XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import android.annotation.SuppressLint;
   4import android.annotation.TargetApi;
   5import android.app.AlarmManager;
   6import android.app.PendingIntent;
   7import android.app.Service;
   8import android.content.Context;
   9import android.content.Intent;
  10import android.content.IntentFilter;
  11import android.content.SharedPreferences;
  12import android.database.ContentObserver;
  13import android.graphics.Bitmap;
  14import android.media.AudioManager;
  15import android.net.ConnectivityManager;
  16import android.net.NetworkInfo;
  17import android.net.Uri;
  18import android.os.Binder;
  19import android.os.Build;
  20import android.os.Bundle;
  21import android.os.Environment;
  22import android.os.IBinder;
  23import android.os.PowerManager;
  24import android.os.PowerManager.WakeLock;
  25import android.os.SystemClock;
  26import android.preference.PreferenceManager;
  27import android.provider.ContactsContract;
  28import android.security.KeyChain;
  29import android.support.annotation.BoolRes;
  30import android.support.annotation.IntegerRes;
  31import android.support.v4.app.RemoteInput;
  32import android.text.TextUtils;
  33import android.util.DisplayMetrics;
  34import android.util.Log;
  35import android.util.LruCache;
  36import android.util.Pair;
  37
  38import org.openintents.openpgp.IOpenPgpService2;
  39import org.openintents.openpgp.util.OpenPgpApi;
  40import org.openintents.openpgp.util.OpenPgpServiceConnection;
  41
  42import java.math.BigInteger;
  43import java.net.URL;
  44import java.security.SecureRandom;
  45import java.security.cert.CertificateException;
  46import java.security.cert.X509Certificate;
  47import java.util.ArrayList;
  48import java.util.Arrays;
  49import java.util.Collection;
  50import java.util.Collections;
  51import java.util.HashMap;
  52import java.util.HashSet;
  53import java.util.Hashtable;
  54import java.util.Iterator;
  55import java.util.List;
  56import java.util.ListIterator;
  57import java.util.Map;
  58import java.util.Set;
  59import java.util.concurrent.CopyOnWriteArrayList;
  60import java.util.concurrent.CountDownLatch;
  61import java.util.concurrent.atomic.AtomicBoolean;
  62import java.util.concurrent.atomic.AtomicLong;
  63
  64import javax.security.auth.callback.Callback;
  65
  66import eu.siacs.conversations.Config;
  67import eu.siacs.conversations.R;
  68import eu.siacs.conversations.crypto.OmemoSetting;
  69import eu.siacs.conversations.crypto.PgpDecryptionService;
  70import eu.siacs.conversations.crypto.PgpEngine;
  71import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  72import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  73import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  74import eu.siacs.conversations.entities.Account;
  75import eu.siacs.conversations.entities.Blockable;
  76import eu.siacs.conversations.entities.Bookmark;
  77import eu.siacs.conversations.entities.Contact;
  78import eu.siacs.conversations.entities.Conversation;
  79import eu.siacs.conversations.entities.Conversational;
  80import eu.siacs.conversations.entities.DownloadableFile;
  81import eu.siacs.conversations.entities.Message;
  82import eu.siacs.conversations.entities.MucOptions;
  83import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  84import eu.siacs.conversations.entities.Presence;
  85import eu.siacs.conversations.entities.PresenceTemplate;
  86import eu.siacs.conversations.entities.Roster;
  87import eu.siacs.conversations.entities.ServiceDiscoveryResult;
  88import eu.siacs.conversations.entities.Transferable;
  89import eu.siacs.conversations.entities.TransferablePlaceholder;
  90import eu.siacs.conversations.generator.AbstractGenerator;
  91import eu.siacs.conversations.generator.IqGenerator;
  92import eu.siacs.conversations.generator.MessageGenerator;
  93import eu.siacs.conversations.generator.PresenceGenerator;
  94import eu.siacs.conversations.http.HttpConnectionManager;
  95import eu.siacs.conversations.http.CustomURLStreamHandlerFactory;
  96import eu.siacs.conversations.parser.AbstractParser;
  97import eu.siacs.conversations.parser.IqParser;
  98import eu.siacs.conversations.parser.MessageParser;
  99import eu.siacs.conversations.parser.PresenceParser;
 100import eu.siacs.conversations.persistance.DatabaseBackend;
 101import eu.siacs.conversations.persistance.FileBackend;
 102import eu.siacs.conversations.ui.SettingsActivity;
 103import eu.siacs.conversations.ui.UiCallback;
 104import eu.siacs.conversations.ui.interfaces.OnAvatarPublication;
 105import eu.siacs.conversations.ui.interfaces.OnSearchResultsAvailable;
 106import eu.siacs.conversations.utils.ConversationsFileObserver;
 107import eu.siacs.conversations.utils.CryptoHelper;
 108import eu.siacs.conversations.utils.ExceptionHelper;
 109import eu.siacs.conversations.utils.MimeUtils;
 110import eu.siacs.conversations.utils.OnPhoneContactsLoadedListener;
 111import eu.siacs.conversations.utils.PRNGFixes;
 112import eu.siacs.conversations.utils.PhoneHelper;
 113import eu.siacs.conversations.utils.QuickLoader;
 114import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 115import eu.siacs.conversations.utils.ReplacingTaskManager;
 116import eu.siacs.conversations.utils.Resolver;
 117import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 118import eu.siacs.conversations.utils.StringUtils;
 119import eu.siacs.conversations.utils.WakeLockHelper;
 120import eu.siacs.conversations.xml.Namespace;
 121import eu.siacs.conversations.utils.XmppUri;
 122import eu.siacs.conversations.xml.Element;
 123import eu.siacs.conversations.xmpp.OnBindListener;
 124import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 125import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 126import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 127import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 128import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 129import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 130import eu.siacs.conversations.xmpp.OnStatusChanged;
 131import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 132import eu.siacs.conversations.xmpp.Patches;
 133import eu.siacs.conversations.xmpp.XmppConnection;
 134import eu.siacs.conversations.xmpp.chatstate.ChatState;
 135import eu.siacs.conversations.xmpp.forms.Data;
 136import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 137import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 138import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 139import eu.siacs.conversations.xmpp.mam.MamReference;
 140import eu.siacs.conversations.xmpp.pep.Avatar;
 141import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 142import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 143import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 144import me.leolin.shortcutbadger.ShortcutBadger;
 145import rocks.xmpp.addr.Jid;
 146
 147public class XmppConnectionService extends Service {
 148
 149	public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 150	public static final String ACTION_MARK_AS_READ = "mark_as_read";
 151	public static final String ACTION_SNOOZE = "snooze";
 152	public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 153	public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 154	public static final String ACTION_TRY_AGAIN = "try_again";
 155	public static final String ACTION_IDLE_PING = "idle_ping";
 156	public static final String ACTION_FCM_TOKEN_REFRESH = "fcm_token_refresh";
 157	public static final String ACTION_FCM_MESSAGE_RECEIVED = "fcm_message_received";
 158	private static final String ACTION_MERGE_PHONE_CONTACTS = "merge_phone_contacts";
 159
 160	private static final String SETTING_LAST_ACTIVITY_TS = "last_activity_timestamp";
 161
 162	static {
 163		URL.setURLStreamHandlerFactory(new CustomURLStreamHandlerFactory());
 164	}
 165
 166	public final CountDownLatch restoredFromDatabaseLatch = new CountDownLatch(1);
 167	private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor("FileAdding");
 168	private final SerialSingleThreadExecutor mVideoCompressionExecutor = new SerialSingleThreadExecutor("VideoCompression");
 169	private final SerialSingleThreadExecutor mDatabaseWriterExecutor = new SerialSingleThreadExecutor("DatabaseWriter");
 170	private final SerialSingleThreadExecutor mDatabaseReaderExecutor = new SerialSingleThreadExecutor("DatabaseReader");
 171	private final SerialSingleThreadExecutor mNotificationExecutor = new SerialSingleThreadExecutor("NotificationExecutor");
 172	private final ReplacingTaskManager mRosterSyncTaskManager = new ReplacingTaskManager();
 173	private final IBinder mBinder = new XmppConnectionBinder();
 174	private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 175	private final IqGenerator mIqGenerator = new IqGenerator(this);
 176	private final List<String> mInProgressAvatarFetches = new ArrayList<>();
 177	private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 178	private final OnIqPacketReceived mDefaultIqHandler = (account, packet) -> {
 179		if (packet.getType() != IqPacket.TYPE.RESULT) {
 180			Element error = packet.findChild("error");
 181			String text = error != null ? error.findChildContent("text") : null;
 182			if (text != null) {
 183				Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": received iq error - " + text);
 184			}
 185		}
 186	};
 187	public DatabaseBackend databaseBackend;
 188	private ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor(true);
 189	private long mLastActivity = 0;
 190	private ContentObserver contactObserver = new ContentObserver(null) {
 191		@Override
 192		public void onChange(boolean selfChange) {
 193			super.onChange(selfChange);
 194			Intent intent = new Intent(getApplicationContext(),
 195					XmppConnectionService.class);
 196			intent.setAction(ACTION_MERGE_PHONE_CONTACTS);
 197			startService(intent);
 198		}
 199	};
 200	private FileBackend fileBackend = new FileBackend(this);
 201	private MemorizingTrustManager mMemorizingTrustManager;
 202	private NotificationService mNotificationService = new NotificationService(this);
 203	private ShortcutService mShortcutService = new ShortcutService(this);
 204	private AtomicBoolean mInitialAddressbookSyncCompleted = new AtomicBoolean(false);
 205	private AtomicBoolean mForceForegroundService = new AtomicBoolean(false);
 206	private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 207	private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 208	private IqParser mIqParser = new IqParser(this);
 209	private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 210	public OnContactStatusChanged onContactStatusChanged = (contact, online) -> {
 211		Conversation conversation = find(getConversations(), contact);
 212		if (conversation != null) {
 213			if (online) {
 214				if (contact.getPresences().size() == 1) {
 215					sendUnsentMessages(conversation);
 216				}
 217			}
 218		}
 219	};
 220	private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 221	private List<Account> accounts;
 222	private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 223			this);
 224	private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 225
 226		@Override
 227		public void onJinglePacketReceived(Account account, JinglePacket packet) {
 228			mJingleConnectionManager.deliverPacket(account, packet);
 229		}
 230	};
 231	private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(
 232			this);
 233	private AvatarService mAvatarService = new AvatarService(this);
 234	private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 235	private PushManagementService mPushManagementService = new PushManagementService(this);
 236	private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 237			Environment.getExternalStorageDirectory().getAbsolutePath()
 238	) {
 239		@Override
 240		public void onEvent(int event, String path) {
 241			markFileDeleted(path);
 242		}
 243	};
 244	private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 245
 246		@Override
 247		public void onMessageAcknowledged(Account account, String uuid) {
 248			for (final Conversation conversation : getConversations()) {
 249				if (conversation.getAccount() == account) {
 250					Message message = conversation.findUnsentMessageWithUuid(uuid);
 251					if (message != null) {
 252						markMessage(message, Message.STATUS_SEND);
 253					}
 254				}
 255			}
 256		}
 257	};
 258
 259	private int unreadCount = -1;
 260
 261	//Ui callback listeners
 262	private final List<OnConversationUpdate> mOnConversationUpdates = new ArrayList<>();
 263	private final List<OnShowErrorToast> mOnShowErrorToasts = new ArrayList<>();
 264	private final List<OnAccountUpdate> mOnAccountUpdates = new ArrayList<>();
 265	private final List<OnCaptchaRequested> mOnCaptchaRequested = new ArrayList<>();
 266	private final List<OnRosterUpdate> mOnRosterUpdates = new ArrayList<>();
 267	private final List<OnUpdateBlocklist> mOnUpdateBlocklist = new ArrayList<>();
 268	private final List<OnMucRosterUpdate> mOnMucRosterUpdate = new ArrayList<>();
 269	private final List<OnKeyStatusUpdated> mOnKeyStatusUpdated = new ArrayList<>();
 270
 271
 272	private final OnBindListener mOnBindListener = new OnBindListener() {
 273
 274		@Override
 275		public void onBind(final Account account) {
 276			synchronized (mInProgressAvatarFetches) {
 277				for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 278					final String KEY = iterator.next();
 279					if (KEY.startsWith(account.getJid().asBareJid() + "_")) {
 280						iterator.remove();
 281					}
 282				}
 283			}
 284			boolean needsUpdating = account.setOption(Account.OPTION_LOGGED_IN_SUCCESSFULLY, true);
 285			needsUpdating |= account.setOption(Account.OPTION_HTTP_UPLOAD_AVAILABLE, account.getXmppConnection().getFeatures().httpUpload(0));
 286			if (needsUpdating) {
 287				databaseBackend.updateAccount(account);
 288			}
 289			account.getRoster().clearPresences();
 290			mJingleConnectionManager.cancelInTransmission();
 291			fetchRosterFromServer(account);
 292			fetchBookmarks(account);
 293			final boolean flexible = account.getXmppConnection().getFeatures().flexibleOfflineMessageRetrieval();
 294			final boolean catchup = getMessageArchiveService().inCatchup(account);
 295			if (flexible && catchup) {
 296				sendIqPacket(account, mIqGenerator.purgeOfflineMessages(), (acc, packet) -> {
 297					if (packet.getType() == IqPacket.TYPE.RESULT) {
 298						Log.d(Config.LOGTAG, acc.getJid().asBareJid() + ": successfully purged offline messages");
 299					}
 300				});
 301			}
 302			sendPresence(account);
 303			if (mPushManagementService.available(account)) {
 304				mPushManagementService.registerPushTokenOnServer(account);
 305			}
 306			connectMultiModeConversations(account);
 307			syncDirtyContacts(account);
 308		}
 309	};
 310	private AtomicLong mLastExpiryRun = new AtomicLong(0);
 311	private SecureRandom mRandom;
 312	private LruCache<Pair<String, String>, ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 313	private OnStatusChanged statusListener = new OnStatusChanged() {
 314
 315		@Override
 316		public void onStatusChanged(final Account account) {
 317			XmppConnection connection = account.getXmppConnection();
 318			updateAccountUi();
 319			if (account.getStatus() == Account.State.ONLINE) {
 320				synchronized (mLowPingTimeoutMode) {
 321					if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 322						Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 323					}
 324				}
 325				if (account.setShowErrorNotification(true)) {
 326					databaseBackend.updateAccount(account);
 327				}
 328				mMessageArchiveService.executePendingQueries(account);
 329				if (connection != null && connection.getFeatures().csi()) {
 330					if (checkListeners()) {
 331						Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//inactive");
 332						connection.sendInactive();
 333					} else {
 334						Log.d(Config.LOGTAG, account.getJid().asBareJid() + " sending csi//active");
 335						connection.sendActive();
 336					}
 337				}
 338				List<Conversation> conversations = getConversations();
 339				for (Conversation conversation : conversations) {
 340					if (conversation.getAccount() == account && !account.pendingConferenceJoins.contains(conversation)) {
 341						sendUnsentMessages(conversation);
 342					}
 343				}
 344				for (Conversation conversation : account.pendingConferenceLeaves) {
 345					leaveMuc(conversation);
 346				}
 347				account.pendingConferenceLeaves.clear();
 348				for (Conversation conversation : account.pendingConferenceJoins) {
 349					joinMuc(conversation);
 350				}
 351				account.pendingConferenceJoins.clear();
 352				scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 353			} else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 354				resetSendingToWaiting(account);
 355				if (account.isEnabled() && isInLowPingTimeoutMode(account)) {
 356					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": went into offline state during low ping mode. reconnecting now");
