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