            if (orderedUuids != null) {
2196                Collections.sort(list, (a, b) -> {
2197                    final int indexA = orderedUuids.indexOf(a.getUuid());
2198                    final int indexB = orderedUuids.indexOf(b.getUuid());
2199                    if (indexA == -1 || indexB == -1 || indexA == indexB) {
2200                        return a.compareTo(b);
2201                    }
2202                    return indexA - indexB;
2203                });
2204            } else {
2205                Collections.sort(list);
2206            }
2207        } catch (IllegalArgumentException e) {
2208            //ignore
2209        }
2210    }
2211
2212    public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
2213        if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
2214            return;
2215        } else if (timestamp == 0) {
2216            return;
2217        }
2218        Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
2219        final Runnable runnable = () -> {
2220            final Account account = conversation.getAccount();
2221            List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
2222            if (messages.size() > 0) {
2223                conversation.addAll(0, messages);
2224                callback.onMoreMessagesLoaded(messages.size(), conversation);
2225            } else if (conversation.hasMessagesLeftOnServer()
2226                    && account.isOnlineAndConnected()
2227                    && conversation.getLastClearHistory().getTimestamp() == 0) {
2228                final boolean mamAvailable;
2229                if (conversation.getMode() == Conversation.MODE_SINGLE) {
2230                    mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
2231                } else {
2232                    mamAvailable = conversation.getMucOptions().mamSupport();
2233                }
2234                if (mamAvailable) {
2235                    MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
2236                    if (query != null) {
2237                        query.setCallback(callback);
2238                        callback.informUser(R.string.fetching_history_from_server);
2239                    } else {
2240                        callback.informUser(R.string.not_fetching_history_retention_period);
2241                    }
2242
2243                }
2244            }
2245        };
2246        mDatabaseReaderExecutor.execute(runnable);
2247    }
2248
2249    public List<Account> getAccounts() {
2250        return this.accounts;
2251    }
2252
2253
2254    /**
2255     * 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)
2256     */
2257    public List<Conversation> findAllConferencesWith(Contact contact) {
2258        final ArrayList<Conversation> results = new ArrayList<>();
2259        for (final Conversation c : conversations) {
2260            if (c.getMode() != Conversation.MODE_MULTI) {
2261                continue;
2262            }
2263            final MucOptions mucOptions = c.getMucOptions();
2264            if (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || (mucOptions != null && mucOptions.isContactInRoom(contact))) {
2265                results.add(c);
2266            }
2267        }
2268        return results;
2269    }
2270
2271    public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
2272        for (final Conversation conversation : haystack) {
2273            if (conversation.getContact() == contact) {
2274                return conversation;
2275            }
2276        }
2277        return null;
2278    }
2279
2280    public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
2281        if (jid == null) {
2282            return null;
2283        }
2284        for (final Conversation conversation : haystack) {
2285            if ((account == null || conversation.getAccount() == account)
2286                    && (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
2287                return conversation;
2288            }
2289        }
2290        return null;
2291    }
2292
2293    public boolean isConversationsListEmpty(final Conversation ignore) {
2294        synchronized (this.conversations) {
2295            final int size = this.conversations.size();
2296            return size == 0 || size == 1 && this.conversations.get(0) == ignore;
2297        }
2298    }
2299
2300    public boolean isConversationStillOpen(final Conversation conversation) {
2301        synchronized (this.conversations) {
2302            for (Conversation current : this.conversations) {
2303                if (current == conversation) {
2304                    return true;
2305                }
2306            }
2307        }
2308        return false;
2309    }
2310
2311    public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
2312        return this.findOrCreateConversation(account, jid, muc, false, async);
2313    }
2314
2315    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
2316        return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
2317    }
2318
2319    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
2320        synchronized (this.conversations) {
2321            Conversation conversation = find(account, jid);
2322            if (conversation != null) {
2323                return conversation;
2324            }
2325            conversation = databaseBackend.findConversation(account, jid);
2326            final boolean loadMessagesFromDb;
2327            if (conversation != null) {
2328                conversation.setStatus(Conversation.STATUS_AVAILABLE);
2329                conversation.setAccount(account);
2330                if (muc) {
2331                    conversation.setMode(Conversation.MODE_MULTI);
2332                    conversation.setContactJid(jid);
2333                } else {
2334                    conversation.setMode(Conversation.MODE_SINGLE);
2335                    conversation.setContactJid(jid.asBareJid());
2336                }
2337                databaseBackend.updateConversation(conversation);
2338                loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
2339            } else {
2340                String conversationName;
2341                Contact contact = account.getRoster().getContact(jid);
2342                if (contact != null) {
2343                    conversationName = contact.getDisplayName();
2344                } else {
2345                    conversationName = jid.getLocal();
2346                }
2347                if (muc) {
2348                    conversation = new Conversation(conversationName, account, jid,
2349                            Conversation.MODE_MULTI);
2350                } else {
2351                    conversation = new Conversation(conversationName, account, jid.asBareJid(),
2352                            Conversation.MODE_SINGLE);
2353                }
2354                this.databaseBackend.createConversation(conversation);
2355                loadMessagesFromDb = false;
2356            }
2357            final Conversation c = conversation;
2358            final Runnable runnable = () -> {
2359                if (loadMessagesFromDb) {
2360                    c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
2361                    updateConversationUi();
2362                    c.messagesLoaded.set(true);
2363                }
2364                if (account.getXmppConnection() != null
2365                        && !c.getContact().isBlocked()
2366                        && account.getXmppConnection().getFeatures().mam()
2367                        && !muc) {
2368                    if (query == null) {
2369                        mMessageArchiveService.query(c);
2370                    } else {
2371                        if (query.getConversation() == null) {
2372                            mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
2373                        }
2374                    }
2375                }
2376                if (joinAfterCreate) {
2377                    joinMuc(c);
2378                }
2379            };
2380            if (async) {
2381                mDatabaseReaderExecutor.execute(runnable);
2382            } else {
2383                runnable.run();
2384            }
2385            this.conversations.add(conversation);
2386            updateConversationUi();
2387            return conversation;
2388        }
2389    }
2390
2391    public void archiveConversation(Conversation conversation) {
2392        archiveConversation(conversation, true);
2393    }
2394
2395    private void archiveConversation(Conversation conversation, final boolean maySynchronizeWithBookmarks) {
2396        getNotificationService().clear(conversation);
2397        conversation.setStatus(Conversation.STATUS_ARCHIVED);
2398        conversation.setNextMessage(null);
2399        synchronized (this.conversations) {
2400            getMessageArchiveService().kill(conversation);
2401            if (conversation.getMode() == Conversation.MODE_MULTI) {
2402                if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2403                    final Bookmark bookmark = conversation.getBookmark();
2404                    if (maySynchronizeWithBookmarks && bookmark != null && synchronizeWithBookmarks()) {
2405                        if (conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2406                            Account account = bookmark.getAccount();
2407                            bookmark.setConversation(null);
2408                            deleteBookmark(account, bookmark);
2409                        } else if (bookmark.autojoin()) {
2410                            bookmark.setAutojoin(false);
2411                            createBookmark(bookmark.getAccount(), bookmark);
2412                        }
2413                    }
2414                }
2415                leaveMuc(conversation);
2416            } else {
2417                if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2418                    stopPresenceUpdatesTo(conversation.getContact());
2419                }
2420            }
2421            updateConversation(conversation);
2422            this.conversations.remove(conversation);
2423            updateConversationUi();
2424        }
2425    }
2426
2427    public void stopPresenceUpdatesTo(Contact contact) {
2428        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
2429        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
2430        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2431    }
2432
2433    public void createAccount(final Account account) {
2434        account.initAccountServices(this);
2435        databaseBackend.createAccount(account);
2436        this.accounts.add(account);
2437        this.reconnectAccountInBackground(account);
2438        updateAccountUi();
2439        syncEnabledAccountSetting();
2440        toggleForegroundService();
2441    }
2442
2443    private void syncEnabledAccountSetting() {
2444        final boolean hasEnabledAccounts = hasEnabledAccounts();
2445        getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
2446        toggleSetProfilePictureActivity(hasEnabledAccounts);
2447    }
2448
2449    private void toggleSetProfilePictureActivity(final boolean enabled) {
2450        try {
2451            final ComponentName name = new ComponentName(this, ChooseAccountForProfilePictureActivity.class);
2452            final int targetState = enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
2453            getPackageManager().setComponentEnabledSetting(name, targetState, PackageManager.DONT_KILL_APP);
2454        } catch (IllegalStateException e) {
2455            Log.d(Config.LOGTAG, "unable to toggle profile picture activity");
2456        }
2457    }
2458
2459    public boolean reconfigurePushDistributor() {
2460        return this.unifiedPushBroker.reconfigurePushDistributor();
2461    }
2462
2463    public Optional<UnifiedPushBroker.Transport> renewUnifiedPushEndpoints() {
2464        return this.unifiedPushBroker.renewUnifiedPushEndpoints();
2465    }
2466
2467    private void provisionAccount(final String address, final String password) {
2468        final Jid jid = Jid.ofEscaped(address);
2469        final Account account = new Account(jid, password);
2470        account.setOption(Account.OPTION_DISABLED, true);
2471        Log.d(Config.LOGTAG, jid.asBareJid().toEscapedString() + ": provisioning account");
2472        createAccount(account);
2473    }
2474
2475    public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
2476        new Thread(() -> {
2477            try {
2478                final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
2479                final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
2480                if (cert == null) {
2481                    callback.informUser(R.string.unable_to_parse_certificate);
2482                    return;
2483                }
2484                Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
2485                if (info == null) {
2486                    callback.informUser(R.string.certificate_does_not_contain_jid);
2487                    return;
2488                }
2489                if (findAccountByJid(info.first) == null) {
2490                    final Account account = new Account(info.first, "");
2491                    account.setPrivateKeyAlias(alias);
2492                    account.setOption(Account.OPTION_DISABLED, true);
2493                    account.setOption(Account.OPTION_FIXED_USERNAME, true);
2494                    account.setDisplayName(info.second);
2495                    createAccount(account);
2496                    callback.onAccountCreated(account);
2497                    if (Config.X509_VERIFICATION) {
2498                        try {
2499                            getMemorizingTrustManager().getNonInteractive(account.getServer()).checkClientTrusted(chain, "RSA");
2500                        } catch (CertificateException e) {
2501                            callback.informUser(R.string.certificate_chain_is_not_trusted);
2502                        }
2503                    }
2504                } else {
2505                    callback.informUser(R.string.account_already_exists);
2506                }
2507            } catch (Exception e) {
2508                callback.informUser(R.string.unable_to_parse_certificate);
2509            }
2510        }).start();
2511
2512    }
2513
2514    public void updateKeyInAccount(final Account account, final String alias) {
2515        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
2516        try {
2517            X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
2518            Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
2519            Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
2520            if (info == null) {
2521                showErrorToastInUi(R.string.certificate_does_not_contain_jid);
2522                return;
2523            }
2524            if (account.getJid().asBareJid().equals(info.first)) {
2525                account.setPrivateKeyAlias(alias);
2526                account.setDisplayName(info.second);
2527                databaseBackend.updateAccount(account);
2528                if (Config.X509_VERIFICATION) {
2529                    try {
2530                        getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
2531                    } catch (CertificateException e) {
2532                        showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
2533                    }
2534                    account.getAxolotlService().regenerateKeys(true);
2535                }
2536            } else {
2537                showErrorToastInUi(R.string.jid_does_not_match_certificate);
2538            }
2539        } catch (Exception e) {
2540            e.printStackTrace();
2541        }
2542    }
2543
2544    public boolean updateAccount(final Account account) {
2545        if (databaseBackend.updateAccount(account)) {
2546            account.setShowErrorNotification(true);
2547            this.statusListener.onStatusChanged(account);
2548            databaseBackend.updateAccount(account);
2549            reconnectAccountInBackground(account);
2550            updateAccountUi();
2551            getNotificationService().updateErrorNotification();
2552            toggleForegroundService();
2553            syncEnabledAccountSetting();
2554            mChannelDiscoveryService.cleanCache();
2555            return true;
2556        } else {
2557            return false;
2558        }
2559    }
2560
2561    public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
2562        final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
2563        sendIqPacket(account, iq, (a, packet) -> {
2564            if (packet.getType() == IqPacket.TYPE.RESULT) {
2565                a.setPassword(newPassword);
2566                a.setOption(Account.OPTION_MAGIC_CREATE, false);