 357					reconnectAccount(account, true, false);
 358				} else {
 359					int timeToReconnect = mRandom.nextInt(10) + 2;
 360					scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 361				}
 362			} else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 363				databaseBackend.updateAccount(account);
 364				reconnectAccount(account, true, false);
 365			} else if (account.getStatus() != Account.State.CONNECTING && account.getStatus() != Account.State.NO_INTERNET) {
 366				resetSendingToWaiting(account);
 367				if (connection != null && account.getStatus().isAttemptReconnect()) {
 368					final int next = connection.getTimeToNextAttempt();
 369					final boolean lowPingTimeoutMode = isInLowPingTimeoutMode(account);
 370					if (next <= 0) {
 371						Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. reconnecting now. lowPingTimeout=" + Boolean.toString(lowPingTimeoutMode));
 372						reconnectAccount(account, true, false);
 373					} else {
 374						final int attempt = connection.getAttempt() + 1;
 375						Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": error connecting account. try again in " + next + "s for the " + attempt + " time. lowPingTimeout=" + Boolean.toString(lowPingTimeoutMode));
 376						scheduleWakeUpCall(next, account.getUuid().hashCode());
 377					}
 378				}
 379			}
 380			getNotificationService().updateErrorNotification();
 381		}
 382	};
 383	private OpenPgpServiceConnection pgpServiceConnection;
 384	private PgpEngine mPgpEngine = null;
 385	private WakeLock wakeLock;
 386	private PowerManager pm;
 387	private LruCache<String, Bitmap> mBitmapCache;
 388	private EventReceiver mEventReceiver = new EventReceiver();
 389
 390	private static String generateFetchKey(Account account, final Avatar avatar) {
 391		return account.getJid().asBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 392	}
 393
 394	private boolean isInLowPingTimeoutMode(Account account) {
 395		synchronized (mLowPingTimeoutMode) {
 396			return mLowPingTimeoutMode.contains(account.getJid().asBareJid());
 397		}
 398	}
 399
 400	public void startForcingForegroundNotification() {
 401		mForceForegroundService.set(true);
 402		toggleForegroundService();
 403	}
 404
 405	public void stopForcingForegroundNotification() {
 406		mForceForegroundService.set(false);
 407		toggleForegroundService();
 408	}
 409
 410	public boolean areMessagesInitialized() {
 411		return this.restoredFromDatabaseLatch.getCount() == 0;
 412	}
 413
 414	public PgpEngine getPgpEngine() {
 415		if (!Config.supportOpenPgp()) {
 416			return null;
 417		} else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 418			if (this.mPgpEngine == null) {
 419				this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 420						getApplicationContext(),
 421						pgpServiceConnection.getService()), this);
 422			}
 423			return mPgpEngine;
 424		} else {
 425			return null;
 426		}
 427
 428	}
 429
 430	public OpenPgpApi getOpenPgpApi() {
 431		if (!Config.supportOpenPgp()) {
 432			return null;
 433		} else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 434			return new OpenPgpApi(this, pgpServiceConnection.getService());
 435		} else {
 436			return null;
 437		}
 438	}
 439
 440	public FileBackend getFileBackend() {
 441		return this.fileBackend;
 442	}
 443
 444	public AvatarService getAvatarService() {
 445		return this.mAvatarService;
 446	}
 447
 448	public void attachLocationToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 449		int encryption = conversation.getNextEncryption();
 450		if (encryption == Message.ENCRYPTION_PGP) {
 451			encryption = Message.ENCRYPTION_DECRYPTED;
 452		}
 453		Message message = new Message(conversation, uri.toString(), encryption);
 454		if (conversation.getNextCounterpart() != null) {
 455			message.setCounterpart(conversation.getNextCounterpart());
 456		}
 457		if (encryption == Message.ENCRYPTION_DECRYPTED) {
 458			getPgpEngine().encrypt(message, callback);
 459		} else {
 460			sendMessage(message);
 461			callback.success(message);
 462		}
 463	}
 464
 465	public void attachFileToConversation(final Conversation conversation, final Uri uri, final String type, final UiCallback<Message> callback) {
 466		if (FileBackend.weOwnFile(this, uri)) {
 467			Log.d(Config.LOGTAG, "trying to attach file that belonged to us");
 468			callback.error(R.string.security_error_invalid_file_access, null);
 469			return;
 470		}
 471		final Message message;
 472		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 473			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 474		} else {
 475			message = new Message(conversation, "", conversation.getNextEncryption());
 476		}
 477		message.setCounterpart(conversation.getNextCounterpart());
 478		message.setType(Message.TYPE_FILE);
 479		final AttachFileToConversationRunnable runnable = new AttachFileToConversationRunnable(this, uri, type, message, callback);
 480		if (runnable.isVideoMessage()) {
 481			mVideoCompressionExecutor.execute(runnable);
 482		} else {
 483			mFileAddingExecutor.execute(runnable);
 484		}
 485	}
 486
 487	public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 488		if (FileBackend.weOwnFile(this, uri)) {
 489			Log.d(Config.LOGTAG, "trying to attach file that belonged to us");
 490			callback.error(R.string.security_error_invalid_file_access, null);
 491			return;
 492		}
 493
 494		final String mimeType = MimeUtils.guessMimeTypeFromUri(this, uri);
 495		final String compressPictures = getCompressPicturesPreference();
 496
 497		if ("never".equals(compressPictures)
 498				|| ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))
 499				|| (mimeType != null && mimeType.endsWith("/gif"))) {
 500			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": not compressing picture. sending as file");
 501			attachFileToConversation(conversation, uri, mimeType, callback);
 502			return;
 503		}
 504		final Message message;
 505		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 506			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 507		} else {
 508			message = new Message(conversation, "", conversation.getNextEncryption());
 509		}
 510		message.setCounterpart(conversation.getNextCounterpart());
 511		message.setType(Message.TYPE_IMAGE);
 512		mFileAddingExecutor.execute(() -> {
 513			try {
 514				getFileBackend().copyImageToPrivateStorage(message, uri);
 515				if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 516					final PgpEngine pgpEngine = getPgpEngine();
 517					if (pgpEngine != null) {
 518						pgpEngine.encrypt(message, callback);
 519					} else if (callback != null) {
 520						callback.error(R.string.unable_to_connect_to_keychain, null);
 521					}
 522				} else {
 523					sendMessage(message);
 524					callback.success(message);
 525				}
 526			} catch (final FileBackend.FileCopyException e) {
 527				callback.error(e.getResId(), message);
 528			}
 529		});
 530	}
 531
 532	public Conversation find(Bookmark bookmark) {
 533		return find(bookmark.getAccount(), bookmark.getJid());
 534	}
 535
 536	public Conversation find(final Account account, final Jid jid) {
 537		return find(getConversations(), account, jid);
 538	}
 539
 540	public void search(List<String> term, OnSearchResultsAvailable onSearchResultsAvailable) {
 541		MessageSearchTask.search(this, term, onSearchResultsAvailable);
 542	}
 543
 544	@Override
 545	public int onStartCommand(Intent intent, int flags, int startId) {
 546		final String action = intent == null ? null : intent.getAction();
 547		String pushedAccountHash = null;
 548		boolean interactive = false;
 549		if (action != null) {
 550			final String uuid = intent.getStringExtra("uuid");
 551			switch (action) {
 552				case ConnectivityManager.CONNECTIVITY_ACTION:
 553					if (hasInternetConnection() && Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 554						resetAllAttemptCounts(true, false);
 555					}
 556					break;
 557				case ACTION_MERGE_PHONE_CONTACTS:
 558					if (restoredFromDatabaseLatch.getCount() == 0) {
 559						loadPhoneContacts();
 560					}
 561					return START_STICKY;
 562				case Intent.ACTION_SHUTDOWN:
 563					logoutAndSave(true);
 564					return START_NOT_STICKY;
 565				case ACTION_CLEAR_NOTIFICATION:
 566					mNotificationExecutor.execute(() -> {
 567						try {
 568							final Conversation c = findConversationByUuid(uuid);
 569							if (c != null) {
 570								mNotificationService.clear(c);
 571							} else {
 572								mNotificationService.clear();
 573							}
 574							restoredFromDatabaseLatch.await();
 575
 576						} catch (InterruptedException e) {
 577							Log.d(Config.LOGTAG, "unable to process clear notification");
 578						}
 579					});
 580					break;
 581				case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 582					dismissErrorNotifications();
 583					break;
 584				case ACTION_TRY_AGAIN:
 585					resetAllAttemptCounts(false, true);
 586					interactive = true;
 587					break;
 588				case ACTION_REPLY_TO_CONVERSATION:
 589					Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 590					if (remoteInput == null) {
 591						break;
 592					}
 593					final CharSequence body = remoteInput.getCharSequence("text_reply");
 594					final boolean dismissNotification = intent.getBooleanExtra("dismiss_notification", false);
 595					if (body == null || body.length() <= 0) {
 596						break;
 597					}
 598					mNotificationExecutor.execute(() -> {
 599						try {
 600							restoredFromDatabaseLatch.await();
 601							final Conversation c = findConversationByUuid(uuid);
 602							if (c != null) {
 603								directReply(c, body.toString(), dismissNotification);
 604							}
 605						} catch (InterruptedException e) {
 606							Log.d(Config.LOGTAG, "unable to process direct reply");
 607						}
 608					});
 609					break;
 610				case ACTION_MARK_AS_READ:
 611					mNotificationExecutor.execute(() -> {
 612						final Conversation c = findConversationByUuid(uuid);
 613						if (c == null) {
 614							Log.d(Config.LOGTAG, "received mark read intent for unknown conversation (" + uuid + ")");
 615							return;
 616						}
 617						try {
 618							restoredFromDatabaseLatch.await();
 619							sendReadMarker(c, null);
 620						} catch (InterruptedException e) {
 621							Log.d(Config.LOGTAG, "unable to process notification read marker for conversation " + c.getName());
 622						}
 623
 624					});
 625					break;
 626				case ACTION_SNOOZE:
 627					mNotificationExecutor.execute(() -> {
 628						final Conversation c = findConversationByUuid(uuid);
 629						if (c == null) {
 630							Log.d(Config.LOGTAG, "received snooze intent for unknown conversation (" + uuid + ")");
 631							return;
 632						}
 633						c.setMutedTill(System.currentTimeMillis() + 30 * 60 * 1000);
 634						mNotificationService.clear(c);
 635						updateConversation(c);
 636					});
 637				case AudioManager.RINGER_MODE_CHANGED_ACTION:
 638					if (dndOnSilentMode()) {
 639						refreshAllPresences();
 640					}
 641					break;
 642				case Intent.ACTION_SCREEN_ON:
 643					deactivateGracePeriod();
 644				case Intent.ACTION_SCREEN_OFF:
 645					if (awayWhenScreenOff()) {
 646						refreshAllPresences();
 647					}
 648					break;
 649				case ACTION_FCM_TOKEN_REFRESH:
 650					refreshAllFcmTokens();
 651					break;
 652				case ACTION_IDLE_PING:
 653					if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 654						scheduleNextIdlePing();
 655					}
 656					break;
 657				case ACTION_FCM_MESSAGE_RECEIVED:
 658					pushedAccountHash = intent.getStringExtra("account");
 659					Log.d(Config.LOGTAG, "push message arrived in service. account=" + pushedAccountHash);
 660					break;
 661				case Intent.ACTION_SEND:
 662					Uri uri = intent.getData();
 663					if (uri != null) {
 664						Log.d(Config.LOGTAG, "received uri permission for " + uri.toString());
 665					}
 666					return START_STICKY;
 667			}
 668		}
 669		synchronized (this) {
 670			WakeLockHelper.acquire(wakeLock);
 671			boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action);
 672			HashSet<Account> pingCandidates = new HashSet<>();
 673			for (Account account : accounts) {
 674				pingNow |= processAccountState(account,
 675						interactive,
 676						"ui".equals(action),
 677						CryptoHelper.getAccountFingerprint(account,PhoneHelper.getAndroidId(this)).equals(pushedAccountHash),
 678						pingCandidates);
 679			}
 680			if (pingNow) {
 681				for (Account account : pingCandidates) {
 682					final boolean lowTimeout = isInLowPingTimeoutMode(account);
 683					account.getXmppConnection().sendPing();
 684					Log.d(Config.LOGTAG, account.getJid().asBareJid() + " send ping (action=" + action + ",lowTimeout=" + Boolean.toString(lowTimeout) + ")");
 685					scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 686				}
 687			}
 688			WakeLockHelper.release(wakeLock);
 689		}
 690		if (SystemClock.elapsedRealtime() - mLastExpiryRun.get() >= Config.EXPIRY_INTERVAL) {
 691			expireOldMessages();
 692		}
 693		return START_STICKY;
 694	}
 695
 696	private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 697		boolean pingNow = false;
 698		if (account.getStatus().isAttemptReconnect()) {
 699			if (!hasInternetConnection()) {
 700				account.setStatus(Account.State.NO_INTERNET);
 701				if (statusListener != null) {
 702					statusListener.onStatusChanged(account);
 703				}
 704			} else {
 705				if (account.getStatus() == Account.State.NO_INTERNET) {
 706					account.setStatus(Account.State.OFFLINE);
 707					if (statusListener != null) {
 708						statusListener.onStatusChanged(account);
 709					}
 710				}
 711				if (account.getStatus() == Account.State.ONLINE) {
 712					synchronized (mLowPingTimeoutMode) {
 713						long lastReceived = account.getXmppConnection().getLastPacketReceived();
 714						long lastSent = account.getXmppConnection().getLastPingSent();
 715						long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 716						long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 717						int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().asBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 718						long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 719						if (lastSent > lastReceived) {
 720							if (pingTimeoutIn < 0) {
 721								Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": ping timeout");
 722								this.reconnectAccount(account, true, interactive);
 723							} else {
 724								int secs = (int) (pingTimeoutIn / 1000);
 725								this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 726							}
 727						} else {
 728							pingCandidates.add(account);
 729							if (isAccountPushed) {
 730								pingNow = true;
 731								if (mLowPingTimeoutMode.add(account.getJid().asBareJid())) {
 732									Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": entering low ping timeout mode");
 733								}
 734							} else if (msToNextPing <= 0) {
 735								pingNow = true;
 736							} else {
 737								this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 738								if (mLowPingTimeoutMode.remove(account.getJid().asBareJid())) {
 739									Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": leaving low ping timeout mode");
 740								}
 741							}
 742						}
 743					}
 744				} else if (account.getStatus() == Account.State.OFFLINE) {
 745					reconnectAccount(account, true, interactive);
 746				} else if (account.getStatus() == Account.State.CONNECTING) {
 747					long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 748					long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 749					long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 750					long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 751					if (timeout < 0) {
 752						Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast=" + secondsSinceLastConnect + ")");
 753						account.getXmppConnection().resetAttemptCount(false);
 754						reconnectAccount(account, true, interactive);
 755					} else if (discoTimeout < 0) {
 756						account.getXmppConnection().sendDiscoTimeout();
 757						scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 758					} else {
 759						scheduleWakeUpCall((int) Math.min(timeout, discoTimeout), account.getUuid().hashCode());
 760					}
 761				} else {
 762					if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 763						reconnectAccount(account, true, interactive);
 764					}
 765				}
 766			}
 767		}
 768		return pingNow;
 769	}
 770
 771	public boolean isDataSaverDisabled() {
 772		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 773			ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 774			return !connectivityManager.isActiveNetworkMetered()
 775					|| connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 776		} else {
 777			return true;
 778		}
 779	}
 780
 781	private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 782		Message message = new Message(conversation, body, conversation.getNextEncryption());
 783		message.markUnread();
 784		if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 785			getPgpEngine().encrypt(message, new UiCallback<Message>() {
