XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import static eu.siacs.conversations.utils.Compatibility.s;
   4import static eu.siacs.conversations.utils.Random.SECURE_RANDOM;
   5
   6import android.Manifest;
   7import android.annotation.SuppressLint;
   8import android.annotation.TargetApi;
   9import android.app.AlarmManager;
  10import android.app.KeyguardManager;
  11import android.app.Notification;
  12import android.app.NotificationManager;
  13import android.app.PendingIntent;
  14import android.app.Service;
  15import android.content.BroadcastReceiver;
  16import android.content.ComponentName;
  17import android.content.Context;
  18import android.content.Intent;
  19import android.content.IntentFilter;
  20import android.content.SharedPreferences;
  21import android.content.pm.PackageManager;
  22import android.content.pm.ServiceInfo;
  23import android.database.ContentObserver;
  24import android.graphics.Bitmap;
  25import android.media.AudioManager;
  26import android.net.ConnectivityManager;
  27import android.net.Network;
  28import android.net.NetworkCapabilities;
  29import android.net.NetworkInfo;
  30import android.net.Uri;
  31import android.os.Binder;
  32import android.os.Build;
  33import android.os.Bundle;
  34import android.os.Environment;
  35import android.os.IBinder;
  36import android.os.Messenger;
  37import android.os.PowerManager;
  38import android.os.PowerManager.WakeLock;
  39import android.os.SystemClock;
  40import android.preference.PreferenceManager;
  41import android.provider.ContactsContract;
  42import android.security.KeyChain;
  43import android.telephony.PhoneStateListener;
  44import android.telephony.TelephonyManager;
  45import android.text.TextUtils;
  46import android.util.DisplayMetrics;
  47import android.util.Log;
  48import android.util.LruCache;
  49import android.util.Pair;
  50
  51import androidx.annotation.BoolRes;
  52import androidx.annotation.IntegerRes;
  53import androidx.annotation.NonNull;
  54import androidx.core.app.RemoteInput;
  55import androidx.core.content.ContextCompat;
  56import androidx.core.util.Consumer;
  57
  58import com.google.common.base.Objects;
  59import com.google.common.base.Optional;
  60import com.google.common.base.Strings;
  61
  62import org.conscrypt.Conscrypt;
  63import org.jxmpp.stringprep.libidn.LibIdnXmppStringprep;
  64import org.openintents.openpgp.IOpenPgpService2;
  65import org.openintents.openpgp.util.OpenPgpApi;
  66import org.openintents.openpgp.util.OpenPgpServiceConnection;
  67
  68import java.io.File;
  69import java.security.Security;
  70import java.security.cert.CertificateException;
  71import java.security.cert.X509Certificate;
  72import java.util.ArrayList;
  73import java.util.Arrays;
  74import java.util.Collection;
  75import java.util.Collections;
  76import java.util.HashSet;
  77import java.util.Hashtable;
  78import java.util.Iterator;
  79import java.util.List;
  80import java.util.ListIterator;
  81import java.util.Map;
  82import java.util.Set;
  83import java.util.WeakHashMap;
  84import java.util.concurrent.CopyOnWriteArrayList;
  85import java.util.concurrent.CountDownLatch;
  86import java.util.concurrent.Executor;
  87import java.util.concurrent.Executors;
  88import java.util.concurrent.ScheduledExecutorService;
  89import java.util.concurrent.TimeUnit;
  90import java.util.concurrent.atomic.AtomicBoolean;
  91import java.util.concurrent.atomic.AtomicLong;
  92import java.util.concurrent.atomic.AtomicReference;
  93
  94import eu.siacs.conversations.Config;
  95import eu.siacs.conversations.R;
  96import eu.siacs.conversations.android.JabberIdContact;
  97import eu.siacs.conversations.crypto.OmemoSetting;
  98import eu.siacs.conversations.crypto.PgpDecryptionService;
  99import eu.siacs.conversations.crypto.PgpEngine;
 100import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 101import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 102import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
 103import eu.siacs.conversations.entities.Account;
 104import eu.siacs.conversations.entities.Blockable;
 105import eu.siacs.conversations.entities.Bookmark;
 106import eu.siacs.conversations.entities.Contact;
 107import eu.siacs.conversations.entities.Conversation;
 108import eu.siacs.conversations.entities.Conversational;
 109import eu.siacs.conversations.entities.Message;
 110import eu.siacs.conversations.entities.MucOptions;
 111import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
 112import eu.siacs.conversations.entities.Presence;
 113import eu.siacs.conversations.entities.PresenceTemplate;
 114import eu.siacs.conversations.entities.Roster;
 115import eu.siacs.conversations.entities.ServiceDiscoveryResult;
 116import eu.siacs.conversations.generator.AbstractGenerator;
 117import eu.siacs.conversations.generator.IqGenerator;
 118import eu.siacs.conversations.generator.MessageGenerator;
 119import eu.siacs.conversations.generator.PresenceGenerator;
 120import eu.siacs.conversations.http.HttpConnectionManager;
 121import eu.siacs.conversations.parser.AbstractParser;
 122import eu.siacs.conversations.parser.IqParser;
 123import eu.siacs.conversations.parser.MessageParser;
 124import eu.siacs.conversations.parser.PresenceParser;
 125import eu.siacs.conversations.persistance.DatabaseBackend;
 126import eu.siacs.conversations.persistance.FileBackend;
 127import eu.siacs.conversations.persistance.UnifiedPushDatabase;
 128import eu.siacs.conversations.ui.ChooseAccountForProfilePictureActivity;
 129import eu.siacs.conversations.ui.ConversationsActivity;
 130import eu.siacs.conversations.ui.RtpSessionActivity;
 131import eu.siacs.conversations.ui.SettingsActivity;
 132import eu.siacs.conversations.ui.UiCallback;
 133import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 134import eu.siacs.conversations.ui.interfaces.OnMediaLoaded;
 135import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 136import eu.siacs.conversations.utils.AccountUtils;
 137import eu.siacs.conversations.utils.Compatibility;
 138import eu.siacs.conversations.utils.ConversationsFileObserver;
 139import eu.siacs.conversations.utils.CryptoHelper;
 140import eu.siacs.conversations.utils.EasyOnboardingInvite;
 141import eu.siacs.conversations.utils.ExceptionHelper;
 142import eu.siacs.conversations.utils.MimeUtils;
 143import eu.siacs.conversations.utils.PhoneHelper;
 144import eu.siacs.conversations.utils.QuickLoader;
 145import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 146import eu.siacs.conversations.utils.ReplacingTaskManager;
 147import eu.siacs.conversations.utils.Resolver;
 148import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 149import eu.siacs.conversations.utils.StringUtils;
 150import eu.siacs.conversations.utils.TorServiceUtils;
 151import eu.siacs.conversations.utils.WakeLockHelper;
 152import eu.siacs.conversations.utils.XmppUri;
 153import eu.siacs.conversations.xml.Element;
 154import eu.siacs.conversations.xml.LocalizedContent;
 155import eu.siacs.conversations.xml.Namespace;
 156import eu.siacs.conversations.xmpp.Jid;
 157import eu.siacs.conversations.xmpp.OnBindListener;
 158import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 159import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 160import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 161import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 162import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 163import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 164import eu.siacs.conversations.xmpp.OnStatusChanged;
 165import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 166import eu.siacs.conversations.xmpp.XmppConnection;
 167import eu.siacs.conversations.xmpp.chatstate.ChatState;
 168import eu.siacs.conversations.xmpp.forms.Data;
 169import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
 170import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 171import eu.siacs.conversations.xmpp.jingle.JingleRtpConnection;
 172import eu.siacs.conversations.xmpp.jingle.Media;
 173import eu.siacs.conversations.xmpp.jingle.RtpEndUserState;
 174import eu.siacs.conversations.xmpp.mam.MamReference;
 175import eu.siacs.conversations.xmpp.pep.Avatar;
 176import eu.siacs.conversations.xmpp.pep.PublishOptions;
 177import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 178import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 179import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 180import me.leolin.shortcutbadger.ShortcutBadger;
 181
 182public class XmppConnectionService extends Service {
 183
 184    public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 185    public static final String ACTION_MARK_AS_READ = "mark_as_read";
 186    public static final String ACTION_SNOOZE = "snooze";
 187    public static final String ACTION_CLEAR_MESSAGE_NOTIFICATION = "clear_message_notification";
 188    public static final String ACTION_CLEAR_MISSED_CALL_NOTIFICATION = "clear_missed_call_notification";
 189    public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 190    public static final String ACTION_TRY_AGAIN = "try_again";
 191
 192    public static final String ACTION_TEMPORARILY_DISABLE = "temporarily_disable";
 193    public static final String ACTION_PING = "ping";
 194    public static final String ACTION_IDLE_PING = "idle_ping";
 195    public static final String ACTION_INTERNAL_PING = "internal_ping";
 196    public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 197    public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 198    public static final String ACTION_DISMISS_CALL = "dismiss_call";
 199    public static final String ACTION_END_CALL = "end_call";
 200    public static final String ACTION_PROVISION_ACCOUNT = "provision_account";
 201    private static final String ACTION_POST_CONNECTIVITY_CHANGE = "eu.siacs.conversations.POST_CONNECTIVITY_CHANGE";
 202    public static final String ACTION_RENEW_UNIFIED_PUSH_ENDPOINTS = "eu.siacs.conversations.UNIFIED_PUSH_RENEW";
 203    public static final String ACTION_QUICK_LOG = "eu.siacs.conversations.QUICK_LOG";
 204
 205    private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 206
 207    public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 208    private final static Executor FILE_OBSERVER_EXECUTOR = Executors.newSingleThreadExecutor();
 209    private final static Executor FILE_ATTACHMENT_EXECUTOR = Executors.newSingleThreadExecutor();
 210
 211    private final ScheduledExecutorService internalPingExecutor = Executors.newSingleThreadScheduledExecutor();
 212    private final static SerialSingleThreadExecutor VIDEO_COMPRESSION_EXECUTOR = new SerialSingleThreadExecutor("VideoCompression");
 213    private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 214    private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 215    private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 216    private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 217    private final IBinder mBinder = new XmppConnectionBinder();
 218    private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 219    private final IqGenerator mIqGenerator = new IqGenerator(this);
 220    private final Set<String> mInProgressAvatarFetches = new HashSet<>();
 221    private final Set<String> mOmittedPepAvatarFetches = new HashSet<>();
 222    private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 223    private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 224        if (packet.getType() != IqPacket.TYPE.RESULT) {
 225            Element error = packet.findChild("error");
 226            String text = error != null ? error.findChildContent("text") : null;
 227            if (text != null) {
 228                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 229            }
 230        }
 231    };
 232    public DatabaseBackend databaseBackend;
 233    private final ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor("ContactMerger");
 234    private long mLastActivity = 0;
 235    private final FileBackend fileBackend = new FileBackend(this);
 236    private MemorizingTrustManager mMemorizingTrustManager;
 237    private final NotificationService mNotificationService = new NotificationService(this);
 238    private final UnifiedPushBroker unifiedPushBroker = new UnifiedPushBroker(this);
 239    private final ChannelDiscoveryService mChannelDiscoveryService = new ChannelDiscoveryService(this);
 240    private final ShortcutService mShortcutService = new ShortcutService(this);
 241    private final AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 242    private final AtomicBoolean mForceForegroundService = new AtomicBoolean(false);
 243    private final AtomicBoolean mForceDuringOnCreate = new AtomicBoolean(false);
 244    private final AtomicReference<OngoingCall> ongoingCall = new AtomicReference<>();
 245    private final OnMessagePacketReceived mMessageParser = new MessageParser(this);
 246    private final OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 247    private final IqParser mIqParser = new IqParser(this);
 248    private final MessageGenerator mMessageGenerator = new MessageGenerator(this);
 249    public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 250        Conversation conversation = find(getConversations(), contact);
 251        if (conversation != null) {
 252            if (online) {
 253                if (contact.getPresences().size() == 1) {
 254                    sendUnsentMessages(conversation);
 255                }
 256            }
 257        }
 258    };
 259    private final PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 260    private List<Account> accounts;
 261    private final JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(this);
 262    private final HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(this);
 263    private final AvatarService mAvatarService = new AvatarService(this);
 264    private final MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 265    private final PushManagementService mPushManagementService = new PushManagementService(this);
 266    private final QuickConversationsService mQuickConversationsService = new QuickConversationsService(this);
 267    private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 268            Environment.getExternalStorageDirectory().getAbsolutePath()
 269    ) {
 270        @Override
 271        public void onEvent(final int event, final File file) {
 272            markFileDeleted(file);
 273        }
 274    };
 275    private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 276
 277        @Override
 278        public boolean onMessageAcknowledged(final Account account, final Jid to, final String id) {
 279            if (id.startsWith(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX)) {
 280                final String sessionId = id.substring(JingleRtpConnection.JINGLE_MESSAGE_PROPOSE_ID_PREFIX.length());
 281                mJingleConnectionManager.updateProposedSessionDiscovered(
 282                        account,
 283                        to,
 284                        sessionId,
 285                        JingleConnectionManager.DeviceDiscoveryState.SEARCHING_ACKNOWLEDGED
 286                );
 287            }
 288
 289
 290            final Jid bare = to.asBareJid();
 291
 292            for (final Conversation conversation : getConversations()) {
 293                if (conversation.getAccount() == account && conversation.getJid().asBareJid().equals(bare)) {
 294                    final Message message = conversation.findUnsentMessageWithUuid(id);
 295                    if (message != null) {
 296                        message.setStatus(Message.STATUS_SEND);
 297                        message.setErrorMessage(null);
 298                        databaseBackend.updateMessage(message, false);
 299                        return true;
 300                    }
 301                }
 302            }
 303            return false;
 304        }
 305    };
 306    private final AtomicBoolean isPhoneInCall = new AtomicBoolean(false);
 307    private final PhoneStateListener phoneStateListener = new PhoneStateListener() {
 308        @Override
 309        public void onCallStateChanged(final int state, final String phoneNumber) {
 310            isPhoneInCall.set(state != TelephonyManager.CALL_STATE_IDLE);
 311            if (state == TelephonyManager.CALL_STATE_OFFHOOK) {
 312                mJingleConnectionManager.notifyPhoneCallStarted();
 313            }
 314        }
 315    };
 316
 317    private boolean destroyed = false;
 318
 319    private int unreadCount = -1;
 320
 321    //Ui callback listeners
 322    private final Set<OnConversationUpdate> mOnConversationUpdates = Collections.newSetFromMap(new WeakHashMap<OnConversationUpdate, Boolean>());
 323    private final Set<OnShowErrorToast> mOnShowErrorToasts = Collections.newSetFromMap(new WeakHashMap<OnShowErrorToast, Boolean>());
 324    private final Set<OnAccountUpdate> mOnAccountUpdates = Collections.newSetFromMap(new WeakHashMap<OnAccountUpdate, Boolean>());
 325    private final Set<OnCaptchaRequested> mOnCaptchaRequested = Collections.newSetFromMap(new WeakHashMap<OnCaptchaRequested, Boolean>());
 326    private final Set<OnRosterUpdate> mOnRosterUpdates = Collections.newSetFromMap(new WeakHashMap<OnRosterUpdate, Boolean>());
 327    private final Set<OnUpdateBlocklist> mOnUpdateBlocklist = Collections.newSetFromMap(new WeakHashMap<OnUpdateBlocklist, Boolean>());
 328    private final Set<OnMucRosterUpdate> mOnMucRosterUpdate = Collections.newSetFromMap(new WeakHashMap<OnMucRosterUpdate, Boolean>());
 329    private final Set<OnKeyStatusUpdated> mOnKeyStatusUpdated = Collections.newSetFromMap(new WeakHashMap<OnKeyStatusUpdated, Boolean>());
 330    private final Set<OnJingleRtpConnectionUpdate> onJingleRtpConnectionUpdate = Collections.newSetFromMap(new WeakHashMap<OnJingleRtpConnectionUpdate, Boolean>());
 331
 332    private final Object LISTENER_LOCK = new Object();
 333
 334
 335    public final Set<String> FILENAMES_TO_IGNORE_DELETION = new HashSet<>();
 336
 337
 338    private final OnBindListener mOnBindListener = new OnBindListener() {
 339
 340        @Override
 341        public void onBind(final Account account) {
 342            synchronized (mInProgressAvatarFetches) {
 343                for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 344                    final String KEY = iterator.next();
 345                    if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 346                        iterator.remove();
 347                    }
 348                }
 349            }
 350            boolean loggedInSuccessfully = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 351            boolean gainedFeature = account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 352            if (loggedInSuccessfully || gainedFeature) {
 353                databaseBackend.updateAccount(account);
 354            }
 355
 356            if (loggedInSuccessfully) {
 357                if (!TextUtils.isEmpty(account.getDisplayName())) {
 358                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": display name wasn't empty on first log in. publishing");
 359                    publishDisplayName(account);
 360                }
 361            }
 362
 363            account.getRoster().clearPresences();
 364            synchronized (account.inProgressConferenceJoins) {
 365                account.inProgressConferenceJoins.clear();
 366            }
 367            synchronized (account.inProgressConferencePings) {
 368                account.inProgressConferencePings.clear();
 369            }
 370            mJingleConnectionManager.notifyRebound(account);
 371            mQuickConversationsService.considerSyncBackground(false);
 372            fetchRosterFromServer(account);
 373
 374            final XmppConnection connection = account.getXmppConnection();
 375
 376            if (connection.getFeatures().bookmarks2()) {
 377                fetchBookmarks2(account);
 378            } else if (!account.getXmppConnection().getFeatures().bookmarksConversion()) {
 379                fetchBookmarks(account);
 380            }
 381            final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 382            final boolean catchup = getMessageArchiveService().inCatchup(account);
 383            if (flexible && catchup && account.getXmppConnection().isMamPreferenceAlways()) {
 384                sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 385                    if (packet.getType() == IqPacket.TYPE.RESULT) {
 386                        Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 387                    }
 388                });
 389            }
 390            sendPresence(account);
 391            if (mPushManagementService.available(account)) {
 392                mPushManagementService.registerPushTokenOnServer(account);
 393            }
 394            connectMultiModeConversations(account);
 395            syncDirtyContacts(account);
 396
 397            unifiedPushBroker.renewUnifiedPushEndpointsOnBind(account);
 398        }
 399    };
 400    private final AtomicLong mLastExpiryRun = new AtomicLong(0);
 401    private final LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 402    private final OnStatusChanged statusListener = new OnStatusChanged() {
 403
 404        @Override
 405        public void onStatusChanged(final Account account) {
 406            XmppConnection connection = account.getXmppConnection();
 407            updateAccountUi();
 408
 409            if (account.getStatus() == Account.State.ONLINE || account.getStatus().isError()) {
 410                mQuickConversationsService.signalAccountStateChange();
 411            }
 412
 413            if (account.getStatus() == Account.State.ONLINE) {
 414                synchronized (mLowPingTimeoutMode) {
 415                    if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 416                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 417                    }
 418                }
 419                if (account.setShowErrorNotification(true)) {
 420                    databaseBackend.updateAccount(account);
 421                }
 422                mMessageArchiveService.executePendingQueries(account);
 423                if (connection != null && connection.getFeatures().csi()) {
 424                    if (checkListeners()) {
 425                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 426                        connection.sendInactive();
 427                    } else {
 428                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 429                        connection.sendActive();
 430                    }
 431                }
 432                List<Conversation> conversations = getConversations();
 433                for (Conversation conversation : conversations) {
 434                    final boolean inProgressJoin;
 435                    synchronized (account.inProgressConferenceJoins) {
 436                        inProgressJoin = account.inProgressConferenceJoins.contains(conversation);
 437                    }
 438                    final boolean pendingJoin;
 439                    synchronized (account.pendingConferenceJoins) {
 440                        pendingJoin = account.pendingConferenceJoins.contains(conversation);
 441                    }
 442                    if (conversation.getAccount() == account
 443                            && !pendingJoin
 444                            && !inProgressJoin) {
 445                        sendUnsentMessages(conversation);
 446                    }
 447                }
 448                final List<Conversation> pendingLeaves;
 449                synchronized (account.pendingConferenceLeaves) {
 450                    pendingLeaves = new ArrayList<>(account.pendingConferenceLeaves);
 451                    account.pendingConferenceLeaves.clear();
 452
 453                }
 454                for (Conversation conversation : pendingLeaves) {
 455                    leaveMuc(conversation);
 456                }
 457                final List<Conversation> pendingJoins;
 458                synchronized (account.pendingConferenceJoins) {
 459                    pendingJoins = new ArrayList<>(account.pendingConferenceJoins);
 460                    account.pendingConferenceJoins.clear();
 461                }
 462                for (Conversation conversation : pendingJoins) {
 463                    joinMuc(conversation);
 464                }
 465                scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 466            } else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED || account.getStatus() == Account.State.LOGGED_OUT) {
 467                resetSendingToWaiting(account);
 468                if (account.isConnectionEnabled() && isInLowPingTimeoutMode(account)) {
 469                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 470                    reconnectAccount(account, true, false);
 471                } else {
 472                    final int timeToReconnect = SECURE_RANDOM.nextInt(10) + 2;
 473                    scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 474                }
 475            } else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 476                databaseBackend.updateAccount(account);
 477                reconnectAccount(account, true, false);
 478            } else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 479                resetSendingToWaiting(account);
 480                if (connection != null && account.getStatus().isAttemptReconnect()) {
 481                    final boolean aggressive = account.getStatus() == Account.State.SEE_OTHER_HOST
 482                            || hasJingleRtpConnection(account);
 483                    final int next = connection.getTimeToNextAttempt(aggressive);
 484                    final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 485                    if (next <= 0) {
 486                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + lowPingTimeoutMode);
 487                        reconnectAccount(account, true, false);
 488                    } else {
 489                        final int attempt = connection.getAttempt() + 1;
 490                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + lowPingTimeoutMode+", aggressive="+aggressive);
 491                        scheduleWakeUpCall(next, account.getUuid().hashCode());
 492                        if (aggressive) {
 493                            internalPingExecutor.schedule(
 494                                    XmppConnectionService.this::manageAccountConnectionStatesInternal,
 495                                    (next * 1000L) + 50,
 496                                    TimeUnit.MILLISECONDS
 497                            );
 498                        }
 499                    }
 500                }
 501            }
 502            getNotificationService().updateErrorNotification();
 503        }
 504    };
 505    private OpenPgpServiceConnection pgpServiceConnection;
 506    private PgpEngine mPgpEngine = null;
 507    private WakeLock wakeLock;
 508    private LruCache<String, Bitmap> mBitmapCache;
 509    private final BroadcastReceiver mInternalEventReceiver = new InternalEventReceiver();
 510    private final BroadcastReceiver mInternalRestrictedEventReceiver = new RestrictedEventReceiver(Arrays.asList(TorServiceUtils.ACTION_STATUS));
 511    private final BroadcastReceiver mInternalScreenEventReceiver = new InternalEventReceiver();
 512
 513    private static String generateFetchKey(Account account, final Avatar avatar) {
 514        return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 515    }
 516
 517    private boolean isInLowPingTimeoutMode(Account account) {
 518        synchronized (mLowPingTimeoutMode) {
 519            return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 520        }
 521    }
 522
 523    public void startForcingForegroundNotification() {
 524        mForceForegroundService.set(true);
 525        toggleForegroundService();
 526    }
 527
 528    public void stopForcingForegroundNotification() {
 529        mForceForegroundService.set(false);
 530        toggleForegroundService();
 531    }
 532
 533    public boolean areMessagesInitialized() {
 534        return this.restoredFromDatabaseLatch.getCount() == 0;
 535    }
 536
 537    public PgpEngine getPgpEngine() {
 538        if (!Config.supportOpenPgp()) {
 539            return null;
 540        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 541            if (this.mPgpEngine == null) {
 542                this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 543                        getApplicationContext(),
 544                        pgpServiceConnection.getService()), this);
 545            }
 546            return mPgpEngine;
 547        } else {
 548            return null;
 549        }
 550
 551    }
 552
 553    public OpenPgpApi getOpenPgpApi() {
 554        if (!Config.supportOpenPgp()) {
 555            return null;
 556        } else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 557            return new OpenPgpApi(this, pgpServiceConnection.getService());
 558        } else {
 559            return null;
 560        }
 561    }
 562
 563    public FileBackend getFileBackend() {
 564        return this.fileBackend;
 565    }
 566
 567    public AvatarService getAvatarService() {
 568        return this.mAvatarService;
 569    }
 570
 571    public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 572        int encryption = conversation.getNextEncryption();
 573        if (encryption == Message.ENCRYPTION_PGP) {
 574            encryption = Message.ENCRYPTION_DECRYPTED;
 575        }
 576        Message message = new Message(conversation, uri.toString(), encryption);
 577        Message.configurePrivateMessage(message);
 578        if (encryption == Message.ENCRYPTION_DECRYPTED) {
 579            getPgpEngine().encrypt(message, callback);
 580        } else {
 581            sendMessage(message);
 582            callback.success(message);
 583        }
 584    }
 585
 586    public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 587        final Message message;
 588        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 589            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 590        } else {
 591            message = new Message(conversation, "", conversation.getNextEncryption());
 592        }
 593        if (!Message.configurePrivateFileMessage(message)) {
 594            message.setCounterpart(conversation.getNextCounterpart());
 595            message.setType(Message.TYPE_FILE);
 596        }
 597        Log.d(Config.LOGTAG, "attachFile: type=" + message.getType());