2567                databaseBackend.updateAccount(a);
2568                callback.onPasswordChangeSucceeded();
2569            } else {
2570                callback.onPasswordChangeFailed();
2571            }
2572        });
2573    }
2574
2575    public void deleteAccount(final Account account) {
2576        final boolean connected = account.getStatus() == Account.State.ONLINE;
2577        synchronized (this.conversations) {
2578            if (connected) {
2579                account.getAxolotlService().deleteOmemoIdentity();
2580            }
2581            for (final Conversation conversation : conversations) {
2582                if (conversation.getAccount() == account) {
2583                    if (conversation.getMode() == Conversation.MODE_MULTI) {
2584                        if (connected) {
2585                            leaveMuc(conversation);
2586                        }
2587                    }
2588                    conversations.remove(conversation);
2589                    mNotificationService.clear(conversation);
2590                }
2591            }
2592            new Thread(() -> {
2593                for (final Contact contact : account.getRoster().getContacts()) {
2594                    contact.unregisterAsPhoneAccount(this);
2595                }
2596            }).start();
2597            if (account.getXmppConnection() != null) {
2598                new Thread(() -> disconnect(account, !connected)).start();
2599            }
2600            final Runnable runnable = () -> {
2601                if (!databaseBackend.deleteAccount(account)) {
2602                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2603                }
2604            };
2605            mDatabaseWriterExecutor.execute(runnable);
2606            this.accounts.remove(account);
2607            this.mRosterSyncTaskManager.clear(account);
2608            updateAccountUi();
2609            mNotificationService.updateErrorNotification();
2610            syncEnabledAccountSetting();
2611            toggleForegroundService();
2612        }
2613    }
2614
2615    public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2616        final boolean remainingListeners;
2617        synchronized (LISTENER_LOCK) {
2618            remainingListeners = checkListeners();
2619            if (!this.mOnConversationUpdates.add(listener)) {
2620                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as ConversationListChangedListener");
2621            }
2622            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2623        }
2624        if (remainingListeners) {
2625            switchToForeground();
2626        }
2627    }
2628
2629    public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2630        final boolean remainingListeners;
2631        synchronized (LISTENER_LOCK) {
2632            this.mOnConversationUpdates.remove(listener);
2633            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2634            remainingListeners = checkListeners();
2635        }
2636        if (remainingListeners) {
2637            switchToBackground();
2638        }
2639    }
2640
2641    public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2642        final boolean remainingListeners;
2643        synchronized (LISTENER_LOCK) {
2644            remainingListeners = checkListeners();
2645            if (!this.mOnShowErrorToasts.add(listener)) {
2646                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnShowErrorToastListener");
2647            }
2648        }
2649        if (remainingListeners) {
2650            switchToForeground();
2651        }
2652    }
2653
2654    public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2655        final boolean remainingListeners;
2656        synchronized (LISTENER_LOCK) {
2657            this.mOnShowErrorToasts.remove(onShowErrorToast);
2658            remainingListeners = checkListeners();
2659        }
2660        if (remainingListeners) {
2661            switchToBackground();
2662        }
2663    }
2664
2665    public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2666        final boolean remainingListeners;
2667        synchronized (LISTENER_LOCK) {
2668            remainingListeners = checkListeners();
2669            if (!this.mOnAccountUpdates.add(listener)) {
2670                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnAccountListChangedtListener");
2671            }
2672        }
2673        if (remainingListeners) {
2674            switchToForeground();
2675        }
2676    }
2677
2678    public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2679        final boolean remainingListeners;
2680        synchronized (LISTENER_LOCK) {
2681            this.mOnAccountUpdates.remove(listener);
2682            remainingListeners = checkListeners();
2683        }
2684        if (remainingListeners) {
2685            switchToBackground();
2686        }
2687    }
2688
2689    public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2690        final boolean remainingListeners;
2691        synchronized (LISTENER_LOCK) {
2692            remainingListeners = checkListeners();
2693            if (!this.mOnCaptchaRequested.add(listener)) {
2694                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnCaptchaRequestListener");
2695            }
2696        }
2697        if (remainingListeners) {
2698            switchToForeground();
2699        }
2700    }
2701
2702    public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2703        final boolean remainingListeners;
2704        synchronized (LISTENER_LOCK) {
2705            this.mOnCaptchaRequested.remove(listener);
2706            remainingListeners = checkListeners();
2707        }
2708        if (remainingListeners) {
2709            switchToBackground();
2710        }
2711    }
2712
2713    public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2714        final boolean remainingListeners;
2715        synchronized (LISTENER_LOCK) {
2716            remainingListeners = checkListeners();
2717            if (!this.mOnRosterUpdates.add(listener)) {
2718                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnRosterUpdateListener");
2719            }
2720        }
2721        if (remainingListeners) {
2722            switchToForeground();
2723        }
2724    }
2725
2726    public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2727        final boolean remainingListeners;
2728        synchronized (LISTENER_LOCK) {
2729            this.mOnRosterUpdates.remove(listener);
2730            remainingListeners = checkListeners();
2731        }
2732        if (remainingListeners) {
2733            switchToBackground();
2734        }
2735    }
2736
2737    public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2738        final boolean remainingListeners;
2739        synchronized (LISTENER_LOCK) {
2740            remainingListeners = checkListeners();
2741            if (!this.mOnUpdateBlocklist.add(listener)) {
2742                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnUpdateBlocklistListener");
2743            }
2744        }
2745        if (remainingListeners) {
2746            switchToForeground();
2747        }
2748    }
2749
2750    public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2751        final boolean remainingListeners;
2752        synchronized (LISTENER_LOCK) {
2753            this.mOnUpdateBlocklist.remove(listener);
2754            remainingListeners = checkListeners();
2755        }
2756        if (remainingListeners) {
2757            switchToBackground();
2758        }
2759    }
2760
2761    public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2762        final boolean remainingListeners;
2763        synchronized (LISTENER_LOCK) {
2764            remainingListeners = checkListeners();
2765            if (!this.mOnKeyStatusUpdated.add(listener)) {
2766                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnKeyStatusUpdateListener");
2767            }
2768        }
2769        if (remainingListeners) {
2770            switchToForeground();
2771        }
2772    }
2773
2774    public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2775        final boolean remainingListeners;
2776        synchronized (LISTENER_LOCK) {
2777            this.mOnKeyStatusUpdated.remove(listener);
2778            remainingListeners = checkListeners();
2779        }
2780        if (remainingListeners) {
2781            switchToBackground();
2782        }
2783    }
2784
2785    public void setOnRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2786        final boolean remainingListeners;
2787        synchronized (LISTENER_LOCK) {
2788            remainingListeners = checkListeners();
2789            if (!this.onJingleRtpConnectionUpdate.add(listener)) {
2790                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnJingleRtpConnectionUpdate");
2791            }
2792        }
2793        if (remainingListeners) {
2794            switchToForeground();
2795        }
2796    }
2797
2798    public void removeRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2799        final boolean remainingListeners;
2800        synchronized (LISTENER_LOCK) {
2801            this.onJingleRtpConnectionUpdate.remove(listener);
2802            remainingListeners = checkListeners();
2803        }
2804        if (remainingListeners) {
2805            switchToBackground();
2806        }
2807    }
2808
2809    public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2810        final boolean remainingListeners;
2811        synchronized (LISTENER_LOCK) {
2812            remainingListeners = checkListeners();
2813            if (!this.mOnMucRosterUpdate.add(listener)) {
2814                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnMucRosterListener");
2815            }
2816        }
2817        if (remainingListeners) {
2818            switchToForeground();
2819        }
2820    }
2821
2822    public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2823        final boolean remainingListeners;
2824        synchronized (LISTENER_LOCK) {
2825            this.mOnMucRosterUpdate.remove(listener);
2826            remainingListeners = checkListeners();
2827        }
2828        if (remainingListeners) {
2829            switchToBackground();
2830        }
2831    }
2832
2833    public boolean checkListeners() {
2834        return (this.mOnAccountUpdates.size() == 0
2835                && this.mOnConversationUpdates.size() == 0
2836                && this.mOnRosterUpdates.size() == 0
2837                && this.mOnCaptchaRequested.size() == 0
2838                && this.mOnMucRosterUpdate.size() == 0
2839                && this.mOnUpdateBlocklist.size() == 0
2840                && this.mOnShowErrorToasts.size() == 0
2841                && this.onJingleRtpConnectionUpdate.size() == 0
2842                && this.mOnKeyStatusUpdated.size() == 0);
2843    }
2844
2845    private void switchToForeground() {
2846        final boolean broadcastLastActivity = broadcastLastActivity();
2847        for (Conversation conversation : getConversations()) {
2848            if (conversation.getMode() == Conversation.MODE_MULTI) {
2849                conversation.getMucOptions().resetChatState();
2850            } else {
2851                conversation.setIncomingChatState(Config.DEFAULT_CHAT_STATE);
2852            }
2853        }
2854        for (Account account : getAccounts()) {
2855            if (account.getStatus() == Account.State.ONLINE) {
2856                account.deactivateGracePeriod();
2857                final XmppConnection connection = account.getXmppConnection();
2858                if (connection != null) {
2859                    if (connection.getFeatures().csi()) {
2860                        connection.sendActive();
2861                    }
2862                    if (broadcastLastActivity) {
2863                        sendPresence(account, false); //send new presence but don't include idle because we are not
2864                    }
2865                }
2866            }
2867        }
2868        Log.d(Config.LOGTAG, "app switched into foreground");
2869    }
2870
2871    private void switchToBackground() {
2872        final boolean broadcastLastActivity = broadcastLastActivity();
2873        if (broadcastLastActivity) {
2874            mLastActivity = System.currentTimeMillis();
2875            final SharedPreferences.Editor editor = getPreferences().edit();
2876            editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2877            editor.apply();
2878        }
2879        for (Account account : getAccounts()) {
2880            if (account.getStatus() == Account.State.ONLINE) {
2881                XmppConnection connection = account.getXmppConnection();
2882                if (connection != null) {
2883                    if (broadcastLastActivity) {
2884                        sendPresence(account, true);
2885                    }
2886                    if (connection.getFeatures().csi()) {
2887                        connection.sendInactive();
2888                    }
2889                }
2890            }
2891        }
2892        this.mNotificationService.setIsInForeground(false);
2893        Log.d(Config.LOGTAG, "app switched into background");
2894    }
2895
2896    private void connectMultiModeConversations(Account account) {
2897        List<Conversation> conversations = getConversations();
2898        for (Conversation conversation : conversations) {
2899            if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2900                joinMuc(conversation);
2901            }
2902        }
2903    }
2904
2905    public void mucSelfPingAndRejoin(final Conversation conversation) {
2906        final Account account = conversation.getAccount();
2907        synchronized (account.inProgressConferenceJoins) {
2908            if (account.inProgressConferenceJoins.contains(conversation)) {
2909                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because join is already under way");
2910                return;
2911            }
2912        }
2913        synchronized (account.inProgressConferencePings) {
2914            if (!account.inProgressConferencePings.add(conversation)) {
2915                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because ping is already under way");
2916                return;
2917            }
2918        }
2919        final Jid self = conversation.getMucOptions().getSelf().getFullJid();
2920        final IqPacket ping = new IqPacket(IqPacket.TYPE.GET);
2921        ping.setTo(self);
2922        ping.addChild("ping", Namespace.PING);
2923        sendIqPacket(conversation.getAccount(), ping, (a, response) -> {
2924            if (response.getType() == IqPacket.TYPE.ERROR) {
2925                Element error = response.findChild("error");
2926                if (error == null || error.hasChild("service-unavailable") || error.hasChild("feature-not-implemented") || error.hasChild("item-not-found")) {
2927                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back as ignorable error");
2928                } else {
2929                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " failed. attempting rejoin");
2930                    joinMuc(conversation);
2931                }
2932            } else if (response.getType() == IqPacket.TYPE.RESULT) {
2933                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back fine");
2934            }
2935            synchronized (account.inProgressConferencePings) {
2936                account.inProgressConferencePings.remove(conversation);
2937            }
2938        });
2939    }
2940    public void joinMuc(Conversation conversation) {
2941        joinMuc(conversation, null, false);
2942    }
2943
2944    public void joinMuc(Conversation conversation, boolean followedInvite) {
2945        joinMuc(conversation, null, followedInvite);
2946    }
2947
2948    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2949        joinMuc(conversation, onConferenceJoined, false);
2950    }
2951
2952    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2953        final Account account = conversation.getAccount();
2954        synchronized (account.pendingConferenceJoins) {
2955            account.pendingConferenceJoins.remove(conversation);
2956        }
2957        synchronized (account.pendingConferenceLeaves) {
2958            account.pendingConferenceLeaves.remove(conversation);
2959        }
2960        if (account.getStatus() == Account.State.ONLINE) {
2961            synchronized (account.inProgressConferenceJoins) {
2962                account.inProgressConferenceJoins.add(conversation);
2963            }
2964            if (Config.MUC_LEAVE_BEFORE_JOIN) {
2965                sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2966            }
2967            conversation.resetMucOptions();