 786				@Override
 787				public void success(Message message) {
 788					message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 789					sendMessage(message);
 790					if (dismissAfterReply) {
 791						markRead((Conversation) message.getConversation(), true);
 792					} else {
 793						mNotificationService.pushFromDirectReply(message);
 794					}
 795				}
 796
 797				@Override
 798				public void error(int errorCode, Message object) {
 799
 800				}
 801
 802				@Override
 803				public void userInputRequried(PendingIntent pi, Message object) {
 804
 805				}
 806			});
 807		} else {
 808			sendMessage(message);
 809			if (dismissAfterReply) {
 810				markRead(conversation, true);
 811			} else {
 812				mNotificationService.pushFromDirectReply(message);
 813			}
 814		}
 815	}
 816
 817	private boolean dndOnSilentMode() {
 818		return getBooleanPreference(SettingsActivity.DND_ON_SILENT_MODE, R.bool.dnd_on_silent_mode);
 819	}
 820
 821	private boolean manuallyChangePresence() {
 822		return getBooleanPreference(SettingsActivity.MANUALLY_CHANGE_PRESENCE, R.bool.manually_change_presence);
 823	}
 824
 825	private boolean treatVibrateAsSilent() {
 826		return getBooleanPreference(SettingsActivity.TREAT_VIBRATE_AS_SILENT, R.bool.treat_vibrate_as_silent);
 827	}
 828
 829	private boolean awayWhenScreenOff() {
 830		return getBooleanPreference(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, R.bool.away_when_screen_off);
 831	}
 832
 833	private String getCompressPicturesPreference() {
 834		return getPreferences().getString("picture_compression", getResources().getString(R.string.picture_compression));
 835	}
 836
 837	private Presence.Status getTargetPresence() {
 838		if (dndOnSilentMode() && isPhoneSilenced()) {
 839			return Presence.Status.DND;
 840		} else if (awayWhenScreenOff() && !isInteractive()) {
 841			return Presence.Status.AWAY;
 842		} else {
 843			return Presence.Status.ONLINE;
 844		}
 845	}
 846
 847	@SuppressLint("NewApi")
 848	@SuppressWarnings("deprecation")
 849	public boolean isInteractive() {
 850		final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 851
 852		final boolean isScreenOn;
 853		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 854			isScreenOn = pm.isScreenOn();
 855		} else {
 856			isScreenOn = pm.isInteractive();
 857		}
 858		return isScreenOn;
 859	}
 860
 861	private boolean isPhoneSilenced() {
 862		AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 863		try {
 864			if (treatVibrateAsSilent()) {
 865				return audioManager.getRingerMode() != AudioManager.RINGER_MODE_NORMAL;
 866			} else {
 867				return audioManager.getRingerMode() == AudioManager.RINGER_MODE_SILENT;
 868			}
 869		} catch (Throwable throwable) {
 870			Log.d(Config.LOGTAG, "platform bug in isPhoneSilenced (" + throwable.getMessage() + ")");
 871			return false;
 872		}
 873	}
 874
 875	private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
 876		Log.d(Config.LOGTAG, "resetting all attempt counts");
 877		for (Account account : accounts) {
 878			if (account.hasErrorStatus() || reallyAll) {
 879				final XmppConnection connection = account.getXmppConnection();
 880				if (connection != null) {
 881					connection.resetAttemptCount(retryImmediately);
 882				}
 883			}
 884			if (account.setShowErrorNotification(true)) {
 885				databaseBackend.updateAccount(account);
 886			}
 887		}
 888		mNotificationService.updateErrorNotification();
 889	}
 890
 891	private void dismissErrorNotifications() {
 892		for (final Account account : this.accounts) {
 893			if (account.hasErrorStatus()) {
 894				Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": dismissing error notification");
 895				if (account.setShowErrorNotification(false)) {
 896					databaseBackend.updateAccount(account);
 897				}
 898			}
 899		}
 900	}
 901
 902	private void expireOldMessages() {
 903		expireOldMessages(false);
 904	}
 905
 906	public void expireOldMessages(final boolean resetHasMessagesLeftOnServer) {
 907		mLastExpiryRun.set(SystemClock.elapsedRealtime());
 908		mDatabaseWriterExecutor.execute(() -> {
 909			long timestamp = getAutomaticMessageDeletionDate();
 910			if (timestamp > 0) {
 911				databaseBackend.expireOldMessages(timestamp);
 912				synchronized (XmppConnectionService.this.conversations) {
 913					for (Conversation conversation : XmppConnectionService.this.conversations) {
 914						conversation.expireOldMessages(timestamp);
 915						if (resetHasMessagesLeftOnServer) {
 916							conversation.messagesLoaded.set(true);
 917							conversation.setHasMessagesLeftOnServer(true);
 918						}
 919					}
 920				}
 921				updateConversationUi();
 922			}
 923		});
 924	}
 925
 926	public boolean hasInternetConnection() {
 927		final ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
 928		try {
 929			final NetworkInfo activeNetwork = cm == null ? null : cm.getActiveNetworkInfo();
 930			return activeNetwork != null && activeNetwork.isConnected();
 931		} catch (RuntimeException e) {
 932			Log.d(Config.LOGTAG, "unable to check for internet connection", e);
 933			return true; //if internet connection can not be checked it is probably best to just try
 934		}
 935	}
 936
 937	@SuppressLint("TrulyRandom")
 938	@Override
 939	public void onCreate() {
 940		OmemoSetting.load(this);
 941		ExceptionHelper.init(getApplicationContext());
 942		PRNGFixes.apply();
 943		Resolver.init(this);
 944		this.mRandom = new SecureRandom();
 945		updateMemorizingTrustmanager();
 946		final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
 947		final int cacheSize = maxMemory / 8;
 948		this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
 949			@Override
 950			protected int sizeOf(final String key, final Bitmap bitmap) {
 951				return bitmap.getByteCount() / 1024;
 952			}
 953		};
 954		if (mLastActivity == 0) {
 955			mLastActivity = getPreferences().getLong(SETTING_LAST_ACTIVITY_TS, System.currentTimeMillis());
 956		}
 957
 958		Log.d(Config.LOGTAG, "initializing database...");
 959		this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
 960		Log.d(Config.LOGTAG, "restoring accounts...");
 961		this.accounts = databaseBackend.getAccounts();
 962		final SharedPreferences.Editor editor = getPreferences().edit();
 963		if (this.accounts.size() == 0 && Arrays.asList("Sony", "Sony Ericsson").contains(Build.MANUFACTURER)) {
 964			editor.putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, true);
 965			Log.d(Config.LOGTAG, Build.MANUFACTURER + " is on blacklist. enabling foreground service");
 966		}
 967		editor.putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts()).apply();
 968		editor.apply();
 969
 970		restoreFromDatabase();
 971
 972		getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, contactObserver);
 973		new Thread(fileObserver::startWatching).start();
 974		if (Config.supportOpenPgp()) {
 975			this.pgpServiceConnection = new OpenPgpServiceConnection(this, "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
 976				@Override
 977				public void onBound(IOpenPgpService2 service) {
 978					for (Account account : accounts) {
 979						final PgpDecryptionService pgp = account.getPgpDecryptionService();
 980						if (pgp != null) {
 981							pgp.continueDecryption(true);
 982						}
 983					}
 984				}
 985
 986				@Override
 987				public void onError(Exception e) {
 988				}
 989			});
 990			this.pgpServiceConnection.bindToService();
 991		}
 992
 993		this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 994		this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "XmppConnectionService");
 995
 996		toggleForegroundService();
 997		updateUnreadCountBadge();
 998		toggleScreenEventReceiver();
 999		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
1000			scheduleNextIdlePing();
1001		}
1002		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1003			registerReceiver(this.mEventReceiver, new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
1004		}
1005	}
1006
1007	@Override
1008	public void onTrimMemory(int level) {
1009		super.onTrimMemory(level);
1010		if (level >= TRIM_MEMORY_COMPLETE) {
1011			Log.d(Config.LOGTAG, "clear cache due to low memory");
1012			getBitmapCache().evictAll();
1013		}
1014	}
1015
1016	@Override
1017	public void onDestroy() {
1018		try {
1019			unregisterReceiver(this.mEventReceiver);
1020		} catch (IllegalArgumentException e) {
1021			//ignored
1022		}
1023		fileObserver.stopWatching();
1024		super.onDestroy();
1025	}
1026
1027	public void toggleScreenEventReceiver() {
1028		if (awayWhenScreenOff() && !manuallyChangePresence()) {
1029			final IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_ON);
1030			filter.addAction(Intent.ACTION_SCREEN_OFF);
1031			registerReceiver(this.mEventReceiver, filter);
1032		} else {
1033			try {
1034				unregisterReceiver(this.mEventReceiver);
1035			} catch (IllegalArgumentException e) {
1036				//ignored
1037			}
1038		}
1039	}
1040
1041	public void toggleForegroundService() {
1042		if (mForceForegroundService.get() || (keepForegroundService() && hasEnabledAccounts())) {
1043			startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, this.mNotificationService.createForegroundNotification());
1044			Log.d(Config.LOGTAG, "started foreground service");
1045		} else {
1046			stopForeground(true);
1047			Log.d(Config.LOGTAG, "stopped foreground service");
1048		}
1049	}
1050
1051	public boolean keepForegroundService() {
1052		return getBooleanPreference(SettingsActivity.KEEP_FOREGROUND_SERVICE, R.bool.enable_foreground_service);
1053	}
1054
1055	@Override
1056	public void onTaskRemoved(final Intent rootIntent) {
1057		super.onTaskRemoved(rootIntent);
1058		if (keepForegroundService() || mForceForegroundService.get()) {
1059			Log.d(Config.LOGTAG, "ignoring onTaskRemoved because foreground service is activated");
1060		} else {
1061			this.logoutAndSave(false);
1062		}
1063	}
1064
1065	private void logoutAndSave(boolean stop) {
1066		int activeAccounts = 0;
1067		for (final Account account : accounts) {
1068			if (account.getStatus() != Account.State.DISABLED) {
1069				databaseBackend.writeRoster(account.getRoster());
1070				activeAccounts++;
1071			}
1072			if (account.getXmppConnection() != null) {
1073				new Thread(() -> disconnect(account, false)).start();
1074			}
1075		}
1076		if (stop || activeAccounts == 0) {
1077			Log.d(Config.LOGTAG, "good bye");
1078			stopSelf();
1079		}
1080	}
1081
1082	public void scheduleWakeUpCall(int seconds, int requestCode) {
1083		final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
1084		final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1085		Intent intent = new Intent(this, EventReceiver.class);
1086		intent.setAction("ping");
1087		PendingIntent pendingIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
1088		try {
1089			alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1090		} catch (RuntimeException e) {
1091			Log.e(Config.LOGTAG, "unable to schedule alarm for ping", e);
1092		}
1093	}
1094
1095	@TargetApi(Build.VERSION_CODES.M)
1096	private void scheduleNextIdlePing() {
1097		final long timeToWake = SystemClock.elapsedRealtime() + (Config.IDLE_PING_INTERVAL * 1000);
1098		final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1099		Intent intent = new Intent(this, EventReceiver.class);
1100		intent.setAction(ACTION_IDLE_PING);
1101		PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);
1102		try {
1103			alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, pendingIntent);
1104		} catch (RuntimeException e) {
1105			Log.d(Config.LOGTAG, "unable to schedule alarm for idle ping", e);
1106		}
1107	}
1108
1109	public XmppConnection createConnection(final Account account) {
1110		final XmppConnection connection = new XmppConnection(account, this);
1111		connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1112		connection.setOnStatusChangedListener(this.statusListener);
1113		connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1114		connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1115		connection.setOnJinglePacketReceivedListener(this.jingleListener);
1116		connection.setOnBindListener(this.mOnBindListener);
1117		connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1118		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1119		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1120		AxolotlService axolotlService = account.getAxolotlService();
1121		if (axolotlService != null) {
1122			connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1123		}
1124		return connection;
1125	}
1126
1127	public void sendChatState(Conversation conversation) {
1128		if (sendChatStates()) {
1129			MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1130			sendMessagePacket(conversation.getAccount(), packet);
1131		}
1132	}
1133
1134	private void sendFileMessage(final Message message, final boolean delay) {
1135		Log.d(Config.LOGTAG, "send file message");
1136		final Account account = message.getConversation().getAccount();
1137		if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1138				|| message.getConversation().getMode() == Conversation.MODE_MULTI) {
1139			mHttpConnectionManager.createNewUploadConnection(message, delay);
1140		} else {
1141			mJingleConnectionManager.createNewConnection(message);
1142		}
1143	}
1144
1145	public void sendMessage(final Message message) {
1146		sendMessage(message, false, false);
1147	}
1148
1149	private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1150		final Account account = message.getConversation().getAccount();
1151		if (account.setShowErrorNotification(true)) {
1152			databaseBackend.updateAccount(account);
1153			mNotificationService.updateErrorNotification();
1154		}
1155		final Conversation conversation = (Conversation) message.getConversation();
1156		account.deactivateGracePeriod();
1157		MessagePacket packet = null;
1158		final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1159				|| !Patches.BAD_MUC_REFLECTION.contains(account.getServerIdentity()))
1160				&& !message.edited();
1161		boolean saveInDb = addToConversation;
1162		message.setStatus(Message.STATUS_WAITING);
1163
1164		if (account.isOnlineAndConnected()) {
1165			switch (message.getEncryption()) {
1166				case Message.ENCRYPTION_NONE:
1167					if (message.needsUploading()) {
1168						if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1169								|| conversation.getMode() == Conversation.MODE_MULTI
1170								|| message.fixCounterpart()) {
1171							this.sendFileMessage(message, delay);
1172						} else {
1173							break;
1174						}
1175					} else {
1176						packet = mMessageGenerator.generateChat(message);
1177					}
1178					break;
1179				case Message.ENCRYPTION_PGP:
1180				case Message.ENCRYPTION_DECRYPTED:
1181					if (message.needsUploading()) {
1182						if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1183								|| conversation.getMode() == Conversation.MODE_MULTI
1184								|| message.fixCounterpart()) {
1185							this.sendFileMessage(message, delay);
1186						} else {
1187							break;
1188						}
1189					} else {
1190						packet = mMessageGenerator.generatePgpChat(message);
1191					}
1192					break;
1193				case Message.ENCRYPTION_AXOLOTL:
1194					message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1195					if (message.needsUploading()) {
1196						if (account.httpUploadAvailable(fileBackend.getFile(message, false).getSize())
1197								|| conversation.getMode() == Conversation.MODE_MULTI
1198								|| message.fixCounterpart()) {
1199							this.sendFileMessage(message, delay);
1200						} else {
1201							break;
1202						}
1203					} else {
1204						XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1205						if (axolotlMessage == null) {
1206							account.getAxolotlService().preparePayloadMessage(message, delay);
1207						} else {
1208							packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1209						}
1210					}
1211					break;
1212
1213			}
1214			if (packet != null) {
1215				if (account.getXmppConnection().getFeatures().sm()
1216						|| (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1217					message.setStatus(Message.STATUS_UNSEND);
1218				} else {
1219					message.setStatus(Message.STATUS_SEND);
1220				}
1221			}
1222		} else {
1223			switch (message.getEncryption()) {
1224				case Message.ENCRYPTION_DECRYPTED:
1225					if (!message.needsUploading()) {
1226						String pgpBody = message.getEncryptedBody();
1227						String decryptedBody = message.getBody();
1228						message.setBody(pgpBody); //TODO might throw NPE
1229						message.setEncryption(Message.ENCRYPTION_PGP);
1230						if (message.edited()) {
1231							message.setBody(decryptedBody);
1232							message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1233							databaseBackend.updateMessage(message, message.getEditedId());
1234							updateConversationUi();
1235							return;
1236						} else {
1237							databaseBackend.createMessage(message);
1238							saveInDb = false;
1239							message.setBody(decryptedBody);
1240							message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1241						}
1242					}
1243					break;