 598        Log.d(Config.LOGTAG, "counterpart=" + message.getCounterpart());
 599        final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 600        if (runnable.isVideoMessage()) {
 601            VIDEO_COMPRESSION_EXECUTOR.execute(runnable);
 602        } else {
 603            FILE_ATTACHMENT_EXECUTOR.execute(runnable);
 604        }
 605    }
 606
 607    public void attachImageToConversation(final Conversation conversation, final Uri uri,  final String type, final UiCallback<Message> callback) {
 608        final String mimeType = MimeUtils.guessMimeTypeFromUriAndMime(this, uri, type);
 609        final String compressPictures = getCompressPicturesPreference();
 610
 611        if ("never".equals(compressPictures)
 612                || ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 613                || (mimeType != null && mimeType.endsWith("/gif"))
 614                || getFileBackend().unusualBounds(uri)) {
 615            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 616            attachFileToConversation(conversation, uri, mimeType, callback);
 617            return;
 618        }
 619        final Message message;
 620        if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 621            message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 622        } else {
 623            message = new Message(conversation, "", conversation.getNextEncryption());
 624        }
 625        if (!Message.configurePrivateFileMessage(message)) {
 626            message.setCounterpart(conversation.getNextCounterpart());
 627            message.setType(Message.TYPE_IMAGE);
 628        }
 629        Log.d(Config.LOGTAG, "attachImage: type=" + message.getType());
 630        FILE_ATTACHMENT_EXECUTOR.execute(() -> {
 631            try {
 632                getFileBackend().copyImageToPrivateStorage(message, uri);
 633            } catch (FileBackend.ImageCompressionException e) {
 634                Log.d(Config.LOGTAG, "unable to compress image. fall back to file transfer", e);
 635                attachFileToConversation(conversation, uri, mimeType, callback);
 636                return;
 637            } catch (final FileBackend.FileCopyException e) {
 638                callback.error(e.getResId(), message);
 639                return;
 640            }
 641            if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 642                final PgpEngine pgpEngine = getPgpEngine();
 643                if (pgpEngine != null) {
 644                    pgpEngine.encrypt(message, callback);
 645                } else if (callback != null) {
 646                    callback.error(R.string.unable_to_connect_to_keychain, null);
 647                }
 648            } else {
 649                sendMessage(message);
 650                callback.success(message);
 651            }
 652        });
 653    }
 654
 655    public Conversation find(Bookmark bookmark) {
 656        return find(bookmark.getAccount(), bookmark.getJid());
 657    }
 658
 659    public Conversation find(final Account account, final Jid jid) {
 660        return find(getConversations(), account, jid);
 661    }
 662
 663    public boolean isMuc(final Account account, final Jid jid) {
 664        final Conversation c = find(account, jid);
 665        return c != null && c.getMode() == Conversational.MODE_MULTI;
 666    }
 667
 668    public void search(final List<String> term, final String uuid, final OnSearchResultsAvailable onSearchResultsAvailable) {
 669        MessageSearchTask.search(this, term, uuid, onSearchResultsAvailable);
 670    }
 671
 672    @Override
 673    public int onStartCommand(final Intent intent, int flags, int startId) {
 674        final String action = Strings.nullToEmpty(intent == null ? null : intent.getAction());
 675        final boolean needsForegroundService = intent != null && intent.getBooleanExtra(EventReceiver.EXTRA_NEEDS_FOREGROUND_SERVICE, false);
 676        if (needsForegroundService) {
 677            Log.d(Config.LOGTAG, "toggle forced foreground service after receiving event (action=" + action + ")");
 678            toggleForegroundService(true);
 679        }
 680        final String uuid = intent == null ? null : intent.getStringExtra("uuid");
 681        switch (action) {
 682            case QuickConversationsService.SMS_RETRIEVED_ACTION:
 683                mQuickConversationsService.handleSmsReceived(intent);
 684                break;
 685            case ConnectivityManager.CONNECTIVITY_ACTION:
 686                if (hasInternetConnection()) {
 687                    if (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0) {
 688                        schedulePostConnectivityChange();
 689                    }
 690                    if (Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 691                        resetAllAttemptCounts(true, false);
 692                    }
 693                    Resolver.clearCache();
 694                }
 695                break;
 696            case Intent.ACTION_SHUTDOWN:
 697                logoutAndSave(true);
 698                return START_NOT_STICKY;
 699            case ACTION_CLEAR_MESSAGE_NOTIFICATION:
 700                mNotificationExecutor.execute(() -> {
 701                    try {
 702                        final Conversation c = findConversationByUuid(uuid);
 703                        if (c != null) {
 704                            mNotificationService.clearMessages(c);
 705                        } else {
 706                            mNotificationService.clearMessages();
 707                        }
 708                        restoredFromDatabaseLatch.await();
 709
 710                    } catch (InterruptedException e) {
 711                        Log.d(Config.LOGTAG, "unable to process clear message notification");
 712                    }
 713                });
 714                break;
 715            case ACTION_CLEAR_MISSED_CALL_NOTIFICATION:
 716                mNotificationExecutor.execute(() -> {
 717                    try {
 718                        final Conversation c = findConversationByUuid(uuid);
 719                        if (c != null) {
 720                            mNotificationService.clearMissedCalls(c);
 721                        } else {
 722                            mNotificationService.clearMissedCalls();
 723                        }
 724                        restoredFromDatabaseLatch.await();
 725
 726                    } catch (InterruptedException e) {
 727                        Log.d(Config.LOGTAG, "unable to process clear missed call notification");
 728                    }
 729                });
 730                break;
 731            case ACTION_DISMISS_CALL: {
 732                if (intent == null) {
 733                    break;
 734                }
 735                final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 736                Log.d(Config.LOGTAG, "received intent to dismiss call with session id " + sessionId);
 737                mJingleConnectionManager.rejectRtpSession(sessionId);
 738                break;
 739            }
 740            case TorServiceUtils.ACTION_STATUS:
 741                final String status = intent == null ? null : intent.getStringExtra(TorServiceUtils.EXTRA_STATUS);
 742                //TODO port and host are in 'extras' - but this may not be a reliable source?
 743                if ("ON".equals(status)) {
 744                    handleOrbotStartedEvent();
 745                    return START_STICKY;
 746                }
 747                break;
 748            case ACTION_END_CALL: {
 749                if (intent == null) {
 750                    break;
 751                }
 752                final String sessionId = intent.getStringExtra(RtpSessionActivity.EXTRA_SESSION_ID);
 753                Log.d(Config.LOGTAG, "received intent to end call with session id " + sessionId);
 754                mJingleConnectionManager.endRtpSession(sessionId);
 755            }
 756            break;
 757            case ACTION_PROVISION_ACCOUNT: {
 758                if (intent == null) {
 759                    break;
 760                }
 761                final String address = intent.getStringExtra("address");
 762                final String password = intent.getStringExtra("password");
 763                if (QuickConversationsService.isQuicksy() || Strings.isNullOrEmpty(address) || Strings.isNullOrEmpty(password)) {
 764                    break;
 765                }
 766                provisionAccount(address, password);
 767                break;
 768            }
 769            case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 770                dismissErrorNotifications();
 771                break;
 772            case ACTION_TRY_AGAIN:
 773                resetAllAttemptCounts(false, true);
 774                break;
 775            case ACTION_REPLY_TO_CONVERSATION:
 776                final Bundle remoteInput = intent == null ? null : RemoteInput.getResultsFromIntent(intent);
 777                if (remoteInput == null) {
 778                    break;
 779                }
 780                final CharSequence body = remoteInput.getCharSequence("text_reply");
 781                final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 782                final String lastMessageUuid = intent.getStringExtra("last_message_uuid");
 783                if (body == null || body.length() <= 0) {
 784                    break;
 785                }
 786                mNotificationExecutor.execute(() -> {
 787                    try {
 788                        restoredFromDatabaseLatch.await();
 789                        final Conversation c = findConversationByUuid(uuid);
 790                        if (c != null) {
 791                            directReply(c, body.toString(), lastMessageUuid, dismissNotification);
 792                        }
 793                    } catch (InterruptedException e) {
 794                        Log.d(Config.LOGTAG, "unable to process direct reply");
 795                    }
 796                });
 797                break;
 798            case ACTION_MARK_AS_READ:
 799                mNotificationExecutor.execute(() -> {
 800                    final Conversation c = findConversationByUuid(uuid);
 801                    if (c == null) {
 802                        Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 803                        return;
 804                    }
 805                    try {
 806                        restoredFromDatabaseLatch.await();
 807                        sendReadMarker(c, null);
 808                    } catch (InterruptedException e) {
 809                        Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 810                    }
 811
 812                });
 813                break;
 814            case ACTION_SNOOZE:
 815                mNotificationExecutor.execute(() -> {
 816                    final Conversation c = findConversationByUuid(uuid);
 817                    if (c == null) {
 818                        Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 819                        return;
 820                    }
 821                    c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 822                    mNotificationService.clearMessages(c);
 823                    updateConversation(c);
 824                });
 825            case AudioManager.RINGER_MODE_CHANGED_ACTION:
 826            case NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED:
 827                if (dndOnSilentMode()) {
 828                    refreshAllPresences();
 829                }
 830                break;
 831            case Intent.ACTION_SCREEN_ON:
 832                deactivateGracePeriod();
 833            case Intent.ACTION_USER_PRESENT:
 834            case Intent.ACTION_SCREEN_OFF:
 835                if (awayWhenScreenLocked()) {
 836                    refreshAllPresences();
 837                }
 838                break;
 839            case ACTION_FCM_TOKEN_REFRESH:
 840                refreshAllFcmTokens();
 841                break;
 842            case ACTION_RENEW_UNIFIED_PUSH_ENDPOINTS:
 843                if (intent == null) {
 844                    break;
 845                }
 846                final String instance = intent.getStringExtra("instance");
 847                final String application = intent.getStringExtra("application");
 848                final Messenger messenger = intent.getParcelableExtra("messenger");
 849                final UnifiedPushBroker.PushTargetMessenger pushTargetMessenger;
 850                if (messenger != null && application != null && instance != null) {
 851                    pushTargetMessenger = new UnifiedPushBroker.PushTargetMessenger(new UnifiedPushDatabase.PushTarget(application, instance),messenger);
 852                    Log.d(Config.LOGTAG,"found push target messenger");
 853                } else {
 854                    pushTargetMessenger = null;
 855                }
 856                final Optional<UnifiedPushBroker.Transport> transport = renewUnifiedPushEndpoints(pushTargetMessenger);
 857                if (instance != null && transport.isPresent()) {
 858                    unifiedPushBroker.rebroadcastEndpoint(messenger, instance, transport.get());
 859                }
 860                break;
 861            case ACTION_IDLE_PING:
 862                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 863                    scheduleNextIdlePing();
 864                }
 865                break;
 866            case ACTION_FCM_MESSAGE_RECEIVED:
 867                Log.d(Config.LOGTAG, "push message arrived in service. account");
 868                break;
 869            case ACTION_QUICK_LOG:
 870                final String message = intent == null ? null : intent.getStringExtra("message");
 871                if (message != null && Config.QUICK_LOG) {
 872                    quickLog(message);
 873                }
 874                break;
 875            case Intent.ACTION_SEND:
 876                final Uri uri = intent == null ? null : intent.getData();
 877                if (uri != null) {
 878                    Log.d(Config.LOGTAG, "received uri permission for " + uri);
 879                }
 880                return START_STICKY;
 881            case ACTION_TEMPORARILY_DISABLE:
 882                toggleSoftDisabled(true);
 883                if (checkListeners()) {
 884                    stopSelf();
 885                }
 886                return START_NOT_STICKY;
 887        }
 888        manageAccountConnectionStates(action, intent == null ? null : intent.getExtras());
 889        if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 890            expireOldMessages();
 891        }
 892        return START_STICKY;
 893    }
 894
 895    private void quickLog(final String message) {
 896        if (Strings.isNullOrEmpty(message)) {
 897            return;
 898        }
 899        final Account account = AccountUtils.getFirstEnabled(this);
 900        if (account == null) {
 901            return;
 902        }
 903        final Conversation conversation =
 904                findOrCreateConversation(account, Config.BUG_REPORTS, false, true);
 905        final Message report = new Message(conversation, message, Message.ENCRYPTION_NONE);
 906        report.setStatus(Message.STATUS_RECEIVED);
 907        conversation.add(report);
 908        databaseBackend.createMessage(report);
 909        updateConversationUi();
 910    }
 911
 912    private void manageAccountConnectionStatesInternal() {
 913        manageAccountConnectionStates(ACTION_INTERNAL_PING, null);
 914    }
 915
 916    private synchronized void manageAccountConnectionStates(final String action, final Bundle extras) {
 917        final String pushedAccountHash = extras == null ? null : extras.getString("account");
 918        final boolean interactive = Arrays.asList(ACTION_TRY_AGAIN).contains(action);
 919        WakeLockHelper.acquire(wakeLock);
 920        boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action) || (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL > 0 && ACTION_POST_CONNECTIVITY_CHANGE.equals(action));
 921        final HashSet<Account> pingCandidates = new HashSet<>();
 922        final String androidId = PhoneHelper.getAndroidId(this);
 923        for (final Account account : accounts) {
 924            final boolean pushWasMeantForThisAccount = CryptoHelper.getAccountFingerprint(account, androidId).equals(pushedAccountHash);
 925            pingNow |= processAccountState(account,
 926                    interactive,
 927                    "ui".equals(action),
 928                    pushWasMeantForThisAccount,
 929                    pingCandidates);
 930        }
 931        if (pingNow) {
 932            for (Account account : pingCandidates) {
 933                final boolean lowTimeout = isInLowPingTimeoutMode(account);
 934                account.getXmppConnection().sendPing();
 935                Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + lowTimeout + ")");
 936                scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 937            }
 938        }
 939        WakeLockHelper.release(wakeLock);
 940    }
 941
 942    private void handleOrbotStartedEvent() {
 943        for (final Account account : accounts) {
 944            if (account.getStatus() == Account.State.TOR_NOT_AVAILABLE) {
 945                reconnectAccount(account, true, false);
 946            }
 947        }
 948    }
 949
 950    private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 951        if (!account.getStatus().isAttemptReconnect()) {
 952            return false;
 953        }
 954        if (!hasInternetConnection()) {
 955            account.setStatus(Account.State.NO_INTERNET);
 956            statusListener.onStatusChanged(account);
 957        } else {
 958            if (account.getStatus() == Account.State.NO_INTERNET) {
 959                account.setStatus(Account.State.OFFLINE);
 960                statusListener.onStatusChanged(account);
 961            }
 962            if (account.getStatus() == Account.State.ONLINE) {
 963                synchronized (mLowPingTimeoutMode) {
 964                    long lastReceived = account.getXmppConnection().getLastPacketReceived();
 965                    long lastSent = account.getXmppConnection().getLastPingSent();
 966                    long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 967                    long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 968                    int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 969                    long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 970                    if (lastSent > lastReceived) {
 971                        if (pingTimeoutIn < 0) {
 972                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 973                            this.reconnectAccount(account, true, interactive);
 974                        } else {
 975                            int secs = (int) (pingTimeoutIn / 1000);
 976                            this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 977                        }
 978                    } else {
 979                        pingCandidates.add(account);
 980                        if (isAccountPushed) {
 981                            if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 982                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 983                            }
 984                            return true;
 985                        } else if (msToNextPing <= 0) {
 986                            return true;
 987                        } else {
 988                            this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 989                            if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 990                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 991                            }
 992                        }
 993                    }
 994                }
 995            } else if (account.getStatus() == Account.State.OFFLINE) {
 996                reconnectAccount(account, true, interactive);
 997            } else if (account.getStatus() == Account.State.CONNECTING) {
 998                long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 999                long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
1000                long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
1001                long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
1002                if (timeout < 0) {
1003                    Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
1004                    account.getXmppConnection().resetAttemptCount(false);
1005                    reconnectAccount(account, true, interactive);
1006                } else if (discoTimeout < 0) {
1007                    account.getXmppConnection().sendDiscoTimeout();
1008                    scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
1009                } else {
1010                    scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
1011                }
1012            } else {
1013                final boolean aggressive = account.getStatus() == Account.State.SEE_OTHER_HOST || hasJingleRtpConnection(account);
1014                if (account.getXmppConnection().getTimeToNextAttempt(aggressive) <= 0) {
1015                    reconnectAccount(account, true, interactive);
1016                }
1017            }
1018        }
1019        return false;
1020    }
1021
1022    private void toggleSoftDisabled(final boolean softDisabled) {
1023        for(final Account account : this.accounts) {
1024            if (account.isEnabled()) {
1025                if (account.setOption(Account.OPTION_SOFT_DISABLED, softDisabled)) {
1026                    updateAccount(account);
1027                }
1028            }
1029        }
1030    }
1031
1032    public boolean processUnifiedPushMessage(final Account account, final Jid transport, final Element push) {
1033        return unifiedPushBroker.processPushMessage(account, transport, push);
1034    }
1035
1036    public void reinitializeMuclumbusService() {
1037        mChannelDiscoveryService.initializeMuclumbusService();
1038    }
1039
1040    public void discoverChannels(String query, ChannelDiscoveryService.Method method, ChannelDiscoveryService.OnChannelSearchResultsFound onChannelSearchResultsFound) {
1041        mChannelDiscoveryService.discover(Strings.nullToEmpty(query).trim(), method, onChannelSearchResultsFound);
1042    }
1043
1044    public boolean isDataSaverDisabled() {
1045        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1046            final ConnectivityManager connectivityManager =
1047                    (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
1048            return !connectivityManager.isActiveNetworkMetered()
1049                    || Compatibility.getRestrictBackgroundStatus(connectivityManager)
1050                            == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
1051        } else {
1052            return true;
1053        }
1054    }
1055
1056    private void directReply(final Conversation conversation, final String body, final String lastMessageUuid, final boolean dismissAfterReply) {
1057        final Message inReplyTo = lastMessageUuid == null ? null : conversation.findMessageWithUuid(lastMessageUuid);
1058        final Message message = new Message(conversation, body, conversation.getNextEncryption());
1059        if (inReplyTo != null && inReplyTo.isPrivateMessage()) {
1060            Message.configurePrivateMessage(message, inReplyTo.getCounterpart());
1061        }
1062        message.markUnread();
1063        if (message.getEncryption() == Message.ENCRYPTION_PGP) {
1064            getPgpEngine().encrypt(message, new UiCallback<Message>() {
1065                @Override
1066                public void success(Message message) {
1067                    if (dismissAfterReply) {
1068                        markRead((Conversation) message.getConversation(), true);
1069                    } else {
1070                        mNotificationService.pushFromDirectReply(message);
1071                    }
1072                }
1073
1074                @Override
1075                public void error(int errorCode, Message object) {
1076
1077                }
1078
1079                @Override
1080                public void userInputRequired(PendingIntent pi, Message object) {
1081
1082                }
1083            });
1084        } else {
1085            sendMessage(message);
1086            if (dismissAfterReply) {
1087                markRead(conversation, true);
1088            } else {
1089                mNotificationService.pushFromDirectReply(message);
1090            }
1091        }
1092    }
1093
1094    private boolean dndOnSilentMode() {
1095        return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
1096    }
1097
1098    private boolean manuallyChangePresence() {
1099        return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
1100    }
1101
1102    private boolean treatVibrateAsSilent() {
1103        return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
1104    }
1105
1106    private boolean awayWhenScreenLocked() {
1107        return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
1108    }
1109
1110    private String getCompressPicturesPreference() {
1111        return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
1112    }
1113
1114    private Presence.Status getTargetPresence() {
1115        if (dndOnSilentMode() && isPhoneSilenced()) {
1116            return Presence.Status.DND;
1117        } else if (awayWhenScreenLocked() && isScreenLocked()) {
1118            return Presence.Status.AWAY;
1119        } else {
1120            return Presence.Status.ONLINE;
1121        }
1122    }
1123
1124    public boolean isScreenLocked() {
1125        final KeyguardManager keyguardManager = (KeyguardManager) getSystemService(Context.KEYGUARD_SERVICE);
1126        final PowerManager powerManager = (PowerManager) getSystemService(Context.POWER_SERVICE);
1127        final boolean locked = keyguardManager != null && keyguardManager.isKeyguardLocked();
1128        final boolean interactive = powerManager != null && powerManager.isInteractive();
1129        return locked || !interactive;
1130    }
1131
1132    private boolean isPhoneSilenced() {
1133        final boolean notificationDnd;
1134        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1135            final NotificationManager notificationManager = getSystemService(NotificationManager.class);
1136            final int filter = notificationManager == null ? NotificationManager.INTERRUPTION_FILTER_UNKNOWN : notificationManager.getCurrentInterruptionFilter();
1137            notificationDnd = filter >= NotificationManager.INTERRUPTION_FILTER_PRIORITY;
1138        } else {
1139            notificationDnd = false;
1140        }
1141        final AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
1142        final int ringerMode = audioManager == null ? AudioManager.RINGER_MODE_NORMAL : audioManager.getRingerMode();
1143        try {
1144            if (treatVibrateAsSilent()) {
1145                return notificationDnd || ringerMode != AudioManager.RINGER_MODE_NORMAL;
1146            } else {
1147                return notificationDnd || ringerMode == AudioManager.RINGER_MODE_SILENT;
1148            }
1149        } catch (Throwable throwable) {
1150            Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
1151            return notificationDnd;
1152        }
1153    }
1154
1155    private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
1156        Log.d(Config.LOGTAG, "resetting all attempt counts");
1157        for (Account account : accounts) {
1158            if (account.hasErrorStatus() || reallyAll) {
1159                final XmppConnection connection = account.getXmppConnection();
1160                if (connection != null) {
1161                    connection.resetAttemptCount(retryImmediately);
1162                }
1163            }
1164            if (account.setShowErrorNotification(true)) {
1165                mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1166            }
1167        }
1168        mNotificationService.updateErrorNotification();
1169    }
1170
1171    private void dismissErrorNotifications() {
1172        for (final Account account : this.accounts) {
1173            if (account.hasErrorStatus()) {
1174                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
1175                if (account.setShowErrorNotification(false)) {
1176                    mDatabaseWriterExecutor.execute(() -> databaseBackend.updateAccount(account));
1177                }
1178            }
1179        }
1180    }
1181
1182    private void expireOldMessages() {
1183        expireOldMessages(false);
1184    }
1185
1186    public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
1187        mLastExpiryRun.set(SystemClock.elapsedRealtime());
1188        mDatabaseWriterExecutor.execute(() -> {
1189            long timestamp = getAutomaticMessageDeletionDate();
1190            if (timestamp > 0) {
1191                databaseBackend.expireOldMessages(timestamp);
1192                synchronized (XmppConnectionService.this.conversations) {
1193                    for (Conversation conversation : XmppConnectionService.this.conversations) {
1194                        conversation.expireOldMessages(timestamp);
1195                        if (resetHasMessagesLeftOnServer) {
1196                            conversation.messagesLoaded.set(true);
1197                            conversation.setHasMessagesLeftOnServer(true);
1198                        }
1199                    }
1200                }
1201                updateConversationUi();
1202            }
1203        });
1204    }
1205
1206    public boolean hasInternetConnection() {
1207        final ConnectivityManager cm = ContextCompat.getSystemService(this, ConnectivityManager.class);
1208        if (cm == null) {
1209            return true; //if internet connection can not be checked it is probably best to just try
1210        }
1211        try {
1212            if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.Q) {
1213                final Network activeNetwork = cm.getActiveNetwork();
1214                final NetworkCapabilities capabilities = activeNetwork == null ? null : cm.getNetworkCapabilities(activeNetwork);
1215                return capabilities != null && capabilities.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
1216            } else {
1217                final NetworkInfo networkInfo = cm.getActiveNetworkInfo();