2968            if (onConferenceJoined != null) {
2969                conversation.getMucOptions().flagNoAutoPushConfiguration();
2970            }
2971            conversation.setHasMessagesLeftOnServer(false);
2972            fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2973
2974                private void join(Conversation conversation) {
2975                    Account account = conversation.getAccount();
2976                    final MucOptions mucOptions = conversation.getMucOptions();
2977
2978                    if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
2979                        synchronized (account.inProgressConferenceJoins) {
2980                            account.inProgressConferenceJoins.remove(conversation);
2981                        }
2982                        mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
2983                        updateConversationUi();
2984                        if (onConferenceJoined != null) {
2985                            onConferenceJoined.onConferenceJoined(conversation);
2986                        }
2987                        return;
2988                    }
2989
2990                    final Jid joinJid = mucOptions.getSelf().getFullJid();
2991                    Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2992                    PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2993                    packet.setTo(joinJid);
2994                    Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2995                    if (conversation.getMucOptions().getPassword() != null) {
2996                        x.addChild("password").setContent(mucOptions.getPassword());
2997                    }
2998
2999                    if (mucOptions.mamSupport()) {
3000                        // Use MAM instead of the limited muc history to get history
3001                        x.addChild("history").setAttribute("maxchars", "0");
3002                    } else {
3003                        // Fallback to muc history
3004                        x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
3005                    }
3006                    sendPresencePacket(account, packet);
3007                    if (onConferenceJoined != null) {
3008                        onConferenceJoined.onConferenceJoined(conversation);
3009                    }
3010                    if (!joinJid.equals(conversation.getJid())) {
3011                        conversation.setContactJid(joinJid);
3012                        databaseBackend.updateConversation(conversation);
3013                    }
3014
3015                    if (mucOptions.mamSupport()) {
3016                        getMessageArchiveService().catchupMUC(conversation);
3017                    }
3018                    if (mucOptions.isPrivateAndNonAnonymous()) {
3019                        fetchConferenceMembers(conversation);
3020
3021                        if (followedInvite) {
3022                            final Bookmark bookmark = conversation.getBookmark();
3023                            if (bookmark != null) {
3024                                if (!bookmark.autojoin()) {
3025                                    bookmark.setAutojoin(true);
3026                                    createBookmark(account, bookmark);
3027                                }
3028                            } else {
3029                                saveConversationAsBookmark(conversation, null);
3030                            }
3031                        }
3032                    }
3033                    synchronized (account.inProgressConferenceJoins) {
3034                        account.inProgressConferenceJoins.remove(conversation);
3035                        sendUnsentMessages(conversation);
3036                    }
3037                }
3038
3039                @Override
3040                public void onConferenceConfigurationFetched(Conversation conversation) {
3041                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3042                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
3043                        return;
3044                    }
3045                    join(conversation);
3046                }
3047
3048                @Override
3049                public void onFetchFailed(final Conversation conversation, final String errorCondition) {
3050                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3051                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
3052                        return;
3053                    }
3054                    if ("remote-server-not-found".equals(errorCondition)) {
3055                        synchronized (account.inProgressConferenceJoins) {
3056                            account.inProgressConferenceJoins.remove(conversation);
3057                        }
3058                        conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
3059                        updateConversationUi();
3060                    } else {
3061                        join(conversation);
3062                        fetchConferenceConfiguration(conversation);
3063                    }
3064                }
3065            });
3066            updateConversationUi();
3067        } else {
3068            synchronized (account.pendingConferenceJoins) {
3069                account.pendingConferenceJoins.add(conversation);
3070            }
3071            conversation.resetMucOptions();
3072            conversation.setHasMessagesLeftOnServer(false);
3073            updateConversationUi();
3074        }
3075    }
3076
3077    private void fetchConferenceMembers(final Conversation conversation) {
3078        final Account account = conversation.getAccount();
3079        final AxolotlService axolotlService = account.getAxolotlService();
3080        final String[] affiliations = {"member", "admin", "owner"};
3081        OnIqPacketReceived callback = new OnIqPacketReceived() {
3082
3083            private int i = 0;
3084            private boolean success = true;
3085
3086            @Override
3087            public void onIqPacketReceived(Account account, IqPacket packet) {
3088                final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
3089                Element query = packet.query("http://jabber.org/protocol/muc#admin");
3090                if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
3091                    for (Element child : query.getChildren()) {
3092                        if ("item".equals(child.getName())) {
3093                            MucOptions.User user = AbstractParser.parseItem(conversation, child);
3094                            if (!user.realJidMatchesAccount()) {
3095                                boolean isNew = conversation.getMucOptions().updateUser(user);
3096                                Contact contact = user.getContact();
3097                                if (omemoEnabled
3098                                        && isNew
3099                                        && user.getRealJid() != null
3100                                        && (contact == null || !contact.mutualPresenceSubscription())
3101                                        && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
3102                                    axolotlService.fetchDeviceIds(user.getRealJid());
3103                                }
3104                            }
3105                        }
3106                    }
3107                } else {
3108                    success = false;
3109                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
3110                }
3111                ++i;
3112                if (i >= affiliations.length) {
3113                    List<Jid> members = conversation.getMucOptions().getMembers(true);
3114                    if (success) {
3115                        List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
3116                        boolean changed = false;
3117                        for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
3118                            Jid jid = iterator.next();
3119                            if (!members.contains(jid) && !members.contains(jid.getDomain())) {
3120                                iterator.remove();
3121                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
3122                                changed = true;
3123                            }
3124                        }
3125                        if (changed) {
3126                            conversation.setAcceptedCryptoTargets(cryptoTargets);
3127                            updateConversation(conversation);
3128                        }
3129                    }
3130                    getAvatarService().clear(conversation);
3131                    updateMucRosterUi();
3132                    updateConversationUi();
3133                }
3134            }
3135        };
3136        for (String affiliation : affiliations) {
3137            sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
3138        }
3139        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
3140    }
3141
3142    public void providePasswordForMuc(Conversation conversation, String password) {
3143        if (conversation.getMode() == Conversation.MODE_MULTI) {
3144            conversation.getMucOptions().setPassword(password);
3145            if (conversation.getBookmark() != null) {
3146                final Bookmark bookmark = conversation.getBookmark();
3147                if (synchronizeWithBookmarks()) {
3148                    bookmark.setAutojoin(true);
3149                }
3150                createBookmark(conversation.getAccount(), bookmark);
3151            }
3152            updateConversation(conversation);
3153            joinMuc(conversation);
3154        }
3155    }
3156
3157    public void deleteAvatar(final Account account) {
3158        final AtomicBoolean executed = new AtomicBoolean(false);
3159        final Runnable onDeleted =
3160                () -> {
3161                    if (executed.compareAndSet(false, true)) {
3162                        account.setAvatar(null);
3163                        databaseBackend.updateAccount(account);
3164                        getAvatarService().clear(account);
3165                        updateAccountUi();
3166                    }
3167                };
3168        deleteVcardAvatar(account, onDeleted);
3169        deletePepNode(account, Namespace.AVATAR_DATA);
3170        deletePepNode(account, Namespace.AVATAR_METADATA, onDeleted);
3171    }
3172
3173    public void deletePepNode(final Account account, final String node) {
3174        deletePepNode(account, node, null);
3175    }
3176
3177    private void deletePepNode(final Account account, final String node, final Runnable runnable) {
3178        final IqPacket request = mIqGenerator.deleteNode(node);
3179        sendIqPacket(account, request, (a, packet) -> {
3180            if (packet.getType() == IqPacket.TYPE.RESULT) {
3181                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": successfully deleted pep node "+node);
3182                if (runnable != null) {
3183                    runnable.run();
3184                }
3185            } else {
3186                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": failed to delete "+ packet);
3187            }
3188        });
3189    }
3190
3191    private void deleteVcardAvatar(final Account account, @NonNull final Runnable runnable) {
3192        final IqPacket retrieveVcard = mIqGenerator.retrieveVcardAvatar(account.getJid().asBareJid());
3193        sendIqPacket(account, retrieveVcard, (a, response) -> {
3194            if (response.getType() != IqPacket.TYPE.RESULT) {
3195                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": no vCard set. nothing to do");
3196                return;
3197            }
3198            final Element vcard = response.findChild("vCard", "vcard-temp");
3199            if (vcard == null) {
3200                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": no vCard set. nothing to do");
3201                return;
3202            }
3203            Element photo = vcard.findChild("PHOTO");
3204            if (photo == null) {
3205                photo = vcard.addChild("PHOTO");
3206            }
3207            photo.clearChildren();
3208            IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3209            publication.setTo(a.getJid().asBareJid());
3210            publication.addChild(vcard);
3211            sendIqPacket(account, publication, (a1, publicationResponse) -> {
3212                if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3213                    Log.d(Config.LOGTAG,a1.getJid().asBareJid()+": successfully deleted vcard avatar");
3214                    runnable.run();
3215                } else {
3216                    Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3217                }
3218            });
3219        });
3220    }
3221
3222    private boolean hasEnabledAccounts() {
3223        if (this.accounts == null) {
3224            return false;
3225        }
3226        for (Account account : this.accounts) {
3227            if (account.isEnabled()) {
3228                return true;
3229            }
3230        }
3231        return false;
3232    }
3233
3234
3235    public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
3236        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
3237    }
3238
3239    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3240        getAttachments(account.getUuid(), jid.asBareJid(), limit, onMediaLoaded);
3241    }
3242
3243
3244    public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3245        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
3246    }
3247
3248    public void persistSelfNick(MucOptions.User self) {
3249        final Conversation conversation = self.getConversation();
3250        final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
3251        Jid full = self.getFullJid();
3252        if (!full.equals(conversation.getJid())) {
3253            Log.d(Config.LOGTAG, "nick changed. updating");
3254            conversation.setContactJid(full);
3255            databaseBackend.updateConversation(conversation);
3256        }
3257
3258        final Bookmark bookmark = conversation.getBookmark();
3259        final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
3260        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
3261            final Account account = conversation.getAccount();
3262            final String defaultNick = MucOptions.defaultNick(account);
3263            if (TextUtils.isEmpty(bookmarkedNick) && full.getResource().equals(defaultNick)) {
3264                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": do not overwrite empty bookmark nick with default nick for " + conversation.getJid().asBareJid());
3265                return;
3266            }
3267            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
3268            bookmark.setNick(full.getResource());
3269            createBookmark(bookmark.getAccount(), bookmark);
3270        }
3271    }
3272
3273    public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
3274        final MucOptions options = conversation.getMucOptions();
3275        final Jid joinJid = options.createJoinJid(nick);
3276        if (joinJid == null) {
3277            return false;
3278        }
3279        if (options.online()) {
3280            Account account = conversation.getAccount();
3281            options.setOnRenameListener(new OnRenameListener() {
3282
3283                @Override
3284                public void onSuccess() {
3285                    callback.success(conversation);
3286                }
3287
3288                @Override
3289                public void onFailure() {
3290                    callback.error(R.string.nick_in_use, conversation);
3291                }
3292            });
3293
3294            final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous());
3295            packet.setTo(joinJid);
3296            sendPresencePacket(account, packet);
3297        } else {
3298            conversation.setContactJid(joinJid);
3299            databaseBackend.updateConversation(conversation);
3300            if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
3301                Bookmark bookmark = conversation.getBookmark();
3302                if (bookmark != null) {
3303                    bookmark.setNick(nick);
3304                    createBookmark(bookmark.getAccount(), bookmark);
3305                }
3306                joinMuc(conversation);
3307            }
3308        }
3309        return true;
3310    }
3311
3312    public void leaveMuc(Conversation conversation) {
3313        leaveMuc(conversation, false);
3314    }
3315
3316    private void leaveMuc(Conversation conversation, boolean now) {