1244				case Message.ENCRYPTION_AXOLOTL:
1245					message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1246					break;
1247			}
1248		}
1249
1250
1251		boolean mucMessage = conversation.getMode() == Conversation.MODE_MULTI && message.getType() != Message.TYPE_PRIVATE;
1252		if (mucMessage) {
1253			message.setCounterpart(conversation.getMucOptions().getSelf().getFullJid());
1254		}
1255
1256		if (resend) {
1257			if (packet != null && addToConversation) {
1258				if (account.getXmppConnection().getFeatures().sm() || mucMessage) {
1259					markMessage(message, Message.STATUS_UNSEND);
1260				} else {
1261					markMessage(message, Message.STATUS_SEND);
1262				}
1263			}
1264		} else {
1265			if (addToConversation) {
1266				conversation.add(message);
1267			}
1268			if (saveInDb) {
1269				databaseBackend.createMessage(message);
1270			} else if (message.edited()) {
1271				databaseBackend.updateMessage(message, message.getEditedId());
1272			}
1273			updateConversationUi();
1274		}
1275		if (packet != null) {
1276			if (delay) {
1277				mMessageGenerator.addDelay(packet, message.getTimeSent());
1278			}
1279			if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1280				if (this.sendChatStates()) {
1281					packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1282				}
1283			}
1284			sendMessagePacket(account, packet);
1285		}
1286	}
1287
1288	private void sendUnsentMessages(final Conversation conversation) {
1289		conversation.findWaitingMessages(new Conversation.OnMessageFound() {
1290
1291			@Override
1292			public void onMessageFound(Message message) {
1293				resendMessage(message, true);
1294			}
1295		});
1296	}
1297
1298	public void resendMessage(final Message message, final boolean delay) {
1299		sendMessage(message, true, delay);
1300	}
1301
1302	public void fetchRosterFromServer(final Account account) {
1303		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1304		if (!"".equals(account.getRosterVersion())) {
1305			Log.d(Config.LOGTAG, account.getJid().asBareJid()
1306					+ ": fetching roster version " + account.getRosterVersion());
1307		} else {
1308			Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching roster");
1309		}
1310		iqPacket.query(Namespace.ROSTER).setAttribute("ver", account.getRosterVersion());
1311		sendIqPacket(account, iqPacket, mIqParser);
1312	}
1313
1314	public void fetchBookmarks(final Account account) {
1315		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1316		final Element query = iqPacket.query("jabber:iq:private");
1317		query.addChild("storage", "storage:bookmarks");
1318		final OnIqPacketReceived callback = new OnIqPacketReceived() {
1319
1320			@Override
1321			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1322				if (packet.getType() == IqPacket.TYPE.RESULT) {
1323					final Element query = packet.query();
1324					final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1325					final Element storage = query.findChild("storage", "storage:bookmarks");
1326					final boolean autojoin = respectAutojoin();
1327					if (storage != null) {
1328						for (final Element item : storage.getChildren()) {
1329							if (item.getName().equals("conference")) {
1330								final Bookmark bookmark = Bookmark.parse(item, account);
1331								Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1332								if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1333									bookmark.setBookmarkName(old.getBookmarkName());
1334								}
1335								Conversation conversation = find(bookmark);
1336								if (conversation != null) {
1337									bookmark.setConversation(conversation);
1338								} else if (bookmark.autojoin() && bookmark.getJid() != null && autojoin) {
1339									conversation = findOrCreateConversation(account, bookmark.getJid(), true, true, false);
1340									bookmark.setConversation(conversation);
1341								}
1342							}
1343						}
1344					}
1345					account.setBookmarks(new CopyOnWriteArrayList<>(bookmarks.values()));
1346				} else {
1347					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not fetch bookmarks");
1348				}
1349			}
1350		};
1351		sendIqPacket(account, iqPacket, callback);
1352	}
1353
1354	public void pushBookmarks(Account account) {
1355		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": pushing bookmarks");
1356		IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1357		Element query = iqPacket.query("jabber:iq:private");
1358		Element storage = query.addChild("storage", "storage:bookmarks");
1359		for (Bookmark bookmark : account.getBookmarks()) {
1360			storage.addChild(bookmark);
1361		}
1362		sendIqPacket(account, iqPacket, mDefaultIqHandler);
1363	}
1364
1365	private void restoreFromDatabase() {
1366		synchronized (this.conversations) {
1367			final Map<String, Account> accountLookupTable = new Hashtable<>();
1368			for (Account account : this.accounts) {
1369				accountLookupTable.put(account.getUuid(), account);
1370			}
1371			Log.d(Config.LOGTAG, "restoring conversations...");
1372			final long startTimeConversationsRestore = SystemClock.elapsedRealtime();
1373			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1374			for (Iterator<Conversation> iterator = conversations.listIterator(); iterator.hasNext(); ) {
1375				Conversation conversation = iterator.next();
1376				Account account = accountLookupTable.get(conversation.getAccountUuid());
1377				if (account != null) {
1378					conversation.setAccount(account);
1379				} else {
1380					Log.e(Config.LOGTAG, "unable to restore Conversations with " + conversation.getJid());
1381					iterator.remove();
1382				}
1383			}
1384			long diffConversationsRestore = SystemClock.elapsedRealtime() - startTimeConversationsRestore;
1385			Log.d(Config.LOGTAG, "finished restoring conversations in " + diffConversationsRestore + "ms");
1386			Runnable runnable = () -> {
1387				long deletionDate = getAutomaticMessageDeletionDate();
1388				mLastExpiryRun.set(SystemClock.elapsedRealtime());
1389				if (deletionDate > 0) {
1390					Log.d(Config.LOGTAG, "deleting messages that are older than " + AbstractGenerator.getTimestamp(deletionDate));
1391					databaseBackend.expireOldMessages(deletionDate);
1392				}
1393				Log.d(Config.LOGTAG, "restoring roster...");
1394				for (Account account : accounts) {
1395					databaseBackend.readRoster(account.getRoster());
1396					account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1397				}
1398				getBitmapCache().evictAll();
1399				loadPhoneContacts();
1400				Log.d(Config.LOGTAG, "restoring messages...");
1401				final long startMessageRestore = SystemClock.elapsedRealtime();
1402				final Conversation quickLoad = QuickLoader.get(this.conversations);
1403				if (quickLoad != null) {
1404					restoreMessages(quickLoad);
1405					updateConversationUi();
1406					final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1407					Log.d(Config.LOGTAG,"quickly restored "+quickLoad.getName()+" after " + diffMessageRestore + "ms");
1408				}
1409				for (Conversation conversation : this.conversations) {
1410					if (quickLoad != conversation) {
1411						restoreMessages(conversation);
1412					}
1413				}
1414				mNotificationService.finishBacklog(false);
1415				restoredFromDatabaseLatch.countDown();
1416				final long diffMessageRestore = SystemClock.elapsedRealtime() - startMessageRestore;
1417				Log.d(Config.LOGTAG, "finished restoring messages in " + diffMessageRestore + "ms");
1418				updateConversationUi();
1419			};
1420			mDatabaseReaderExecutor.execute(runnable); //will contain one write command (expiry) but that's fine
1421		}
1422	}
1423
1424	private void restoreMessages(Conversation conversation) {
1425		conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1426		checkDeletedFiles(conversation);
1427		conversation.findUnsentTextMessages(message -> markMessage(message, Message.STATUS_WAITING));
1428		conversation.findUnreadMessages(message -> mNotificationService.pushFromBacklog(message));
1429	}
1430
1431	public void loadPhoneContacts() {
1432		mContactMergerExecutor.execute(() -> PhoneHelper.loadPhoneContacts(XmppConnectionService.this, new OnPhoneContactsLoadedListener() {
1433			@Override
1434			public void onPhoneContactsLoaded(List<Bundle> phoneContacts) {
1435				Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1436				for (Account account : accounts) {
1437					List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts();
1438					for (Bundle phoneContact : phoneContacts) {
1439						Jid jid;
1440						try {
1441							jid = Jid.of(phoneContact.getString("jid"));
1442						} catch (final IllegalArgumentException e) {
1443							continue;
1444						}
1445						final Contact contact = account.getRoster().getContact(jid);
1446						String systemAccount = phoneContact.getInt("phoneid")
1447								+ "#"
1448								+ phoneContact.getString("lookup");
1449						contact.setSystemAccount(systemAccount);
1450						boolean needsCacheClean = contact.setPhotoUri(phoneContact.getString("photouri"));
1451						needsCacheClean |= contact.setSystemName(phoneContact.getString("displayname"));
1452						if (needsCacheClean) {
1453							getAvatarService().clear(contact);
1454						}
1455						withSystemAccounts.remove(contact);
1456					}
1457					for (Contact contact : withSystemAccounts) {
1458						contact.setSystemAccount(null);
1459						boolean needsCacheClean = contact.setPhotoUri(null);
1460						needsCacheClean |= contact.setSystemName(null);
1461						if (needsCacheClean) {
1462							getAvatarService().clear(contact);
1463						}
1464					}
1465				}
1466				Log.d(Config.LOGTAG, "finished merging phone contacts");
1467				mShortcutService.refresh(mInitialAddressbookSyncCompleted.compareAndSet(false, true));
1468				updateAccountUi();
1469			}
1470		}));
1471	}
1472
1473
1474	public void syncRoster(final Account account) {
1475		mRosterSyncTaskManager.execute(account, () -> databaseBackend.writeRoster(account.getRoster()));
1476	}
1477
1478	public List<Conversation> getConversations() {
1479		return this.conversations;
1480	}
1481
1482	private void checkDeletedFiles(Conversation conversation) {
1483		conversation.findMessagesWithFiles(message -> {
1484			if (!getFileBackend().isFileAvailable(message)) {
1485				message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1486				final int s = message.getStatus();
1487				if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1488					markMessage(message, Message.STATUS_SEND_FAILED);
1489				}
1490			}
1491		});
1492	}
1493
1494	private void markFileDeleted(final String path) {
1495		Log.d(Config.LOGTAG, "deleted file " + path);
1496		for (Conversation conversation : getConversations()) {
1497			conversation.findMessagesWithFiles(message -> {
1498				DownloadableFile file = fileBackend.getFile(message);
1499				if (file.getAbsolutePath().equals(path)) {
1500					if (!file.exists()) {
1501						message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1502						final int s = message.getStatus();
1503						if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1504							markMessage(message, Message.STATUS_SEND_FAILED);
1505						} else {
1506							updateConversationUi();
1507						}
1508					} else {
1509						Log.d(Config.LOGTAG, "found matching message for file " + path + " but file still exists");
1510					}
1511				}
1512			});
1513		}
1514	}
1515
1516	public void populateWithOrderedConversations(final List<Conversation> list) {
1517		populateWithOrderedConversations(list, true);
1518	}
1519
1520	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1521		list.clear();
1522		if (includeNoFileUpload) {
1523			list.addAll(getConversations());
1524		} else {
1525			for (Conversation conversation : getConversations()) {
1526				if (conversation.getMode() == Conversation.MODE_SINGLE
1527						|| conversation.getAccount().httpUploadAvailable()) {
1528					list.add(conversation);
1529				}
1530			}
1531		}
1532		try {
1533			Collections.sort(list);
1534		} catch (IllegalArgumentException e) {
1535			//ignore
1536		}
1537	}
1538
1539	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1540		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1541			return;
1542		} else if (timestamp == 0) {
1543			return;
1544		}
1545		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1546		final Runnable runnable = () -> {
1547			final Account account = conversation.getAccount();
1548			List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1549			if (messages.size() > 0) {
1550				conversation.addAll(0, messages);
1551				checkDeletedFiles(conversation);
1552				callback.onMoreMessagesLoaded(messages.size(), conversation);
1553			} else if (conversation.hasMessagesLeftOnServer()
1554					&& account.isOnlineAndConnected()
1555					&& conversation.getLastClearHistory().getTimestamp() == 0) {
1556				final boolean mamAvailable;
1557				if (conversation.getMode() == Conversation.MODE_SINGLE) {
1558					mamAvailable = account.getXmppConnection().getFeatures().mam() && !conversation.getContact().isBlocked();
1559				} else {
1560					mamAvailable = conversation.getMucOptions().mamSupport();
1561				}
1562				if (mamAvailable) {
1563					MessageArchiveService.Query query = getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
1564					if (query != null) {
1565						query.setCallback(callback);
1566						callback.informUser(R.string.fetching_history_from_server);
1567					} else {
1568						callback.informUser(R.string.not_fetching_history_retention_period);
1569					}
1570
1571				}
1572			}
1573		};
1574		mDatabaseReaderExecutor.execute(runnable);
1575	}
1576
1577	public List<Account> getAccounts() {
1578		return this.accounts;
1579	}
1580
1581	public List<Conversation> findAllConferencesWith(Contact contact) {
1582		ArrayList<Conversation> results = new ArrayList<>();
1583		for (final Conversation c : conversations) {
1584			if (c.getMode() == Conversation.MODE_MULTI
1585					&& (c.getJid().asBareJid().equals(c.getJid().asBareJid()) || c.getMucOptions().isContactInRoom(contact))) {
1586				results.add(c);
1587			}
1588		}
1589		return results;
1590	}
1591
1592	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1593		for (final Conversation conversation : haystack) {
1594			if (conversation.getContact() == contact) {
1595				return conversation;
1596			}
1597		}
1598		return null;
1599	}
1600
1601	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1602		if (jid == null) {
1603			return null;
1604		}
1605		for (final Conversation conversation : haystack) {
1606			if ((account == null || conversation.getAccount() == account)
1607					&& (conversation.getJid().asBareJid().equals(jid.asBareJid()))) {
1608				return conversation;
1609			}
1610		}
1611		return null;
1612	}
1613
1614	public boolean isConversationsListEmpty(final Conversation ignore) {
1615		synchronized (this.conversations) {
1616			final int size = this.conversations.size();
1617			return size == 0 || size == 1 && this.conversations.get(0) == ignore;
1618		}
1619	}
1620
1621	public boolean isConversationStillOpen(final Conversation conversation) {
1622		synchronized (this.conversations) {
1623			for (Conversation current : this.conversations) {
1624				if (current == conversation) {
1625					return true;
1626				}
1627			}
1628		}
1629		return false;
1630	}
1631
1632	public Conversation findOrCreateConversation(Account account, Jid jid, boolean muc, final boolean async) {
1633		return this.findOrCreateConversation(account, jid, muc, false, async);
1634	}
1635
1636	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final boolean async) {
1637		return this.findOrCreateConversation(account, jid, muc, joinAfterCreate, null, async);
1638	}
1639
1640	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final boolean joinAfterCreate, final MessageArchiveService.Query query, final boolean async) {
1641		synchronized (this.conversations) {
1642			Conversation conversation = find(account, jid);
1643			if (conversation != null) {
1644				return conversation;
1645			}
1646			conversation = databaseBackend.findConversation(account, jid);
1647			final boolean loadMessagesFromDb;
1648			if (conversation != null) {
1649				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1650				conversation.setAccount(account);
1651				if (muc) {
1652					conversation.setMode(Conversation.MODE_MULTI);
1653					conversation.setContactJid(jid);
1654				} else {
1655					conversation.setMode(Conversation.MODE_SINGLE);
1656					conversation.setContactJid(jid.asBareJid());
1657				}
1658				databaseBackend.updateConversation(conversation);
1659				loadMessagesFromDb = conversation.messagesLoaded.compareAndSet(true, false);
1660			} else {
1661				String conversationName;
1662				Contact contact = account.getRoster().getContact(jid);
1663				if (contact != null) {
1664					conversationName = contact.getDisplayName();
1665				} else {
1666					conversationName = jid.getLocal();
1667				}
1668				if (muc) {
1669					conversation = new Conversation(conversationName, account, jid,
1670							Conversation.MODE_MULTI);
1671				} else {
1672					conversation = new Conversation(conversationName, account, jid.asBareJid(),
1673							Conversation.MODE_SINGLE);