1218                return networkInfo != null && (networkInfo.isConnected() || networkInfo.getType() == ConnectivityManager.TYPE_ETHERNET);
1219            }
1220        } catch (final RuntimeException e) {
1221            Log.d(Config.LOGTAG, "unable to check for internet connection", e);
1222            return true; //if internet connection can not be checked it is probably best to just try
1223        }
1224    }
1225
1226    @SuppressLint("TrulyRandom")
1227    @Override
1228    public void onCreate() {
1229        LibIdnXmppStringprep.setup();
1230        if (Compatibility.runsTwentySix()) {
1231            mNotificationService.initializeChannels();
1232        }
1233        mChannelDiscoveryService.initializeMuclumbusService();
1234        mForceDuringOnCreate.set(Compatibility.runsAndTargetsTwentySix(this));
1235        toggleForegroundService();
1236        this.destroyed = false;
1237        OmemoSetting.load(this);
1238        ExceptionHelper.init(getApplicationContext());
1239        try {
1240            Security.insertProviderAt(Conscrypt.newProvider(), 1);
1241        } catch (Throwable throwable) {
1242            Log.e(Config.LOGTAG, "unable to initialize security provider", throwable);
1243        }
1244        Resolver.init(this);
1245        updateMemorizingTrustmanager();
1246        final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
1247        final int cacheSize = maxMemory / 8;
1248        this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
1249            @Override
1250            protected int sizeOf(final String key, final Bitmap bitmap) {
1251                return bitmap.getByteCount() / 1024;
1252            }
1253        };
1254        if (mLastActivity == 0) {
1255            mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
1256        }
1257
1258        Log.d(Config.LOGTAG, "initializing database...");
1259        this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
1260        Log.d(Config.LOGTAG, "restoring accounts...");
1261        this.accounts = databaseBackend.getAccounts();
1262        final SharedPreferences.Editor editor = getPreferences().edit();
1263        if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
1264            editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
1265            Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
1266        }
1267        final boolean hasEnabledAccounts = hasEnabledAccounts();
1268        editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
1269        editor.apply();
1270        toggleSetProfilePictureActivity(hasEnabledAccounts);
1271        reconfigurePushDistributor();
1272
1273        restoreFromDatabase();
1274
1275        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M || ContextCompat.checkSelfPermission(this, Manifest.permission.READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
1276            startContactObserver();
1277        }
1278        FILE_OBSERVER_EXECUTOR.execute(fileBackend::deleteHistoricAvatarPath);
1279        if (Compatibility.hasStoragePermission(this)) {
1280            Log.d(Config.LOGTAG, "starting file observer");
1281            FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::startWatching);
1282            FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1283        }
1284        if (Config.supportOpenPgp()) {
1285            this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
1286                @Override
1287                public void onBound(final IOpenPgpService2 service) {
1288                    for (Account account : accounts) {
1289                        final PgpDecryptionService pgp = account.getPgpDecryptionService();
1290                        if (pgp != null) {
1291                            pgp.continueDecryption(true);
1292                        }
1293                    }
1294                }
1295
1296                @Override
1297                public void onError(final Exception exception) {
1298                    Log.e(Config.LOGTAG,"could not bind to OpenKeyChain", exception);
1299                }
1300            });
1301            this.pgpServiceConnection.bindToService();
1302        }
1303
1304        final PowerManager pm = ContextCompat.getSystemService(this, PowerManager.class);
1305        this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "Conversations:Service");
1306
1307        toggleForegroundService();
1308        updateUnreadCountBadge();
1309        toggleScreenEventReceiver();
1310        final IntentFilter systemBroadcastFilter = new IntentFilter();
1311        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1312            scheduleNextIdlePing();
1313            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1314                systemBroadcastFilter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
1315            }
1316            systemBroadcastFilter.addAction(NotificationManager.ACTION_INTERRUPTION_FILTER_CHANGED);
1317        }
1318        ContextCompat.registerReceiver(
1319                this,
1320                this.mInternalEventReceiver,
1321                systemBroadcastFilter,
1322                ContextCompat.RECEIVER_NOT_EXPORTED);
1323        final IntentFilter exportedBroadcastFilter = new IntentFilter();
1324        exportedBroadcastFilter.addAction(TorServiceUtils.ACTION_STATUS);
1325        ContextCompat.registerReceiver(
1326                this,
1327                this.mInternalRestrictedEventReceiver,
1328                exportedBroadcastFilter,
1329                ContextCompat.RECEIVER_EXPORTED);
1330        mForceDuringOnCreate.set(false);
1331        toggleForegroundService();
1332        setupPhoneStateListener();
1333        internalPingExecutor.scheduleAtFixedRate(this::manageAccountConnectionStatesInternal,10,10,TimeUnit.SECONDS);
1334    }
1335
1336
1337    private void setupPhoneStateListener() {
1338        final TelephonyManager telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);
1339        if (telephonyManager == null || Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
1340            return;
1341        }
1342        telephonyManager.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
1343    }
1344
1345    public boolean isPhoneInCall() {
1346        return isPhoneInCall.get();
1347    }
1348
1349    private void checkForDeletedFiles() {
1350        if (destroyed) {
1351            Log.d(Config.LOGTAG, "Do not check for deleted files because service has been destroyed");
1352            return;
1353        }
1354        final long start = SystemClock.elapsedRealtime();
1355        final List<DatabaseBackend.FilePathInfo> relativeFilePaths = databaseBackend.getFilePathInfo();
1356        final List<DatabaseBackend.FilePathInfo> changed = new ArrayList<>();
1357        for (final DatabaseBackend.FilePathInfo filePath : relativeFilePaths) {
1358            if (destroyed) {
1359                Log.d(Config.LOGTAG, "Stop checking for deleted files because service has been destroyed");
1360                return;
1361            }
1362            final File file = fileBackend.getFileForPath(filePath.path);
1363            if (filePath.setDeleted(!file.exists())) {
1364                changed.add(filePath);
1365            }
1366        }
1367        final long duration = SystemClock.elapsedRealtime() - start;
1368        Log.d(Config.LOGTAG, "found " + changed.size() + " changed files on start up. total=" + relativeFilePaths.size() + ". (" + duration + "ms)");
1369        if (changed.size() > 0) {
1370            databaseBackend.markFilesAsChanged(changed);
1371            markChangedFiles(changed);
1372        }
1373    }
1374
1375    public void startContactObserver() {
1376        getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, new ContentObserver(null) {
1377            @Override
1378            public void onChange(boolean selfChange) {
1379                super.onChange(selfChange);
1380                if (restoredFromDatabaseLatch.getCount() == 0) {
1381                    loadPhoneContacts();
1382                }
1383            }
1384        });
1385    }
1386
1387    @Override
1388    public void onTrimMemory(int level) {
1389        super.onTrimMemory(level);
1390        if (level >= TRIM_MEMORY_COMPLETE) {
1391            Log.d(Config.LOGTAG, "clear cache due to low memory");
1392            getBitmapCache().evictAll();
1393        }
1394    }
1395
1396    @Override
1397    public void onDestroy() {
1398        try {
1399            unregisterReceiver(this.mInternalEventReceiver);
1400            unregisterReceiver(this.mInternalRestrictedEventReceiver);
1401            unregisterReceiver(this.mInternalScreenEventReceiver);
1402        } catch (final IllegalArgumentException e) {
1403            //ignored
1404        }
1405        destroyed = false;
1406        fileObserver.stopWatching();
1407        internalPingExecutor.shutdown();
1408        super.onDestroy();
1409    }
1410
1411    public void restartFileObserver() {
1412        Log.d(Config.LOGTAG, "restarting file observer");
1413        FILE_OBSERVER_EXECUTOR.execute(this.fileObserver::restartWatching);
1414        FILE_OBSERVER_EXECUTOR.execute(this::checkForDeletedFiles);
1415    }
1416
1417    public void toggleScreenEventReceiver() {
1418        if (awayWhenScreenLocked() && !manuallyChangePresence()) {
1419            final IntentFilter filter = new IntentFilter();
1420            filter.addAction(Intent.ACTION_SCREEN_ON);
1421            filter.addAction(Intent.ACTION_SCREEN_OFF);
1422            filter.addAction(Intent.ACTION_USER_PRESENT);
1423            registerReceiver(this.mInternalScreenEventReceiver, filter);
1424        } else {
1425            try {
1426                unregisterReceiver(this.mInternalScreenEventReceiver);
1427            } catch (IllegalArgumentException e) {
1428                //ignored
1429            }
1430        }
1431    }
1432
1433    public void toggleForegroundService() {
1434        toggleForegroundService(false);
1435    }
1436
1437    public void setOngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
1438        ongoingCall.set(new OngoingCall(id, media, reconnecting));
1439        toggleForegroundService(false);
1440    }
1441
1442    public void removeOngoingCall() {
1443        ongoingCall.set(null);
1444        toggleForegroundService(false);
1445    }
1446
1447    private void toggleForegroundService(final boolean force) {
1448        final boolean status;
1449        final OngoingCall ongoing = ongoingCall.get();
1450        if (force || mForceDuringOnCreate.get() || mForceForegroundService.get() || ongoing != null || (Compatibility.keepForegroundService(this) && hasEnabledAccounts())) {
1451            final Notification notification;
1452            final int id;
1453            if (ongoing != null) {
1454                notification = this.mNotificationService.getOngoingCallNotification(ongoing);
1455                id = NotificationService.ONGOING_CALL_NOTIFICATION_ID;
1456                startForegroundOrCatch(id, notification, true);
1457                mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1458            } else {
1459                notification = this.mNotificationService.createForegroundNotification();
1460                id = NotificationService.FOREGROUND_NOTIFICATION_ID;
1461                startForegroundOrCatch(id, notification, false);
1462            }
1463
1464            if (!mForceForegroundService.get()) {
1465                mNotificationService.notify(id, notification);
1466            }
1467            status = true;
1468        } else {
1469            stopForeground(true);
1470            status = false;
1471        }
1472        if (!mForceForegroundService.get()) {
1473            mNotificationService.cancel(NotificationService.FOREGROUND_NOTIFICATION_ID);
1474        }
1475        if (ongoing == null) {
1476            mNotificationService.cancel(NotificationService.ONGOING_CALL_NOTIFICATION_ID);
1477        }
1478        Log.d(Config.LOGTAG, "ForegroundService: " + (status ? "on" : "off"));
1479    }
1480
1481    private void startForegroundOrCatch(
1482            final int id, final Notification notification, final boolean requireMicrophone) {
1483        try {
1484            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
1485                final int foregroundServiceType;
1486                if (requireMicrophone
1487                        && ContextCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO)
1488                                == PackageManager.PERMISSION_GRANTED) {
1489                    foregroundServiceType = ServiceInfo.FOREGROUND_SERVICE_TYPE_MICROPHONE;
1490                    Log.d(Config.LOGTAG, "defaulting to microphone foreground service type");
1491                } else if (getSystemService(PowerManager.class)
1492                        .isIgnoringBatteryOptimizations(getPackageName())) {
1493                    foregroundServiceType = ServiceInfo.FOREGROUND_SERVICE_TYPE_SYSTEM_EXEMPTED;
1494                } else if (ContextCompat.checkSelfPermission(this, Manifest.permission.RECORD_AUDIO)
1495                        == PackageManager.PERMISSION_GRANTED) {
1496                    foregroundServiceType = ServiceInfo.FOREGROUND_SERVICE_TYPE_MICROPHONE;
1497                } else if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA)
1498                        == PackageManager.PERMISSION_GRANTED) {
1499                    foregroundServiceType = ServiceInfo.FOREGROUND_SERVICE_TYPE_CAMERA;
1500                } else {
1501                    foregroundServiceType = ServiceInfo.FOREGROUND_SERVICE_TYPE_SPECIAL_USE;
1502                    Log.w(Config.LOGTAG, "falling back to special use foreground service type");
1503                }
1504                startForeground(id, notification, foregroundServiceType);
1505            } else {
1506                startForeground(id, notification);
1507            }
1508        } catch (final IllegalStateException | SecurityException e) {
1509            Log.e(Config.LOGTAG, "Could not start foreground service", e);
1510        }
1511    }
1512
1513    public boolean foregroundNotificationNeedsUpdatingWhenErrorStateChanges() {
1514        return !mForceForegroundService.get() && ongoingCall.get() == null && Compatibility.keepForegroundService(this) && hasEnabledAccounts();
1515    }
1516
1517    @Override
1518    public void onTaskRemoved(final Intent rootIntent) {
1519        super.onTaskRemoved(rootIntent);
1520        if ((Compatibility.keepForegroundService(this) && hasEnabledAccounts()) || mForceForegroundService.get() || ongoingCall.get() != null) {
1521            Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1522        } else {
1523            this.logoutAndSave(false);
1524        }
1525    }
1526
1527    private void logoutAndSave(boolean stop) {
1528        int activeAccounts = 0;
1529        for (final Account account : accounts) {
1530            if (account.isConnectionEnabled()) {
1531                databaseBackend.writeRoster(account.getRoster());
1532                activeAccounts++;
1533            }
1534            if (account.getXmppConnection() != null) {
1535                new Thread(() -> disconnect(account, false)).start();
1536            }
1537        }
1538        if (stop || activeAccounts == 0) {
1539            Log.d(Config.LOGTAG, "good bye");
1540            stopSelf();
1541        }
1542    }
1543
1544    private void schedulePostConnectivityChange() {
1545        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1546        if (alarmManager == null) {
1547            return;
1548        }
1549        final long triggerAtMillis = SystemClock.elapsedRealtime() + (Config.POST_CONNECTIVITY_CHANGE_PING_INTERVAL * 1000);
1550        final Intent intent = new Intent(this, EventReceiver.class);
1551        intent.setAction(ACTION_POST_CONNECTIVITY_CHANGE);
1552        try {
1553            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 1, intent, s()
1554                    ? PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT
1555                    : PendingIntent.FLAG_UPDATE_CURRENT);
1556            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1557                alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1558            } else {
1559                alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, triggerAtMillis, pendingIntent);
1560            }
1561        } catch (RuntimeException e) {
1562            Log.e(Config.LOGTAG, "unable to schedule alarm for post connectivity change", e);
1563        }
1564    }
1565
1566    public void scheduleWakeUpCall(final int seconds, final int requestCode) {
1567        final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000L;
1568        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1569        if (alarmManager == null) {
1570            return;
1571        }
1572        final Intent intent = new Intent(this, EventReceiver.class);
1573        intent.setAction(ACTION_PING);
1574        try {
1575            final PendingIntent pendingIntent =
1576                    PendingIntent.getBroadcast(
1577                            this, requestCode, intent, PendingIntent.FLAG_IMMUTABLE);
1578            alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1579        } catch (RuntimeException e) {
1580            Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1581        }
1582    }
1583
1584    @TargetApi(Build.VERSION_CODES.M)
1585    private void scheduleNextIdlePing() {
1586        final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1587        final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1588        if (alarmManager == null) {
1589            return;
1590        }
1591        final Intent intent = new Intent(this, EventReceiver.class);
1592        intent.setAction(ACTION_IDLE_PING);
1593        try {
1594            final PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, s()
1595                    ? PendingIntent.FLAG_IMMUTABLE | PendingIntent.FLAG_UPDATE_CURRENT
1596                    : PendingIntent.FLAG_UPDATE_CURRENT);
1597            alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1598        } catch (RuntimeException e) {
1599            Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1600        }
1601    }
1602
1603    public XmppConnection createConnection(final Account account) {
1604        final XmppConnection connection = new XmppConnection(account, this);
1605        connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1606        connection.setOnStatusChangedListener(this.statusListener);
1607        connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1608        connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1609        connection.setOnJinglePacketReceivedListener((mJingleConnectionManager::deliverPacket));
1610        connection.setOnBindListener(this.mOnBindListener);
1611        connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1612        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1613        connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1614        AxolotlService axolotlService = account.getAxolotlService();
1615        if (axolotlService != null) {
1616            connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1617        }
1618        return connection;
1619    }
1620
1621    public void sendChatState(Conversation conversation) {
1622        if (sendChatStates()) {
1623            MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1624            sendMessagePacket(conversation.getAccount(), packet);
1625        }
1626    }
1627
1628    private void sendFileMessage(final Message message, final boolean delay) {
1629        Log.d(Config.LOGTAG, "send file message");
1630        final Account account = message.getConversation().getAccount();
1631        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1632                || message.getConversation().getMode() == Conversation.MODE_MULTI) {
1633            mHttpConnectionManager.createNewUploadConnection(message, delay);
1634        } else {
1635            mJingleConnectionManager.startJingleFileTransfer(message);
1636        }
1637    }
1638
1639    public void sendMessage(final Message message) {
1640        sendMessage(message, false, false);
1641    }
1642
1643    private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1644        final Account account = message.getConversation().getAccount();
1645        if (account.setShowErrorNotification(true)) {
1646            databaseBackend.updateAccount(account);
1647            mNotificationService.updateErrorNotification();
1648        }
1649        final Conversation conversation = (Conversation) message.getConversation();
1650        account.deactivateGracePeriod();
1651
1652
1653        if (QuickConversationsService.isQuicksy() && conversation.getMode() == Conversation.MODE_SINGLE) {
1654            final Contact contact = conversation.getContact();
1655            if (!contact.showInRoster() && contact.getOption(Contact.Options.SYNCED_VIA_OTHER)) {
1656                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": adding " + contact.getJid() + " on sending message");
1657                createContact(contact, true);
1658            }
1659        }
1660
1661        MessagePacket packet = null;
1662        final boolean addToConversation = !message.edited();
1663        boolean saveInDb = addToConversation;
1664        message.setStatus(Message.STATUS_WAITING);
1665
1666        if (message.getEncryption() != Message.ENCRYPTION_NONE && conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous()) {
1667            if (conversation.setAttribute(Conversation.ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, true)) {
1668                databaseBackend.updateConversation(conversation);
1669            }
1670        }
1671
1672        final boolean inProgressJoin = isJoinInProgress(conversation);
1673
1674
1675        if (account.isOnlineAndConnected() && !inProgressJoin) {
1676            switch (message.getEncryption()) {
1677                case Message.ENCRYPTION_NONE:
1678                    if (message.needsUploading()) {
1679                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1680                                || conversation.getMode() == Conversation.MODE_MULTI
1681                                || message.fixCounterpart()) {
1682                            this.sendFileMessage(message, delay);
1683                        } else {
1684                            break;
1685                        }
1686                    } else {
1687                        packet = mMessageGenerator.generateChat(message);
1688                    }
1689                    break;
1690                case Message.ENCRYPTION_PGP:
1691                case Message.ENCRYPTION_DECRYPTED:
1692                    if (message.needsUploading()) {
1693                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1694                                || conversation.getMode() == Conversation.MODE_MULTI
1695                                || message.fixCounterpart()) {
1696                            this.sendFileMessage(message, delay);
1697                        } else {
1698                            break;
1699                        }
1700                    } else {
1701                        packet = mMessageGenerator.generatePgpChat(message);
1702                    }
1703                    break;
1704                case Message.ENCRYPTION_AXOLOTL:
1705                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1706                    if (message.needsUploading()) {
1707                        if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1708                                || conversation.getMode() == Conversation.MODE_MULTI
1709                                || message.fixCounterpart()) {
1710                            this.sendFileMessage(message, delay);
1711                        } else {
1712                            break;
1713                        }
1714                    } else {
1715                        XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1716                        if (axolotlMessage == null) {
1717                            account.getAxolotlService().preparePayloadMessage(message, delay);
1718                        } else {
1719                            packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1720                        }
1721                    }
1722                    break;
1723
1724            }
1725            if (packet != null) {
1726                if (account.getXmppConnection().getFeatures().sm()
1727                        || (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1728                    message.setStatus(Message.STATUS_UNSEND);
1729                } else {
1730                    message.setStatus(Message.STATUS_SEND);
1731                }
1732            }
1733        } else {
1734            switch (message.getEncryption()) {
1735                case Message.ENCRYPTION_DECRYPTED:
1736                    if (!message.needsUploading()) {
1737                        String pgpBody = message.getEncryptedBody();
1738                        String decryptedBody = message.getBody();
1739                        message.setBody(pgpBody); //TODO might throw NPE
1740                        message.setEncryption(Message.ENCRYPTION_PGP);
1741                        if (message.edited()) {
1742                            message.setBody(decryptedBody);
1743                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1744                            if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1745                                Log.e(Config.LOGTAG, "error updated message in DB after edit");
1746                            }
1747                            updateConversationUi();
1748                            return;
1749                        } else {
1750                            databaseBackend.createMessage(message);
1751                            saveInDb = false;
1752                            message.setBody(decryptedBody);
1753                            message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1754                        }
1755                    }
1756                    break;
1757                case Message.ENCRYPTION_AXOLOTL:
1758                    message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1759                    break;
1760            }
1761        }
1762
1763
1764        boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && !message.isPrivateMessage();
1765        if (mucMessage) {
1766            message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1767        }
1768
1769        if (resend) {
1770            if (packet != null && addToConversation) {
1771                if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1772                    markMessage(message, Message.STATUS_UNSEND);
1773                } else {
1774                    markMessage(message, Message.STATUS_SEND);
1775                }
1776            }
1777        } else {
1778            if (addToConversation) {
1779                conversation.add(message);
1780            }
1781            if (saveInDb) {
1782                databaseBackend.createMessage(message);
1783            } else if (message.edited()) {
1784                if (!databaseBackend.updateMessage(message, message.getEditedId())) {
1785                    Log.e(Config.LOGTAG, "error updated message in DB after edit");
1786                }
1787            }
1788            updateConversationUi();
1789        }
1790        if (packet != null) {
1791            if (delay) {
1792                mMessageGenerator.addDelay(packet, message.getTimeSent());
1793            }
1794            if (conversation.setOutgoingChatState(Config.DEFAULT_CHAT_STATE)) {
1795                if (this.sendChatStates()) {
1796                    packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1797                }
1798            }
1799            sendMessagePacket(account, packet);
1800        }
1801    }
1802
1803    private boolean isJoinInProgress(final Conversation conversation) {
1804        final Account account = conversation.getAccount();
1805        synchronized (account.inProgressConferenceJoins) {
1806            if (conversation.getMode() == Conversational.MODE_MULTI) {
1807                final boolean inProgress = account.inProgressConferenceJoins.contains(conversation);
1808                final boolean pending = account.pendingConferenceJoins.contains(conversation);
1809                final boolean inProgressJoin = inProgress || pending;
1810                if (inProgressJoin) {
1811                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": holding back message to group. inProgress=" + inProgress + ", pending=" + pending);
1812                }
1813                return inProgressJoin;
1814            } else {
1815                return false;
1816            }
1817        }
1818    }
1819
1820    private void sendUnsentMessages(final Conversation conversation) {
1821        conversation.findWaitingMessages(message -> resendMessage(message, true));
1822    }
1823
1824    public void resendMessage(final Message message, final boolean delay) {
1825        sendMessage(message, true, delay);
1826    }
1827
1828    public void requestEasyOnboardingInvite(final Account account, final EasyOnboardingInvite.OnInviteRequested callback) {
1829        final XmppConnection connection = account.getXmppConnection();
1830        final Jid jid = connection == null ? null : connection.getJidForCommand(Namespace.EASY_ONBOARDING_INVITE);
1831        if (jid == null) {
1832            callback.inviteRequestFailed(getString(R.string.server_does_not_support_easy_onboarding_invites));
1833            return;
1834        }
1835        final IqPacket request = new IqPacket(IqPacket.TYPE.SET);
1836        request.setTo(jid);
1837        final Element command = request.addChild("command", Namespace.COMMANDS);
1838        command.setAttribute("node", Namespace.EASY_ONBOARDING_INVITE);
1839        command.setAttribute("action", "execute");
1840        sendIqPacket(account, request, (a, response) -> {
1841            if (response.getType() == IqPacket.TYPE.RESULT) {
1842                final Element resultCommand = response.findChild("command", Namespace.COMMANDS);
1843                final Element x = resultCommand == null ? null : resultCommand.findChild("x", Namespace.DATA);
1844                if (x != null) {
1845                    final Data data = Data.parse(x);
1846                    final String uri = data.getValue("uri");
1847                    final String landingUrl = data.getValue("landing-url");
1848                    if (uri != null) {