3317        final Account account = conversation.getAccount();
3318        synchronized (account.pendingConferenceJoins) {
3319            account.pendingConferenceJoins.remove(conversation);
3320        }
3321        synchronized (account.pendingConferenceLeaves) {
3322            account.pendingConferenceLeaves.remove(conversation);
3323        }
3324        if (account.getStatus() == Account.State.ONLINE || now) {
3325            sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
3326            conversation.getMucOptions().setOffline();
3327            Bookmark bookmark = conversation.getBookmark();
3328            if (bookmark != null) {
3329                bookmark.setConversation(null);
3330            }
3331            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
3332        } else {
3333            synchronized (account.pendingConferenceLeaves) {
3334                account.pendingConferenceLeaves.add(conversation);
3335            }
3336        }
3337    }
3338
3339    public String findConferenceServer(final Account account) {
3340        String server;
3341        if (account.getXmppConnection() != null) {
3342            server = account.getXmppConnection().getMucServer();
3343            if (server != null) {
3344                return server;
3345            }
3346        }
3347        for (Account other : getAccounts()) {
3348            if (other != account && other.getXmppConnection() != null) {
3349                server = other.getXmppConnection().getMucServer();
3350                if (server != null) {
3351                    return server;
3352                }
3353            }
3354        }
3355        return null;
3356    }
3357
3358
3359    public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
3360        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
3361            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
3362            if (!TextUtils.isEmpty(name)) {
3363                configuration.putString("muc#roomconfig_roomname", name);
3364            }
3365            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3366                @Override
3367                public void onPushSucceeded() {
3368                    saveConversationAsBookmark(conversation, name);
3369                    callback.success(conversation);
3370                }
3371
3372                @Override
3373                public void onPushFailed() {
3374                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
3375                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
3376                    } else {
3377                        callback.error(R.string.joined_an_existing_channel, conversation);
3378                    }
3379                }
3380            });
3381        });
3382    }
3383
3384    public boolean createAdhocConference(final Account account,
3385                                         final String name,
3386                                         final Iterable<Jid> jids,
3387                                         final UiCallback<Conversation> callback) {
3388        Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
3389        if (account.getStatus() == Account.State.ONLINE) {
3390            try {
3391                String server = findConferenceServer(account);
3392                if (server == null) {
3393                    if (callback != null) {
3394                        callback.error(R.string.no_conference_server_found, null);
3395                    }
3396                    return false;
3397                }
3398                final Jid jid = Jid.of(CryptoHelper.pronounceable(), server, null);
3399                final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
3400                joinMuc(conversation, new OnConferenceJoined() {
3401                    @Override
3402                    public void onConferenceJoined(final Conversation conversation) {
3403                        final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
3404                        if (!TextUtils.isEmpty(name)) {
3405                            configuration.putString("muc#roomconfig_roomname", name);
3406                        }
3407                        pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3408                            @Override
3409                            public void onPushSucceeded() {
3410                                for (Jid invite : jids) {
3411                                    invite(conversation, invite);
3412                                }
3413                                for (String resource : account.getSelfContact().getPresences().toResourceArray()) {
3414                                    Jid other = account.getJid().withResource(resource);
3415                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending direct invite to " + other);
3416                                    directInvite(conversation, other);
3417                                }
3418                                saveConversationAsBookmark(conversation, name);
3419                                if (callback != null) {
3420                                    callback.success(conversation);
3421                                }
3422                            }
3423
3424                            @Override
3425                            public void onPushFailed() {
3426                                archiveConversation(conversation);
3427                                if (callback != null) {
3428                                    callback.error(R.string.conference_creation_failed, conversation);
3429                                }
3430                            }
3431                        });
3432                    }
3433                });
3434                return true;
3435            } catch (IllegalArgumentException e) {
3436                if (callback != null) {
3437                    callback.error(R.string.conference_creation_failed, null);
3438                }
3439                return false;
3440            }
3441        } else {
3442            if (callback != null) {
3443                callback.error(R.string.not_connected_try_again, null);
3444            }
3445            return false;
3446        }
3447    }
3448
3449    public void checkIfMuc(final Account account, final Jid jid, Consumer<Boolean> cb) {
3450        IqPacket request = mIqGenerator.queryDiscoInfo(jid.asBareJid());
3451        sendIqPacket(account, request, (acct, reply) -> {
3452            ServiceDiscoveryResult result = new ServiceDiscoveryResult(reply);
3453            cb.accept(
3454                result.getFeatures().contains("http://jabber.org/protocol/muc") &&
3455                result.hasIdentity("conference", null)
3456            );
3457        });
3458    }
3459
3460    public void fetchConferenceConfiguration(final Conversation conversation) {
3461        fetchConferenceConfiguration(conversation, null);
3462    }
3463
3464    public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
3465        IqPacket request = mIqGenerator.queryDiscoInfo(conversation.getJid().asBareJid());
3466        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3467            @Override
3468            public void onIqPacketReceived(Account account, IqPacket packet) {
3469                if (packet.getType() == IqPacket.TYPE.RESULT) {
3470                    final MucOptions mucOptions = conversation.getMucOptions();
3471                    final Bookmark bookmark = conversation.getBookmark();
3472                    final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
3473
3474                    if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
3475                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
3476                        updateConversation(conversation);
3477                    }
3478
3479                    if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
3480                        if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
3481                            createBookmark(account, bookmark);
3482                        }
3483                    }
3484
3485
3486                    if (callback != null) {
3487                        callback.onConferenceConfigurationFetched(conversation);
3488                    }
3489
3490
3491                    updateConversationUi();
3492                } else if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
3493                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received timeout waiting for conference configuration fetch");
3494                } else {
3495                    if (callback != null) {
3496                        callback.onFetchFailed(conversation, packet.getErrorCondition());
3497                    }
3498                }
3499            }
3500        });
3501    }
3502
3503    public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3504        pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3505    }
3506
3507    public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3508        Log.d(Config.LOGTAG, "pushing node configuration");
3509        sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3510            @Override
3511            public void onIqPacketReceived(Account account, IqPacket packet) {
3512                if (packet.getType() == IqPacket.TYPE.RESULT) {
3513                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3514                    Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3515                    Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3516                    if (x != null) {
3517                        Data data = Data.parse(x);
3518                        data.submit(options);
3519                        sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3520                            @Override
3521                            public void onIqPacketReceived(Account account, IqPacket packet) {
3522                                if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3523                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": successfully changed node configuration for node " + node);
3524                                    callback.onPushSucceeded();
3525                                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3526                                    callback.onPushFailed();
3527                                }
3528                            }
3529                        });
3530                    } else if (callback != null) {
3531                        callback.onPushFailed();
3532                    }
3533                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3534                    callback.onPushFailed();
3535                }
3536            }
3537        });
3538    }
3539
3540    public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3541        if (options.getString("muc#roomconfig_whois", "moderators").equals("anyone")) {
3542            conversation.setAttribute("accept_non_anonymous", true);
3543            updateConversation(conversation);
3544        }
3545        if (options.containsKey("muc#roomconfig_moderatedroom")) {
3546            final boolean moderated = "1".equals(options.getString("muc#roomconfig_moderatedroom"));
3547            options.putString("members_by_default", moderated ? "0" : "1");
3548        }
3549        final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3550        request.setTo(conversation.getJid().asBareJid());
3551        request.query("http://jabber.org/protocol/muc#owner");
3552        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3553            @Override
3554            public void onIqPacketReceived(Account account, IqPacket packet) {
3555                if (packet.getType() == IqPacket.TYPE.RESULT) {
3556                    final Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3557                    data.submit(options);
3558                    final IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3559                    set.setTo(conversation.getJid().asBareJid());
3560                    set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3561                    sendIqPacket(account, set, new OnIqPacketReceived() {
3562                        @Override
3563                        public void onIqPacketReceived(Account account, IqPacket packet) {
3564                            if (callback != null) {
3565                                if (packet.getType() == IqPacket.TYPE.RESULT) {
3566                                    callback.onPushSucceeded();
3567                                } else {
3568                                    callback.onPushFailed();
3569                                }
3570                            }
3571                        }
3572                    });
3573                } else {
3574                    if (callback != null) {
3575                        callback.onPushFailed();
3576                    }
3577                }
3578            }
3579        });
3580    }
3581
3582    public void pushSubjectToConference(final Conversation conference, final String subject) {
3583        MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3584        this.sendMessagePacket(conference.getAccount(), packet);
3585    }
3586
3587    public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3588        final Jid jid = user.asBareJid();
3589        final IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3590        sendIqPacket(conference.getAccount(), request, (account, response) -> {
3591            if (response.getType() == IqPacket.TYPE.RESULT) {
3592                conference.getMucOptions().changeAffiliation(jid, affiliation);
3593                getAvatarService().clear(conference);
3594                if (callback != null) {
3595                    callback.onAffiliationChangedSuccessful(jid);
3596                } else {
3597                    Log.d(Config.LOGTAG, "changed affiliation of " + user + " to " + affiliation);
3598                }
3599            } else if (callback != null) {
3600                callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3601            } else {
3602                Log.d(Config.LOGTAG, "unable to change affiliation");
3603            }
3604        });
3605    }
3606
3607    public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3608        IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3609        sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3610            if (packet.getType() != IqPacket.TYPE.RESULT) {
3611                Log.d(Config.LOGTAG, account.getJid().asBareJid() + " unable to change role of " + nick);
3612            }
3613        });
3614    }
3615
3616    public void moderateMessage(final Account account, final Message m, final String reason) {
3617        IqPacket request = this.mIqGenerator.moderateMessage(account, m, reason);
3618        sendIqPacket(account, request, (a, packet) -> {
3619            if (packet.getType() != IqPacket.TYPE.RESULT) {
3620                showErrorToastInUi(R.string.unable_to_moderate);
3621                Log.d(Config.LOGTAG, a.getJid().asBareJid() + " unable to moderate: " + packet);
3622            }
3623        });
3624    }
3625
3626    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3627        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3628        request.setTo(conversation.getJid().asBareJid());
3629        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3630        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3631            @Override
3632            public void onIqPacketReceived(Account account, IqPacket packet) {
3633                if (packet.getType() == IqPacket.TYPE.RESULT) {
3634                    if (callback != null) {
3635                        callback.onRoomDestroySucceeded();
3636                    }
3637                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3638                    if (callback != null) {
3639                        callback.onRoomDestroyFailed();
3640                    }
3641                }
3642            }
3643        });
3644    }
3645
3646    private void disconnect(Account account, boolean force) {
3647        if ((account.getStatus() == Account.State.ONLINE)
3648                || (account.getStatus() == Account.State.DISABLED)) {
3649            final XmppConnection connection = account.getXmppConnection();
3650            if (!force) {
3651                List<Conversation> conversations = getConversations();
3652                for (Conversation conversation : conversations) {
3653                    if (conversation.getAccount() == account) {
3654                        if (conversation.getMode() == Conversation.MODE_MULTI) {
3655                            leaveMuc(conversation, true);
3656                        }
3657                    }
3658                }