1674				}
1675				this.databaseBackend.createConversation(conversation);
1676				loadMessagesFromDb = false;
1677			}
1678			final Conversation c = conversation;
1679			final Runnable runnable = () -> {
1680				if (loadMessagesFromDb) {
1681					c.addAll(0, databaseBackend.getMessages(c, Config.PAGE_SIZE));
1682					updateConversationUi();
1683					c.messagesLoaded.set(true);
1684				}
1685				if (account.getXmppConnection() != null
1686						&& !c.getContact().isBlocked()
1687						&& account.getXmppConnection().getFeatures().mam()
1688						&& !muc) {
1689					if (query == null) {
1690						mMessageArchiveService.query(c);
1691					} else {
1692						if (query.getConversation() == null) {
1693							mMessageArchiveService.query(c, query.getStart(), query.isCatchup());
1694						}
1695					}
1696				}
1697				checkDeletedFiles(c);
1698				if (joinAfterCreate) {
1699					joinMuc(c);
1700				}
1701			};
1702			if (async) {
1703				mDatabaseReaderExecutor.execute(runnable);
1704			} else {
1705				runnable.run();
1706			}
1707			this.conversations.add(conversation);
1708			updateConversationUi();
1709			return conversation;
1710		}
1711	}
1712
1713	public void archiveConversation(Conversation conversation) {
1714		getNotificationService().clear(conversation);
1715		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1716		conversation.setNextMessage(null);
1717		synchronized (this.conversations) {
1718			getMessageArchiveService().kill(conversation);
1719			if (conversation.getMode() == Conversation.MODE_MULTI) {
1720				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1721					Bookmark bookmark = conversation.getBookmark();
1722					if (bookmark != null && bookmark.autojoin() && respectAutojoin()) {
1723						bookmark.setAutojoin(false);
1724						pushBookmarks(bookmark.getAccount());
1725					}
1726				}
1727				leaveMuc(conversation);
1728			} else {
1729				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1730					Log.d(Config.LOGTAG, "Canceling presence request from " + conversation.getJid().toString());
1731					sendPresencePacket(
1732							conversation.getAccount(),
1733							mPresenceGenerator.stopPresenceUpdatesTo(conversation.getContact())
1734					);
1735				}
1736			}
1737			updateConversation(conversation);
1738			this.conversations.remove(conversation);
1739			updateConversationUi();
1740		}
1741	}
1742
1743	public void createAccount(final Account account) {
1744		account.initAccountServices(this);
1745		databaseBackend.createAccount(account);
1746		this.accounts.add(account);
1747		this.reconnectAccountInBackground(account);
1748		updateAccountUi();
1749		syncEnabledAccountSetting();
1750		toggleForegroundService();
1751	}
1752
1753	private void syncEnabledAccountSetting() {
1754		getPreferences().edit().putBoolean(EventReceiver.SETTING_ENABLED_ACCOUNTS, hasEnabledAccounts()).apply();
1755	}
1756
1757	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
1758		new Thread(() -> {
1759			try {
1760				final X509Certificate[] chain = KeyChain.getCertificateChain(this, alias);
1761				final X509Certificate cert = chain != null && chain.length > 0 ? chain[0] : null;
1762				if (cert == null) {
1763					callback.informUser(R.string.unable_to_parse_certificate);
1764					return;
1765				}
1766				Pair<Jid, String> info = CryptoHelper.extractJidAndName(cert);
1767				if (info == null) {
1768					callback.informUser(R.string.certificate_does_not_contain_jid);
1769					return;
1770				}
1771				if (findAccountByJid(info.first) == null) {
1772					Account account = new Account(info.first, "");
1773					account.setPrivateKeyAlias(alias);
1774					account.setOption(Account.OPTION_DISABLED, true);
1775					account.setDisplayName(info.second);
1776					createAccount(account);
1777					callback.onAccountCreated(account);
1778					if (Config.X509_VERIFICATION) {
1779						try {
1780							getMemorizingTrustManager().getNonInteractive(account.getJid().getDomain()).checkClientTrusted(chain, "RSA");
1781						} catch (CertificateException e) {
1782							callback.informUser(R.string.certificate_chain_is_not_trusted);
1783						}
1784					}
1785				} else {
1786					callback.informUser(R.string.account_already_exists);
1787				}
1788			} catch (Exception e) {
1789				e.printStackTrace();
1790				callback.informUser(R.string.unable_to_parse_certificate);
1791			}
1792		}).start();
1793
1794	}
1795
1796	public void updateKeyInAccount(final Account account, final String alias) {
1797		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": update key in account " + alias);
1798		try {
1799			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1800			Log.d(Config.LOGTAG, account.getJid().asBareJid() + " loaded certificate chain");
1801			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1802			if (info == null) {
1803				showErrorToastInUi(R.string.certificate_does_not_contain_jid);
1804				return;
1805			}
1806			if (account.getJid().asBareJid().equals(info.first)) {
1807				account.setPrivateKeyAlias(alias);
1808				account.setDisplayName(info.second);
1809				databaseBackend.updateAccount(account);
1810				if (Config.X509_VERIFICATION) {
1811					try {
1812						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1813					} catch (CertificateException e) {
1814						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
1815					}
1816					account.getAxolotlService().regenerateKeys(true);
1817				}
1818			} else {
1819				showErrorToastInUi(R.string.jid_does_not_match_certificate);
1820			}
1821		} catch (Exception e) {
1822			e.printStackTrace();
1823		}
1824	}
1825
1826	public boolean updateAccount(final Account account) {
1827		if (databaseBackend.updateAccount(account)) {
1828			account.setShowErrorNotification(true);
1829			this.statusListener.onStatusChanged(account);
1830			databaseBackend.updateAccount(account);
1831			reconnectAccountInBackground(account);
1832			updateAccountUi();
1833			getNotificationService().updateErrorNotification();
1834			toggleForegroundService();
1835			syncEnabledAccountSetting();
1836			return true;
1837		} else {
1838			return false;
1839		}
1840	}
1841
1842	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1843		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1844		sendIqPacket(account, iq, (a, packet) -> {
1845			if (packet.getType() == IqPacket.TYPE.RESULT) {
1846				a.setPassword(newPassword);
1847				a.setOption(Account.OPTION_MAGIC_CREATE, false);
1848				databaseBackend.updateAccount(a);
1849				callback.onPasswordChangeSucceeded();
1850			} else {
1851				callback.onPasswordChangeFailed();
1852			}
1853		});
1854	}
1855
1856	public void deleteAccount(final Account account) {
1857		synchronized (this.conversations) {
1858			for (final Conversation conversation : conversations) {
1859				if (conversation.getAccount() == account) {
1860					if (conversation.getMode() == Conversation.MODE_MULTI) {
1861						leaveMuc(conversation);
1862					}
1863					conversations.remove(conversation);
1864				}
1865			}
1866			if (account.getXmppConnection() != null) {
1867				new Thread(() -> disconnect(account, true)).start();
1868			}
1869			final Runnable runnable = () -> {
1870				if (!databaseBackend.deleteAccount(account)) {
1871					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": unable to delete account");
1872				}
1873			};
1874			mDatabaseWriterExecutor.execute(runnable);
1875			this.accounts.remove(account);
1876			this.mRosterSyncTaskManager.clear(account);
1877			updateAccountUi();
1878			getNotificationService().updateErrorNotification();
1879			syncEnabledAccountSetting();
1880		}
1881	}
1882
1883	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
1884		synchronized (this) {
1885			if (checkListeners()) {
1886				switchToForeground();
1887			}
1888			this.mOnConversationUpdates.add(listener);
1889			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
1890		}
1891	}
1892
1893	public void removeOnConversationListChangedListener(OnConversationUpdate listener) {
1894		synchronized (this) {
1895			this.mOnConversationUpdates.remove(listener);
1896			this.mNotificationService.setIsInForeground(this.mOnConversationUpdates.size() > 0);
1897			if (checkListeners()) {
1898				switchToBackground();
1899			}
1900		}
1901	}
1902
1903	public void setOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
1904		synchronized (this) {
1905			if (checkListeners()) {
1906				switchToForeground();
1907			}
1908			this.mOnShowErrorToasts.add(onShowErrorToast);
1909		}
1910	}
1911
1912	public void removeOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
1913		synchronized (this) {
1914			this.mOnShowErrorToasts.remove(onShowErrorToast);
1915			if (checkListeners()) {
1916				switchToBackground();
1917			}
1918		}
1919	}
1920
1921	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
1922		synchronized (this) {
1923			if (checkListeners()) {
1924				switchToForeground();
1925			}
1926			this.mOnAccountUpdates.add(listener);
1927		}
1928	}
1929
1930	public void removeOnAccountListChangedListener(OnAccountUpdate listener) {
1931		synchronized (this) {
1932			this.mOnAccountUpdates.remove(listener);
1933			if (checkListeners()) {
1934				switchToBackground();
1935			}
1936		}
1937	}
1938
1939	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
1940		synchronized (this) {
1941			if (checkListeners()) {
1942				switchToForeground();
1943			}
1944			this.mOnCaptchaRequested.add(listener);
1945		}
1946	}
1947
1948	public void removeOnCaptchaRequestedListener(OnCaptchaRequested listener) {
1949		synchronized (this) {
1950			this.mOnCaptchaRequested.remove(listener);
1951			if (checkListeners()) {
1952				switchToBackground();
1953			}
1954		}
1955	}
1956
1957	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
1958		synchronized (this) {
1959			if (checkListeners()) {
1960				switchToForeground();
1961			}
1962			this.mOnRosterUpdates.add(listener);
1963		}
1964	}
1965
1966	public void removeOnRosterUpdateListener(final OnRosterUpdate listener) {
1967		synchronized (this) {
1968			this.mOnRosterUpdates.remove(listener);
1969			if (checkListeners()) {
1970				switchToBackground();
1971			}
1972		}
1973	}
1974
1975	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
1976		synchronized (this) {
1977			if (checkListeners()) {
1978				switchToForeground();
1979			}
1980			this.mOnUpdateBlocklist.add(listener);
1981		}
1982	}
1983
1984	public void removeOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
1985		synchronized (this) {
1986			this.mOnUpdateBlocklist.remove(listener);
1987			if (checkListeners()) {
1988				switchToBackground();
1989			}
1990		}
1991	}
1992
1993	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
1994		synchronized (this) {
1995			if (checkListeners()) {
1996				switchToForeground();
1997			}
1998			this.mOnKeyStatusUpdated.add(listener);
1999		}
2000	}
2001
2002	public void removeOnNewKeysAvailableListener(final OnKeyStatusUpdated listener) {
2003		synchronized (this) {
2004			this.mOnKeyStatusUpdated.remove(listener);
2005			if (checkListeners()) {
2006				switchToBackground();
2007			}
2008		}
2009	}
2010
2011	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
2012		synchronized (this) {
2013			if (checkListeners()) {
2014				switchToForeground();
2015			}
2016			this.mOnMucRosterUpdate.add(listener);
2017		}
2018	}
2019
2020	public void removeOnMucRosterUpdateListener(final OnMucRosterUpdate listener) {
2021		synchronized (this) {
2022			this.mOnMucRosterUpdate.remove(listener);
2023			if (checkListeners()) {
2024				switchToBackground();
2025			}
2026		}
2027	}
2028
2029	public boolean checkListeners() {
2030		return (this.mOnAccountUpdates.size() == 0
2031				&& this.mOnConversationUpdates.size() == 0
2032				&& this.mOnRosterUpdates.size() == 0
2033				&& this.mOnCaptchaRequested.size() == 0
2034				&& this.mOnUpdateBlocklist.size() == 0
2035				&& this.mOnShowErrorToasts.size() == 0
2036				&& this.mOnKeyStatusUpdated.size() == 0);
2037	}
2038
2039	private void switchToForeground() {
2040		final boolean broadcastLastActivity = broadcastLastActivity();
2041		for (Conversation conversation : getConversations()) {
2042			if (conversation.getMode() == Conversation.MODE_MULTI) {
2043				conversation.getMucOptions().resetChatState();
2044			} else {
2045				conversation.setIncomingChatState(Config.DEFAULT_CHATSTATE);
2046			}
2047		}
2048		for (Account account : getAccounts()) {
2049			if (account.getStatus() == Account.State.ONLINE) {
2050				account.deactivateGracePeriod();
2051				final XmppConnection connection = account.getXmppConnection();
2052				if (connection != null) {
2053					if (connection.getFeatures().csi()) {
2054						connection.sendActive();
2055					}
2056					if (broadcastLastActivity) {
2057						sendPresence(account, false); //send new presence but don't include idle because we are not
2058					}
2059				}
2060			}
2061		}
2062		Log.d(Config.LOGTAG, "app switched into foreground");
2063	}
2064
2065	private void switchToBackground() {
2066		final boolean broadcastLastActivity = broadcastLastActivity();
2067		if (broadcastLastActivity) {
2068			mLastActivity = System.currentTimeMillis();
2069			final SharedPreferences.Editor editor = getPreferences().edit();
2070			editor.putLong(SETTING_LAST_ACTIVITY_TS, mLastActivity);
2071			editor.apply();
2072		}
2073		for (Account account : getAccounts()) {
2074			if (account.getStatus() == Account.State.ONLINE) {
2075				XmppConnection connection = account.getXmppConnection();
2076				if (connection != null) {
2077					if (broadcastLastActivity) {
2078						sendPresence(account, true);
2079					}
2080					if (connection.getFeatures().csi()) {
2081						connection.sendInactive();
2082					}
2083				}
2084			}
2085		}
2086		this.mNotificationService.setIsInForeground(false);
2087		Log.d(Config.LOGTAG, "app switched into background");
2088	}
2089
2090	private void connectMultiModeConversations(Account account) {
2091		List<Conversation> conversations = getConversations();
2092		for (Conversation conversation : conversations) {
2093			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2094				joinMuc(conversation);
2095			}
2096		}
2097	}
2098
2099	public void joinMuc(Conversation conversation) {
2100		joinMuc(conversation, null, false);
2101	}
2102
2103	public void joinMuc(Conversation conversation, boolean followedInvite) {
2104		joinMuc(conversation, null, followedInvite);
2105	}
2106
2107	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2108		joinMuc(conversation, onConferenceJoined, false);
2109	}
2110
2111	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined, final boolean followedInvite) {
2112		Account account = conversation.getAccount();
2113		account.pendingConferenceJoins.remove(conversation);
2114		account.pendingConferenceLeaves.remove(conversation);
2115		if (account.getStatus() == Account.State.ONLINE) {
2116			sendPresencePacket(account, mPresenceGenerator.leave(conversation.getMucOptions()));
2117			conversation.resetMucOptions();
2118			if (onConferenceJoined != null) {
2119				conversation.getMucOptions().flagNoAutoPushConfiguration();
2120			}
2121			conversation.setHasMessagesLeftOnServer(false);
2122			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2123
2124				private void join(Conversation conversation) {
2125					Account account = conversation.getAccount();
2126					final MucOptions mucOptions = conversation.getMucOptions();
2127					final Jid joinJid = mucOptions.getSelf().getFullJid();
2128					Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": joining conversation " + joinJid.toString());
2129					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous() || onConferenceJoined != null);
2130					packet.setTo(joinJid);
2131					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2132					if (conversation.getMucOptions().getPassword() != null) {
2133						x.addChild("password").setContent(mucOptions.getPassword());
2134					}
2135
2136					if (mucOptions.mamSupport()) {
2137						// Use MAM instead of the limited muc history to get history
2138						x.addChild("history").setAttribute("maxchars", "0");
2139					} else {
2140						// Fallback to muc history
2141						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted().getTimestamp()));
2142					}
2143					sendPresencePacket(account, packet);
2144					if (onConferenceJoined != null) {
2145						onConferenceJoined.onConferenceJoined(conversation);
2146					}
2147					if (!joinJid.equals(conversation.getJid())) {
2148						conversation.setContactJid(joinJid);
2149						databaseBackend.updateConversation(conversation);
2150					}
2151
2152					if (mucOptions.mamSupport()) {
2153						getMessageArchiveService().catchupMUC(conversation);
2154					}
2155					if (mucOptions.isPrivateAndNonAnonymous()) {
2156						fetchConferenceMembers(conversation);
2157						if (followedInvite && conversation.getBookmark() == null) {
2158							saveConversationAsBookmark(conversation, null);
2159						}
2160					}
2161					sendUnsentMessages(conversation);
2162				}
2163
2164				@Override
2165				public void onConferenceConfigurationFetched(Conversation conversation) {
2166					join(conversation);