1849                        final EasyOnboardingInvite invite = new EasyOnboardingInvite(jid.getDomain().toEscapedString(), uri, landingUrl);
1850                        callback.inviteRequested(invite);
1851                        return;
1852                    }
1853                }
1854                callback.inviteRequestFailed(getString(R.string.unable_to_parse_invite));
1855                Log.d(Config.LOGTAG, response.toString());
1856            } else if (response.getType() == IqPacket.TYPE.ERROR) {
1857                callback.inviteRequestFailed(IqParser.errorMessage(response));
1858            } else {
1859                callback.inviteRequestFailed(getString(R.string.remote_server_timeout));
1860            }
1861        });
1862
1863    }
1864
1865    public void fetchRosterFromServer(final Account account) {
1866        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1867        if (!"".equals(account.getRosterVersion())) {
1868            Log.d(Config.LOGTAG, account.getJid().asBareJid()
1869                    + ": fetching roster version " + account.getRosterVersion());
1870        } else {
1871            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1872        }
1873        iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1874        sendIqPacket(account, iqPacket, mIqParser);
1875    }
1876
1877    public void fetchBookmarks(final Account account) {
1878        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1879        final Element query = iqPacket.query("jabber:iq:private");
1880        query.addChild("storage", Namespace.BOOKMARKS);
1881        final OnIqPacketReceived callback = (a, response) -> {
1882            if (response.getType() == IqPacket.TYPE.RESULT) {
1883                final Element query1 = response.query();
1884                final Element storage = query1.findChild("storage", "storage:bookmarks");
1885                Map<Jid, Bookmark> bookmarks = Bookmark.parseFromStorage(storage, account);
1886                processBookmarksInitial(a, bookmarks, false);
1887            } else {
1888                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": could not fetch bookmarks");
1889            }
1890        };
1891        sendIqPacket(account, iqPacket, callback);
1892    }
1893
1894    public void fetchBookmarks2(final Account account) {
1895        final IqPacket retrieve = mIqGenerator.retrieveBookmarks();
1896        sendIqPacket(account, retrieve, new OnIqPacketReceived() {
1897            @Override
1898            public void onIqPacketReceived(final Account account, final IqPacket response) {
1899                if (response.getType() == IqPacket.TYPE.RESULT) {
1900                    final Element pubsub = response.findChild("pubsub", Namespace.PUBSUB);
1901                    final Map<Jid, Bookmark> bookmarks = Bookmark.parseFromPubsub(pubsub, account);
1902                    processBookmarksInitial(account, bookmarks, true);
1903                }
1904            }
1905        });
1906    }
1907
1908    public void processBookmarksInitial(Account account, Map<Jid, Bookmark> bookmarks, final boolean pep) {
1909        final Set<Jid> previousBookmarks = account.getBookmarkedJids();
1910        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1911        for (Bookmark bookmark : bookmarks.values()) {
1912            previousBookmarks.remove(bookmark.getJid().asBareJid());
1913            processModifiedBookmark(bookmark, pep, synchronizeWithBookmarks);
1914        }
1915        if (pep && synchronizeWithBookmarks) {
1916            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": " + previousBookmarks.size() + " bookmarks have been removed");
1917            for (Jid jid : previousBookmarks) {
1918                processDeletedBookmark(account, jid);
1919            }
1920        }
1921        account.setBookmarks(bookmarks);
1922    }
1923
1924    public void processDeletedBookmark(Account account, Jid jid) {
1925        final Conversation conversation = find(account, jid);
1926        if (conversation != null && conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
1927            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving destroyed conference (" + conversation.getJid() + ") after receiving pep");
1928            archiveConversation(conversation, false);
1929        }
1930    }
1931
1932    private void processModifiedBookmark(Bookmark bookmark, final boolean pep, final boolean synchronizeWithBookmarks) {
1933        final Account account = bookmark.getAccount();
1934        Conversation conversation = find(bookmark);
1935        if (conversation != null) {
1936            if (conversation.getMode() != Conversation.MODE_MULTI) {
1937                return;
1938            }
1939            bookmark.setConversation(conversation);
1940            if (pep && synchronizeWithBookmarks && !bookmark.autojoin()) {
1941                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conference (" + conversation.getJid() + ") after receiving pep");
1942                archiveConversation(conversation, false);
1943            } else {
1944                final MucOptions mucOptions = conversation.getMucOptions();
1945                if (mucOptions.getError() == MucOptions.Error.NICK_IN_USE) {
1946                    final String current = mucOptions.getActualNick();
1947                    final String proposed = mucOptions.getProposedNick();
1948                    if (current != null && !current.equals(proposed)) {
1949                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": proposed nick changed after bookmark push " + current + "->" + proposed);
1950                        joinMuc(conversation);
1951                    }
1952                }
1953            }
1954        } else if (synchronizeWithBookmarks && bookmark.autojoin()) {
1955            conversation = findOrCreateConversation(account, bookmark.getFullJid(), true, true, false);
1956            bookmark.setConversation(conversation);
1957        }
1958    }
1959
1960    public void processModifiedBookmark(Bookmark bookmark) {
1961        final boolean synchronizeWithBookmarks = synchronizeWithBookmarks();
1962        processModifiedBookmark(bookmark, true, synchronizeWithBookmarks);
1963    }
1964
1965    public void createBookmark(final Account account, final Bookmark bookmark) {
1966        account.putBookmark(bookmark);
1967        final XmppConnection connection = account.getXmppConnection();
1968        if (connection == null) {
1969            Log.d(Config.LOGTAG, account.getJid().asBareJid()+": no connection. ignoring bookmark creation");
1970        } else if (connection.getFeatures().bookmarks2()) {
1971            Log.d(Config.LOGTAG,account.getJid().asBareJid() + ": pushing bookmark via Bookmarks 2");
1972            final Element item = mIqGenerator.publishBookmarkItem(bookmark);
1973            pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS2, item, bookmark.getJid().asBareJid().toEscapedString(), PublishOptions.persistentWhitelistAccessMaxItems());
1974        } else if (connection.getFeatures().bookmarksConversion()) {
1975            pushBookmarksPep(account);
1976        } else {
1977            pushBookmarksPrivateXml(account);
1978        }
1979    }
1980
1981    public void deleteBookmark(final Account account, final Bookmark bookmark) {
1982        account.removeBookmark(bookmark);
1983        final XmppConnection connection = account.getXmppConnection();
1984        if (connection.getFeatures().bookmarks2()) {
1985            final IqPacket request = mIqGenerator.deleteItem(Namespace.BOOKMARKS2, bookmark.getJid().asBareJid().toEscapedString());
1986            Log.d(Config.LOGTAG,account.getJid().asBareJid() + ": removing bookmark via Bookmarks 2");
1987            sendIqPacket(account, request, (a, response) -> {
1988                if (response.getType() == IqPacket.TYPE.ERROR) {
1989                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": unable to delete bookmark " + response.getErrorCondition());
1990                }
1991            });
1992        } else if (connection.getFeatures().bookmarksConversion()) {
1993            pushBookmarksPep(account);
1994        } else {
1995            pushBookmarksPrivateXml(account);
1996        }
1997    }
1998
1999    private void pushBookmarksPrivateXml(Account account) {
2000        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via private xml");
2001        IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
2002        Element query = iqPacket.query("jabber:iq:private");
2003        Element storage = query.addChild("storage", "storage:bookmarks");
2004        for (final Bookmark bookmark : account.getBookmarks()) {
2005            storage.addChild(bookmark);
2006        }
2007        sendIqPacket(account, iqPacket, mDefaultIqHandler);
2008    }
2009
2010    private void pushBookmarksPep(Account account) {
2011        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks via pep");
2012        final Element storage = new Element("storage", "storage:bookmarks");
2013        for (final Bookmark bookmark : account.getBookmarks()) {
2014            storage.addChild(bookmark);
2015        }
2016        pushNodeAndEnforcePublishOptions(account, Namespace.BOOKMARKS, storage, "current", PublishOptions.persistentWhitelistAccess());
2017
2018    }
2019
2020    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options) {
2021        pushNodeAndEnforcePublishOptions(account, node, element, id, options, true);
2022
2023    }
2024
2025    private void pushNodeAndEnforcePublishOptions(final Account account, final String node, final Element element, final String id, final Bundle options, final boolean retry) {
2026        final IqPacket packet = mIqGenerator.publishElement(node, element, id, options);
2027        sendIqPacket(account, packet, (a, response) -> {
2028            if (response.getType() == IqPacket.TYPE.RESULT) {
2029                return;
2030            }
2031            if (retry && PublishOptions.preconditionNotMet(response)) {
2032                pushNodeConfiguration(account, node, options, new OnConfigurationPushed() {
2033                    @Override
2034                    public void onPushSucceeded() {
2035                        pushNodeAndEnforcePublishOptions(account, node, element, id, options, false);
2036                    }
2037
2038                    @Override
2039                    public void onPushFailed() {
2040                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to push node configuration (" + node + ")");
2041                    }
2042                });
2043            } else {
2044                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error publishing bookmarks (retry=" + retry + ") " + response);
2045            }
2046        });
2047    }
2048
2049    private void restoreFromDatabase() {
2050        synchronized (this.conversations) {
2051            final Map<String, Account> accountLookupTable = new Hashtable<>();
2052            for (Account account : this.accounts) {
2053                accountLookupTable.put(account.getUuid(), account);
2054            }
2055            Log.d(Config.LOGTAG, "restoring conversations...");
2056            final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
2057            this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
2058            for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
2059                Conversation conversation = iterator.next();
2060                Account account = accountLookupTable.get(conversation.getAccountUuid());
2061                if (account != null) {
2062                    conversation.setAccount(account);
2063                } else {
2064                    Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
2065                    iterator.remove();
2066                }
2067            }
2068            long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
2069            Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
2070            Runnable runnable = () -> {
2071                if (DatabaseBackend.requiresMessageIndexRebuild()) {
2072                    DatabaseBackend.getInstance(this).rebuildMessagesIndex();
2073                }
2074                final long deletionDate = getAutomaticMessageDeletionDate();
2075                mLastExpiryRun.set(SystemClock.elapsedRealtime());
2076                if (deletionDate > 0) {
2077                    Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
2078                    databaseBackend.expireOldMessages(deletionDate);
2079                }
2080                Log.d(Config.LOGTAG, "restoring roster...");
2081                for (final Account account : accounts) {
2082                    databaseBackend.readRoster(account.getRoster());
2083                    account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
2084                }
2085                getBitmapCache().evictAll();
2086                loadPhoneContacts();
2087                Log.d(Config.LOGTAG, "restoring messages...");
2088                final long startMessageRestore = SystemClock.elapsedRealtime();
2089                final Conversation quickLoad = QuickLoader.get(this.conversations);
2090                if (quickLoad != null) {
2091                    restoreMessages(quickLoad);
2092                    updateConversationUi();
2093                    final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
2094                    Log.d(Config.LOGTAG, "quickly restored " + quickLoad.getName() + " after " + diffMessageRestore + "ms");
2095                }
2096                for (Conversation conversation : this.conversations) {
2097                    if (quickLoad != conversation) {
2098                        restoreMessages(conversation);
2099                    }
2100                }
2101                mNotificationService.finishBacklog();
2102                restoredFromDatabaseLatch.countDown();
2103                final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
2104                Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
2105                updateConversationUi();
2106            };
2107            mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
2108        }
2109    }
2110
2111    private void restoreMessages(Conversation conversation) {
2112        conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
2113        conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
2114        conversation.findUnreadMessagesAndCalls(mNotificationService::pushFromBacklog);
2115    }
2116
2117    public void loadPhoneContacts() {
2118        mContactMergerExecutor.execute(() -> {
2119            final Map<Jid, JabberIdContact> contacts = JabberIdContact.load(this);
2120            Log.d(Config.LOGTAG, "start merging phone contacts with roster");
2121            for (final Account account : accounts) {
2122                final List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts(JabberIdContact.class);
2123                for (final JabberIdContact jidContact : contacts.values()) {
2124                    final Contact contact = account.getRoster().getContact(jidContact.getJid());
2125                    boolean needsCacheClean = contact.setPhoneContact(jidContact);
2126                    if (needsCacheClean) {
2127                        getAvatarService().clear(contact);
2128                    }
2129                    withSystemAccounts.remove(contact);
2130                }
2131                for (final Contact contact : withSystemAccounts) {
2132                    boolean needsCacheClean = contact.unsetPhoneContact(JabberIdContact.class);
2133                    if (needsCacheClean) {
2134                        getAvatarService().clear(contact);
2135                    }
2136                }
2137            }
2138            Log.d(Config.LOGTAG, "finished merging phone contacts");
2139            mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
2140            updateRosterUi();
2141            mQuickConversationsService.considerSync();
2142        });
2143    }
2144
2145
2146    public void syncRoster(final Account account) {
2147        mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
2148    }
2149
2150    public List<Conversation> getConversations() {
2151        return this.conversations;
2152    }
2153
2154    private void markFileDeleted(final File file) {
2155        synchronized (FILENAMES_TO_IGNORE_DELETION) {
2156            if (FILENAMES_TO_IGNORE_DELETION.remove(file.getAbsolutePath())) {
2157                Log.d(Config.LOGTAG, "ignored deletion of " + file.getAbsolutePath());
2158                return;
2159            }
2160        }
2161        final boolean isInternalFile = fileBackend.isInternalFile(file);
2162        final List<String> uuids = databaseBackend.markFileAsDeleted(file, isInternalFile);
2163        Log.d(Config.LOGTAG, "deleted file " + file.getAbsolutePath() + " internal=" + isInternalFile + ", database hits=" + uuids.size());
2164        markUuidsAsDeletedFiles(uuids);
2165    }
2166
2167    private void markUuidsAsDeletedFiles(List<String> uuids) {
2168        boolean deleted = false;
2169        for (Conversation conversation : getConversations()) {
2170            deleted |= conversation.markAsDeleted(uuids);
2171        }
2172        for (final String uuid : uuids) {
2173            evictPreview(uuid);
2174        }
2175        if (deleted) {
2176            updateConversationUi();
2177        }
2178    }
2179
2180    private void markChangedFiles(List<DatabaseBackend.FilePathInfo> infos) {
2181        boolean changed = false;
2182        for (Conversation conversation : getConversations()) {
2183            changed |= conversation.markAsChanged(infos);
2184        }
2185        if (changed) {
2186            updateConversationUi();
2187        }
2188    }
2189
2190    public void populateWithOrderedConversations(final List<Conversation> list) {
2191        populateWithOrderedConversations(list, true, true);
2192    }
2193
2194    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload) {
2195        populateWithOrderedConversations(list, includeNoFileUpload, true);
2196    }
2197
2198    public void populateWithOrderedConversations(final List<Conversation> list, final boolean includeNoFileUpload, final boolean sort) {
2199        final List<String> orderedUuids;
2200        if (sort) {
2201            orderedUuids = null;
2202        } else {
2203            orderedUuids = new ArrayList<>();
2204            for (Conversation conversation : list) {
2205                orderedUuids.add(conversation.getUuid());
2206            }
2207        }
2208        list.clear();
2209        if (includeNoFileUpload) {
2210            list.addAll(getConversations());
2211        } else {
2212            for (Conversation conversation : getConversations()) {
2213                if (conversation.getMode() == Conversation.MODE_SINGLE
2214                        || (conversation.getAccount().httpUploadAvailable() && conversation.getMucOptions().participating())) {
2215                    list.add(conversation);
2216                }
2217            }
2218        }
2219        try {
2220            if (orderedUuids != null) {
2221                Collections.sort(list, (a, b) -> {
2222                    final int indexA = orderedUuids.indexOf(a.getUuid());
2223                    final int indexB = orderedUuids.indexOf(b.getUuid());
2224                    if (indexA == -1 || indexB == -1 || indexA == indexB) {
2225                        return a.compareTo(b);
2226                    }
2227                    return indexA - indexB;
2228                });
2229            } else {
2230                Collections.sort(list);
2231            }
2232        } catch (IllegalArgumentException e) {
2233            //ignore
2234        }
2235    }
2236
2237    public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
2238        if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
2239            return;
2240        } else if (timestamp == 0) {
2241            return;
2242        }
2243        Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
2244        final Runnable runnable = () -> {
2245            final Account account = conversation.getAccount();
2246            List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
2247            if (messages.size() > 0) {
2248                conversation.addAll(0, messages);
2249                callback.onMoreMessagesLoaded(messages.size(), conversation);
2250            } else if (conversation.hasMessagesLeftOnServer()
2251                    && account.isOnlineAndConnected()
2252                    && conversation.getLastClearHistory().getTimestamp() == 0) {
2253                final boolean mamAvailable;
2254                if (conversation.getMode() == Conversation.MODE_SINGLE) {
2255                    mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
2256                } else {
2257                    mamAvailable = conversation.getMucOptions().mamSupport();
2258                }
2259                if (mamAvailable) {
2260                    MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
2261                    if (query != null) {
2262                        query.setCallback(callback);
2263                        callback.informUser(R.string.fetching_history_from_server);
2264                    } else {
2265                        callback.informUser(R.string.not_fetching_history_retention_period);
2266                    }
2267
2268                }
2269            }
2270        };
2271        mDatabaseReaderExecutor.execute(runnable);
2272    }
2273
2274    public List<Account> getAccounts() {
2275        return this.accounts;
2276    }
2277
2278
2279    /**
2280     * 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)
2281     */
2282    public List<Conversation> findAllConferencesWith(Contact contact) {
2283        final ArrayList<Conversation> results = new ArrayList<>();
2284        for (final Conversation c : conversations) {
2285            if (c.getMode() != Conversation.MODE_MULTI) {
2286                continue;
2287            }
2288            final MucOptions mucOptions = c.getMucOptions();
2289            if (c.getJid().asBareJid().equals(contact.getJid().asBareJid()) || (mucOptions != null && mucOptions.isContactInRoom(contact))) {
2290                results.add(c);
2291            }
2292        }
2293        return results;
2294    }
2295
2296    public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
2297        for (final Conversation conversation : haystack) {
2298            if (conversation.getContact() == contact) {
2299                return conversation;
2300            }
2301        }
2302        return null;
2303    }
2304
2305    public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
2306        if (jid == null) {
2307            return null;
2308        }
2309        for (final Conversation conversation : haystack) {
2310            if ((account == null || conversation.getAccount() == account)
2311                    && (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
2312                return conversation;
2313            }
2314        }
2315        return null;
2316    }
2317
2318    public boolean isConversationsListEmpty(final Conversation ignore) {
2319        synchronized (this.conversations) {
2320            final int size = this.conversations.size();
2321            return size == 0 || size == 1 && this.conversations.get(0) == ignore;
2322        }
2323    }
2324
2325    public boolean isConversationStillOpen(final Conversation conversation) {
2326        synchronized (this.conversations) {
2327            for (Conversation current : this.conversations) {
2328                if (current == conversation) {
2329                    return true;
2330                }
2331            }
2332        }
2333        return false;
2334    }
2335
2336    public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
2337        return this.findOrCreateConversation(account, jid, muc, false, async);
2338    }
2339
2340    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
2341        return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
2342    }
2343
2344    public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
2345        synchronized (this.conversations) {
2346            Conversation conversation = find(account, jid);
2347            if (conversation != null) {
2348                return conversation;
2349            }
2350            conversation = databaseBackend.findConversation(account, jid);
2351            final boolean loadMessagesFromDb;
2352            if (conversation != null) {
2353                conversation.setStatus(Conversation.STATUS_AVAILABLE);
2354                conversation.setAccount(account);
2355                if (muc) {
2356                    conversation.setMode(Conversation.MODE_MULTI);
2357                    conversation.setContactJid(jid);
2358                } else {
2359                    conversation.setMode(Conversation.MODE_SINGLE);
2360                    conversation.setContactJid(jid.asBareJid());
2361                }
2362                databaseBackend.updateConversation(conversation);
2363                loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
2364            } else {
2365                String conversationName;
2366                Contact contact = account.getRoster().getContact(jid);
2367                if (contact != null) {
2368                    conversationName = contact.getDisplayName();
2369                } else {
2370                    conversationName = jid.getLocal();
2371                }
2372                if (muc) {
2373                    conversation = new Conversation(conversationName, account, jid,
2374                            Conversation.MODE_MULTI);
2375                } else {
2376                    conversation = new Conversation(conversationName, account, jid.asBareJid(),
2377                            Conversation.MODE_SINGLE);
2378                }
2379                this.databaseBackend.createConversation(conversation);
2380                loadMessagesFromDb = false;
2381            }
2382            final Conversation c = conversation;
2383            final Runnable runnable = () -> {
2384                if (loadMessagesFromDb) {
2385                    c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
2386                    updateConversationUi();
2387                    c.messagesLoaded.set(true);
2388                }
2389                if (account.getXmppConnection() != null
2390                        && !c.getContact().isBlocked()
2391                        && account.getXmppConnection().getFeatures().mam()
2392                        && !muc) {
2393                    if (query == null) {
2394                        mMessageArchiveService.query(c);
2395                    } else {
2396                        if (query.getConversation() == null) {
2397                            mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
2398                        }
2399                    }
2400                }
2401                if (joinAfterCreate) {
2402                    joinMuc(c);
2403                }
2404            };
2405            if (async) {
2406                mDatabaseReaderExecutor.execute(runnable);
2407            } else {
2408                runnable.run();
2409            }
2410            this.conversations.add(conversation);
2411            updateConversationUi();
2412            return conversation;
2413        }
2414    }
2415
2416    public void archiveConversation(Conversation conversation) {
2417        archiveConversation(conversation, true);
2418    }
2419
2420    private void archiveConversation(Conversation conversation, final boolean maySynchronizeWithBookmarks) {
2421        getNotificationService().clear(conversation);
2422        conversation.setStatus(Conversation.STATUS_ARCHIVED);
2423        conversation.setNextMessage(null);
2424        synchronized (this.conversations) {
2425            getMessageArchiveService().kill(conversation);
2426            if (conversation.getMode() == Conversation.MODE_MULTI) {
2427                if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2428                    final Bookmark bookmark = conversation.getBookmark();
2429                    if (maySynchronizeWithBookmarks && bookmark != null && synchronizeWithBookmarks()) {
2430                        if (conversation.getMucOptions().getError() == MucOptions.Error.DESTROYED) {
2431                            Account account = bookmark.getAccount();
2432                            bookmark.setConversation(null);
2433                            deleteBookmark(account, bookmark);
2434                        } else if (bookmark.autojoin()) {
2435                            bookmark.setAutojoin(false);
2436                            createBookmark(bookmark.getAccount(), bookmark);
2437                        }
2438                    }
2439                }
2440                leaveMuc(conversation);
2441            } else {
2442                if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
2443                    stopPresenceUpdatesTo(conversation.getContact());
2444                }
2445            }
2446            updateConversation(conversation);
2447            this.conversations.remove(conversation);
2448            updateConversationUi();
2449        }
2450    }
2451
2452    public void stopPresenceUpdatesTo(Contact contact) {
2453        Log.d(Config.LOGTAG, "Canceling presence request from " + contact.getJid().toString());
2454        sendPresencePacket(contact.getAccount(), mPresenceGenerator.stopPresenceUpdatesTo(contact));
2455        contact.resetOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
2456    }
2457
2458    public void createAccount(final Account account) {
2459        account.initAccountServices(this);
2460        databaseBackend.createAccount(account);
2461        this.accounts.add(account);
2462        this.reconnectAccountInBackground(account);
2463        updateAccountUi();
2464        syncEnabledAccountSetting();
2465        toggleForegroundService();
2466    }
2467
2468    private void syncEnabledAccountSetting() {
2469        final boolean hasEnabledAccounts = hasEnabledAccounts();
2470        getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts).apply();
2471        toggleSetProfilePictureActivity(hasEnabledAccounts);
2472    }
2473
2474    private void toggleSetProfilePictureActivity(final boolean enabled) {
2475        try {
2476            final ComponentName name = new ComponentName(this, ChooseAccountForProfilePictureActivity.class);
2477            final int targetState = enabled ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
2478            getPackageManager().setComponentEnabledSetting(name, targetState, PackageManager.DONT_KILL_APP);