3659                sendOfflinePresence(account);
3660            }
3661            connection.disconnect(force);
3662        }
3663    }
3664
3665    @Override
3666    public IBinder onBind(Intent intent) {
3667        return mBinder;
3668    }
3669
3670    public void updateMessage(Message message) {
3671        updateMessage(message, true);
3672    }
3673
3674    public void updateMessage(Message message, boolean includeBody) {
3675        databaseBackend.updateMessage(message, includeBody);
3676        updateConversationUi();
3677    }
3678
3679    public void createMessageAsync(final Message message) {
3680        mDatabaseWriterExecutor.execute(() -> databaseBackend.createMessage(message));
3681    }
3682
3683    public void updateMessage(Message message, String uuid) {
3684        if (!databaseBackend.updateMessage(message, uuid)) {
3685            Log.e(Config.LOGTAG, "error updated message in DB after edit");
3686        }
3687        updateConversationUi();
3688    }
3689
3690    protected void syncDirtyContacts(Account account) {
3691        for (Contact contact : account.getRoster().getContacts()) {
3692            if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
3693                pushContactToServer(contact);
3694            }
3695            if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
3696                deleteContactOnServer(contact);
3697            }
3698        }
3699    }
3700
3701    protected void unregisterPhoneAccounts(final Account account) {
3702        for (final Contact contact : account.getRoster().getContacts()) {
3703            if (!contact.showInRoster()) {
3704                contact.unregisterAsPhoneAccount(this);
3705            }
3706        }
3707    }
3708
3709    public void createContact(final Contact contact, final boolean autoGrant) {
3710        createContact(contact, autoGrant, null);
3711    }
3712
3713    public void createContact(final Contact contact, final boolean autoGrant, final String preAuth) {
3714        if (autoGrant) {
3715            contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
3716            contact.setOption(Contact.Options.ASKING);
3717        }
3718        pushContactToServer(contact, preAuth);
3719    }
3720
3721    public void pushContactToServer(final Contact contact) {
3722        pushContactToServer(contact, null);
3723    }
3724
3725    private void pushContactToServer(final Contact contact, final String preAuth) {
3726        contact.resetOption(Contact.Options.DIRTY_DELETE);
3727        contact.setOption(Contact.Options.DIRTY_PUSH);
3728        final Account account = contact.getAccount();
3729        if (account.getStatus() == Account.State.ONLINE) {
3730            final boolean ask = contact.getOption(Contact.Options.ASKING);
3731            final boolean sendUpdates = contact
3732                    .getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
3733                    && contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
3734            final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3735            iq.query(Namespace.ROSTER).addChild(contact.asElement());
3736            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3737            if (sendUpdates) {
3738                sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
3739            }
3740            if (ask) {
3741                sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact, preAuth));
3742            }
3743        } else {
3744            syncRoster(contact.getAccount());
3745        }
3746    }
3747
3748    public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
3749        new Thread(() -> {
3750            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3751            final int size = Config.AVATAR_SIZE;
3752            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3753            if (avatar != null) {
3754                if (!getFileBackend().save(avatar)) {
3755                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3756                    return;
3757                }
3758                avatar.owner = conversation.getJid().asBareJid();
3759                publishMucAvatar(conversation, avatar, callback);
3760            } else {
3761                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3762            }
3763        }).start();
3764    }
3765
3766    public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
3767        new Thread(() -> {
3768            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3769            final int size = Config.AVATAR_SIZE;
3770            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3771            if (avatar != null) {
3772                if (!getFileBackend().save(avatar)) {
3773                    Log.d(Config.LOGTAG, "unable to save vcard");
3774                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3775                    return;
3776                }
3777                publishAvatar(account, avatar, callback);
3778            } else {
3779                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3780            }
3781        }).start();
3782
3783    }
3784
3785    private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
3786        final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
3787        sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
3788            boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
3789            if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
3790                Element vcard = response.findChild("vCard", "vcard-temp");
3791                if (vcard == null) {
3792                    vcard = new Element("vCard", "vcard-temp");
3793                }
3794                Element photo = vcard.findChild("PHOTO");
3795                if (photo == null) {
3796                    photo = vcard.addChild("PHOTO");
3797                }
3798                photo.clearChildren();
3799                photo.addChild("TYPE").setContent(avatar.type);
3800                photo.addChild("BINVAL").setContent(avatar.image);
3801                IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3802                publication.setTo(conversation.getJid().asBareJid());
3803                publication.addChild(vcard);
3804                sendIqPacket(account, publication, (a1, publicationResponse) -> {
3805                    if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3806                        callback.onAvatarPublicationSucceeded();
3807                    } else {
3808                        Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3809                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3810                    }
3811                });
3812            } else {
3813                Log.d(Config.LOGTAG, "failed to request vcard " + response);
3814                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
3815            }
3816        });
3817    }
3818
3819    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
3820        final Bundle options;
3821        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
3822            options = PublishOptions.openAccess();
3823        } else {
3824            options = null;
3825        }
3826        publishAvatar(account, avatar, options, true, callback);
3827    }
3828
3829    public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3830        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": publishing avatar. options=" + options);
3831        IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
3832        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3833
3834            @Override
3835            public void onIqPacketReceived(Account account, IqPacket result) {
3836                if (result.getType() == IqPacket.TYPE.RESULT) {
3837                    publishAvatarMetadata(account, avatar, options, true, callback);
3838                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3839                    pushNodeConfiguration(account, Namespace.AVATAR_DATA, options, new OnConfigurationPushed() {
3840                        @Override
3841                        public void onPushSucceeded() {
3842                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar node");
3843                            publishAvatar(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 node");
3849                            publishAvatar(account, avatar, null, false, callback);
3850                        }
3851                    });
3852                } else {
3853                    Element error = result.findChild("error");
3854                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3855                    if (callback != null) {
3856                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3857                    }
3858                }
3859            }
3860        });
3861    }
3862
3863    public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3864        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3865        sendIqPacket(account, packet, new OnIqPacketReceived() {
3866            @Override
3867            public void onIqPacketReceived(Account account, IqPacket result) {
3868                if (result.getType() == IqPacket.TYPE.RESULT) {
3869                    if (account.setAvatar(avatar.getFilename())) {
3870                        getAvatarService().clear(account);
3871                        databaseBackend.updateAccount(account);
3872                        notifyAccountAvatarHasChanged(account);
3873                    }
3874                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3875                    if (callback != null) {
3876                        callback.onAvatarPublicationSucceeded();
3877                    }
3878                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3879                    pushNodeConfiguration(account, Namespace.AVATAR_METADATA, options, new OnConfigurationPushed() {
3880                        @Override
3881                        public void onPushSucceeded() {
3882                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar meta data node");
3883                            publishAvatarMetadata(account, avatar, options, false, callback);
3884                        }
3885
3886                        @Override
3887                        public void onPushFailed() {
3888                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar meta data node");
3889                            publishAvatarMetadata(account, avatar, null, false, callback);
3890                        }
3891                    });
3892                } else {
3893                    if (callback != null) {
3894                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3895                    }
3896                }
3897            }
3898        });
3899    }
3900
3901    public void republishAvatarIfNeeded(Account account) {
3902        if (account.getAxolotlService().isPepBroken()) {
3903            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3904            return;
3905        }
3906        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3907        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3908
3909            private Avatar parseAvatar(IqPacket packet) {
3910                Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3911                if (pubsub != null) {
3912                    Element items = pubsub.findChild("items");
3913                    if (items != null) {
3914                        return Avatar.parseMetadata(items);
3915                    }
3916                }
3917                return null;
3918            }
3919
3920            private boolean errorIsItemNotFound(IqPacket packet) {
3921                Element error = packet.findChild("error");
3922                return packet.getType() == IqPacket.TYPE.ERROR
3923                        && error != null
3924                        && error.hasChild("item-not-found");
3925            }
3926
3927            @Override
3928            public void onIqPacketReceived(Account account, IqPacket packet) {
3929                if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3930                    Avatar serverAvatar = parseAvatar(packet);
3931                    if (serverAvatar == null && account.getAvatar() != null) {
3932                        Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3933                        if (avatar != null) {
3934                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3935                            publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3936                        } else {
3937                            Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3938                        }
3939                    }
3940                }
3941            }
3942        });
3943    }
3944
3945    public void fetchAvatar(Account account, Avatar avatar) {
3946        fetchAvatar(account, avatar, null);
3947    }
3948
3949    public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3950        if (databaseBackend.isBlockedMedia(avatar.cid())) {
3951            if (callback != null) callback.error(0, null);
3952            return;
3953        }
3954
3955        final String KEY = generateFetchKey(account, avatar);
3956        synchronized (this.mInProgressAvatarFetches) {
3957            if (mInProgressAvatarFetches.add(KEY)) {
3958                switch (avatar.origin) {
3959                    case PEP:
3960                        this.mInProgressAvatarFetches.add(KEY);
3961                        fetchAvatarPep(account, avatar, callback);
3962                        break;
3963                    case VCARD:
3964                        this.mInProgressAvatarFetches.add(KEY);
3965                        fetchAvatarVcard(account, avatar, callback);
3966                        break;
3967                }
3968            } else if (avatar.origin == Avatar.Origin.PEP) {
3969                mOmittedPepAvatarFetches.add(KEY);
3970            } else {
3971                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": already fetching " + avatar.origin + " avatar for " + avatar.owner);
3972            }
3973        }
3974    }
3975
3976    private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3977        IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3978        sendIqPacket(account, packet, (a, result) -> {
3979            synchronized (mInProgressAvatarFetches) {
3980                mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3981            }
3982            final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3983            if (result.getType() == IqPacket.TYPE.RESULT) {
3984                avatar.image = mIqParser.avatarData(result);
3985                if (avatar.image != null) {
3986                    if (getFileBackend().save(avatar)) {
3987                        if (a.getJid().asBareJid().equals(avatar.owner)) {
3988                            if (a.setAvatar(avatar.getFilename())) {
3989                                databaseBackend.updateAccount(a);
3990                            }
3991                            getAvatarService().clear(a);
3992                            updateConversationUi();
3993                            updateAccountUi();
3994                        } else {
3995                            final Contact contact = a.getRoster().getContact(avatar.owner);
3996                            contact.setAvatar(avatar);
3997                            syncRoster(account);
3998                            getAvatarService().clear(contact);
3999                            updateConversationUi();
4000                            updateRosterUi();
4001                        }
4002                        if (callback != null) {
4003                            callback.success(avatar);
4004                        }
4005                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": successfully fetched pep avatar for " + avatar.owner);
4006                        return;
4007                    }
4008                } else {
4009
4010                    Log.d(Config.LOGTAG, ERROR + "(parsing error)");
4011                }
4012            } else {
4013                Element error = result.findChild("error");
4014                if (error == null) {
4015                    Log.d(Config.LOGTAG, ERROR + "(server error)");
4016                } else {
4017                    Log.d(Config.LOGTAG, ERROR + error.toString());
4018                }
4019            }
4020            if (callback != null) {
4021                callback.error(0, null);
4022            }
4023
4024        });
4025    }
4026
4027    private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
4028        IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
4029        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