2167				}
2168
2169				@Override
2170				public void onFetchFailed(final Conversation conversation, Element error) {
2171					if (error != null && "remote-server-not-found".equals(error.getName())) {
2172						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2173						updateConversationUi();
2174					} else {
2175						join(conversation);
2176						fetchConferenceConfiguration(conversation);
2177					}
2178				}
2179			});
2180			updateConversationUi();
2181		} else {
2182			account.pendingConferenceJoins.add(conversation);
2183			conversation.resetMucOptions();
2184			conversation.setHasMessagesLeftOnServer(false);
2185			updateConversationUi();
2186		}
2187	}
2188
2189	private void fetchConferenceMembers(final Conversation conversation) {
2190		final Account account = conversation.getAccount();
2191		final AxolotlService axolotlService = account.getAxolotlService();
2192		final String[] affiliations = {"member", "admin", "owner"};
2193		OnIqPacketReceived callback = new OnIqPacketReceived() {
2194
2195			private int i = 0;
2196			private boolean success = true;
2197
2198			@Override
2199			public void onIqPacketReceived(Account account, IqPacket packet) {
2200				final boolean omemoEnabled = conversation.getNextEncryption() == Message.ENCRYPTION_AXOLOTL;
2201				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2202				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2203					for (Element child : query.getChildren()) {
2204						if ("item".equals(child.getName())) {
2205							MucOptions.User user = AbstractParser.parseItem(conversation, child);
2206							if (!user.realJidMatchesAccount()) {
2207								boolean isNew = conversation.getMucOptions().updateUser(user);
2208								Contact contact = user.getContact();
2209								if (omemoEnabled
2210										&& isNew
2211										&& user.getRealJid() != null
2212										&& (contact == null || !contact.mutualPresenceSubscription())
2213										&& axolotlService.hasEmptyDeviceList(user.getRealJid())) {
2214									axolotlService.fetchDeviceIds(user.getRealJid());
2215								}
2216							}
2217						}
2218					}
2219				} else {
2220					success = false;
2221					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": could not request affiliation " + affiliations[i] + " in " + conversation.getJid().asBareJid());
2222				}
2223				++i;
2224				if (i >= affiliations.length) {
2225					List<Jid> members = conversation.getMucOptions().getMembers(true);
2226					if (success) {
2227						List<Jid> cryptoTargets = conversation.getAcceptedCryptoTargets();
2228						boolean changed = false;
2229						for (ListIterator<Jid> iterator = cryptoTargets.listIterator(); iterator.hasNext(); ) {
2230							Jid jid = iterator.next();
2231							if (!members.contains(jid) && !members.contains(Jid.ofDomain(jid.getDomain()))) {
2232								iterator.remove();
2233								Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": removed " + jid + " from crypto targets of " + conversation.getName());
2234								changed = true;
2235							}
2236						}
2237						if (changed) {
2238							conversation.setAcceptedCryptoTargets(cryptoTargets);
2239							updateConversation(conversation);
2240						}
2241					}
2242					getAvatarService().clear(conversation);
2243					updateMucRosterUi();
2244					updateConversationUi();
2245				}
2246			}
2247		};
2248		for (String affiliation : affiliations) {
2249			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2250		}
2251		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": fetching members for " + conversation.getName());
2252	}
2253
2254	public void providePasswordForMuc(Conversation conversation, String password) {
2255		if (conversation.getMode() == Conversation.MODE_MULTI) {
2256			conversation.getMucOptions().setPassword(password);
2257			if (conversation.getBookmark() != null) {
2258				if (respectAutojoin()) {
2259					conversation.getBookmark().setAutojoin(true);
2260				}
2261				pushBookmarks(conversation.getAccount());
2262			}
2263			updateConversation(conversation);
2264			joinMuc(conversation);
2265		}
2266	}
2267
2268	private boolean hasEnabledAccounts() {
2269		for (Account account : this.accounts) {
2270			if (account.isEnabled()) {
2271				return true;
2272			}
2273		}
2274		return false;
2275	}
2276
2277	public void persistSelfNick(MucOptions.User self) {
2278		final Conversation conversation = self.getConversation();
2279		Jid full = self.getFullJid();
2280		if (!full.equals(conversation.getJid())) {
2281			Log.d(Config.LOGTAG, "nick changed. updating");
2282			conversation.setContactJid(full);
2283			databaseBackend.updateConversation(conversation);
2284		}
2285
2286		Bookmark bookmark = conversation.getBookmark();
2287		if (bookmark != null && !full.getResource().equals(bookmark.getNick())) {
2288			bookmark.setNick(full.getResource());
2289			pushBookmarks(bookmark.getAccount());
2290		}
2291	}
2292
2293	public boolean renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2294		final MucOptions options = conversation.getMucOptions();
2295		final Jid joinJid = options.createJoinJid(nick);
2296		if (joinJid == null) {
2297			return false;
2298		}
2299		if (options.online()) {
2300			Account account = conversation.getAccount();
2301			options.setOnRenameListener(new OnRenameListener() {
2302
2303				@Override
2304				public void onSuccess() {
2305					callback.success(conversation);
2306				}
2307
2308				@Override
2309				public void onFailure() {
2310					callback.error(R.string.nick_in_use, conversation);
2311				}
2312			});
2313
2314			PresencePacket packet = new PresencePacket();
2315			packet.setTo(joinJid);
2316			packet.setFrom(conversation.getAccount().getJid());
2317
2318			String sig = account.getPgpSignature();
2319			if (sig != null) {
2320				packet.addChild("status").setContent("online");
2321				packet.addChild("x", "jabber:x:signed").setContent(sig);
2322			}
2323			sendPresencePacket(account, packet);
2324		} else {
2325			conversation.setContactJid(joinJid);
2326			databaseBackend.updateConversation(conversation);
2327			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2328				Bookmark bookmark = conversation.getBookmark();
2329				if (bookmark != null) {
2330					bookmark.setNick(nick);
2331					pushBookmarks(bookmark.getAccount());
2332				}
2333				joinMuc(conversation);
2334			}
2335		}
2336		return true;
2337	}
2338
2339	public void leaveMuc(Conversation conversation) {
2340		leaveMuc(conversation, false);
2341	}
2342
2343	private void leaveMuc(Conversation conversation, boolean now) {
2344		Account account = conversation.getAccount();
2345		account.pendingConferenceJoins.remove(conversation);
2346		account.pendingConferenceLeaves.remove(conversation);
2347		if (account.getStatus() == Account.State.ONLINE || now) {
2348			sendPresencePacket(conversation.getAccount(), mPresenceGenerator.leave(conversation.getMucOptions()));
2349			conversation.getMucOptions().setOffline();
2350			Bookmark bookmark = conversation.getBookmark();
2351			if (bookmark != null) {
2352				bookmark.setConversation(null);
2353			}
2354			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": leaving muc " + conversation.getJid());
2355		} else {
2356			account.pendingConferenceLeaves.add(conversation);
2357		}
2358	}
2359
2360	public String findConferenceServer(final Account account) {
2361		String server;
2362		if (account.getXmppConnection() != null) {
2363			server = account.getXmppConnection().getMucServer();
2364			if (server != null) {
2365				return server;
2366			}
2367		}
2368		for (Account other : getAccounts()) {
2369			if (other != account && other.getXmppConnection() != null) {
2370				server = other.getXmppConnection().getMucServer();
2371				if (server != null) {
2372					return server;
2373				}
2374			}
2375		}
2376		return null;
2377	}
2378
2379	public boolean createAdhocConference(final Account account,
2380	                                     final String name,
2381	                                     final Iterable<Jid> jids,
2382	                                     final UiCallback<Conversation> callback) {
2383		Log.d(Config.LOGTAG, account.getJid().asBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2384		if (account.getStatus() == Account.State.ONLINE) {
2385			try {
2386				String server = findConferenceServer(account);
2387				if (server == null) {
2388					if (callback != null) {
2389						callback.error(R.string.no_conference_server_found, null);
2390					}
2391					return false;
2392				}
2393				final Jid jid = Jid.of(CryptoHelper.pronounceable(getRNG()), server, null);
2394				final Conversation conversation = findOrCreateConversation(account, jid, true, false, true);
2395				joinMuc(conversation, new OnConferenceJoined() {
2396					@Override
2397					public void onConferenceJoined(final Conversation conversation) {
2398						final Bundle configuration = IqGenerator.defaultRoomConfiguration();
2399						if (!TextUtils.isEmpty(name)) {
2400							configuration.putString("muc#roomconfig_roomname", name);
2401						}
2402						pushConferenceConfiguration(conversation, configuration, new OnConfigurationPushed() {
2403							@Override
2404							public void onPushSucceeded() {
2405								for (Jid invite : jids) {
2406									invite(conversation, invite);
2407								}
2408								if (account.countPresences() > 1) {
2409									directInvite(conversation, account.getJid().asBareJid());
2410								}
2411								saveConversationAsBookmark(conversation, name);
2412								if (callback != null) {
2413									callback.success(conversation);
2414								}
2415							}
2416
2417							@Override
2418							public void onPushFailed() {
2419								archiveConversation(conversation);
2420								if (callback != null) {
2421									callback.error(R.string.conference_creation_failed, conversation);
2422								}
2423							}
2424						});
2425					}
2426				});
2427				return true;
2428			} catch (IllegalArgumentException e) {
2429				if (callback != null) {
2430					callback.error(R.string.conference_creation_failed, null);
2431				}
2432				return false;
2433			}
2434		} else {
2435			if (callback != null) {
2436				callback.error(R.string.not_connected_try_again, null);
2437			}
2438			return false;
2439		}
2440	}
2441
2442	public void fetchConferenceConfiguration(final Conversation conversation) {
2443		fetchConferenceConfiguration(conversation, null);
2444	}
2445
2446	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
2447		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2448		request.setTo(conversation.getJid().asBareJid());
2449		request.query("http://jabber.org/protocol/disco#info");
2450		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2451			@Override
2452			public void onIqPacketReceived(Account account, IqPacket packet) {
2453				if (packet.getType() == IqPacket.TYPE.RESULT) {
2454
2455					final MucOptions mucOptions = conversation.getMucOptions();
2456					final Bookmark bookmark = conversation.getBookmark();
2457					final boolean sameBefore = StringUtils.equals(bookmark == null ? null : bookmark.getBookmarkName(), mucOptions.getName());
2458
2459					if (mucOptions.updateConfiguration(new ServiceDiscoveryResult(packet))) {
2460						Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": muc configuration changed for " + conversation.getJid().asBareJid());
2461						updateConversation(conversation);
2462					}
2463
2464					if (bookmark != null && (sameBefore || bookmark.getBookmarkName() == null)) {
2465						if (bookmark.setBookmarkName(StringUtils.nullOnEmpty(mucOptions.getName()))) {
2466							pushBookmarks(account);
2467						}
2468					}
2469
2470
2471					if (callback != null) {
2472						callback.onConferenceConfigurationFetched(conversation);
2473					}
2474
2475
2476
2477					updateConversationUi();
2478				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
2479					if (callback != null) {
2480						callback.onFetchFailed(conversation, packet.getError());
2481					}
2482				}
2483			}
2484		});
2485	}
2486
2487	public void pushNodeConfiguration(Account account, final String node, final Bundle options, final OnConfigurationPushed callback) {
2488		pushNodeConfiguration(account, account.getJid().asBareJid(), node, options, callback);
2489	}
2490
2491	public void pushNodeConfiguration(Account account, final Jid jid, final String node, final Bundle options, final OnConfigurationPushed callback) {
2492		sendIqPacket(account, mIqGenerator.requestPubsubConfiguration(jid, node), new OnIqPacketReceived() {
2493			@Override
2494			public void onIqPacketReceived(Account account, IqPacket packet) {
2495				if (packet.getType() == IqPacket.TYPE.RESULT) {
2496					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
2497					Element configuration = pubsub == null ? null : pubsub.findChild("configure");
2498					Element x = configuration == null ? null : configuration.findChild("x", Namespace.DATA);
2499					if (x != null) {
2500						Data data = Data.parse(x);
2501						data.submit(options);
2502						sendIqPacket(account, mIqGenerator.publishPubsubConfiguration(jid, node, data), new OnIqPacketReceived() {
2503							@Override
2504							public void onIqPacketReceived(Account account, IqPacket packet) {
2505								if (packet.getType() == IqPacket.TYPE.RESULT && callback != null) {
2506									Log.d(Config.LOGTAG,account.getJid().asBareJid()+": successfully changed node configuration for node "+node);
2507									callback.onPushSucceeded();
2508								} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
2509									callback.onPushFailed();
2510								}
2511							}
2512						});
2513					} else if (callback != null) {
2514						callback.onPushFailed();
2515					}
2516				} else if (packet.getType() == IqPacket.TYPE.ERROR && callback != null) {
2517					callback.onPushFailed();
2518				}
2519			}
2520		});
2521	}
2522
2523	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConfigurationPushed callback) {
2524		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2525		request.setTo(conversation.getJid().asBareJid());
2526		request.query("http://jabber.org/protocol/muc#owner");
2527		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2528			@Override
2529			public void onIqPacketReceived(Account account, IqPacket packet) {
2530				if (packet.getType() == IqPacket.TYPE.RESULT) {
2531					Data data = Data.parse(packet.query().findChild("x", Namespace.DATA));
2532					data.submit(options);
2533					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
2534					set.setTo(conversation.getJid().asBareJid());
2535					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
2536					sendIqPacket(account, set, new OnIqPacketReceived() {
2537						@Override
2538						public void onIqPacketReceived(Account account, IqPacket packet) {
2539							if (callback != null) {
2540								if (packet.getType() == IqPacket.TYPE.RESULT) {
2541									callback.onPushSucceeded();
2542								} else {
2543									callback.onPushFailed();
2544								}
2545							}
2546						}
2547					});
2548				} else {
2549					if (callback != null) {
2550						callback.onPushFailed();
2551					}
2552				}
2553			}
2554		});
2555	}
2556
2557	public void pushSubjectToConference(final Conversation conference, final String subject) {
2558		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, StringUtils.nullOnEmpty(subject));
2559		this.sendMessagePacket(conference.getAccount(), packet);
2560	}
2561
2562	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
2563		final Jid jid = user.asBareJid();
2564		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
2565		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2566			@Override
2567			public void onIqPacketReceived(Account account, IqPacket packet) {
2568				if (packet.getType() == IqPacket.TYPE.RESULT) {
2569					conference.getMucOptions().changeAffiliation(jid, affiliation);
2570					getAvatarService().clear(conference);
2571					callback.onAffiliationChangedSuccessful(jid);
2572				} else {
2573					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
2574				}
2575			}
2576		});
2577	}
2578
2579	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
2580		List<Jid> jids = new ArrayList<>();
2581		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
2582			if (user.getAffiliation() == before && user.getRealJid() != null) {
2583				jids.add(user.getRealJid());
2584			}
2585		}
2586		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
2587		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
2588	}
2589
2590	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
2591		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
2592		Log.d(Config.LOGTAG, request.toString());
2593		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2594			@Override
2595			public void onIqPacketReceived(Account account, IqPacket packet) {
2596				Log.d(Config.LOGTAG, packet.toString());
2597				if (packet.getType() == IqPacket.TYPE.RESULT) {
2598					callback.onRoleChangedSuccessful(nick);
2599				} else {
2600					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
2601				}
2602			}
2603		});
2604	}
2605
2606	private void disconnect(Account account, boolean force) {