2479        } catch (IllegalStateException e) {
2480            Log.d(Config.LOGTAG, "unable to toggle profile picture activity");
2481        }
2482    }
2483
2484    public boolean reconfigurePushDistributor() {
2485        return this.unifiedPushBroker.reconfigurePushDistributor();
2486    }
2487
2488    private Optional<UnifiedPushBroker.Transport> renewUnifiedPushEndpoints(final UnifiedPushBroker.PushTargetMessenger pushTargetMessenger) {
2489        return this.unifiedPushBroker.renewUnifiedPushEndpoints(pushTargetMessenger);
2490    }
2491
2492    public Optional<UnifiedPushBroker.Transport> renewUnifiedPushEndpoints() {
2493        return this.unifiedPushBroker.renewUnifiedPushEndpoints(null);
2494    }
2495
2496    private void provisionAccount(final String address, final String password) {
2497        final Jid jid = Jid.ofEscaped(address);
2498        final Account account = new Account(jid, password);
2499        account.setOption(Account.OPTION_DISABLED, true);
2500        Log.d(Config.LOGTAG, jid.asBareJid().toEscapedString() + ": provisioning account");
2501        createAccount(account);
2502    }
2503
2504    public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
2505        new Thread(() -> {
2506            try {
2507                final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
2508                final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
2509                if (cert == null) {
2510                    callback.informUser(R.string.unable_to_parse_certificate);
2511                    return;
2512                }
2513                Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
2514                if (info == null) {
2515                    callback.informUser(R.string.certificate_does_not_contain_jid);
2516                    return;
2517                }
2518                if (findAccountByJid(info.first) == null) {
2519                    final Account account = new Account(info.first, "");
2520                    account.setPrivateKeyAlias(alias);
2521                    account.setOption(Account.OPTION_DISABLED, true);
2522                    account.setOption(Account.OPTION_FIXED_USERNAME, true);
2523                    account.setDisplayName(info.second);
2524                    createAccount(account);
2525                    callback.onAccountCreated(account);
2526                    if (Config.X509_VERIFICATION) {
2527                        try {
2528                            getMemorizingTrustManager().getNonInteractive(account.getServer()).checkClientTrusted(chain, "RSA");
2529                        } catch (CertificateException e) {
2530                            callback.informUser(R.string.certificate_chain_is_not_trusted);
2531                        }
2532                    }
2533                } else {
2534                    callback.informUser(R.string.account_already_exists);
2535                }
2536            } catch (Exception e) {
2537                callback.informUser(R.string.unable_to_parse_certificate);
2538            }
2539        }).start();
2540
2541    }
2542
2543    public void updateKeyInAccount(final Account account, final String alias) {
2544        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
2545        try {
2546            X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
2547            Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
2548            Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
2549            if (info == null) {
2550                showErrorToastInUi(R.string.certificate_does_not_contain_jid);
2551                return;
2552            }
2553            if (account.getJid().asBareJid().equals(info.first)) {
2554                account.setPrivateKeyAlias(alias);
2555                account.setDisplayName(info.second);
2556                databaseBackend.updateAccount(account);
2557                if (Config.X509_VERIFICATION) {
2558                    try {
2559                        getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
2560                    } catch (CertificateException e) {
2561                        showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
2562                    }
2563                    account.getAxolotlService().regenerateKeys(true);
2564                }
2565            } else {
2566                showErrorToastInUi(R.string.jid_does_not_match_certificate);
2567            }
2568        } catch (Exception e) {
2569            e.printStackTrace();
2570        }
2571    }
2572
2573    public boolean updateAccount(final Account account) {
2574        if (databaseBackend.updateAccount(account)) {
2575            account.setShowErrorNotification(true);
2576            this.statusListener.onStatusChanged(account);
2577            databaseBackend.updateAccount(account);
2578            reconnectAccountInBackground(account);
2579            updateAccountUi();
2580            getNotificationService().updateErrorNotification();
2581            toggleForegroundService();
2582            syncEnabledAccountSetting();
2583            mChannelDiscoveryService.cleanCache();
2584            return true;
2585        } else {
2586            return false;
2587        }
2588    }
2589
2590    public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
2591        final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
2592        sendIqPacket(account, iq, (a, packet) -> {
2593            if (packet.getType() == IqPacket.TYPE.RESULT) {
2594                a.setPassword(newPassword);
2595                a.setOption(Account.OPTION_MAGIC_CREATE, false);
2596                databaseBackend.updateAccount(a);
2597                callback.onPasswordChangeSucceeded();
2598            } else {
2599                callback.onPasswordChangeFailed();
2600            }
2601        });
2602    }
2603
2604    public void unregisterAccount(final Account account, final Consumer<Boolean> callback) {
2605        final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
2606        final Element query = iqPacket.addChild("query",Namespace.REGISTER);
2607        query.addChild("remove");
2608        sendIqPacket(account, iqPacket, (a, response) -> {
2609            if (response.getType() == IqPacket.TYPE.RESULT) {
2610                deleteAccount(a);
2611                callback.accept(true);
2612            } else {
2613                callback.accept(false);
2614            }
2615        });
2616    }
2617
2618    public void deleteAccount(final Account account) {
2619        final boolean connected = account.getStatus() == Account.State.ONLINE;
2620        synchronized (this.conversations) {
2621            if (connected) {
2622                account.getAxolotlService().deleteOmemoIdentity();
2623            }
2624            for (final Conversation conversation : conversations) {
2625                if (conversation.getAccount() == account) {
2626                    if (conversation.getMode() == Conversation.MODE_MULTI) {
2627                        if (connected) {
2628                            leaveMuc(conversation);
2629                        }
2630                    }
2631                    conversations.remove(conversation);
2632                    mNotificationService.clear(conversation);
2633                }
2634            }
2635            if (account.getXmppConnection() != null) {
2636                new Thread(() -> disconnect(account, !connected)).start();
2637            }
2638            final Runnable runnable = () -> {
2639                if (!databaseBackend.deleteAccount(account)) {
2640                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
2641                }
2642            };
2643            mDatabaseWriterExecutor.execute(runnable);
2644            this.accounts.remove(account);
2645            this.mRosterSyncTaskManager.clear(account);
2646            updateAccountUi();
2647            mNotificationService.updateErrorNotification();
2648            syncEnabledAccountSetting();
2649            toggleForegroundService();
2650        }
2651    }
2652
2653    public void setOnConversationListChangedListener(OnConversationUpdate listener) {
2654        final boolean remainingListeners;
2655        synchronized (LISTENER_LOCK) {
2656            remainingListeners = checkListeners();
2657            if (!this.mOnConversationUpdates.add(listener)) {
2658                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as ConversationListChangedListener");
2659            }
2660            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2661        }
2662        if (remainingListeners) {
2663            switchToForeground();
2664        }
2665    }
2666
2667    public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
2668        final boolean remainingListeners;
2669        synchronized (LISTENER_LOCK) {
2670            this.mOnConversationUpdates.remove(listener);
2671            this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
2672            remainingListeners = checkListeners();
2673        }
2674        if (remainingListeners) {
2675            switchToBackground();
2676        }
2677    }
2678
2679    public void setOnShowErrorToastListener(OnShowErrorToast listener) {
2680        final boolean remainingListeners;
2681        synchronized (LISTENER_LOCK) {
2682            remainingListeners = checkListeners();
2683            if (!this.mOnShowErrorToasts.add(listener)) {
2684                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnShowErrorToastListener");
2685            }
2686        }
2687        if (remainingListeners) {
2688            switchToForeground();
2689        }
2690    }
2691
2692    public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
2693        final boolean remainingListeners;
2694        synchronized (LISTENER_LOCK) {
2695            this.mOnShowErrorToasts.remove(onShowErrorToast);
2696            remainingListeners = checkListeners();
2697        }
2698        if (remainingListeners) {
2699            switchToBackground();
2700        }
2701    }
2702
2703    public void setOnAccountListChangedListener(OnAccountUpdate listener) {
2704        final boolean remainingListeners;
2705        synchronized (LISTENER_LOCK) {
2706            remainingListeners = checkListeners();
2707            if (!this.mOnAccountUpdates.add(listener)) {
2708                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnAccountListChangedtListener");
2709            }
2710        }
2711        if (remainingListeners) {
2712            switchToForeground();
2713        }
2714    }
2715
2716    public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
2717        final boolean remainingListeners;
2718        synchronized (LISTENER_LOCK) {
2719            this.mOnAccountUpdates.remove(listener);
2720            remainingListeners = checkListeners();
2721        }
2722        if (remainingListeners) {
2723            switchToBackground();
2724        }
2725    }
2726
2727    public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2728        final boolean remainingListeners;
2729        synchronized (LISTENER_LOCK) {
2730            remainingListeners = checkListeners();
2731            if (!this.mOnCaptchaRequested.add(listener)) {
2732                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnCaptchaRequestListener");
2733            }
2734        }
2735        if (remainingListeners) {
2736            switchToForeground();
2737        }
2738    }
2739
2740    public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
2741        final boolean remainingListeners;
2742        synchronized (LISTENER_LOCK) {
2743            this.mOnCaptchaRequested.remove(listener);
2744            remainingListeners = checkListeners();
2745        }
2746        if (remainingListeners) {
2747            switchToBackground();
2748        }
2749    }
2750
2751    public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
2752        final boolean remainingListeners;
2753        synchronized (LISTENER_LOCK) {
2754            remainingListeners = checkListeners();
2755            if (!this.mOnRosterUpdates.add(listener)) {
2756                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnRosterUpdateListener");
2757            }
2758        }
2759        if (remainingListeners) {
2760            switchToForeground();
2761        }
2762    }
2763
2764    public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
2765        final boolean remainingListeners;
2766        synchronized (LISTENER_LOCK) {
2767            this.mOnRosterUpdates.remove(listener);
2768            remainingListeners = checkListeners();
2769        }
2770        if (remainingListeners) {
2771            switchToBackground();
2772        }
2773    }
2774
2775    public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2776        final boolean remainingListeners;
2777        synchronized (LISTENER_LOCK) {
2778            remainingListeners = checkListeners();
2779            if (!this.mOnUpdateBlocklist.add(listener)) {
2780                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnUpdateBlocklistListener");
2781            }
2782        }
2783        if (remainingListeners) {
2784            switchToForeground();
2785        }
2786    }
2787
2788    public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
2789        final boolean remainingListeners;
2790        synchronized (LISTENER_LOCK) {
2791            this.mOnUpdateBlocklist.remove(listener);
2792            remainingListeners = checkListeners();
2793        }
2794        if (remainingListeners) {
2795            switchToBackground();
2796        }
2797    }
2798
2799    public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
2800        final boolean remainingListeners;
2801        synchronized (LISTENER_LOCK) {
2802            remainingListeners = checkListeners();
2803            if (!this.mOnKeyStatusUpdated.add(listener)) {
2804                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnKeyStatusUpdateListener");
2805            }
2806        }
2807        if (remainingListeners) {
2808            switchToForeground();
2809        }
2810    }
2811
2812    public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2813        final boolean remainingListeners;
2814        synchronized (LISTENER_LOCK) {
2815            this.mOnKeyStatusUpdated.remove(listener);
2816            remainingListeners = checkListeners();
2817        }
2818        if (remainingListeners) {
2819            switchToBackground();
2820        }
2821    }
2822
2823    public void setOnRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2824        final boolean remainingListeners;
2825        synchronized (LISTENER_LOCK) {
2826            remainingListeners = checkListeners();
2827            if (!this.onJingleRtpConnectionUpdate.add(listener)) {
2828                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnJingleRtpConnectionUpdate");
2829            }
2830        }
2831        if (remainingListeners) {
2832            switchToForeground();
2833        }
2834    }
2835
2836    public void removeRtpConnectionUpdateListener(final OnJingleRtpConnectionUpdate listener) {
2837        final boolean remainingListeners;
2838        synchronized (LISTENER_LOCK) {
2839            this.onJingleRtpConnectionUpdate.remove(listener);
2840            remainingListeners = checkListeners();
2841        }
2842        if (remainingListeners) {
2843            switchToBackground();
2844        }
2845    }
2846
2847    public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2848        final boolean remainingListeners;
2849        synchronized (LISTENER_LOCK) {
2850            remainingListeners = checkListeners();
2851            if (!this.mOnMucRosterUpdate.add(listener)) {
2852                Log.w(Config.LOGTAG, listener.getClass().getName() + " is already registered as OnMucRosterListener");
2853            }
2854        }
2855        if (remainingListeners) {
2856            switchToForeground();
2857        }
2858    }
2859
2860    public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2861        final boolean remainingListeners;
2862        synchronized (LISTENER_LOCK) {
2863            this.mOnMucRosterUpdate.remove(listener);
2864            remainingListeners = checkListeners();
2865        }
2866        if (remainingListeners) {
2867            switchToBackground();
2868        }
2869    }
2870
2871    public boolean checkListeners() {
2872        return (this.mOnAccountUpdates.size() == 0
2873                && this.mOnConversationUpdates.size() == 0
2874                && this.mOnRosterUpdates.size() == 0
2875                && this.mOnCaptchaRequested.size() == 0
2876                && this.mOnMucRosterUpdate.size() == 0
2877                && this.mOnUpdateBlocklist.size() == 0
2878                && this.mOnShowErrorToasts.size() == 0
2879                && this.onJingleRtpConnectionUpdate.size() == 0
2880                && this.mOnKeyStatusUpdated.size() == 0);
2881    }
2882
2883    private void switchToForeground() {
2884        toggleSoftDisabled(false);
2885        final boolean broadcastLastActivity = broadcastLastActivity();
2886        for (Conversation conversation : getConversations()) {
2887            if (conversation.getMode() == Conversation.MODE_MULTI) {
2888                conversation.getMucOptions().resetChatState();
2889            } else {
2890                conversation.setIncomingChatState(Config.DEFAULT_CHAT_STATE);
2891            }
2892        }
2893        for (Account account : getAccounts()) {
2894            if (account.getStatus() == Account.State.ONLINE) {
2895                account.deactivateGracePeriod();
2896                final XmppConnection connection = account.getXmppConnection();
2897                if (connection != null) {
2898                    if (connection.getFeatures().csi()) {
2899                        connection.sendActive();
2900                    }
2901                    if (broadcastLastActivity) {
2902                        sendPresence(account, false); //send new presence but don't include idle because we are not
2903                    }
2904                }
2905            }
2906        }
2907        Log.d(Config.LOGTAG, "app switched into foreground");
2908    }
2909
2910    private void switchToBackground() {
2911        final boolean broadcastLastActivity = broadcastLastActivity();
2912        if (broadcastLastActivity) {
2913            mLastActivity = System.currentTimeMillis();
2914            final SharedPreferences.Editor editor = getPreferences().edit();
2915            editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2916            editor.apply();
2917        }
2918        for (Account account : getAccounts()) {
2919            if (account.getStatus() == Account.State.ONLINE) {
2920                XmppConnection connection = account.getXmppConnection();
2921                if (connection != null) {
2922                    if (broadcastLastActivity) {
2923                        sendPresence(account, true);
2924                    }
2925                    if (connection.getFeatures().csi()) {
2926                        connection.sendInactive();
2927                    }
2928                }
2929            }
2930        }
2931        this.mNotificationService.setIsInForeground(false);
2932        Log.d(Config.LOGTAG, "app switched into background");
2933    }
2934
2935    private void connectMultiModeConversations(Account account) {
2936        List<Conversation> conversations = getConversations();
2937        for (Conversation conversation : conversations) {
2938            if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2939                joinMuc(conversation);
2940            }
2941        }
2942    }
2943
2944    public void mucSelfPingAndRejoin(final Conversation conversation) {
2945        final Account account = conversation.getAccount();
2946        synchronized (account.inProgressConferenceJoins) {
2947            if (account.inProgressConferenceJoins.contains(conversation)) {
2948                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because join is already under way");
2949                return;
2950            }
2951        }
2952        synchronized (account.inProgressConferencePings) {
2953            if (!account.inProgressConferencePings.add(conversation)) {
2954                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": canceling muc self ping because ping is already under way");
2955                return;
2956            }
2957        }
2958        final Jid self = conversation.getMucOptions().getSelf().getFullJid();
2959        final IqPacket ping = new IqPacket(IqPacket.TYPE.GET);
2960        ping.setTo(self);
2961        ping.addChild("ping", Namespace.PING);
2962        sendIqPacket(conversation.getAccount(), ping, (a, response) -> {
2963            if (response.getType() == IqPacket.TYPE.ERROR) {
2964                Element error = response.findChild("error");
2965                if (error == null || error.hasChild("service-unavailable") || error.hasChild("feature-not-implemented") || error.hasChild("item-not-found")) {
2966                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back as ignorable error");
2967                } else {
2968                    Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " failed. attempting rejoin");
2969                    joinMuc(conversation);
2970                }
2971            } else if (response.getType() == IqPacket.TYPE.RESULT) {
2972                Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": ping to " + self + " came back fine");
2973            }
2974            synchronized (account.inProgressConferencePings) {
2975                account.inProgressConferencePings.remove(conversation);
2976            }
2977        });
2978    }
2979    public void joinMuc(Conversation conversation) {
2980        joinMuc(conversation, null, false);
2981    }
2982
2983    public void joinMuc(Conversation conversation, boolean followedInvite) {
2984        joinMuc(conversation, null, followedInvite);
2985    }
2986
2987    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2988        joinMuc(conversation, onConferenceJoined, false);
2989    }
2990
2991    private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2992        final Account account = conversation.getAccount();
2993        synchronized (account.pendingConferenceJoins) {
2994            account.pendingConferenceJoins.remove(conversation);
2995        }
2996        synchronized (account.pendingConferenceLeaves) {
2997            account.pendingConferenceLeaves.remove(conversation);
2998        }
2999        if (account.getStatus() == Account.State.ONLINE) {
3000            synchronized (account.inProgressConferenceJoins) {
3001                account.inProgressConferenceJoins.add(conversation);
3002            }
3003            if (Config.MUC_LEAVE_BEFORE_JOIN) {
3004                sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
3005            }
3006            conversation.resetMucOptions();
3007            if (onConferenceJoined != null) {
3008                conversation.getMucOptions().flagNoAutoPushConfiguration();
3009            }
3010            conversation.setHasMessagesLeftOnServer(false);
3011            fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
3012
3013                private void join(Conversation conversation) {
3014                    Account account = conversation.getAccount();
3015                    final MucOptions mucOptions = conversation.getMucOptions();
3016
3017                    if (mucOptions.nonanonymous() && !mucOptions.membersOnly() && !conversation.getBooleanAttribute("accept_non_anonymous", false)) {
3018                        synchronized (account.inProgressConferenceJoins) {
3019                            account.inProgressConferenceJoins.remove(conversation);
3020                        }
3021                        mucOptions.setError(MucOptions.Error.NON_ANONYMOUS);
3022                        updateConversationUi();
3023                        if (onConferenceJoined != null) {
3024                            onConferenceJoined.onConferenceJoined(conversation);
3025                        }
3026                        return;
3027                    }
3028
3029                    final Jid joinJid = mucOptions.getSelf().getFullJid();
3030                    Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
3031                    PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
3032                    packet.setTo(joinJid);
3033                    Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
3034                    if (conversation.getMucOptions().getPassword() != null) {
3035                        x.addChild("password").setContent(mucOptions.getPassword());
3036                    }
3037
3038                    if (mucOptions.mamSupport()) {
3039                        // Use MAM instead of the limited muc history to get history
3040                        x.addChild("history").setAttribute("maxchars", "0");
3041                    } else {
3042                        // Fallback to muc history
3043                        x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
3044                    }
3045                    sendPresencePacket(account, packet);
3046                    if (onConferenceJoined != null) {
3047                        onConferenceJoined.onConferenceJoined(conversation);
3048                    }
3049                    if (!joinJid.equals(conversation.getJid())) {
3050                        conversation.setContactJid(joinJid);
3051                        databaseBackend.updateConversation(conversation);
3052                    }
3053
3054                    if (mucOptions.mamSupport()) {
3055                        getMessageArchiveService().catchupMUC(conversation);
3056                    }
3057                    if (mucOptions.isPrivateAndNonAnonymous()) {
3058                        fetchConferenceMembers(conversation);
3059
3060                        if (followedInvite) {
3061                            final Bookmark bookmark = conversation.getBookmark();
3062                            if (bookmark != null) {
3063                                if (!bookmark.autojoin()) {
3064                                    bookmark.setAutojoin(true);
3065                                    createBookmark(account, bookmark);
3066                                }
3067                            } else {
3068                                saveConversationAsBookmark(conversation, null);
3069                            }
3070                        }
3071                    }
3072                    synchronized (account.inProgressConferenceJoins) {
3073                        account.inProgressConferenceJoins.remove(conversation);
3074                        sendUnsentMessages(conversation);
3075                    }
3076                }
3077
3078                @Override
3079                public void onConferenceConfigurationFetched(Conversation conversation) {
3080                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3081                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
3082                        return;
3083                    }
3084                    join(conversation);
3085                }
3086
3087                @Override
3088                public void onFetchFailed(final Conversation conversation, final String errorCondition) {
3089                    if (conversation.getStatus() == Conversation.STATUS_ARCHIVED) {
3090                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": conversation (" + conversation.getJid() + ") got archived before IQ result");
3091                        return;
3092                    }
3093                    if ("remote-server-not-found".equals(errorCondition)) {
3094                        synchronized (account.inProgressConferenceJoins) {
3095                            account.inProgressConferenceJoins.remove(conversation);
3096                        }
3097                        conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
3098                        updateConversationUi();
3099                    } else {
3100                        join(conversation);
3101                        fetchConferenceConfiguration(conversation);
3102                    }
3103                }
3104            });
3105            updateConversationUi();
3106        } else {
3107            synchronized (account.pendingConferenceJoins) {
3108                account.pendingConferenceJoins.add(conversation);
3109            }
3110            conversation.resetMucOptions();
3111            conversation.setHasMessagesLeftOnServer(false);
3112            updateConversationUi();
3113        }
3114    }
3115
3116    private void fetchConferenceMembers(final Conversation conversation) {
3117        final Account account = conversation.getAccount();
3118        final AxolotlService axolotlService = account.getAxolotlService();
3119        final String[] affiliations = {"member", "admin", "owner"};
3120        OnIqPacketReceived callback = new OnIqPacketReceived() {
3121
3122            private int i = 0;
3123            private boolean success = true;
3124
3125            @Override
3126            public void onIqPacketReceived(Account account, IqPacket packet) {
3127                final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
3128                Element query = packet.query("http://jabber.org/protocol/muc#admin");
3129                if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
3130                    for (Element child : query.getChildren()) {
3131                        if ("item".equals(child.getName())) {
3132                            MucOptions.User user = AbstractParser.parseItem(conversation, child);
3133                            if (!user.realJidMatchesAccount()) {
3134                                boolean isNew = conversation.getMucOptions().updateUser(user);
3135                                Contact contact = user.getContact();
3136                                if (omemoEnabled
3137                                        && isNew
3138                                        && user.getRealJid() != null
3139                                        && (contact == null || !contact.mutualPresenceSubscription())
3140                                        && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
3141                                    axolotlService.fetchDeviceIds(user.getRealJid());
3142                                }
3143                            }
3144                        }
3145                    }
3146                } else {
3147                    success = false;
3148                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