4030            @Override
4031            public void onIqPacketReceived(Account account, IqPacket packet) {
4032                final boolean previouslyOmittedPepFetch;
4033                synchronized (mInProgressAvatarFetches) {
4034                    final String KEY = generateFetchKey(account, avatar);
4035                    mInProgressAvatarFetches.remove(KEY);
4036                    previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
4037                }
4038                if (packet.getType() == IqPacket.TYPE.RESULT) {
4039                    Element vCard = packet.findChild("vCard", "vcard-temp");
4040                    Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
4041                    String image = photo != null ? photo.findChildContent("BINVAL") : null;
4042                    if (image != null) {
4043                        avatar.image = image;
4044                        if (getFileBackend().save(avatar)) {
4045                            Log.d(Config.LOGTAG, account.getJid().asBareJid()
4046                                    + ": successfully fetched vCard avatar for " + avatar.owner + " omittedPep=" + previouslyOmittedPepFetch);
4047                            if (avatar.owner.isBareJid()) {
4048                                if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
4049                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
4050                                    account.setAvatar(avatar.getFilename());
4051                                    databaseBackend.updateAccount(account);
4052                                    getAvatarService().clear(account);
4053                                    updateAccountUi();
4054                                } else {
4055                                    final Contact contact = account.getRoster().getContact(avatar.owner);
4056                                    contact.setAvatar(avatar, previouslyOmittedPepFetch);
4057                                    syncRoster(account);
4058                                    getAvatarService().clear(contact);
4059                                    updateRosterUi();
4060                                }
4061                                updateConversationUi();
4062                            } else {
4063                                Conversation conversation = find(account, avatar.owner.asBareJid());
4064                                if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
4065                                    MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
4066                                    if (user != null) {
4067                                        if (user.setAvatar(avatar)) {
4068                                            getAvatarService().clear(user);
4069                                            updateConversationUi();
4070                                            updateMucRosterUi();
4071                                        }
4072                                        if (user.getRealJid() != null) {
4073                                            Contact contact = account.getRoster().getContact(user.getRealJid());
4074                                            contact.setAvatar(avatar);
4075                                            syncRoster(account);
4076                                            getAvatarService().clear(contact);
4077                                            updateRosterUi();
4078                                        }
4079                                    }
4080                                }
4081                            }
4082                        }
4083                    }
4084                }
4085            }
4086        });
4087    }
4088
4089    public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
4090        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
4091        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
4092
4093            @Override
4094            public void onIqPacketReceived(Account account, IqPacket packet) {
4095                if (packet.getType() == IqPacket.TYPE.RESULT) {
4096                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
4097                    if (pubsub != null) {
4098                        Element items = pubsub.findChild("items");
4099                        if (items != null) {
4100                            Avatar avatar = Avatar.parseMetadata(items);
4101                            if (avatar != null) {
4102                                avatar.owner = account.getJid().asBareJid();
4103                                if (fileBackend.isAvatarCached(avatar)) {
4104                                    if (account.setAvatar(avatar.getFilename())) {
4105                                        databaseBackend.updateAccount(account);
4106                                    }
4107                                    getAvatarService().clear(account);
4108                                    callback.success(avatar);
4109                                } else {
4110                                    fetchAvatarPep(account, avatar, callback);
4111                                }
4112                                return;
4113                            }
4114                        }
4115                    }
4116                }
4117                callback.error(0, null);
4118            }
4119        });
4120    }
4121
4122    public void notifyAccountAvatarHasChanged(final Account account) {
4123        final XmppConnection connection = account.getXmppConnection();
4124        if (connection != null && connection.getFeatures().bookmarksConversion()) {
4125            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar changed. resending presence to online group chats");
4126            for (Conversation conversation : conversations) {
4127                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
4128                    final MucOptions mucOptions = conversation.getMucOptions();
4129                    if (mucOptions.online()) {
4130                        PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
4131                        packet.setTo(mucOptions.getSelf().getFullJid());
4132                        connection.sendPresencePacket(packet);
4133                    }
4134                }
4135            }
4136        }
4137    }
4138
4139    public void deleteContactOnServer(Contact contact) {
4140        contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
4141        contact.resetOption(Contact.Options.DIRTY_PUSH);
4142        contact.setOption(Contact.Options.DIRTY_DELETE);
4143        Account account = contact.getAccount();
4144        if (account.getStatus() == Account.State.ONLINE) {
4145            IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
4146            Element item = iq.query(Namespace.ROSTER).addChild("item");
4147            item.setAttribute("jid", contact.getJid());
4148            item.setAttribute("subscription", "remove");
4149            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
4150        }
4151    }
4152
4153    public void updateConversation(final Conversation conversation) {
4154        mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
4155    }
4156
4157    private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
4158        synchronized (account) {
4159            XmppConnection connection = account.getXmppConnection();
4160            if (connection == null) {
4161                connection = createConnection(account);
4162                account.setXmppConnection(connection);
4163            }
4164            boolean hasInternet = hasInternetConnection();
4165            if (account.isEnabled() && hasInternet) {
4166                if (!force) {
4167                    disconnect(account, false);
4168                }
4169                Thread thread = new Thread(connection);
4170                connection.setInteractive(interactive);
4171                connection.prepareNewConnection();
4172                connection.interrupt();
4173                thread.start();
4174                scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
4175            } else {
4176                disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
4177                account.getRoster().clearPresences();
4178                connection.resetEverything();
4179                final AxolotlService axolotlService = account.getAxolotlService();
4180                if (axolotlService != null) {
4181                    axolotlService.resetBrokenness();
4182                }
4183                if (!hasInternet) {
4184                    account.setStatus(Account.State.NO_INTERNET);
4185                }
4186            }
4187        }
4188    }
4189
4190    public void reconnectAccountInBackground(final Account account) {
4191        new Thread(() -> reconnectAccount(account, false, true)).start();
4192    }
4193
4194    public void invite(final Conversation conversation, final Jid contact) {
4195        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
4196        final MucOptions.User user = conversation.getMucOptions().findUserByRealJid(contact.asBareJid());
4197        if (user == null || user.getAffiliation() == MucOptions.Affiliation.OUTCAST) {
4198            changeAffiliationInConference(conversation, contact, MucOptions.Affiliation.NONE, null);
4199        }
4200        final MessagePacket packet = mMessageGenerator.invite(conversation, contact);
4201        sendMessagePacket(conversation.getAccount(), packet);
4202    }
4203
4204    public void directInvite(Conversation conversation, Jid jid) {
4205        MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
4206        sendMessagePacket(conversation.getAccount(), packet);
4207    }
4208
4209    public void resetSendingToWaiting(Account account) {
4210        for (Conversation conversation : getConversations()) {
4211            if (conversation.getAccount() == account) {
4212                conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
4213            }
4214        }
4215    }
4216
4217    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
4218        return markMessage(account, recipient, uuid, status, null);
4219    }
4220
4221    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
4222        if (uuid == null) {
4223            return null;
4224        }
4225        for (Conversation conversation : getConversations()) {
4226            if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
4227                final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
4228                if (message != null) {
4229                    markMessage(message, status, errorMessage);
4230                }
4231                return message;
4232            }
4233        }
4234        return null;
4235    }
4236
4237    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId) {
4238        return markMessage(conversation, uuid, status, serverMessageId, null);
4239    }
4240
4241    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId, final LocalizedContent body) {
4242        if (uuid == null) {
4243            return false;
4244        } else {
4245            final Message message = conversation.findSentMessageWithUuid(uuid);
4246            if (message != null) {
4247                if (message.getServerMsgId() == null) {
4248                    message.setServerMsgId(serverMessageId);
4249                }
4250                if (message.getEncryption() == Message.ENCRYPTION_NONE
4251                        && message.isTypeText()
4252                        && isBodyModified(message, body)) {
4253                    message.setBody(body.content);
4254                    if (body.count > 1) {
4255                        message.setBodyLanguage(body.language);
4256                    }
4257                    markMessage(message, status, null, true);
4258                } else {
4259                    markMessage(message, status);
4260                }
4261                return true;
4262            } else {
4263                return false;
4264            }
4265        }
4266    }
4267
4268    private static boolean isBodyModified(final Message message, final LocalizedContent body) {
4269        if (body == null || body.content == null) {
4270            return false;
4271        }
4272        return !body.content.equals(message.getBody());
4273    }
4274
4275    public void markMessage(Message message, int status) {
4276        markMessage(message, status, null);
4277    }
4278
4279
4280    public void markMessage(final Message message, final int status, final String errorMessage) {
4281        markMessage(message, status, errorMessage, false);
4282    }
4283
4284    public void markMessage(final Message message, final int status, final String errorMessage, final boolean includeBody) {
4285        final int oldStatus = message.getStatus();
4286        if (status == Message.STATUS_SEND_FAILED && (oldStatus == Message.STATUS_SEND_RECEIVED || oldStatus == Message.STATUS_SEND_DISPLAYED)) {
4287            return;
4288        }
4289        if (status == Message.STATUS_SEND_RECEIVED && oldStatus == Message.STATUS_SEND_DISPLAYED) {
4290            return;
4291        }
4292        message.setErrorMessage(errorMessage);
4293        message.setStatus(status);
4294        databaseBackend.updateMessage(message, includeBody);
4295        updateConversationUi();
4296        if (oldStatus != status && status == Message.STATUS_SEND_FAILED) {
4297            mNotificationService.pushFailedDelivery(message);
4298        }
4299    }
4300
4301    public SharedPreferences getPreferences() {
4302        return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
4303    }
4304
4305    public long getAutomaticMessageDeletionDate() {
4306        final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
4307        return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
4308    }
4309
4310    public long getLongPreference(String name, @IntegerRes int res) {
4311        long defaultValue = getResources().getInteger(res);
4312        try {
4313            return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
4314        } catch (NumberFormatException e) {
4315            return defaultValue;
4316        }
4317    }
4318
4319    public boolean getBooleanPreference(String name, @BoolRes int res) {
4320        return getPreferences().getBoolean(name, getResources().getBoolean(res));
4321    }
4322
4323    public boolean confirmMessages() {
4324        return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
4325    }
4326
4327    public boolean allowMessageCorrection() {
4328        return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
4329    }
4330
4331    public boolean sendChatStates() {
4332        return getBooleanPreference("chat_states", R.bool.chat_states);
4333    }
4334
4335    private boolean synchronizeWithBookmarks() {
4336        return getBooleanPreference("autojoin", R.bool.autojoin);
4337    }
4338
4339    public boolean useTorToConnect() {
4340        return getBooleanPreference("use_tor", R.bool.use_tor);
4341    }
4342
4343    public boolean showExtendedConnectionOptions() {
4344        return getBooleanPreference("show_connection_options", R.bool.show_connection_options);
4345    }
4346
4347    public boolean broadcastLastActivity() {
4348        return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
4349    }
4350
4351    public int unreadCount() {
4352        int count = 0;
4353        for (Conversation conversation : getConversations()) {
4354            count += conversation.unreadCount();
4355        }
4356        return count;
4357    }
4358
4359
4360    private <T> List<T> threadSafeList(Set<T> set) {
4361        synchronized (LISTENER_LOCK) {
4362            return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
4363        }
4364    }
4365
4366    public void showErrorToastInUi(int resId) {
4367        for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
4368            listener.onShowErrorToast(resId);
4369        }
4370    }
4371
4372    public void updateConversationUi() {
4373        updateConversationUi(false);
4374    }
4375
4376    public void updateConversationUi(boolean newCaps) {
4377        for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
4378            listener.onConversationUpdate(newCaps);
4379        }
4380    }
4381
4382    public void notifyJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state) {
4383        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4384            listener.onJingleRtpConnectionUpdate(account, with, sessionId, state);
4385        }
4386    }
4387
4388    public void notifyJingleRtpConnectionUpdate(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices) {
4389        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4390            listener.onAudioDeviceChanged(selectedAudioDevice, availableAudioDevices);
