XmppConnectionService.java

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