3149                }
3150                ++i;
3151                if (i >= affiliations.length) {
3152                    List<Jid> members = conversation.getMucOptions().getMembers(true);
3153                    if (success) {
3154                        List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
3155                        boolean changed = false;
3156                        for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
3157                            Jid jid = iterator.next();
3158                            if (!members.contains(jid) && !members.contains(jid.getDomain())) {
3159                                iterator.remove();
3160                                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
3161                                changed = true;
3162                            }
3163                        }
3164                        if (changed) {
3165                            conversation.setAcceptedCryptoTargets(cryptoTargets);
3166                            updateConversation(conversation);
3167                        }
3168                    }
3169                    getAvatarService().clear(conversation);
3170                    updateMucRosterUi();
3171                    updateConversationUi();
3172                }
3173            }
3174        };
3175        for (String affiliation : affiliations) {
3176            sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
3177        }
3178        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
3179    }
3180
3181    public void providePasswordForMuc(Conversation conversation, String password) {
3182        if (conversation.getMode() == Conversation.MODE_MULTI) {
3183            conversation.getMucOptions().setPassword(password);
3184            if (conversation.getBookmark() != null) {
3185                final Bookmark bookmark = conversation.getBookmark();
3186                if (synchronizeWithBookmarks()) {
3187                    bookmark.setAutojoin(true);
3188                }
3189                createBookmark(conversation.getAccount(), bookmark);
3190            }
3191            updateConversation(conversation);
3192            joinMuc(conversation);
3193        }
3194    }
3195
3196    public void deleteAvatar(final Account account) {
3197        final AtomicBoolean executed = new AtomicBoolean(false);
3198        final Runnable onDeleted =
3199                () -> {
3200                    if (executed.compareAndSet(false, true)) {
3201                        account.setAvatar(null);
3202                        databaseBackend.updateAccount(account);
3203                        getAvatarService().clear(account);
3204                        updateAccountUi();
3205                    }
3206                };
3207        deleteVcardAvatar(account, onDeleted);
3208        deletePepNode(account, Namespace.AVATAR_DATA);
3209        deletePepNode(account, Namespace.AVATAR_METADATA, onDeleted);
3210    }
3211
3212    public void deletePepNode(final Account account, final String node) {
3213        deletePepNode(account, node, null);
3214    }
3215
3216    private void deletePepNode(final Account account, final String node, final Runnable runnable) {
3217        final IqPacket request = mIqGenerator.deleteNode(node);
3218        sendIqPacket(account, request, (a, packet) -> {
3219            if (packet.getType() == IqPacket.TYPE.RESULT) {
3220                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": successfully deleted pep node "+node);
3221                if (runnable != null) {
3222                    runnable.run();
3223                }
3224            } else {
3225                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": failed to delete "+ packet);
3226            }
3227        });
3228    }
3229
3230    private void deleteVcardAvatar(final Account account, @NonNull final Runnable runnable) {
3231        final IqPacket retrieveVcard = mIqGenerator.retrieveVcardAvatar(account.getJid().asBareJid());
3232        sendIqPacket(account, retrieveVcard, (a, response) -> {
3233            if (response.getType() != IqPacket.TYPE.RESULT) {
3234                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": no vCard set. nothing to do");
3235                return;
3236            }
3237            final Element vcard = response.findChild("vCard", "vcard-temp");
3238            if (vcard == null) {
3239                Log.d(Config.LOGTAG,a.getJid().asBareJid()+": no vCard set. nothing to do");
3240                return;
3241            }
3242            Element photo = vcard.findChild("PHOTO");
3243            if (photo == null) {
3244                photo = vcard.addChild("PHOTO");
3245            }
3246            photo.clearChildren();
3247            IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3248            publication.setTo(a.getJid().asBareJid());
3249            publication.addChild(vcard);
3250            sendIqPacket(account, publication, (a1, publicationResponse) -> {
3251                if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3252                    Log.d(Config.LOGTAG,a1.getJid().asBareJid()+": successfully deleted vcard avatar");
3253                    runnable.run();
3254                } else {
3255                    Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3256                }
3257            });
3258        });
3259    }
3260
3261    private boolean hasEnabledAccounts() {
3262        if (this.accounts == null) {
3263            return false;
3264        }
3265        for (final Account account : this.accounts) {
3266            if (account.isConnectionEnabled()) {
3267                return true;
3268            }
3269        }
3270        return false;
3271    }
3272
3273
3274    public void getAttachments(final Conversation conversation, int limit, final OnMediaLoaded onMediaLoaded) {
3275        getAttachments(conversation.getAccount(), conversation.getJid().asBareJid(), limit, onMediaLoaded);
3276    }
3277
3278    public void getAttachments(final Account account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3279        getAttachments(account.getUuid(), jid.asBareJid(), limit, onMediaLoaded);
3280    }
3281
3282
3283    public void getAttachments(final String account, final Jid jid, final int limit, final OnMediaLoaded onMediaLoaded) {
3284        new Thread(() -> onMediaLoaded.onMediaLoaded(fileBackend.convertToAttachments(databaseBackend.getRelativeFilePaths(account, jid, limit)))).start();
3285    }
3286
3287    public void persistSelfNick(MucOptions.User self) {
3288        final Conversation conversation = self.getConversation();
3289        final boolean tookProposedNickFromBookmark = conversation.getMucOptions().isTookProposedNickFromBookmark();
3290        Jid full = self.getFullJid();
3291        if (!full.equals(conversation.getJid())) {
3292            Log.d(Config.LOGTAG, "nick changed. updating");
3293            conversation.setContactJid(full);
3294            databaseBackend.updateConversation(conversation);
3295        }
3296
3297        final Bookmark bookmark = conversation.getBookmark();
3298        final String bookmarkedNick = bookmark == null ? null : bookmark.getNick();
3299        if (bookmark != null && (tookProposedNickFromBookmark || TextUtils.isEmpty(bookmarkedNick)) && !full.getResource().equals(bookmarkedNick)) {
3300            final Account account = conversation.getAccount();
3301            final String defaultNick = MucOptions.defaultNick(account);
3302            if (TextUtils.isEmpty(bookmarkedNick) && full.getResource().equals(defaultNick)) {
3303                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": do not overwrite empty bookmark nick with default nick for " + conversation.getJid().asBareJid());
3304                return;
3305            }
3306            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": persist nick '" + full.getResource() + "' into bookmark for " + conversation.getJid().asBareJid());
3307            bookmark.setNick(full.getResource());
3308            createBookmark(bookmark.getAccount(), bookmark);
3309        }
3310    }
3311
3312    public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
3313        final MucOptions options = conversation.getMucOptions();
3314        final Jid joinJid = options.createJoinJid(nick);
3315        if (joinJid == null) {
3316            return false;
3317        }
3318        if (options.online()) {
3319            Account account = conversation.getAccount();
3320            options.setOnRenameListener(new OnRenameListener() {
3321
3322                @Override
3323                public void onSuccess() {
3324                    callback.success(conversation);
3325                }
3326
3327                @Override
3328                public void onFailure() {
3329                    callback.error(R.string.nick_in_use, conversation);
3330                }
3331            });
3332
3333            final PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, options.nonanonymous());
3334            packet.setTo(joinJid);
3335            sendPresencePacket(account, packet);
3336        } else {
3337            conversation.setContactJid(joinJid);
3338            databaseBackend.updateConversation(conversation);
3339            if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
3340                Bookmark bookmark = conversation.getBookmark();
3341                if (bookmark != null) {
3342                    bookmark.setNick(nick);
3343                    createBookmark(bookmark.getAccount(), bookmark);
3344                }
3345                joinMuc(conversation);
3346            }
3347        }
3348        return true;
3349    }
3350
3351    public void leaveMuc(Conversation conversation) {
3352        leaveMuc(conversation, false);
3353    }
3354
3355    private void leaveMuc(Conversation conversation, boolean now) {
3356        final Account account = conversation.getAccount();
3357        synchronized (account.pendingConferenceJoins) {
3358            account.pendingConferenceJoins.remove(conversation);
3359        }
3360        synchronized (account.pendingConferenceLeaves) {
3361            account.pendingConferenceLeaves.remove(conversation);
3362        }
3363        if (account.getStatus() == Account.State.ONLINE || now) {
3364            sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
3365            conversation.getMucOptions().setOffline();
3366            Bookmark bookmark = conversation.getBookmark();
3367            if (bookmark != null) {
3368                bookmark.setConversation(null);
3369            }
3370            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
3371        } else {
3372            synchronized (account.pendingConferenceLeaves) {
3373                account.pendingConferenceLeaves.add(conversation);
3374            }
3375        }
3376    }
3377
3378    public String findConferenceServer(final Account account) {
3379        String server;
3380        if (account.getXmppConnection() != null) {
3381            server = account.getXmppConnection().getMucServer();
3382            if (server != null) {
3383                return server;
3384            }
3385        }
3386        for (Account other : getAccounts()) {
3387            if (other != account && other.getXmppConnection() != null) {
3388                server = other.getXmppConnection().getMucServer();
3389                if (server != null) {
3390                    return server;
3391                }
3392            }
3393        }
3394        return null;
3395    }
3396
3397
3398    public void createPublicChannel(final Account account, final String name, final Jid address, final UiCallback<Conversation> callback) {
3399        joinMuc(findOrCreateConversation(account, address, true, false, true), conversation -> {
3400            final Bundle configuration = IqGenerator.defaultChannelConfiguration();
3401            if (!TextUtils.isEmpty(name)) {
3402                configuration.putString("muc#roomconfig_roomname", name);
3403            }
3404            pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3405                @Override
3406                public void onPushSucceeded() {
3407                    saveConversationAsBookmark(conversation, name);
3408                    callback.success(conversation);
3409                }
3410
3411                @Override
3412                public void onPushFailed() {
3413                    if (conversation.getMucOptions().getSelf().getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
3414                        callback.error(R.string.unable_to_set_channel_configuration, conversation);
3415                    } else {
3416                        callback.error(R.string.joined_an_existing_channel, conversation);
3417                    }
3418                }
3419            });
3420        });
3421    }
3422
3423    public boolean createAdhocConference(final Account account,
3424                                         final String name,
3425                                         final Iterable<Jid> jids,
3426                                         final UiCallback<Conversation> callback) {
3427        Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
3428        if (account.getStatus() == Account.State.ONLINE) {
3429            try {
3430                String server = findConferenceServer(account);
3431                if (server == null) {
3432                    if (callback != null) {
3433                        callback.error(R.string.no_conference_server_found, null);
3434                    }
3435                    return false;
3436                }
3437                final Jid jid = Jid.of(CryptoHelper.pronounceable(), server, null);
3438                final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
3439                joinMuc(conversation, new OnConferenceJoined() {
3440                    @Override
3441                    public void onConferenceJoined(final Conversation conversation) {
3442                        final Bundle configuration = IqGenerator.defaultGroupChatConfiguration();
3443                        if (!TextUtils.isEmpty(name)) {
3444                            configuration.putString("muc#roomconfig_roomname", name);
3445                        }
3446                        pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
3447                            @Override
3448                            public void onPushSucceeded() {
3449                                for (Jid invite : jids) {
3450                                    invite(conversation, invite);
3451                                }
3452                                for (String resource : account.getSelfContact().getPresences().toResourceArray()) {
3453                                    Jid other = account.getJid().withResource(resource);
3454                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending direct invite to " + other);
3455                                    directInvite(conversation, other);
3456                                }
3457                                saveConversationAsBookmark(conversation, name);
3458                                if (callback != null) {
3459                                    callback.success(conversation);
3460                                }
3461                            }
3462
3463                            @Override
3464                            public void onPushFailed() {
3465                                archiveConversation(conversation);
3466                                if (callback != null) {
3467                                    callback.error(R.string.conference_creation_failed, conversation);
3468                                }
3469                            }
3470                        });
3471                    }
3472                });
3473                return true;
3474            } catch (IllegalArgumentException e) {
3475                if (callback != null) {
3476                    callback.error(R.string.conference_creation_failed, null);
3477                }
3478                return false;
3479            }
3480        } else {
3481            if (callback != null) {
3482                callback.error(R.string.not_connected_try_again, null);
3483            }
3484            return false;
3485        }
3486    }
3487
3488    public void fetchConferenceConfiguration(final Conversation conversation) {
3489        fetchConferenceConfiguration(conversation, null);
3490    }
3491
3492    public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
3493        IqPacket request = mIqGenerator.queryDiscoInfo(conversation.getJid().asBareJid());
3494        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3495            @Override
3496            public void onIqPacketReceived(Account account, IqPacket packet) {
3497                if (packet.getType() == IqPacket.TYPE.RESULT) {
3498                    final MucOptions mucOptions = conversation.getMucOptions();
3499                    final Bookmark bookmark = conversation.getBookmark();
3500                    final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
3501
3502                    if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
3503                        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
3504                        updateConversation(conversation);
3505                    }
3506
3507                    if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
3508                        if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
3509                            createBookmark(account, bookmark);
3510                        }
3511                    }
3512
3513
3514                    if (callback != null) {
3515                        callback.onConferenceConfigurationFetched(conversation);
3516                    }
3517
3518
3519                    updateConversationUi();
3520                } else if (packet.getType() == IqPacket.TYPE.TIMEOUT) {
3521                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received timeout waiting for conference configuration fetch");
3522                } else {
3523                    if (callback != null) {
3524                        callback.onFetchFailed(conversation, packet.getErrorCondition());
3525                    }
3526                }
3527            }
3528        });
3529    }
3530
3531    public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
3532        pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
3533    }
3534
3535    public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
3536        Log.d(Config.LOGTAG, "pushing node configuration");
3537        sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
3538            @Override
3539            public void onIqPacketReceived(Account account, IqPacket packet) {
3540                if (packet.getType() == IqPacket.TYPE.RESULT) {
3541                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
3542                    Element configuration = pubsub == null ? null : pubsub.findChild("configure");
3543                    Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
3544                    if (x != null) {
3545                        Data data = Data.parse(x);
3546                        data.submit(options);
3547                        sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
3548                            @Override
3549                            public void onIqPacketReceived(Account account, IqPacket packet) {
3550                                if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
3551                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": successfully changed node configuration for node " + node);
3552                                    callback.onPushSucceeded();
3553                                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3554                                    callback.onPushFailed();
3555                                }
3556                            }
3557                        });
3558                    } else if (callback != null) {
3559                        callback.onPushFailed();
3560                    }
3561                } else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
3562                    callback.onPushFailed();
3563                }
3564            }
3565        });
3566    }
3567
3568    public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
3569        if (options.getString("muc#roomconfig_whois", "moderators").equals("anyone")) {
3570            conversation.setAttribute("accept_non_anonymous", true);
3571            updateConversation(conversation);
3572        }
3573        if (options.containsKey("muc#roomconfig_moderatedroom")) {
3574            final boolean moderated = "1".equals(options.getString("muc#roomconfig_moderatedroom"));
3575            options.putString("members_by_default", moderated ? "0" : "1");
3576        }
3577        final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3578        request.setTo(conversation.getJid().asBareJid());
3579        request.query("http://jabber.org/protocol/muc#owner");
3580        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3581            @Override
3582            public void onIqPacketReceived(Account account, IqPacket packet) {
3583                if (packet.getType() == IqPacket.TYPE.RESULT) {
3584                    final Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
3585                    data.submit(options);
3586                    final IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3587                    set.setTo(conversation.getJid().asBareJid());
3588                    set.query("http://jabber.org/protocol/muc#owner").addChild(data);
3589                    sendIqPacket(account, set, new OnIqPacketReceived() {
3590                        @Override
3591                        public void onIqPacketReceived(Account account, IqPacket packet) {
3592                            if (callback != null) {
3593                                if (packet.getType() == IqPacket.TYPE.RESULT) {
3594                                    callback.onPushSucceeded();
3595                                } else {
3596                                    callback.onPushFailed();
3597                                }
3598                            }
3599                        }
3600                    });
3601                } else {
3602                    if (callback != null) {
3603                        callback.onPushFailed();
3604                    }
3605                }
3606            }
3607        });
3608    }
3609
3610    public void pushSubjectToConference(final Conversation conference, final String subject) {
3611        MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
3612        this.sendMessagePacket(conference.getAccount(), packet);
3613    }
3614
3615    public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
3616        final Jid jid = user.asBareJid();
3617        final IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
3618        sendIqPacket(conference.getAccount(), request, (account, response) -> {
3619            if (response.getType() == IqPacket.TYPE.RESULT) {
3620                conference.getMucOptions().changeAffiliation(jid, affiliation);
3621                getAvatarService().clear(conference);
3622                if (callback != null) {
3623                    callback.onAffiliationChangedSuccessful(jid);
3624                } else {
3625                    Log.d(Config.LOGTAG, "changed affiliation of " + user + " to " + affiliation);
3626                }
3627            } else if (callback != null) {
3628                callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
3629            } else {
3630                Log.d(Config.LOGTAG, "unable to change affiliation");
3631            }
3632        });
3633    }
3634
3635    public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role) {
3636        IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
3637        sendIqPacket(conference.getAccount(), request, (account, packet) -> {
3638            if (packet.getType() != IqPacket.TYPE.RESULT) {
3639                Log.d(Config.LOGTAG, account.getJid().asBareJid() + " unable to change role of " + nick);
3640            }
3641        });
3642    }
3643
3644    public void destroyRoom(final Conversation conversation, final OnRoomDestroy callback) {
3645        IqPacket request = new IqPacket(IqPacket.TYPE.SET);
3646        request.setTo(conversation.getJid().asBareJid());
3647        request.query("http://jabber.org/protocol/muc#owner").addChild("destroy");
3648        sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
3649            @Override
3650            public void onIqPacketReceived(Account account, IqPacket packet) {
3651                if (packet.getType() == IqPacket.TYPE.RESULT) {
3652                    if (callback != null) {
3653                        callback.onRoomDestroySucceeded();
3654                    }
3655                } else if (packet.getType() == IqPacket.TYPE.ERROR) {
3656                    if (callback != null) {
3657                        callback.onRoomDestroyFailed();
3658                    }
3659                }
3660            }
3661        });
3662    }
3663
3664    private void disconnect(final Account account, boolean force) {
3665        final XmppConnection connection = account.getXmppConnection();
3666        if (connection == null) {
3667            return;
3668        }
3669        if (!force) {
3670            final List<Conversation> conversations = getConversations();
3671            for (Conversation conversation : conversations) {
3672                if (conversation.getAccount() == account) {
3673                    if (conversation.getMode() == Conversation.MODE_MULTI) {
3674                        leaveMuc(conversation, true);
3675                    }
3676                }
3677            }
3678            sendOfflinePresence(account);
3679        }
3680        connection.disconnect(force);
3681    }
3682
3683    @Override
3684    public IBinder onBind(Intent intent) {
3685        return mBinder;
3686    }
3687
3688    public void updateMessage(Message message) {
3689        updateMessage(message, true);
3690    }
3691
3692    public void updateMessage(Message message, boolean includeBody) {
3693        databaseBackend.updateMessage(message, includeBody);
3694        updateConversationUi();
3695    }
3696
3697    public void createMessageAsync(final Message message) {
3698        mDatabaseWriterExecutor.execute(() -> databaseBackend.createMessage(message));
3699    }
3700
3701    public void updateMessage(Message message, String uuid) {
3702        if (!databaseBackend.updateMessage(message, uuid)) {
3703            Log.e(Config.LOGTAG, "error updated message in DB after edit");
3704        }
3705        updateConversationUi();
3706    }
3707
3708    protected void syncDirtyContacts(Account account) {
3709        for (Contact contact : account.getRoster().getContacts()) {
3710            if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
3711                pushContactToServer(contact);
3712            }
3713            if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
3714                deleteContactOnServer(contact);
3715            }
3716        }
3717    }
3718
3719    public void createContact(final Contact contact, final boolean autoGrant) {
3720        createContact(contact, autoGrant, null);
3721    }
3722
3723    public void createContact(final Contact contact, final boolean autoGrant, final String preAuth) {
3724        if (autoGrant) {
3725            contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
3726            contact.setOption(Contact.Options.ASKING);
3727        }
3728        pushContactToServer(contact, preAuth);
3729    }
3730
3731    public void pushContactToServer(final Contact contact) {
3732        pushContactToServer(contact, null);
3733    }
3734
3735    private void pushContactToServer(final Contact contact, final String preAuth) {
3736        contact.resetOption(Contact.Options.DIRTY_DELETE);
3737        contact.setOption(Contact.Options.DIRTY_PUSH);
3738        final Account account = contact.getAccount();
3739        if (account.getStatus() == Account.State.ONLINE) {
3740            final boolean ask = contact.getOption(Contact.Options.ASKING);
3741            final boolean sendUpdates = contact
3742                    .getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
3743                    && contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
3744            final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3745            iq.query(Namespace.ROSTER).addChild(contact.asElement());
3746            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3747            if (sendUpdates) {
3748                sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
3749            }
3750            if (ask) {
3751                sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact, preAuth));
3752            }
3753        } else {
3754            syncRoster(contact.getAccount());
3755        }
3756    }
3757
3758    public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
3759        new Thread(() -> {
3760            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3761            final int size = Config.AVATAR_SIZE;
3762            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3763            if (avatar != null) {
3764                if (!getFileBackend().save(avatar)) {
3765                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3766                    return;
3767                }
3768                avatar.owner = conversation.getJid().asBareJid();
3769                publishMucAvatar(conversation, avatar, callback);
3770            } else {
3771                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3772            }
3773        }).start();
3774    }
3775
3776    public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
3777        new Thread(() -> {
3778            final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
3779            final int size = Config.AVATAR_SIZE;
3780            final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
3781            if (avatar != null) {
3782                if (!getFileBackend().save(avatar)) {
3783                    Log.d(Config.LOGTAG, "unable to save vcard");
3784                    callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
3785                    return;
3786                }
3787                publishAvatar(account, avatar, callback);
3788            } else {
3789                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
3790            }