4391        }
4392    }
4393
4394    public void updateAccountUi() {
4395        for (final OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
4396            listener.onAccountUpdate();
4397        }
4398    }
4399
4400    public void updateRosterUi() {
4401        for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
4402            listener.onRosterUpdate();
4403        }
4404    }
4405
4406    public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
4407        if (mOnCaptchaRequested.size() > 0) {
4408            DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
4409            Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
4410                    (int) (captcha.getHeight() * metrics.scaledDensity), false);
4411            for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
4412                listener.onCaptchaRequested(account, id, data, scaled);
4413            }
4414            return true;
4415        }
4416        return false;
4417    }
4418
4419    public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
4420        for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
4421            listener.OnUpdateBlocklist(status);
4422        }
4423    }
4424
4425    public void updateMucRosterUi() {
4426        for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
4427            listener.onMucRosterUpdate();
4428        }
4429    }
4430
4431    public void keyStatusUpdated(AxolotlService.FetchStatus report) {
4432        for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
4433            listener.onKeyStatusUpdated(report);
4434        }
4435    }
4436
4437    public Account findAccountByJid(final Jid jid) {
4438        for (final Account account : this.accounts) {
4439            if (account.getJid().asBareJid().equals(jid.asBareJid())) {
4440                return account;
4441            }
4442        }
4443        return null;
4444    }
4445
4446    public Account findAccountByUuid(final String uuid) {
4447        for (Account account : this.accounts) {
4448            if (account.getUuid().equals(uuid)) {
4449                return account;
4450            }
4451        }
4452        return null;
4453    }
4454
4455    public Conversation findConversationByUuid(String uuid) {
4456        for (Conversation conversation : getConversations()) {
4457            if (conversation.getUuid().equals(uuid)) {
4458                return conversation;
4459            }
4460        }
4461        return null;
4462    }
4463
4464    public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
4465        List<Conversation> findings = new ArrayList<>();
4466        for (Conversation c : getConversations()) {
4467            if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid().asBareJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
4468                findings.add(c);
4469            }
4470        }
4471        return findings.size() == 1 ? findings.get(0) : null;
4472    }
4473
4474    public boolean markRead(final Conversation conversation, boolean dismiss) {
4475        return markRead(conversation, null, dismiss).size() > 0;
4476    }
4477
4478    public void markRead(final Conversation conversation) {
4479        markRead(conversation, null, true);
4480    }
4481
4482    public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
4483        if (dismiss) {
4484            mNotificationService.clear(conversation);
4485        }
4486        final List<Message> readMessages = conversation.markRead(upToUuid);
4487        if (readMessages.size() > 0) {
4488            Runnable runnable = () -> {
4489                for (Message message : readMessages) {
4490                    databaseBackend.updateMessage(message, false);
4491                }
4492            };
4493            mDatabaseWriterExecutor.execute(runnable);
4494            updateConversationUi();
4495            updateUnreadCountBadge();
4496            return readMessages;
4497        } else {
4498            return readMessages;
4499        }
4500    }
4501
4502    public synchronized void updateUnreadCountBadge() {
4503        int count = unreadCount();
4504        if (unreadCount != count) {
4505            Log.d(Config.LOGTAG, "update unread count to " + count);
4506            if (count > 0) {
4507                ShortcutBadger.applyCount(getApplicationContext(), count);
4508            } else {
4509                ShortcutBadger.removeCount(getApplicationContext());
4510            }
4511            unreadCount = count;
4512        }
4513    }
4514
4515    public void sendReadMarker(final Conversation conversation, String upToUuid) {
4516        final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
4517        final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
4518        if (readMessages.size() > 0) {
4519            updateConversationUi();
4520        }
4521        final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
4522        if (confirmMessages()
4523                && markable != null
4524                && (markable.trusted() || isPrivateAndNonAnonymousMuc)
4525                && markable.getRemoteMsgId() != null) {
4526            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
4527            final Account account = conversation.getAccount();
4528            final MessagePacket packet = mMessageGenerator.confirm(markable);
4529            this.sendMessagePacket(account, packet);
4530        }
4531    }
4532
4533    public MemorizingTrustManager getMemorizingTrustManager() {
4534        return this.mMemorizingTrustManager;
4535    }
4536
4537    public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
4538        this.mMemorizingTrustManager = trustManager;
4539    }
4540
4541    public void updateMemorizingTrustmanager() {
4542        final MemorizingTrustManager tm;
4543        final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
4544        if (dontTrustSystemCAs) {
4545            tm = new MemorizingTrustManager(getApplicationContext(), null);
4546        } else {
4547            tm = new MemorizingTrustManager(getApplicationContext());
4548        }
4549        setMemorizingTrustManager(tm);
4550    }
4551
4552    public LruCache<String, Bitmap> getBitmapCache() {
4553        return this.mBitmapCache;
4554    }
4555
4556    public LruCache<String, Drawable> getDrawableCache() {
4557        return this.mDrawableCache;
4558    }
4559
4560    public Collection<String> getKnownHosts() {
4561        final Set<String> hosts = new HashSet<>();
4562        for (final Account account : getAccounts()) {
4563            hosts.add(account.getServer());
4564            for (final Contact contact : account.getRoster().getContacts()) {
4565                if (contact.showInRoster()) {
4566                    final String server = contact.getServer();
4567                    if (server != null) {
4568                        hosts.add(server);
4569                    }
4570                }
4571            }
4572        }
4573        if (Config.QUICKSY_DOMAIN != null) {
4574            hosts.remove(Config.QUICKSY_DOMAIN.toEscapedString()); //we only want to show this when we type a e164 number
4575        }
4576        if (Config.DOMAIN_LOCK != null) {
4577            hosts.add(Config.DOMAIN_LOCK);
4578        }
4579        if (Config.MAGIC_CREATE_DOMAIN != null) {
4580            hosts.add(Config.MAGIC_CREATE_DOMAIN);
4581        }
4582        return hosts;
4583    }
4584
4585    public Collection<String> getKnownConferenceHosts() {
4586        final Set<String> mucServers = new HashSet<>();
4587        for (final Account account : accounts) {
4588            if (account.getXmppConnection() != null) {
4589                mucServers.addAll(account.getXmppConnection().getMucServers());
4590                for (final Bookmark bookmark : account.getBookmarks()) {
4591                    final Jid jid = bookmark.getJid();
4592                    final String s = jid == null ? null : jid.getDomain().toEscapedString();
4593                    if (s != null) {
4594                        mucServers.add(s);
4595                    }
4596                }
4597            }
4598        }
4599        return mucServers;
4600    }
4601
4602    public void sendMessagePacket(Account account, MessagePacket packet) {
4603        final XmppConnection connection = account.getXmppConnection();
4604        if (connection != null) {
4605            connection.sendMessagePacket(packet);
4606        }
4607    }
4608
4609    public void sendPresencePacket(Account account, PresencePacket packet) {
4610        XmppConnection connection = account.getXmppConnection();
4611        if (connection != null) {
4612            connection.sendPresencePacket(packet);
4613        }
4614    }
4615
4616    public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4617        final XmppConnection connection = account.getXmppConnection();
4618        if (connection != null) {
4619            IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4620            connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4621        }
4622    }
4623
4624    public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4625        final XmppConnection connection = account.getXmppConnection();
4626        if (connection != null) {
4627            connection.sendIqPacket(packet, callback);
4628        } else if (callback != null) {
4629            callback.onIqPacketReceived(account, new IqPacket(IqPacket.TYPE.TIMEOUT));
4630        }
4631    }
4632
4633    public void sendPresence(final Account account) {
4634        sendPresence(account, checkListeners() && broadcastLastActivity());
4635    }
4636
4637    private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4638        final Presence.Status status;
4639        if (manuallyChangePresence()) {
4640            status = account.getPresenceStatus();
4641        } else {
4642            status = getTargetPresence();
4643        }
4644        final PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
4645        if (mLastActivity > 0 && includeIdleTimestamp) {
4646            long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
4647            packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
4648        }
4649        sendPresencePacket(account, packet);
4650    }
4651
4652    private void deactivateGracePeriod() {
4653        for (Account account : getAccounts()) {
4654            account.deactivateGracePeriod();
4655        }
4656    }
4657
4658    public void refreshAllPresences() {
4659        boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
4660        for (Account account : getAccounts()) {
4661            if (account.isEnabled()) {
4662                sendPresence(account, includeIdleTimestamp);
4663            }
4664        }
4665    }
4666
4667    private void refreshAllFcmTokens() {
4668        for (Account account : getAccounts()) {
4669            if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
4670                mPushManagementService.registerPushTokenOnServer(account);
4671            }
4672        }
4673    }
4674
4675
4676
4677    private void sendOfflinePresence(final Account account) {
4678        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
4679        sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
4680    }
4681
4682    public MessageGenerator getMessageGenerator() {
4683        return this.mMessageGenerator;
4684    }
4685
4686    public PresenceGenerator getPresenceGenerator() {
4687        return this.mPresenceGenerator;
4688    }
4689
4690    public IqGenerator getIqGenerator() {
4691        return this.mIqGenerator;
4692    }
4693
4694    public IqParser getIqParser() {
4695        return this.mIqParser;
4696    }
4697
4698    public JingleConnectionManager getJingleConnectionManager() {
4699        return this.mJingleConnectionManager;
4700    }
4701
4702    public MessageArchiveService getMessageArchiveService() {
4703        return this.mMessageArchiveService;
4704    }
4705
4706    public QuickConversationsService getQuickConversationsService() {
4707        return this.mQuickConversationsService;
4708    }
4709
4710    public List<Contact> findContacts(Jid jid, String accountJid) {
4711        ArrayList<Contact> contacts = new ArrayList<>();
4712        for (Account account : getAccounts()) {
4713            if ((account.isEnabled() || accountJid != null)
4714                    && (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
4715                Contact contact = account.getRoster().getContactFromContactList(jid);
4716                if (contact != null) {
4717                    contacts.add(contact);
4718                }
4719            }
4720        }
4721        return contacts;
4722    }
4723
4724    public Conversation findFirstMuc(Jid jid) {
4725        for (Conversation conversation : getConversations()) {
4726            if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
4727                return conversation;
4728            }
4729        }
4730        return null;
4731    }
4732
4733    public NotificationService getNotificationService() {
4734        return this.mNotificationService;
4735    }
4736
4737    public HttpConnectionManager getHttpConnectionManager() {
4738        return this.mHttpConnectionManager;
4739    }
4740
4741    public void resendFailedMessages(final Message message) {
4742        final Collection<Message> messages = new ArrayList<>();
4743        Message current = message;
4744        while (current.getStatus() == Message.STATUS_SEND_FAILED) {
4745            messages.add(current);
4746            if (current.mergeable(current.next())) {
4747                current = current.next();
4748            } else {
4749                break;
4750            }
4751        }
4752        for (final Message msg : messages) {
4753            msg.setTime(System.currentTimeMillis());
4754            markMessage(msg, Message.STATUS_WAITING);
4755            this.resendMessage(msg, false);
4756        }
4757        if (message.getConversation() instanceof Conversation) {
4758            ((Conversation) message.getConversation()).sort();
4759        }
4760        updateConversationUi();
4761    }
4762
4763    public void clearConversationHistory(final Conversation conversation) {
4764        final long clearDate;
4765        final String reference;
4766        if (conversation.countMessages() > 0) {
4767            Message latestMessage = conversation.getLatestMessage();
4768            clearDate = latestMessage.getTimeSent() + 1000;
4769            reference = latestMessage.getServerMsgId();
4770        } else {
4771            clearDate = System.currentTimeMillis();
4772            reference = null;
4773        }
4774        conversation.clearMessages();
4775        conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
4776        conversation.setLastClearHistory(clearDate, reference);
4777        Runnable runnable = () -> {
4778            databaseBackend.deleteMessagesInConversation(conversation);
4779            databaseBackend.updateConversation(conversation);
4780        };
4781        mDatabaseWriterExecutor.execute(runnable);
4782    }
4783
4784    public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
4785        if (blockable != null && blockable.getBlockedJid() != null) {
4786            final Jid jid = blockable.getBlockedJid();
4787            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), (a, response) -> {
4788                if (response.getType() == IqPacket.TYPE.RESULT) {
4789                    a.getBlocklist().add(jid);
4790                    updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
4791                }
4792            });
4793            if (blockable.getBlockedJid().isFullJid()) {
4794                return false;
4795            } else if (removeBlockedConversations(blockable.getAccount(), jid)) {
4796                updateConversationUi();
4797                return true;
4798            } else {
4799                return false;
4800            }
4801        } else {
4802            return false;
4803        }
4804    }
4805
4806    public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
4807        boolean removed = false;
4808        synchronized (this.conversations) {
4809            boolean domainJid = blockedJid.getLocal() == null;
4810            for (Conversation conversation : this.conversations) {
4811                boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
4812                        || blockedJid.equals(conversation.getJid().asBareJid());
4813                if (conversation.getAccount() == account
4814                        && conversation.getMode() == Conversation.MODE_SINGLE
4815                        && jidMatches) {
4816                    this.conversations.remove(conversation);
4817                    markRead(conversation);
4818                    conversation.setStatus(Conversation.STATUS_ARCHIVED);
4819                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