2607		if ((account.getStatus() == Account.State.ONLINE)
2608				|| (account.getStatus() == Account.State.DISABLED)) {
2609			final XmppConnection connection = account.getXmppConnection();
2610			if (!force) {
2611				List<Conversation> conversations = getConversations();
2612				for (Conversation conversation : conversations) {
2613					if (conversation.getAccount() == account) {
2614						if (conversation.getMode() == Conversation.MODE_MULTI) {
2615							leaveMuc(conversation, true);
2616						}
2617					}
2618				}
2619				sendOfflinePresence(account);
2620			}
2621			connection.disconnect(force);
2622		}
2623	}
2624
2625	@Override
2626	public IBinder onBind(Intent intent) {
2627		return mBinder;
2628	}
2629
2630	public void updateMessage(Message message) {
2631		updateMessage(message, true);
2632	}
2633
2634	public void updateMessage(Message message, boolean includeBody) {
2635		databaseBackend.updateMessage(message, includeBody);
2636		updateConversationUi();
2637	}
2638
2639	public void updateMessage(Message message, String uuid) {
2640		databaseBackend.updateMessage(message, uuid);
2641		updateConversationUi();
2642	}
2643
2644	protected void syncDirtyContacts(Account account) {
2645		for (Contact contact : account.getRoster().getContacts()) {
2646			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
2647				pushContactToServer(contact);
2648			}
2649			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
2650				deleteContactOnServer(contact);
2651			}
2652		}
2653	}
2654
2655	public void createContact(Contact contact, boolean autoGrant) {
2656		if (autoGrant) {
2657			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
2658			contact.setOption(Contact.Options.ASKING);
2659		}
2660		pushContactToServer(contact);
2661	}
2662
2663	public void pushContactToServer(final Contact contact) {
2664		contact.resetOption(Contact.Options.DIRTY_DELETE);
2665		contact.setOption(Contact.Options.DIRTY_PUSH);
2666		final Account account = contact.getAccount();
2667		if (account.getStatus() == Account.State.ONLINE) {
2668			final boolean ask = contact.getOption(Contact.Options.ASKING);
2669			final boolean sendUpdates = contact
2670					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
2671					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
2672			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2673			iq.query(Namespace.ROSTER).addChild(contact.asElement());
2674			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2675			if (sendUpdates) {
2676				sendPresencePacket(account, mPresenceGenerator.sendPresenceUpdatesTo(contact));
2677			}
2678			if (ask) {
2679				sendPresencePacket(account, mPresenceGenerator.requestPresenceUpdatesFrom(contact));
2680			}
2681		} else {
2682			syncRoster(contact.getAccount());
2683		}
2684	}
2685
2686	public void publishMucAvatar(final Conversation conversation, final Uri image, final OnAvatarPublication callback) {
2687		new Thread(() -> {
2688			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2689			final int size = Config.AVATAR_SIZE;
2690			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2691			if (avatar != null) {
2692				if (!getFileBackend().save(avatar)) {
2693					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
2694					return;
2695				}
2696				avatar.owner = conversation.getJid().asBareJid();
2697				publishMucAvatar(conversation, avatar, callback);
2698			} else {
2699				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
2700			}
2701		}).start();
2702	}
2703
2704	public void publishAvatar(final Account account, final Uri image, final OnAvatarPublication callback) {
2705		new Thread(() -> {
2706			final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2707			final int size = Config.AVATAR_SIZE;
2708			final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2709			if (avatar != null) {
2710				if (!getFileBackend().save(avatar)) {
2711					Log.d(Config.LOGTAG,"unable to save vcard");
2712					callback.onAvatarPublicationFailed(R.string.error_saving_avatar);
2713					return;
2714				}
2715				publishAvatar(account, avatar, callback);
2716			} else {
2717				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_converting);
2718			}
2719		}).start();
2720
2721	}
2722
2723	private void publishMucAvatar(Conversation conversation, Avatar avatar, OnAvatarPublication callback) {
2724		final IqPacket retrieve = mIqGenerator.retrieveVcardAvatar(avatar);
2725		sendIqPacket(conversation.getAccount(), retrieve, (account, response) -> {
2726			boolean itemNotFound = response.getType() == IqPacket.TYPE.ERROR && response.hasChild("error") && response.findChild("error").hasChild("item-not-found");
2727			if (response.getType() == IqPacket.TYPE.RESULT || itemNotFound) {
2728				Element vcard = response.findChild("vCard", "vcard-temp");
2729				if (vcard == null) {
2730					vcard = new Element("vCard", "vcard-temp");
2731				}
2732				Element photo = vcard.findChild("PHOTO");
2733				if (photo == null) {
2734					photo = vcard.addChild("PHOTO");
2735				}
2736				photo.clearChildren();
2737				photo.addChild("TYPE").setContent(avatar.type);
2738				photo.addChild("BINVAL").setContent(avatar.image);
2739				IqPacket publication = new IqPacket(IqPacket.TYPE.SET);
2740				publication.setTo(conversation.getJid().asBareJid());
2741				publication.addChild(vcard);
2742				sendIqPacket(account, publication, (a1, publicationResponse) -> {
2743					if (publicationResponse.getType() == IqPacket.TYPE.RESULT) {
2744						callback.onAvatarPublicationSucceeded();
2745					} else {
2746						Log.d(Config.LOGTAG, "failed to publish vcard " + publicationResponse.getError());
2747						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
2748					}
2749				});
2750			} else {
2751				Log.d(Config.LOGTAG, "failed to request vcard " + response.toString());
2752				callback.onAvatarPublicationFailed(R.string.error_publish_avatar_no_server_support);
2753			}
2754		});
2755	}
2756
2757	public void publishAvatar(Account account, final Avatar avatar, final OnAvatarPublication callback) {
2758		IqPacket packet = this.mIqGenerator.publishAvatar(avatar);
2759		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2760
2761			@Override
2762			public void onIqPacketReceived(Account account, IqPacket result) {
2763				if (result.getType() == IqPacket.TYPE.RESULT) {
2764					final IqPacket packet = XmppConnectionService.this.mIqGenerator.publishAvatarMetadata(avatar);
2765					sendIqPacket(account, packet, new OnIqPacketReceived() {
2766						@Override
2767						public void onIqPacketReceived(Account account, IqPacket result) {
2768							if (result.getType() == IqPacket.TYPE.RESULT) {
2769								if (account.setAvatar(avatar.getFilename())) {
2770									getAvatarService().clear(account);
2771									databaseBackend.updateAccount(account);
2772								}
2773								Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": published avatar " + (avatar.size / 1024) + "KiB");
2774								if (callback != null) {
2775									callback.onAvatarPublicationSucceeded();
2776								}
2777							} else {
2778								if (callback != null) {
2779									callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
2780								}
2781							}
2782						}
2783					});
2784				} else {
2785					Element error = result.findChild("error");
2786					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": server rejected avatar " + (avatar.size / 1024) + "KiB " + (error != null ? error.toString() : ""));
2787					if (callback != null) {
2788						callback.onAvatarPublicationFailed(R.string.error_publish_avatar_server_reject);
2789					}
2790				}
2791			}
2792		});
2793	}
2794
2795	public void republishAvatarIfNeeded(Account account) {
2796		if (account.getAxolotlService().isPepBroken()) {
2797			Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": skipping republication of avatar because pep is broken");
2798			return;
2799		}
2800		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2801		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2802
2803			private Avatar parseAvatar(IqPacket packet) {
2804				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
2805				if (pubsub != null) {
2806					Element items = pubsub.findChild("items");
2807					if (items != null) {
2808						return Avatar.parseMetadata(items);
2809					}
2810				}
2811				return null;
2812			}
2813
2814			private boolean errorIsItemNotFound(IqPacket packet) {
2815				Element error = packet.findChild("error");
2816				return packet.getType() == IqPacket.TYPE.ERROR
2817						&& error != null
2818						&& error.hasChild("item-not-found");
2819			}
2820
2821			@Override
2822			public void onIqPacketReceived(Account account, IqPacket packet) {
2823				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
2824					Avatar serverAvatar = parseAvatar(packet);
2825					if (serverAvatar == null && account.getAvatar() != null) {
2826						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
2827						if (avatar != null) {
2828							Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": avatar on server was null. republishing");
2829							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
2830						} else {
2831							Log.e(Config.LOGTAG, account.getJid().asBareJid() + ": error rereading avatar");
2832						}
2833					}
2834				}
2835			}
2836		});
2837	}
2838
2839	public void fetchAvatar(Account account, Avatar avatar) {
2840		fetchAvatar(account, avatar, null);
2841	}
2842
2843	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2844		final String KEY = generateFetchKey(account, avatar);
2845		synchronized (this.mInProgressAvatarFetches) {
2846			if (!this.mInProgressAvatarFetches.contains(KEY)) {
2847				switch (avatar.origin) {
2848					case PEP:
2849						this.mInProgressAvatarFetches.add(KEY);
2850						fetchAvatarPep(account, avatar, callback);
2851						break;
2852					case VCARD:
2853						this.mInProgressAvatarFetches.add(KEY);
2854						fetchAvatarVcard(account, avatar, callback);
2855						break;
2856				}
2857			}
2858		}
2859	}
2860
2861	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2862		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
2863		sendIqPacket(account, packet, (a, result) -> {
2864			synchronized (mInProgressAvatarFetches) {
2865				mInProgressAvatarFetches.remove(generateFetchKey(a, avatar));
2866			}
2867			final String ERROR = a.getJid().asBareJid() + ": fetching avatar for " + avatar.owner + " failed ";
2868			if (result.getType() == IqPacket.TYPE.RESULT) {
2869				avatar.image = mIqParser.avatarData(result);
2870				if (avatar.image != null) {
2871					if (getFileBackend().save(avatar)) {
2872						if (a.getJid().asBareJid().equals(avatar.owner)) {
2873							if (a.setAvatar(avatar.getFilename())) {
2874								databaseBackend.updateAccount(a);
2875							}
2876							getAvatarService().clear(a);
2877							updateConversationUi();
2878							updateAccountUi();
2879						} else {
2880							Contact contact = a.getRoster().getContact(avatar.owner);
2881							contact.setAvatar(avatar);
2882							getAvatarService().clear(contact);
2883							updateConversationUi();
2884							updateRosterUi();
2885						}
2886						if (callback != null) {
2887							callback.success(avatar);
2888						}
2889						Log.d(Config.LOGTAG, a.getJid().asBareJid()
2890								+ ": successfully fetched pep avatar for " + avatar.owner);
2891						return;
2892					}
2893				} else {
2894
2895					Log.d(Config.LOGTAG, ERROR + "(parsing error)");
2896				}
2897			} else {
2898				Element error = result.findChild("error");
2899				if (error == null) {
2900					Log.d(Config.LOGTAG, ERROR + "(server error)");
2901				} else {
2902					Log.d(Config.LOGTAG, ERROR + error.toString());
2903				}
2904			}
2905			if (callback != null) {
2906				callback.error(0, null);
2907			}
2908
2909		});
2910	}
2911
2912	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2913		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
2914		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2915			@Override
2916			public void onIqPacketReceived(Account account, IqPacket packet) {
2917				synchronized (mInProgressAvatarFetches) {
2918					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2919				}
2920				if (packet.getType() == IqPacket.TYPE.RESULT) {
2921					Element vCard = packet.findChild("vCard", "vcard-temp");
2922					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
2923					String image = photo != null ? photo.findChildContent("BINVAL") : null;
2924					if (image != null) {
2925						avatar.image = image;
2926						if (getFileBackend().save(avatar)) {
2927							Log.d(Config.LOGTAG, account.getJid().asBareJid()
2928									+ ": successfully fetched vCard avatar for " + avatar.owner);
2929							if (avatar.owner.isBareJid()) {
2930								if (account.getJid().asBareJid().equals(avatar.owner) && account.getAvatar() == null) {
2931									Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": had no avatar. replacing with vcard");
2932									account.setAvatar(avatar.getFilename());
2933									databaseBackend.updateAccount(account);
2934									getAvatarService().clear(account);
2935									updateAccountUi();
2936								} else {
2937									Contact contact = account.getRoster().getContact(avatar.owner);
2938									contact.setAvatar(avatar);
2939									getAvatarService().clear(contact);
2940									updateRosterUi();
2941								}
2942								updateConversationUi();
2943							} else {
2944								Conversation conversation = find(account, avatar.owner.asBareJid());
2945								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
2946									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
2947									if (user != null) {
2948										if (user.setAvatar(avatar)) {
2949											getAvatarService().clear(user);
2950											updateConversationUi();
2951											updateMucRosterUi();
2952										}
2953									}
2954								}
2955							}
2956						}
2957					}
2958				}
2959			}
2960		});
2961	}
2962
2963	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
2964		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2965		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2966
2967			@Override
2968			public void onIqPacketReceived(Account account, IqPacket packet) {
2969				if (packet.getType() == IqPacket.TYPE.RESULT) {
2970					Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
2971					if (pubsub != null) {
2972						Element items = pubsub.findChild("items");
2973						if (items != null) {
2974							Avatar avatar = Avatar.parseMetadata(items);
2975							if (avatar != null) {
2976								avatar.owner = account.getJid().asBareJid();
2977								if (fileBackend.isAvatarCached(avatar)) {
2978									if (account.setAvatar(avatar.getFilename())) {
2979										databaseBackend.updateAccount(account);
2980									}
2981									getAvatarService().clear(account);
2982									callback.success(avatar);
2983								} else {
2984									fetchAvatarPep(account, avatar, callback);
2985								}
2986								return;
2987							}
2988						}
2989					}
2990				}
2991				callback.error(0, null);
2992			}
2993		});
2994	}
2995
2996	public void deleteContactOnServer(Contact contact) {
2997		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
2998		contact.resetOption(Contact.Options.DIRTY_PUSH);
2999		contact.setOption(Contact.Options.DIRTY_DELETE);
3000		Account account = contact.getAccount();
3001		if (account.getStatus() == Account.State.ONLINE) {
3002			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
3003			Element item = iq.query(Namespace.ROSTER).addChild("item");
3004			item.setAttribute("jid", contact.getJid().toString());
3005			item.setAttribute("subscription", "remove");
3006			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
3007		}
3008	}
3009
3010	public void updateConversation(final Conversation conversation) {
3011		mDatabaseWriterExecutor.execute(() -> databaseBackend.updateConversation(conversation));
3012	}
3013
3014	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
3015		synchronized (account) {
3016			XmppConnection connection = account.getXmppConnection();
3017			if (connection == null) {
3018				connection = createConnection(account);
3019				account.setXmppConnection(connection);
3020			}
3021			boolean hasInternet = hasInternetConnection();
3022			if (account.isEnabled() && hasInternet) {
3023				if (!force) {
3024					disconnect(account, false);
3025				}
3026				Thread thread = new Thread(connection);
3027				connection.setInteractive(interactive);
3028				connection.prepareNewConnection();
3029				connection.interrupt();
3030				thread.start();
3031				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
3032			} else {
3033				disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
3034				account.getRoster().clearPresences();
3035				connection.resetEverything();
3036				final AxolotlService axolotlService = account.getAxolotlService();
3037				if (axolotlService != null) {
3038					axolotlService.resetBrokenness();
3039				}
3040				if (!hasInternet) {
3041					account.setStatus(Account.State.NO_INTERNET);
3042				}
3043			}
3044		}
3045	}
3046