3791        }).start();
3792
3793    }
3794
3795    private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
3796        final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
3797        sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
3798            boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
3799            if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
3800                Element vcard = response.findChild("vCard", "vcard-temp");
3801                if (vcard == null) {
3802                    vcard = new Element("vCard", "vcard-temp");
3803                }
3804                Element photo = vcard.findChild("PHOTO");
3805                if (photo == null) {
3806                    photo = vcard.addChild("PHOTO");
3807                }
3808                photo.clearChildren();
3809                photo.addChild("TYPE").setContent(avatar.type);
3810                photo.addChild("BINVAL").setContent(avatar.image);
3811                IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
3812                publication.setTo(conversation.getJid().asBareJid());
3813                publication.addChild(vcard);
3814                sendIqPacket(account, publication, (a1, publicationResponse) -> {
3815                    if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
3816                        callback.onAvatarPublicationSucceeded();
3817                    } else {
3818                        Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getErrorCondition());
3819                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3820                    }
3821                });
3822            } else {
3823                Log.d(Config.LOGTAG, "failed to request vcard " + response);
3824                callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
3825            }
3826        });
3827    }
3828
3829    public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
3830        final Bundle options;
3831        if (account.getXmppConnection().getFeatures().pepPublishOptions()) {
3832            options = PublishOptions.openAccess();
3833        } else {
3834            options = null;
3835        }
3836        publishAvatar(account, avatar, options, true, callback);
3837    }
3838
3839    public void publishAvatar(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3840        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": publishing avatar. options=" + options);
3841        IqPacket packet = this.mIqGenerator.publishAvatar(avatar, options);
3842        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3843
3844            @Override
3845            public void onIqPacketReceived(Account account, IqPacket result) {
3846                if (result.getType() == IqPacket.TYPE.RESULT) {
3847                    publishAvatarMetadata(account, avatar, options, true, callback);
3848                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3849                    pushNodeConfiguration(account, Namespace.AVATAR_DATA, options, new OnConfigurationPushed() {
3850                        @Override
3851                        public void onPushSucceeded() {
3852                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar node");
3853                            publishAvatar(account, avatar, options, false, callback);
3854                        }
3855
3856                        @Override
3857                        public void onPushFailed() {
3858                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar node");
3859                            publishAvatar(account, avatar, null, false, callback);
3860                        }
3861                    });
3862                } else {
3863                    Element error = result.findChild("error");
3864                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
3865                    if (callback != null) {
3866                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3867                    }
3868                }
3869            }
3870        });
3871    }
3872
3873    public void publishAvatarMetadata(Account account, final Avatar avatar, final Bundle options, final boolean retry, final OnAvatarPublication callback) {
3874        final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar, options);
3875        sendIqPacket(account, packet, new OnIqPacketReceived() {
3876            @Override
3877            public void onIqPacketReceived(Account account, IqPacket result) {
3878                if (result.getType() == IqPacket.TYPE.RESULT) {
3879                    if (account.setAvatar(avatar.getFilename())) {
3880                        getAvatarService().clear(account);
3881                        databaseBackend.updateAccount(account);
3882                        notifyAccountAvatarHasChanged(account);
3883                    }
3884                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
3885                    if (callback != null) {
3886                        callback.onAvatarPublicationSucceeded();
3887                    }
3888                } else if (retry && PublishOptions.preconditionNotMet(result)) {
3889                    pushNodeConfiguration(account, Namespace.AVATAR_METADATA, options, new OnConfigurationPushed() {
3890                        @Override
3891                        public void onPushSucceeded() {
3892                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": changed node configuration for avatar meta data node");
3893                            publishAvatarMetadata(account, avatar, options, false, callback);
3894                        }
3895
3896                        @Override
3897                        public void onPushFailed() {
3898                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to change node configuration for avatar meta data node");
3899                            publishAvatarMetadata(account, avatar, null, false, callback);
3900                        }
3901                    });
3902                } else {
3903                    if (callback != null) {
3904                        callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
3905                    }
3906                }
3907            }
3908        });
3909    }
3910
3911    public void republishAvatarIfNeeded(Account account) {
3912        if (account.getAxolotlService().isPepBroken()) {
3913            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
3914            return;
3915        }
3916        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
3917        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
3918
3919            private Avatar parseAvatar(IqPacket packet) {
3920                Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
3921                if (pubsub != null) {
3922                    Element items = pubsub.findChild("items");
3923                    if (items != null) {
3924                        return Avatar.parseMetadata(items);
3925                    }
3926                }
3927                return null;
3928            }
3929
3930            private boolean errorIsItemNotFound(IqPacket packet) {
3931                Element error = packet.findChild("error");
3932                return packet.getType() == IqPacket.TYPE.ERROR
3933                        && error != null
3934                        && error.hasChild("item-not-found");
3935            }
3936
3937            @Override
3938            public void onIqPacketReceived(Account account, IqPacket packet) {
3939                if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
3940                    Avatar serverAvatar = parseAvatar(packet);
3941                    if (serverAvatar == null && account.getAvatar() != null) {
3942                        Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
3943                        if (avatar != null) {
3944                            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
3945                            publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
3946                        } else {
3947                            Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
3948                        }
3949                    }
3950                }
3951            }
3952        });
3953    }
3954
3955    public void fetchAvatar(Account account, Avatar avatar) {
3956        fetchAvatar(account, avatar, null);
3957    }
3958
3959    public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3960        final String KEY = generateFetchKey(account, avatar);
3961        synchronized (this.mInProgressAvatarFetches) {
3962            if (mInProgressAvatarFetches.add(KEY)) {
3963                switch (avatar.origin) {
3964                    case PEP:
3965                        this.mInProgressAvatarFetches.add(KEY);
3966                        fetchAvatarPep(account, avatar, callback);
3967                        break;
3968                    case VCARD:
3969                        this.mInProgressAvatarFetches.add(KEY);
3970                        fetchAvatarVcard(account, avatar, callback);
3971                        break;
3972                }
3973            } else if (avatar.origin == Avatar.Origin.PEP) {
3974                mOmittedPepAvatarFetches.add(KEY);
3975            } else {
3976                Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": already fetching " + avatar.origin + " avatar for " + avatar.owner);
3977            }
3978        }
3979    }
3980
3981    private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
3982        IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
3983        sendIqPacket(account, packet, (a, result) -> {
3984            synchronized (mInProgressAvatarFetches) {
3985                mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
3986            }
3987            final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
3988            if (result.getType() == IqPacket.TYPE.RESULT) {
3989                avatar.image = mIqParser.avatarData(result);
3990                if (avatar.image != null) {
3991                    if (getFileBackend().save(avatar)) {
3992                        if (a.getJid().asBareJid().equals(avatar.owner)) {
3993                            if (a.setAvatar(avatar.getFilename())) {
3994                                databaseBackend.updateAccount(a);
3995                            }
3996                            getAvatarService().clear(a);
3997                            updateConversationUi();
3998                            updateAccountUi();
3999                        } else {
4000                            final Contact contact = a.getRoster().getContact(avatar.owner);
4001                            contact.setAvatar(avatar);
4002                            syncRoster(account);
4003                            getAvatarService().clear(contact);
4004                            updateConversationUi();
4005                            updateRosterUi();
4006                        }
4007                        if (callback != null) {
4008                            callback.success(avatar);
4009                        }
4010                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": successfully fetched pep avatar for " + avatar.owner);
4011                        return;
4012                    }
4013                } else {
4014
4015                    Log.d(Config.LOGTAG, ERROR + "(parsing error)");
4016                }
4017            } else {
4018                Element error = result.findChild("error");
4019                if (error == null) {
4020                    Log.d(Config.LOGTAG, ERROR + "(server error)");
4021                } else {
4022                    Log.d(Config.LOGTAG, ERROR + error.toString());
4023                }
4024            }
4025            if (callback != null) {
4026                callback.error(0, null);
4027            }
4028
4029        });
4030    }
4031
4032    private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
4033        IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
4034        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
4035            @Override
4036            public void onIqPacketReceived(Account account, IqPacket packet) {
4037                final boolean previouslyOmittedPepFetch;
4038                synchronized (mInProgressAvatarFetches) {
4039                    final String KEY = generateFetchKey(account, avatar);
4040                    mInProgressAvatarFetches.remove(KEY);
4041                    previouslyOmittedPepFetch = mOmittedPepAvatarFetches.remove(KEY);
4042                }
4043                if (packet.getType() == IqPacket.TYPE.RESULT) {
4044                    Element vCard = packet.findChild("vCard", "vcard-temp");
4045                    Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
4046                    String image = photo != null ? photo.findChildContent("BINVAL") : null;
4047                    if (image != null) {
4048                        avatar.image = image;
4049                        if (getFileBackend().save(avatar)) {
4050                            Log.d(Config.LOGTAG, account.getJid().asBareJid()
4051                                    + ": successfully fetched vCard avatar for " + avatar.owner + " omittedPep=" + previouslyOmittedPepFetch);
4052                            if (avatar.owner.isBareJid()) {
4053                                if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
4054                                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
4055                                    account.setAvatar(avatar.getFilename());
4056                                    databaseBackend.updateAccount(account);
4057                                    getAvatarService().clear(account);
4058                                    updateAccountUi();
4059                                } else {
4060                                    final Contact contact = account.getRoster().getContact(avatar.owner);
4061                                    contact.setAvatar(avatar, previouslyOmittedPepFetch);
4062                                    syncRoster(account);
4063                                    getAvatarService().clear(contact);
4064                                    updateRosterUi();
4065                                }
4066                                updateConversationUi();
4067                            } else {
4068                                Conversation conversation = find(account, avatar.owner.asBareJid());
4069                                if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
4070                                    MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
4071                                    if (user != null) {
4072                                        if (user.setAvatar(avatar)) {
4073                                            getAvatarService().clear(user);
4074                                            updateConversationUi();
4075                                            updateMucRosterUi();
4076                                        }
4077                                        if (user.getRealJid() != null) {
4078                                            Contact contact = account.getRoster().getContact(user.getRealJid());
4079                                            contact.setAvatar(avatar);
4080                                            syncRoster(account);
4081                                            getAvatarService().clear(contact);
4082                                            updateRosterUi();
4083                                        }
4084                                    }
4085                                }
4086                            }
4087                        }
4088                    }
4089                }
4090            }
4091        });
4092    }
4093
4094    public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
4095        IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
4096        this.sendIqPacket(account, packet, new OnIqPacketReceived() {
4097
4098            @Override
4099            public void onIqPacketReceived(Account account, IqPacket packet) {
4100                if (packet.getType() == IqPacket.TYPE.RESULT) {
4101                    Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
4102                    if (pubsub != null) {
4103                        Element items = pubsub.findChild("items");
4104                        if (items != null) {
4105                            Avatar avatar = Avatar.parseMetadata(items);
4106                            if (avatar != null) {
4107                                avatar.owner = account.getJid().asBareJid();
4108                                if (fileBackend.isAvatarCached(avatar)) {
4109                                    if (account.setAvatar(avatar.getFilename())) {
4110                                        databaseBackend.updateAccount(account);
4111                                    }
4112                                    getAvatarService().clear(account);
4113                                    callback.success(avatar);
4114                                } else {
4115                                    fetchAvatarPep(account, avatar, callback);
4116                                }
4117                                return;
4118                            }
4119                        }
4120                    }
4121                }
4122                callback.error(0, null);
4123            }
4124        });
4125    }
4126
4127    public void notifyAccountAvatarHasChanged(final Account account) {
4128        final XmppConnection connection = account.getXmppConnection();
4129        if (connection != null && connection.getFeatures().bookmarksConversion()) {
4130            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar changed. resending presence to online group chats");
4131            for (Conversation conversation : conversations) {
4132                if (conversation.getAccount() == account && conversation.getMode() == Conversational.MODE_MULTI) {
4133                    final MucOptions mucOptions = conversation.getMucOptions();
4134                    if (mucOptions.online()) {
4135                        PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
4136                        packet.setTo(mucOptions.getSelf().getFullJid());
4137                        connection.sendPresencePacket(packet);
4138                    }
4139                }
4140            }
4141        }
4142    }
4143
4144    public void deleteContactOnServer(Contact contact) {
4145        contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
4146        contact.resetOption(Contact.Options.DIRTY_PUSH);
4147        contact.setOption(Contact.Options.DIRTY_DELETE);
4148        Account account = contact.getAccount();
4149        if (account.getStatus() == Account.State.ONLINE) {
4150            IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
4151            Element item = iq.query(Namespace.ROSTER).addChild("item");
4152            item.setAttribute("jid", contact.getJid());
4153            item.setAttribute("subscription", "remove");
4154            account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
4155        }
4156    }
4157
4158    public void updateConversation(final Conversation conversation) {
4159        mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
4160    }
4161
4162    private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
4163        synchronized (account) {
4164            final XmppConnection existingConnection = account.getXmppConnection();
4165            final XmppConnection connection;
4166            if (existingConnection != null) {
4167                connection = existingConnection;
4168            } else if (account.isConnectionEnabled()) {
4169                connection = createConnection(account);
4170                account.setXmppConnection(connection);
4171            } else {
4172                return;
4173            }
4174            final boolean hasInternet = hasInternetConnection();
4175            if (account.isConnectionEnabled() && hasInternet) {
4176                if (!force) {
4177                    disconnect(account, false);
4178                }
4179                Thread thread = new Thread(connection);
4180                connection.setInteractive(interactive);
4181                connection.prepareNewConnection();
4182                connection.interrupt();
4183                thread.start();
4184                scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
4185            } else {
4186                disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
4187                account.getRoster().clearPresences();
4188                connection.resetEverything();
4189                final AxolotlService axolotlService = account.getAxolotlService();
4190                if (axolotlService != null) {
4191                    axolotlService.resetBrokenness();
4192                }
4193                if (!hasInternet) {
4194                    account.setStatus(Account.State.NO_INTERNET);
4195                }
4196            }
4197        }
4198    }
4199
4200    public void reconnectAccountInBackground(final Account account) {
4201        new Thread(() -> reconnectAccount(account, false, true)).start();
4202    }
4203
4204    public void invite(final Conversation conversation, final Jid contact) {
4205        Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
4206        final MucOptions.User user = conversation.getMucOptions().findUserByRealJid(contact.asBareJid());
4207        if (user == null || user.getAffiliation() == MucOptions.Affiliation.OUTCAST) {
4208            changeAffiliationInConference(conversation, contact, MucOptions.Affiliation.NONE, null);
4209        }
4210        final MessagePacket packet = mMessageGenerator.invite(conversation, contact);
4211        sendMessagePacket(conversation.getAccount(), packet);
4212    }
4213
4214    public void directInvite(Conversation conversation, Jid jid) {
4215        MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
4216        sendMessagePacket(conversation.getAccount(), packet);
4217    }
4218
4219    public void resetSendingToWaiting(Account account) {
4220        for (Conversation conversation : getConversations()) {
4221            if (conversation.getAccount() == account) {
4222                conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
4223            }
4224        }
4225    }
4226
4227    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
4228        return markMessage(account, recipient, uuid, status, null);
4229    }
4230
4231    public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
4232        if (uuid == null) {
4233            return null;
4234        }
4235        for (Conversation conversation : getConversations()) {
4236            if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
4237                final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
4238                if (message != null) {
4239                    markMessage(message, status, errorMessage);
4240                }
4241                return message;
4242            }
4243        }
4244        return null;
4245    }
4246
4247    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId) {
4248        return markMessage(conversation, uuid, status, serverMessageId, null);
4249    }
4250
4251    public boolean markMessage(final Conversation conversation, final String uuid, final int status, final String serverMessageId, final LocalizedContent body) {
4252        if (uuid == null) {
4253            return false;
4254        } else {
4255            final Message message = conversation.findSentMessageWithUuid(uuid);
4256            if (message != null) {
4257                if (message.getServerMsgId() == null) {
4258                    message.setServerMsgId(serverMessageId);
4259                }
4260                if (message.getEncryption() == Message.ENCRYPTION_NONE
4261                        && message.isTypeText()
4262                        && isBodyModified(message, body)) {
4263                    message.setBody(body.content);
4264                    if (body.count > 1) {
4265                        message.setBodyLanguage(body.language);
4266                    }
4267                    markMessage(message, status, null, true);
4268                } else {
4269                    markMessage(message, status);
4270                }
4271                return true;
4272            } else {
4273                return false;
4274            }
4275        }
4276    }
4277
4278    private static boolean isBodyModified(final Message message, final LocalizedContent body) {
4279        if (body == null || body.content == null) {
4280            return false;
4281        }
4282        return !body.content.equals(message.getBody());
4283    }
4284
4285    public void markMessage(Message message, int status) {
4286        markMessage(message, status, null);
4287    }
4288
4289
4290    public void markMessage(final Message message, final int status, final String errorMessage) {
4291        markMessage(message, status, errorMessage, false);
4292    }
4293
4294    public void markMessage(final Message message, final int status, final String errorMessage, final boolean includeBody) {
4295        final int oldStatus = message.getStatus();
4296        if (status == Message.STATUS_SEND_FAILED && (oldStatus == Message.STATUS_SEND_RECEIVED || oldStatus == Message.STATUS_SEND_DISPLAYED)) {
4297            return;
4298        }
4299        if (status == Message.STATUS_SEND_RECEIVED && oldStatus == Message.STATUS_SEND_DISPLAYED) {
4300            return;
4301        }
4302        message.setErrorMessage(errorMessage);
4303        message.setStatus(status);
4304        databaseBackend.updateMessage(message, includeBody);
4305        updateConversationUi();
4306        if (oldStatus != status && status == Message.STATUS_SEND_FAILED) {
4307            mNotificationService.pushFailedDelivery(message);
4308        }
4309    }
4310
4311    private SharedPreferences getPreferences() {
4312        return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
4313    }
4314
4315    public long getAutomaticMessageDeletionDate() {
4316        final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
4317        return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
4318    }
4319
4320    public long getLongPreference(String name, @IntegerRes int res) {
4321        long defaultValue = getResources().getInteger(res);
4322        try {
4323            return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
4324        } catch (NumberFormatException e) {
4325            return defaultValue;
4326        }
4327    }
4328
4329    public boolean getBooleanPreference(String name, @BoolRes int res) {
4330        return getPreferences().getBoolean(name, getResources().getBoolean(res));
4331    }
4332
4333    public boolean confirmMessages() {
4334        return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
4335    }
4336
4337    public boolean allowMessageCorrection() {
4338        return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
4339    }
4340
4341    public boolean sendChatStates() {
4342        return getBooleanPreference("chat_states", R.bool.chat_states);
4343    }
4344
4345    private boolean synchronizeWithBookmarks() {
4346        return getBooleanPreference("autojoin", R.bool.autojoin);
4347    }
4348
4349    public boolean useTorToConnect() {
4350        return QuickConversationsService.isConversations() && getBooleanPreference("use_tor", R.bool.use_tor);
4351    }
4352
4353    public boolean showExtendedConnectionOptions() {
4354        return QuickConversationsService.isConversations() && getBooleanPreference("show_connection_options", R.bool.show_connection_options);
4355    }
4356
4357    public boolean broadcastLastActivity() {
4358        return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
4359    }
4360
4361    public int unreadCount() {
4362        int count = 0;
4363        for (Conversation conversation : getConversations()) {
4364            count += conversation.unreadCount();
4365        }
4366        return count;
4367    }
4368
4369
4370    private <T> List<T> threadSafeList(Set<T> set) {
4371        synchronized (LISTENER_LOCK) {
4372            return set.size() == 0 ? Collections.emptyList() : new ArrayList<>(set);
4373        }
4374    }
4375
4376    public void showErrorToastInUi(int resId) {
4377        for (OnShowErrorToast listener : threadSafeList(this.mOnShowErrorToasts)) {
4378            listener.onShowErrorToast(resId);
4379        }
4380    }
4381
4382    public void updateConversationUi() {
4383        for (OnConversationUpdate listener : threadSafeList(this.mOnConversationUpdates)) {
4384            listener.onConversationUpdate();
4385        }
4386    }
4387
4388    public void notifyJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state) {
4389        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4390            listener.onJingleRtpConnectionUpdate(account, with, sessionId, state);
4391        }
4392    }
4393
4394    public void notifyJingleRtpConnectionUpdate(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices) {
4395        for (OnJingleRtpConnectionUpdate listener : threadSafeList(this.onJingleRtpConnectionUpdate)) {
4396            listener.onAudioDeviceChanged(selectedAudioDevice, availableAudioDevices);
4397        }
4398    }
4399
4400    public void updateAccountUi() {
4401        for (final OnAccountUpdate listener : threadSafeList(this.mOnAccountUpdates)) {
4402            listener.onAccountUpdate();
4403        }
4404    }
4405
4406    public void updateRosterUi() {
4407        for (OnRosterUpdate listener : threadSafeList(this.mOnRosterUpdates)) {
4408            listener.onRosterUpdate();
4409        }
4410    }
4411
4412    public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
4413        if (mOnCaptchaRequested.size() > 0) {
4414            DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
4415            Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
4416                    (int) (captcha.getHeight() * metrics.scaledDensity), false);
4417            for (OnCaptchaRequested listener : threadSafeList(this.mOnCaptchaRequested)) {
4418                listener.onCaptchaRequested(account, id, data, scaled);
4419            }
4420            return true;
4421        }
4422        return false;
4423    }
4424
4425    public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
4426        for (OnUpdateBlocklist listener : threadSafeList(this.mOnUpdateBlocklist)) {
4427            listener.OnUpdateBlocklist(status);
4428        }
4429    }
4430
4431    public void updateMucRosterUi() {