4820                    updateConversation(conversation);
4821                    removed = true;
4822                }
4823            }
4824        }
4825        return removed;
4826    }
4827
4828    public void sendUnblockRequest(final Blockable blockable) {
4829        if (blockable != null && blockable.getJid() != null) {
4830            final Jid jid = blockable.getBlockedJid();
4831            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
4832                @Override
4833                public void onIqPacketReceived(final Account account, final IqPacket packet) {
4834                    if (packet.getType() == IqPacket.TYPE.RESULT) {
4835                        account.getBlocklist().remove(jid);
4836                        updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
4837                    }
4838                }
4839            });
4840        }
4841    }
4842
4843    public void publishDisplayName(Account account) {
4844        String displayName = account.getDisplayName();
4845        final IqPacket request;
4846        if (TextUtils.isEmpty(displayName)) {
4847            request = mIqGenerator.deleteNode(Namespace.NICK);
4848        } else {
4849            request = mIqGenerator.publishNick(displayName);
4850        }
4851        mAvatarService.clear(account);
4852        sendIqPacket(account, request, (account1, packet) -> {
4853            if (packet.getType() == IqPacket.TYPE.ERROR) {
4854                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name " + packet);
4855            }
4856        });
4857    }
4858
4859    public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
4860        ServiceDiscoveryResult result = discoCache.get(key);
4861        if (result != null) {
4862            return result;
4863        } else {
4864            if (key.first == null || key.second == null) return null;
4865            result = databaseBackend.findDiscoveryResult(key.first, key.second);
4866            if (result != null) {
4867                discoCache.put(key, result);
4868            }
4869            return result;
4870        }
4871    }
4872
4873    public void fetchFromGateway(Account account, final Jid jid, final String input, final OnGatewayResult callback) {
4874        IqPacket request = new IqPacket(input == null ? IqPacket.TYPE.GET : IqPacket.TYPE.SET);
4875        request.setTo(jid);
4876        Element query = request.query("jabber:iq:gateway");
4877        if (input != null) {
4878            Element prompt = query.addChild("prompt");
4879            prompt.setContent(input);
4880        }
4881        sendIqPacket(account, request, (Account acct, IqPacket packet) -> {
4882            if (packet.getType() == IqPacket.TYPE.RESULT) {
4883                callback.onGatewayResult(packet.query().findChildContent(input == null ? "prompt" : "jid"), null);
4884            } else {
4885                Element error = packet.findChild("error");
4886                callback.onGatewayResult(null, error == null ? null : error.findChildContent("text"));
4887            }
4888        });
4889    }
4890
4891    public void fetchCaps(Account account, final Jid jid, final Presence presence) {
4892        fetchCaps(account, jid, presence, null);
4893    }
4894
4895    public void fetchCaps(Account account, final Jid jid, final Presence presence, Runnable cb) {
4896        final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
4897        final ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
4898
4899        if (disco != null) {
4900            presence.setServiceDiscoveryResult(disco);
4901            final Contact contact = account.getRoster().getContact(jid);
4902            if (contact.refreshRtpCapability()) {
4903                syncRoster(account);
4904            }
4905            if (disco.hasIdentity("gateway", "pstn")) {
4906                contact.registerAsPhoneAccount(this);
4907                mQuickConversationsService.considerSyncBackground(false);
4908            }
4909            updateConversationUi(true);
4910        } else {
4911            final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4912            request.setTo(jid);
4913            final String node = presence.getNode();
4914            final String ver = presence.getVer();
4915            final Element query = request.query(Namespace.DISCO_INFO);
4916            if (node != null && ver != null) {
4917                query.setAttribute("node", node + "#" + ver);
4918            }
4919            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
4920            sendIqPacket(account, request, (a, response) -> {
4921                if (response.getType() == IqPacket.TYPE.RESULT) {
4922                    final ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
4923                    if (presence.getVer() == null || presence.getVer().equals(discoveryResult.getVer())) {
4924                        databaseBackend.insertDiscoveryResult(discoveryResult);
4925                        injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), jid.getResource(), discoveryResult);
4926                        if (discoveryResult.hasIdentity("gateway", "pstn")) {
4927                            final Contact contact = account.getRoster().getContact(jid);
4928                            contact.registerAsPhoneAccount(this);
4929                            mQuickConversationsService.considerSyncBackground(false);
4930                        }
4931                        updateConversationUi(true);
4932                        if (cb != null) cb.run();
4933                    } else {
4934                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
4935                    }
4936                } else {
4937                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to fetch caps from " + jid);
4938                }
4939            });
4940        }
4941    }
4942
4943    public void fetchCommands(Account account, final Jid jid, OnIqPacketReceived callback) {
4944        final IqPacket request = mIqGenerator.queryDiscoItems(jid, "http://jabber.org/protocol/commands");
4945        sendIqPacket(account, request, callback);
4946    }
4947
4948    private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, String resource, ServiceDiscoveryResult disco) {
4949        boolean rosterNeedsSync = false;
4950        for (final Contact contact : roster.getContacts()) {
4951            boolean serviceDiscoverySet = false;
4952            Presence onePresence = contact.getPresences().get(resource == null ? "" : resource);
4953            if (onePresence != null) {
4954                onePresence.setServiceDiscoveryResult(disco);
4955                serviceDiscoverySet = true;
4956            }
4957            if (hash != null && ver != null) {
4958                for (final Presence presence : contact.getPresences().getPresences()) {
4959                    if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
4960                        presence.setServiceDiscoveryResult(disco);
4961                        serviceDiscoverySet = true;
4962                    }
4963                }
4964            }
4965            if (serviceDiscoverySet) {
4966                rosterNeedsSync |= contact.refreshRtpCapability();
4967            }
4968        }
4969        if (rosterNeedsSync) {
4970            syncRoster(roster.getAccount());
4971        }
4972    }
4973
4974    public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
4975        final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
4976        IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4977        request.addChild("prefs", version.namespace);
4978        sendIqPacket(account, request, (account1, packet) -> {
4979            Element prefs = packet.findChild("prefs", version.namespace);
4980            if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
4981                callback.onPreferencesFetched(prefs);
4982            } else {
4983                callback.onPreferencesFetchFailed();
4984            }
4985        });
4986    }
4987
4988    public PushManagementService getPushManagementService() {
4989        return mPushManagementService;
4990    }
4991
4992    public void changeStatus(Account account, PresenceTemplate template, String signature) {
4993        if (!template.getStatusMessage().isEmpty()) {
4994            databaseBackend.insertPresenceTemplate(template);
4995        }
4996        account.setPgpSignature(signature);
4997        account.setPresenceStatus(template.getStatus());
4998        account.setPresenceStatusMessage(template.getStatusMessage());
4999        databaseBackend.updateAccount(account);
5000        sendPresence(account);
5001    }
5002
5003    public List<PresenceTemplate> getPresenceTemplates(Account account) {
5004        List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
5005        for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
5006            if (!templates.contains(template)) {
5007                templates.add(0, template);
5008            }
5009        }
5010        return templates;
5011    }
5012
5013    public void saveConversationAsBookmark(Conversation conversation, String name) {
5014        final Account account = conversation.getAccount();
5015        final Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
5016        final String nick = conversation.getJid().getResource();
5017        if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
5018            bookmark.setNick(nick);
5019        }
5020        if (!TextUtils.isEmpty(name)) {
5021            bookmark.setBookmarkName(name);
5022        }
5023        bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
5024        createBookmark(account, bookmark);
5025        bookmark.setConversation(conversation);
5026    }
5027
5028    public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
5029        boolean performedVerification = false;
5030        final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
5031        for (XmppUri.Fingerprint fp : fingerprints) {
5032            if (fp.type == XmppUri.FingerprintType.OMEMO) {
5033                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
5034                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
5035                if (fingerprintStatus != null) {
5036                    if (!fingerprintStatus.isVerified()) {
5037                        performedVerification = true;
5038                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
5039                    }
5040                } else {
5041                    axolotlService.preVerifyFingerprint(contact, fingerprint);
5042                }
5043            }
5044        }
5045        return performedVerification;
5046    }
5047
5048    public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
5049        final AxolotlService axolotlService = account.getAxolotlService();
5050        boolean verifiedSomething = false;
5051        for (XmppUri.Fingerprint fp : fingerprints) {
5052            if (fp.type == XmppUri.FingerprintType.OMEMO) {
5053                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
5054                Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
5055                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
5056                if (fingerprintStatus != null) {
5057                    if (!fingerprintStatus.isVerified()) {
5058                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
5059                        verifiedSomething = true;
5060                    }
5061                } else {
5062                    axolotlService.preVerifyFingerprint(account, fingerprint);
5063                    verifiedSomething = true;
5064                }
5065            }
5066        }
5067        return verifiedSomething;
5068    }
5069
5070    public boolean blindTrustBeforeVerification() {
5071        return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
5072    }
5073
5074    public ShortcutService getShortcutService() {
5075        return mShortcutService;
5076    }
5077
5078    public void pushMamPreferences(Account account, Element prefs) {
5079        IqPacket set = new IqPacket(IqPacket.TYPE.SET);
5080        set.addChild(prefs);
5081        sendIqPacket(account, set, null);
5082    }
5083
5084    public void evictPreview(File f) {
5085        if (mBitmapCache.remove(f.getAbsolutePath()) != null) {
5086            Log.d(Config.LOGTAG, "deleted cached preview");
5087        }
5088        if (mDrawableCache.remove(f.getAbsolutePath()) != null) {
5089            Log.d(Config.LOGTAG, "deleted cached preview");
5090        }
5091    }
5092
5093    public void evictPreview(String uuid) {
5094        if (mBitmapCache.remove(uuid) != null) {
5095            Log.d(Config.LOGTAG, "deleted cached preview");
5096        }
5097        if (mDrawableCache.remove(uuid) != null) {
5098            Log.d(Config.LOGTAG, "deleted cached preview");
5099        }
5100    }
5101
5102    public interface OnMamPreferencesFetched {
5103        void onPreferencesFetched(Element prefs);
5104
5105        void onPreferencesFetchFailed();
5106    }
5107
5108    public interface OnAccountCreated {
5109        void onAccountCreated(Account account);
5110
5111        void informUser(int r);
5112    }
5113
5114    public interface OnMoreMessagesLoaded {
5115        void onMoreMessagesLoaded(int count, Conversation conversation);
5116
5117        void informUser(int r);
5118    }
5119
5120    public interface OnAccountPasswordChanged {
5121        void onPasswordChangeSucceeded();
5122
5123        void onPasswordChangeFailed();
5124    }
5125
5126    public interface OnRoomDestroy {
5127        void onRoomDestroySucceeded();
5128
5129        void onRoomDestroyFailed();
5130    }
5131
5132    public interface OnAffiliationChanged {
5133        void onAffiliationChangedSuccessful(Jid jid);
5134
5135        void onAffiliationChangeFailed(Jid jid, int resId);
5136    }
5137
5138    public interface OnConversationUpdate {
5139        default void onConversationUpdate() { onConversationUpdate(false); }
5140        default void onConversationUpdate(boolean newCaps) { onConversationUpdate(); }
5141    }
5142
5143    public interface OnJingleRtpConnectionUpdate {
5144        void onJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state);
5145
5146        void onAudioDeviceChanged(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices);
5147    }
5148
5149    public interface OnAccountUpdate {
5150        void onAccountUpdate();
5151    }
5152
5153    public interface OnCaptchaRequested {
5154        void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
5155    }
5156
5157    public interface OnRosterUpdate {
5158        void onRosterUpdate();
5159    }
5160
5161    public interface OnMucRosterUpdate {
5162        void onMucRosterUpdate();
5163    }
5164
5165    public interface OnConferenceConfigurationFetched {
5166        void onConferenceConfigurationFetched(Conversation conversation);
5167
5168        void onFetchFailed(Conversation conversation, String errorCondition);
5169    }
5170
5171    public interface OnConferenceJoined {
5172        void onConferenceJoined(Conversation conversation);
5173    }
5174
5175    public interface OnConfigurationPushed {
5176        void onPushSucceeded();
5177
5178        void onPushFailed();
5179    }
5180
5181    public interface OnShowErrorToast {
5182        void onShowErrorToast(int resId);
5183    }
5184
5185    public class XmppConnectionBinder extends Binder {
5186        public XmppConnectionService getService() {
5187            return XmppConnectionService.this;
5188        }
5189    }
5190
5191    private class InternalEventReceiver extends BroadcastReceiver {
5192
5193        @Override
5194        public void onReceive(Context context, Intent intent) {
5195            onStartCommand(intent, 0, 0);
5196        }
5197    }
5198
5199    public static class OngoingCall {
5200        public final AbstractJingleConnection.Id id;
5201        public final Set<Media> media;
5202        public final boolean reconnecting;
5203
5204        public OngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
5205            this.id = id;
5206            this.media = media;
5207            this.reconnecting = reconnecting;
5208        }
5209
5210        @Override
5211        public boolean equals(Object o) {
5212            if (this == o) return true;
5213            if (o == null || getClass() != o.getClass()) return false;
5214            OngoingCall that = (OngoingCall) o;
5215            return reconnecting == that.reconnecting && Objects.equal(id, that.id) && Objects.equal(media, that.media);
5216        }
5217
5218        @Override
5219        public int hashCode() {
5220            return Objects.hashCode(id, media, reconnecting);
5221        }
5222    }
5223
5224    public static class BlockedMediaException extends Exception { }
5225}