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