4432        for (OnMucRosterUpdate listener : threadSafeList(this.mOnMucRosterUpdate)) {
4433            listener.onMucRosterUpdate();
4434        }
4435    }
4436
4437    public void keyStatusUpdated(AxolotlService.FetchStatus report) {
4438        for (OnKeyStatusUpdated listener : threadSafeList(this.mOnKeyStatusUpdated)) {
4439            listener.onKeyStatusUpdated(report);
4440        }
4441    }
4442
4443    public Account findAccountByJid(final Jid jid) {
4444        for (final Account account : this.accounts) {
4445            if (account.getJid().asBareJid().equals(jid.asBareJid())) {
4446                return account;
4447            }
4448        }
4449        return null;
4450    }
4451
4452    public Account findAccountByUuid(final String uuid) {
4453        for (Account account : this.accounts) {
4454            if (account.getUuid().equals(uuid)) {
4455                return account;
4456            }
4457        }
4458        return null;
4459    }
4460
4461    public Conversation findConversationByUuid(String uuid) {
4462        for (Conversation conversation : getConversations()) {
4463            if (conversation.getUuid().equals(uuid)) {
4464                return conversation;
4465            }
4466        }
4467        return null;
4468    }
4469
4470    public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
4471        List<Conversation> findings = new ArrayList<>();
4472        for (Conversation c : getConversations()) {
4473            if (c.getAccount().isEnabled() && c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
4474                findings.add(c);
4475            }
4476        }
4477        return findings.size() == 1 ? findings.get(0) : null;
4478    }
4479
4480    public boolean markRead(final Conversation conversation, boolean dismiss) {
4481        return markRead(conversation, null, dismiss).size() > 0;
4482    }
4483
4484    public void markRead(final Conversation conversation) {
4485        markRead(conversation, null, true);
4486    }
4487
4488    public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
4489        if (dismiss) {
4490            mNotificationService.clear(conversation);
4491        }
4492        final List<Message> readMessages = conversation.markRead(upToUuid);
4493        if (readMessages.size() > 0) {
4494            Runnable runnable = () -> {
4495                for (Message message : readMessages) {
4496                    databaseBackend.updateMessage(message, false);
4497                }
4498            };
4499            mDatabaseWriterExecutor.execute(runnable);
4500            updateConversationUi();
4501            updateUnreadCountBadge();
4502            return readMessages;
4503        } else {
4504            return readMessages;
4505        }
4506    }
4507
4508    public synchronized void updateUnreadCountBadge() {
4509        int count = unreadCount();
4510        if (unreadCount != count) {
4511            Log.d(Config.LOGTAG, "update unread count to " + count);
4512            if (count > 0) {
4513                ShortcutBadger.applyCount(getApplicationContext(), count);
4514            } else {
4515                ShortcutBadger.removeCount(getApplicationContext());
4516            }
4517            unreadCount = count;
4518        }
4519    }
4520
4521    public void sendReadMarker(final Conversation conversation, String upToUuid) {
4522        final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
4523        final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
4524        if (readMessages.size() > 0) {
4525            updateConversationUi();
4526        }
4527        final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
4528        if (confirmMessages()
4529                && markable != null
4530                && (markable.trusted() || isPrivateAndNonAnonymousMuc)
4531                && markable.getRemoteMsgId() != null) {
4532            Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
4533            final Account account = conversation.getAccount();
4534            final MessagePacket packet = mMessageGenerator.confirm(markable);
4535            this.sendMessagePacket(account, packet);
4536        }
4537    }
4538
4539    public MemorizingTrustManager getMemorizingTrustManager() {
4540        return this.mMemorizingTrustManager;
4541    }
4542
4543    public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
4544        this.mMemorizingTrustManager = trustManager;
4545    }
4546
4547    public void updateMemorizingTrustmanager() {
4548        final MemorizingTrustManager tm;
4549        final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
4550        if (dontTrustSystemCAs) {
4551            tm = new MemorizingTrustManager(getApplicationContext(), null);
4552        } else {
4553            tm = new MemorizingTrustManager(getApplicationContext());
4554        }
4555        setMemorizingTrustManager(tm);
4556    }
4557
4558    public LruCache<String, Bitmap> getBitmapCache() {
4559        return this.mBitmapCache;
4560    }
4561
4562    public Collection<String> getKnownHosts() {
4563        final Set<String> hosts = new HashSet<>();
4564        for (final Account account : getAccounts()) {
4565            hosts.add(account.getServer());
4566            for (final Contact contact : account.getRoster().getContacts()) {
4567                if (contact.showInRoster()) {
4568                    final String server = contact.getServer();
4569                    if (server != null) {
4570                        hosts.add(server);
4571                    }
4572                }
4573            }
4574        }
4575        if (Config.QUICKSY_DOMAIN != null) {
4576            hosts.remove(Config.QUICKSY_DOMAIN.toEscapedString()); //we only want to show this when we type a e164 number
4577        }
4578        if (Config.DOMAIN_LOCK != null) {
4579            hosts.add(Config.DOMAIN_LOCK);
4580        }
4581        if (Config.MAGIC_CREATE_DOMAIN != null) {
4582            hosts.add(Config.MAGIC_CREATE_DOMAIN);
4583        }
4584        return hosts;
4585    }
4586
4587    public Collection<String> getKnownConferenceHosts() {
4588        final Set<String> mucServers = new HashSet<>();
4589        for (final Account account : accounts) {
4590            if (account.getXmppConnection() != null) {
4591                mucServers.addAll(account.getXmppConnection().getMucServers());
4592                for (final Bookmark bookmark : account.getBookmarks()) {
4593                    final Jid jid = bookmark.getJid();
4594                    final String s = jid == null ? null : jid.getDomain().toEscapedString();
4595                    if (s != null) {
4596                        mucServers.add(s);
4597                    }
4598                }
4599            }
4600        }
4601        return mucServers;
4602    }
4603
4604    public void sendMessagePacket(Account account, MessagePacket packet) {
4605        final XmppConnection connection = account.getXmppConnection();
4606        if (connection != null) {
4607            connection.sendMessagePacket(packet);
4608        }
4609    }
4610
4611    public void sendPresencePacket(Account account, PresencePacket packet) {
4612        XmppConnection connection = account.getXmppConnection();
4613        if (connection != null) {
4614            connection.sendPresencePacket(packet);
4615        }
4616    }
4617
4618    public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
4619        final XmppConnection connection = account.getXmppConnection();
4620        if (connection != null) {
4621            IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
4622            connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
4623        }
4624    }
4625
4626    public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
4627        final XmppConnection connection = account.getXmppConnection();
4628        if (connection != null) {
4629            connection.sendIqPacket(packet, callback);
4630        } else if (callback != null) {
4631            callback.onIqPacketReceived(account, new IqPacket(IqPacket.TYPE.TIMEOUT));
4632        }
4633    }
4634
4635    public void sendPresence(final Account account) {
4636        sendPresence(account, checkListeners() && broadcastLastActivity());
4637    }
4638
4639    private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
4640        final Presence.Status status;
4641        if (manuallyChangePresence()) {
4642            status = account.getPresenceStatus();
4643        } else {
4644            status = getTargetPresence();
4645        }
4646        final PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
4647        if (mLastActivity > 0 && includeIdleTimestamp) {
4648            long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
4649            packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
4650        }
4651        sendPresencePacket(account, packet);
4652    }
4653
4654    private void deactivateGracePeriod() {
4655        for (Account account : getAccounts()) {
4656            account.deactivateGracePeriod();
4657        }
4658    }
4659
4660    public void refreshAllPresences() {
4661        boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
4662        for (Account account : getAccounts()) {
4663            if (account.isConnectionEnabled()) {
4664                sendPresence(account, includeIdleTimestamp);
4665            }
4666        }
4667    }
4668
4669    private void refreshAllFcmTokens() {
4670        for (Account account : getAccounts()) {
4671            if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
4672                mPushManagementService.registerPushTokenOnServer(account);
4673            }
4674        }
4675    }
4676
4677
4678
4679    private void sendOfflinePresence(final Account account) {
4680        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
4681        sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
4682    }
4683
4684    public MessageGenerator getMessageGenerator() {
4685        return this.mMessageGenerator;
4686    }
4687
4688    public PresenceGenerator getPresenceGenerator() {
4689        return this.mPresenceGenerator;
4690    }
4691
4692    public IqGenerator getIqGenerator() {
4693        return this.mIqGenerator;
4694    }
4695
4696    public IqParser getIqParser() {
4697        return this.mIqParser;
4698    }
4699
4700    public JingleConnectionManager getJingleConnectionManager() {
4701        return this.mJingleConnectionManager;
4702    }
4703
4704    private boolean hasJingleRtpConnection(final Account account) {
4705        return this.mJingleConnectionManager.hasJingleRtpConnection(account);
4706    }
4707
4708    public MessageArchiveService getMessageArchiveService() {
4709        return this.mMessageArchiveService;
4710    }
4711
4712    public QuickConversationsService getQuickConversationsService() {
4713        return this.mQuickConversationsService;
4714    }
4715
4716    public List<Contact> findContacts(Jid jid, String accountJid) {
4717        ArrayList<Contact> contacts = new ArrayList<>();
4718        for (Account account : getAccounts()) {
4719            if ((account.isEnabled() || accountJid != null)
4720                    && (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
4721                Contact contact = account.getRoster().getContactFromContactList(jid);
4722                if (contact != null) {
4723                    contacts.add(contact);
4724                }
4725            }
4726        }
4727        return contacts;
4728    }
4729
4730    public Conversation findFirstMuc(Jid jid) {
4731        for (Conversation conversation : getConversations()) {
4732            if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
4733                return conversation;
4734            }
4735        }
4736        return null;
4737    }
4738
4739    public NotificationService getNotificationService() {
4740        return this.mNotificationService;
4741    }
4742
4743    public HttpConnectionManager getHttpConnectionManager() {
4744        return this.mHttpConnectionManager;
4745    }
4746
4747    public void resendFailedMessages(final Message message) {
4748        final Collection<Message> messages = new ArrayList<>();
4749        Message current = message;
4750        while (current.getStatus() == Message.STATUS_SEND_FAILED) {
4751            messages.add(current);
4752            if (current.mergeable(current.next())) {
4753                current = current.next();
4754            } else {
4755                break;
4756            }
4757        }
4758        for (final Message msg : messages) {
4759            msg.setTime(System.currentTimeMillis());
4760            markMessage(msg, Message.STATUS_WAITING);
4761            this.resendMessage(msg, false);
4762        }
4763        if (message.getConversation() instanceof Conversation) {
4764            ((Conversation) message.getConversation()).sort();
4765        }
4766        updateConversationUi();
4767    }
4768
4769    public void clearConversationHistory(final Conversation conversation) {
4770        final long clearDate;
4771        final String reference;
4772        if (conversation.countMessages() > 0) {
4773            Message latestMessage = conversation.getLatestMessage();
4774            clearDate = latestMessage.getTimeSent() + 1000;
4775            reference = latestMessage.getServerMsgId();
4776        } else {
4777            clearDate = System.currentTimeMillis();
4778            reference = null;
4779        }
4780        conversation.clearMessages();
4781        conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
4782        conversation.setLastClearHistory(clearDate, reference);
4783        Runnable runnable = () -> {
4784            databaseBackend.deleteMessagesInConversation(conversation);
4785            databaseBackend.updateConversation(conversation);
4786        };
4787        mDatabaseWriterExecutor.execute(runnable);
4788    }
4789
4790    public boolean sendBlockRequest(final Blockable blockable, final boolean reportSpam, final String serverMsgId) {
4791        if (blockable != null && blockable.getBlockedJid() != null) {
4792            final Jid jid = blockable.getBlockedJid();
4793            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam, serverMsgId), (a, response) -> {
4794                if (response.getType() == IqPacket.TYPE.RESULT) {
4795                    a.getBlocklist().add(jid);
4796                    updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
4797                }
4798            });
4799            if (blockable.getBlockedJid().isFullJid()) {
4800                return false;
4801            } else if (removeBlockedConversations(blockable.getAccount(), jid)) {
4802                updateConversationUi();
4803                return true;
4804            } else {
4805                return false;
4806            }
4807        } else {
4808            return false;
4809        }
4810    }
4811
4812    public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
4813        boolean removed = false;
4814        synchronized (this.conversations) {
4815            boolean domainJid = blockedJid.getLocal() == null;
4816            for (Conversation conversation : this.conversations) {
4817                boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
4818                        || blockedJid.equals(conversation.getJid().asBareJid());
4819                if (conversation.getAccount() == account
4820                        && conversation.getMode() == Conversation.MODE_SINGLE
4821                        && jidMatches) {
4822                    this.conversations.remove(conversation);
4823                    markRead(conversation);
4824                    conversation.setStatus(Conversation.STATUS_ARCHIVED);
4825                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
4826                    updateConversation(conversation);
4827                    removed = true;
4828                }
4829            }
4830        }
4831        return removed;
4832    }
4833
4834    public void sendUnblockRequest(final Blockable blockable) {
4835        if (blockable != null && blockable.getJid() != null) {
4836            final Jid jid = blockable.getBlockedJid();
4837            this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
4838                @Override
4839                public void onIqPacketReceived(final Account account, final IqPacket packet) {
4840                    if (packet.getType() == IqPacket.TYPE.RESULT) {
4841                        account.getBlocklist().remove(jid);
4842                        updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
4843                    }
4844                }
4845            });
4846        }
4847    }
4848
4849    public void publishDisplayName(Account account) {
4850        String displayName = account.getDisplayName();
4851        final IqPacket request;
4852        if (TextUtils.isEmpty(displayName)) {
4853            request = mIqGenerator.deleteNode(Namespace.NICK);
4854        } else {
4855            request = mIqGenerator.publishNick(displayName);
4856        }
4857        mAvatarService.clear(account);
4858        sendIqPacket(account, request, (account1, packet) -> {
4859            if (packet.getType() == IqPacket.TYPE.ERROR) {
4860                Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": unable to modify nick name " + packet);
4861            }
4862        });
4863    }
4864
4865    public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
4866        ServiceDiscoveryResult result = discoCache.get(key);
4867        if (result != null) {
4868            return result;
4869        } else {
4870            result = databaseBackend.findDiscoveryResult(key.first, key.second);
4871            if (result != null) {
4872                discoCache.put(key, result);
4873            }
4874            return result;
4875        }
4876    }
4877
4878    public void fetchCaps(Account account, final Jid jid, final Presence presence) {
4879        final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
4880        final ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
4881        if (disco != null) {
4882            presence.setServiceDiscoveryResult(disco);
4883            final Contact contact = account.getRoster().getContact(jid);
4884            if (contact.refreshRtpCapability()) {
4885                syncRoster(account);
4886            }
4887        } else {
4888            final IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4889            request.setTo(jid);
4890            final String node = presence.getNode();
4891            final String ver = presence.getVer();
4892            final Element query = request.query(Namespace.DISCO_INFO);
4893            if (node != null && ver != null) {
4894                query.setAttribute("node", node + "#" + ver);
4895            }
4896            Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
4897            sendIqPacket(account, request, (a, response) -> {
4898                if (response.getType() == IqPacket.TYPE.RESULT) {
4899                    final ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
4900                    if (presence.getVer().equals(discoveryResult.getVer())) {
4901                        databaseBackend.insertDiscoveryResult(discoveryResult);
4902                        injectServiceDiscoveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
4903                    } else {
4904                        Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
4905                    }
4906                } else {
4907                    Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to fetch caps from " + jid);
4908                }
4909            });
4910        }
4911    }
4912
4913    private void injectServiceDiscoveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
4914        boolean rosterNeedsSync = false;
4915        for (final Contact contact : roster.getContacts()) {
4916            boolean serviceDiscoverySet = false;
4917            for (final Presence presence : contact.getPresences().getPresences()) {
4918                if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
4919                    presence.setServiceDiscoveryResult(disco);
4920                    serviceDiscoverySet = true;
4921                }
4922            }
4923            if (serviceDiscoverySet) {
4924                rosterNeedsSync |= contact.refreshRtpCapability();
4925            }
4926        }
4927        if (rosterNeedsSync) {
4928            syncRoster(roster.getAccount());
4929        }
4930    }
4931
4932    public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
4933        final MessageArchiveService.Version version = MessageArchiveService.Version.get(account);
4934        IqPacket request = new IqPacket(IqPacket.TYPE.GET);
4935        request.addChild("prefs", version.namespace);
4936        sendIqPacket(account, request, (account1, packet) -> {
4937            Element prefs = packet.findChild("prefs", version.namespace);
4938            if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
4939                callback.onPreferencesFetched(prefs);
4940            } else {
4941                callback.onPreferencesFetchFailed();
4942            }
4943        });
4944    }
4945
4946    public PushManagementService getPushManagementService() {
4947        return mPushManagementService;
4948    }
4949
4950    public void changeStatus(Account account, PresenceTemplate template, String signature) {
4951        if (!template.getStatusMessage().isEmpty()) {
4952            databaseBackend.insertPresenceTemplate(template);
4953        }
4954        account.setPgpSignature(signature);
4955        account.setPresenceStatus(template.getStatus());
4956        account.setPresenceStatusMessage(template.getStatusMessage());
4957        databaseBackend.updateAccount(account);
4958        sendPresence(account);
4959    }
4960
4961    public List<PresenceTemplate> getPresenceTemplates(Account account) {
4962        List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
4963        for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
4964            if (!templates.contains(template)) {
4965                templates.add(0, template);
4966            }
4967        }
4968        return templates;
4969    }
4970
4971    public void saveConversationAsBookmark(Conversation conversation, String name) {
4972        final Account account = conversation.getAccount();
4973        final Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
4974        final String nick = conversation.getJid().getResource();
4975        if (nick != null && !nick.isEmpty() && !nick.equals(MucOptions.defaultNick(account))) {
4976            bookmark.setNick(nick);
4977        }
4978        if (!TextUtils.isEmpty(name)) {
4979            bookmark.setBookmarkName(name);
4980        }
4981        bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
4982        createBookmark(account, bookmark);
4983        bookmark.setConversation(conversation);
4984    }
4985
4986    public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
4987        boolean performedVerification = false;
4988        final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
4989        for (XmppUri.Fingerprint fp : fingerprints) {
4990            if (fp.type == XmppUri.FingerprintType.OMEMO) {
4991                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
4992                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
4993                if (fingerprintStatus != null) {
4994                    if (!fingerprintStatus.isVerified()) {
4995                        performedVerification = true;
4996                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
4997                    }
4998                } else {
4999                    axolotlService.preVerifyFingerprint(contact, fingerprint);
5000                }
5001            }
5002        }
5003        return performedVerification;
5004    }
5005
5006    public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
5007        final AxolotlService axolotlService = account.getAxolotlService();
5008        boolean verifiedSomething = false;
5009        for (XmppUri.Fingerprint fp : fingerprints) {
5010            if (fp.type == XmppUri.FingerprintType.OMEMO) {
5011                String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
5012                Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
5013                FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
5014                if (fingerprintStatus != null) {
5015                    if (!fingerprintStatus.isVerified()) {
5016                        axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
5017                        verifiedSomething = true;
5018                    }
5019                } else {
5020                    axolotlService.preVerifyFingerprint(account, fingerprint);
5021                    verifiedSomething = true;
5022                }
5023            }
5024        }
5025        return verifiedSomething;
5026    }
5027
5028    public boolean blindTrustBeforeVerification() {
5029        return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
5030    }
5031
5032    public ShortcutService getShortcutService() {
5033        return mShortcutService;
5034    }
5035
5036    public void pushMamPreferences(Account account, Element prefs) {
5037        IqPacket set = new IqPacket(IqPacket.TYPE.SET);
5038        set.addChild(prefs);
5039        sendIqPacket(account, set, null);
5040    }
5041
5042    public void evictPreview(String uuid) {
5043        if (mBitmapCache.remove(uuid) != null) {
5044            Log.d(Config.LOGTAG, "deleted cached preview");
5045        }
5046    }
5047
5048    public interface OnMamPreferencesFetched {
5049        void onPreferencesFetched(Element prefs);
5050
5051        void onPreferencesFetchFailed();
5052    }
5053
5054    public interface OnAccountCreated {
5055        void onAccountCreated(Account account);
5056
5057        void informUser(int r);
5058    }
5059
5060    public interface OnMoreMessagesLoaded {
5061        void onMoreMessagesLoaded(int count, Conversation conversation);
5062
5063        void informUser(int r);
5064    }
5065
5066    public interface OnAccountPasswordChanged {
5067        void onPasswordChangeSucceeded();
5068
5069        void onPasswordChangeFailed();
5070    }
5071
5072    public interface OnRoomDestroy {
5073        void onRoomDestroySucceeded();
5074
5075        void onRoomDestroyFailed();
5076    }
5077
5078    public interface OnAffiliationChanged {
5079        void onAffiliationChangedSuccessful(Jid jid);
5080
5081        void onAffiliationChangeFailed(Jid jid, int resId);
5082    }
5083
5084    public interface OnConversationUpdate {
5085        void onConversationUpdate();
5086    }
5087
5088    public interface OnJingleRtpConnectionUpdate {
5089        void onJingleRtpConnectionUpdate(final Account account, final Jid with, final String sessionId, final RtpEndUserState state);
5090
5091        void onAudioDeviceChanged(AppRTCAudioManager.AudioDevice selectedAudioDevice, Set<AppRTCAudioManager.AudioDevice> availableAudioDevices);
5092    }
5093
5094    public interface OnAccountUpdate {
5095        void onAccountUpdate();
5096    }
5097
5098    public interface OnCaptchaRequested {
5099        void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
5100    }
5101
5102    public interface OnRosterUpdate {
5103        void onRosterUpdate();
5104    }
5105
5106    public interface OnMucRosterUpdate {
5107        void onMucRosterUpdate();
5108    }
5109
5110    public interface OnConferenceConfigurationFetched {
5111        void onConferenceConfigurationFetched(Conversation conversation);
5112
5113        void onFetchFailed(Conversation conversation, String errorCondition);
5114    }
5115
5116    public interface OnConferenceJoined {
5117        void onConferenceJoined(Conversation conversation);
5118    }
5119
5120    public interface OnConfigurationPushed {
5121        void onPushSucceeded();
5122
5123        void onPushFailed();
5124    }
5125
5126    public interface OnShowErrorToast {
5127        void onShowErrorToast(int resId);
5128    }
5129
5130    public class XmppConnectionBinder extends Binder {
5131        public XmppConnectionService getService() {
5132            return XmppConnectionService.this;
5133        }
5134    }
5135
5136    private class InternalEventReceiver extends BroadcastReceiver {
5137
5138        @Override
5139        public void onReceive(final Context context, final Intent intent) {
5140            onStartCommand(intent, 0, 0);
5141        }
5142    }
5143
5144    private class RestrictedEventReceiver extends BroadcastReceiver {
5145
5146        private final Collection<String> allowedActions;
5147
5148        private RestrictedEventReceiver(final Collection<String> allowedActions) {
5149            this.allowedActions = allowedActions;
5150        }
5151
5152        @Override
5153        public void onReceive(final Context context, final Intent intent) {
5154            final String action = intent == null ? null : intent.getAction();
5155            if (allowedActions.contains(action)) {
5156                onStartCommand(intent,0,0);
5157            } else {
5158                Log.e(Config.LOGTAG,"restricting broadcast of event "+action);
5159            }
5160        }
5161    }
5162
5163    public static class OngoingCall {
5164        public final AbstractJingleConnection.Id id;
5165        public final Set<Media> media;
5166        public final boolean reconnecting;
5167
5168        public OngoingCall(AbstractJingleConnection.Id id, Set<Media> media, final boolean reconnecting) {
5169            this.id = id;
5170            this.media = media;
5171            this.reconnecting = reconnecting;
5172        }
5173
5174        @Override
5175        public boolean equals(Object o) {
5176            if (this == o) return true;
5177            if (o == null || getClass() != o.getClass()) return false;
5178            OngoingCall that = (OngoingCall) o;
5179            return reconnecting == that.reconnecting && Objects.equal(id, that.id) && Objects.equal(media, that.media);
5180        }
5181
5182        @Override
5183        public int hashCode() {
5184            return Objects.hashCode(id, media, reconnecting);
5185        }
5186    }
5187
5188    public static void toggleForegroundService(final XmppConnectionService service) {
5189        if (service == null) {
5190            return;
5191        }
5192        service.toggleForegroundService();
5193    }
5194
5195    public static void toggleForegroundService(final ConversationsActivity activity) {
5196        if (activity == null) {
5197            return;
5198        }
5199        toggleForegroundService(activity.xmppConnectionService);
5200    }
5201}