3047	public void reconnectAccountInBackground(final Account account) {
3048		new Thread(() -> reconnectAccount(account, false, true)).start();
3049	}
3050
3051	public void invite(Conversation conversation, Jid contact) {
3052		Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": inviting " + contact + " to " + conversation.getJid().asBareJid());
3053		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
3054		sendMessagePacket(conversation.getAccount(), packet);
3055	}
3056
3057	public void directInvite(Conversation conversation, Jid jid) {
3058		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
3059		sendMessagePacket(conversation.getAccount(), packet);
3060	}
3061
3062	public void resetSendingToWaiting(Account account) {
3063		for (Conversation conversation : getConversations()) {
3064			if (conversation.getAccount() == account) {
3065				conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
3066
3067					@Override
3068					public void onMessageFound(Message message) {
3069						markMessage(message, Message.STATUS_WAITING);
3070					}
3071				});
3072			}
3073		}
3074	}
3075
3076	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
3077		return markMessage(account, recipient, uuid, status, null);
3078	}
3079
3080	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
3081		if (uuid == null) {
3082			return null;
3083		}
3084		for (Conversation conversation : getConversations()) {
3085			if (conversation.getJid().asBareJid().equals(recipient) && conversation.getAccount() == account) {
3086				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
3087				if (message != null) {
3088					markMessage(message, status, errorMessage);
3089				}
3090				return message;
3091			}
3092		}
3093		return null;
3094	}
3095
3096	public boolean markMessage(Conversation conversation, String uuid, int status, String serverMessageId) {
3097		if (uuid == null) {
3098			return false;
3099		} else {
3100			Message message = conversation.findSentMessageWithUuid(uuid);
3101			if (message != null) {
3102				if (message.getServerMsgId() == null) {
3103					message.setServerMsgId(serverMessageId);
3104				}
3105				markMessage(message, status);
3106				return true;
3107			} else {
3108				return false;
3109			}
3110		}
3111	}
3112
3113	public void markMessage(Message message, int status) {
3114		markMessage(message, status, null);
3115	}
3116
3117
3118	public void markMessage(Message message, int status, String errorMessage) {
3119		final int c = message.getStatus();
3120		if (status == Message.STATUS_SEND_FAILED && (c == Message.STATUS_SEND_RECEIVED || c == Message.STATUS_SEND_DISPLAYED)) {
3121			return;
3122		}
3123		if (status == Message.STATUS_SEND_RECEIVED && c == Message.STATUS_SEND_DISPLAYED) {
3124			return;
3125		}
3126		message.setErrorMessage(errorMessage);
3127		message.setStatus(status);
3128		databaseBackend.updateMessage(message, false);
3129		updateConversationUi();
3130	}
3131
3132	private SharedPreferences getPreferences() {
3133		return PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
3134	}
3135
3136	public long getAutomaticMessageDeletionDate() {
3137		final long timeout = getLongPreference(SettingsActivity.AUTOMATIC_MESSAGE_DELETION, R.integer.automatic_message_deletion);
3138		return timeout == 0 ? timeout : (System.currentTimeMillis() - (timeout * 1000));
3139	}
3140
3141	public long getLongPreference(String name, @IntegerRes int res) {
3142		long defaultValue = getResources().getInteger(res);
3143		try {
3144			return Long.parseLong(getPreferences().getString(name, String.valueOf(defaultValue)));
3145		} catch (NumberFormatException e) {
3146			return defaultValue;
3147		}
3148	}
3149
3150	public boolean getBooleanPreference(String name, @BoolRes int res) {
3151		return getPreferences().getBoolean(name, getResources().getBoolean(res));
3152	}
3153
3154	public boolean confirmMessages() {
3155		return getBooleanPreference("confirm_messages", R.bool.confirm_messages);
3156	}
3157
3158	public boolean allowMessageCorrection() {
3159		return getBooleanPreference("allow_message_correction", R.bool.allow_message_correction);
3160	}
3161
3162	public boolean sendChatStates() {
3163		return getBooleanPreference("chat_states", R.bool.chat_states);
3164	}
3165
3166	private boolean respectAutojoin() {
3167		return getBooleanPreference("autojoin", R.bool.autojoin);
3168	}
3169
3170	public boolean indicateReceived() {
3171		return getBooleanPreference("indicate_received", R.bool.indicate_received);
3172	}
3173
3174	public boolean useTorToConnect() {
3175		return Config.FORCE_ORBOT || getBooleanPreference("use_tor", R.bool.use_tor);
3176	}
3177
3178	public boolean showExtendedConnectionOptions() {
3179		return getBooleanPreference("show_connection_options", R.bool.show_connection_options);
3180	}
3181
3182	public boolean broadcastLastActivity() {
3183		return getBooleanPreference(SettingsActivity.BROADCAST_LAST_ACTIVITY, R.bool.last_activity);
3184	}
3185
3186	public int unreadCount() {
3187		int count = 0;
3188		for (Conversation conversation : getConversations()) {
3189			count += conversation.unreadCount();
3190		}
3191		return count;
3192	}
3193
3194
3195	public void showErrorToastInUi(int resId) {
3196		for(OnShowErrorToast listener : this.mOnShowErrorToasts) {
3197			listener.onShowErrorToast(resId);
3198		}
3199	}
3200
3201	public void updateConversationUi() {
3202		for(OnConversationUpdate listener : this.mOnConversationUpdates) {
3203			listener.onConversationUpdate();
3204		}
3205	}
3206
3207	public void updateAccountUi() {
3208		for(OnAccountUpdate listener : this.mOnAccountUpdates) {
3209			listener.onAccountUpdate();
3210		}
3211	}
3212
3213	public void updateRosterUi() {
3214		for(OnRosterUpdate listener : this.mOnRosterUpdates) {
3215			listener.onRosterUpdate();
3216		}
3217	}
3218
3219	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3220		if (mOnCaptchaRequested.size() > 0) {
3221			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3222			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3223					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3224			for(OnCaptchaRequested listener : this.mOnCaptchaRequested) {
3225				listener.onCaptchaRequested(account, id, data, scaled);
3226			}
3227			return true;
3228		}
3229		return false;
3230	}
3231
3232	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3233		for(OnUpdateBlocklist listener : this.mOnUpdateBlocklist) {
3234			listener.OnUpdateBlocklist(status);
3235		}
3236	}
3237
3238	public void updateMucRosterUi() {
3239		for(OnMucRosterUpdate listener : this.mOnMucRosterUpdate) {
3240			listener.onMucRosterUpdate();
3241		}
3242	}
3243
3244	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3245		for(OnKeyStatusUpdated listener : this.mOnKeyStatusUpdated) {
3246			listener.onKeyStatusUpdated(report);
3247		}
3248	}
3249
3250	public Account findAccountByJid(final Jid accountJid) {
3251		for (Account account : this.accounts) {
3252			if (account.getJid().asBareJid().equals(accountJid.asBareJid())) {
3253				return account;
3254			}
3255		}
3256		return null;
3257	}
3258
3259	public Account findAccountByUuid(final String uuid) {
3260		for(Account account : this.accounts) {
3261			if (account.getUuid().equals(uuid)) {
3262				return account;
3263			}
3264		}
3265		return null;
3266	}
3267
3268	public Conversation findConversationByUuid(String uuid) {
3269		for (Conversation conversation : getConversations()) {
3270			if (conversation.getUuid().equals(uuid)) {
3271				return conversation;
3272			}
3273		}
3274		return null;
3275	}
3276
3277	public Conversation findUniqueConversationByJid(XmppUri xmppUri) {
3278		List<Conversation> findings = new ArrayList<>();
3279		for (Conversation c : getConversations()) {
3280			if (c.getJid().asBareJid().equals(xmppUri.getJid()) && ((c.getMode() == Conversational.MODE_MULTI) == xmppUri.isAction(XmppUri.ACTION_JOIN))) {
3281				findings.add(c);
3282			}
3283		}
3284		return findings.size() == 1 ? findings.get(0) : null;
3285	}
3286
3287	public boolean markRead(final Conversation conversation, boolean dismiss) {
3288		return markRead(conversation, null, dismiss).size() > 0;
3289	}
3290
3291	public void markRead(final Conversation conversation) {
3292		markRead(conversation, null, true);
3293	}
3294
3295	public List<Message> markRead(final Conversation conversation, String upToUuid, boolean dismiss) {
3296		if (dismiss) {
3297			mNotificationService.clear(conversation);
3298		}
3299		final List<Message> readMessages = conversation.markRead(upToUuid);
3300		if (readMessages.size() > 0) {
3301			Runnable runnable = () -> {
3302				for (Message message : readMessages) {
3303					databaseBackend.updateMessage(message, false);
3304				}
3305			};
3306			mDatabaseWriterExecutor.execute(runnable);
3307			updateUnreadCountBadge();
3308			return readMessages;
3309		} else {
3310			return readMessages;
3311		}
3312	}
3313
3314	public synchronized void updateUnreadCountBadge() {
3315		int count = unreadCount();
3316		if (unreadCount != count) {
3317			Log.d(Config.LOGTAG, "update unread count to " + count);
3318			if (count > 0) {
3319				ShortcutBadger.applyCount(getApplicationContext(), count);
3320			} else {
3321				ShortcutBadger.removeCount(getApplicationContext());
3322			}
3323			unreadCount = count;
3324		}
3325	}
3326
3327	public void sendReadMarker(final Conversation conversation, String upToUuid) {
3328		final boolean isPrivateAndNonAnonymousMuc = conversation.getMode() == Conversation.MODE_MULTI && conversation.isPrivateAndNonAnonymous();
3329		final List<Message> readMessages = this.markRead(conversation, upToUuid, true);
3330		if (readMessages.size() > 0) {
3331			updateConversationUi();
3332		}
3333		final Message markable = Conversation.getLatestMarkableMessage(readMessages, isPrivateAndNonAnonymousMuc);
3334		if (confirmMessages()
3335				&& markable != null
3336				&& (markable.trusted() || isPrivateAndNonAnonymousMuc)
3337				&& markable.getRemoteMsgId() != null) {
3338			Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
3339			Account account = conversation.getAccount();
3340			final Jid to = markable.getCounterpart();
3341			final boolean groupChat = conversation.getMode() == Conversation.MODE_MULTI;
3342			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId(), markable.getCounterpart(), groupChat);
3343			this.sendMessagePacket(conversation.getAccount(), packet);
3344		}
3345	}
3346
3347	public SecureRandom getRNG() {
3348		return this.mRandom;
3349	}
3350
3351	public MemorizingTrustManager getMemorizingTrustManager() {
3352		return this.mMemorizingTrustManager;
3353	}
3354
3355	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
3356		this.mMemorizingTrustManager = trustManager;
3357	}
3358
3359	public void updateMemorizingTrustmanager() {
3360		final MemorizingTrustManager tm;
3361		final boolean dontTrustSystemCAs = getBooleanPreference("dont_trust_system_cas", R.bool.dont_trust_system_cas);
3362		if (dontTrustSystemCAs) {
3363			tm = new MemorizingTrustManager(getApplicationContext(), null);
3364		} else {
3365			tm = new MemorizingTrustManager(getApplicationContext());
3366		}
3367		setMemorizingTrustManager(tm);
3368	}
3369
3370	public LruCache<String, Bitmap> getBitmapCache() {
3371		return this.mBitmapCache;
3372	}
3373
3374	public Collection<String> getKnownHosts() {
3375		final Set<String> hosts = new HashSet<>();
3376		for (final Account account : getAccounts()) {
3377			hosts.add(account.getServer());
3378			for (final Contact contact : account.getRoster().getContacts()) {
3379				if (contact.showInRoster()) {
3380					final String server = contact.getServer();
3381					if (server != null && !hosts.contains(server)) {
3382						hosts.add(server);
3383					}
3384				}
3385			}
3386		}
3387		if (Config.DOMAIN_LOCK != null) {
3388			hosts.add(Config.DOMAIN_LOCK);
3389		}
3390		if (Config.MAGIC_CREATE_DOMAIN != null) {
3391			hosts.add(Config.MAGIC_CREATE_DOMAIN);
3392		}
3393		return hosts;
3394	}
3395
3396	public Collection<String> getKnownConferenceHosts() {
3397		final Set<String> mucServers = new HashSet<>();
3398		for (final Account account : accounts) {
3399			if (account.getXmppConnection() != null) {
3400				mucServers.addAll(account.getXmppConnection().getMucServers());
3401				for (Bookmark bookmark : account.getBookmarks()) {
3402					final Jid jid = bookmark.getJid();
3403					final String s = jid == null ? null : jid.getDomain();
3404					if (s != null) {
3405						mucServers.add(s);
3406					}
3407				}
3408			}
3409		}
3410		return mucServers;
3411	}
3412
3413	public void sendMessagePacket(Account account, MessagePacket packet) {
3414		XmppConnection connection = account.getXmppConnection();
3415		if (connection != null) {
3416			connection.sendMessagePacket(packet);
3417		}
3418	}
3419
3420	public void sendPresencePacket(Account account, PresencePacket packet) {
3421		XmppConnection connection = account.getXmppConnection();
3422		if (connection != null) {
3423			connection.sendPresencePacket(packet);
3424		}
3425	}
3426
3427	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
3428		final XmppConnection connection = account.getXmppConnection();
3429		if (connection != null) {
3430			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
3431			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener, true);
3432		}
3433	}
3434
3435	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
3436		final XmppConnection connection = account.getXmppConnection();
3437		if (connection != null) {
3438			connection.sendIqPacket(packet, callback);
3439		}
3440	}
3441
3442	public void sendPresence(final Account account) {
3443		sendPresence(account, checkListeners() && broadcastLastActivity());
3444	}
3445
3446	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
3447		Presence.Status status;
3448		if (manuallyChangePresence()) {
3449			status = account.getPresenceStatus();
3450		} else {
3451			status = getTargetPresence();
3452		}
3453		PresencePacket packet = mPresenceGenerator.selfPresence(account, status);
3454		String message = account.getPresenceStatusMessage();
3455		if (message != null && !message.isEmpty()) {
3456			packet.addChild(new Element("status").setContent(message));
3457		}
3458		if (mLastActivity > 0 && includeIdleTimestamp) {
3459			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
3460			packet.addChild("idle", Namespace.IDLE).setAttribute("since", AbstractGenerator.getTimestamp(since));
3461		}
3462		sendPresencePacket(account, packet);
3463	}
3464
3465	private void deactivateGracePeriod() {
3466		for (Account account : getAccounts()) {
3467			account.deactivateGracePeriod();
3468		}
3469	}
3470
3471	public void refreshAllPresences() {
3472		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
3473		for (Account account : getAccounts()) {
3474			if (account.isEnabled()) {
3475				sendPresence(account, includeIdleTimestamp);
3476			}
3477		}
3478	}
3479
3480	private void refreshAllFcmTokens() {
3481		for (Account account : getAccounts()) {
3482			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
3483				mPushManagementService.registerPushTokenOnServer(account);
3484			}
3485		}
3486	}
3487
3488	private void sendOfflinePresence(final Account account) {
3489		Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": sending offline presence");
3490		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
3491	}
3492
3493	public MessageGenerator getMessageGenerator() {
3494		return this.mMessageGenerator;
3495	}
3496
3497	public PresenceGenerator getPresenceGenerator() {
3498		return this.mPresenceGenerator;
3499	}
3500
3501	public IqGenerator getIqGenerator() {
3502		return this.mIqGenerator;
3503	}
3504
3505	public IqParser getIqParser() {
3506		return this.mIqParser;
3507	}
3508
3509	public JingleConnectionManager getJingleConnectionManager() {
3510		return this.mJingleConnectionManager;
3511	}
3512
3513	public MessageArchiveService getMessageArchiveService() {
3514		return this.mMessageArchiveService;
3515	}
3516
3517	public List<Contact> findContacts(Jid jid, String accountJid) {
3518		ArrayList<Contact> contacts = new ArrayList<>();
3519		for (Account account : getAccounts()) {
3520			if ((account.isEnabled() || accountJid != null)
3521					&& (accountJid == null || accountJid.equals(account.getJid().asBareJid().toString()))) {
3522				Contact contact = account.getRoster().getContactFromRoster(jid);
3523				if (contact != null) {
3524					contacts.add(contact);
3525				}
3526			}
3527		}
3528		return contacts;
3529	}
3530
3531	public Conversation findFirstMuc(Jid jid) {
3532		for (Conversation conversation : getConversations()) {
3533			if (conversation.getAccount().isEnabled() && conversation.getJid().asBareJid().equals(jid.asBareJid()) && conversation.getMode() == Conversation.MODE_MULTI) {
3534				return conversation;
3535			}
3536		}
3537		return null;
3538	}
3539
3540	public NotificationService getNotificationService() {
3541		return this.mNotificationService;
3542	}
3543
3544	public HttpConnectionManager getHttpConnectionManager() {
3545		return this.mHttpConnectionManager;
3546	}
3547
3548	public void resendFailedMessages(final Message message) {
3549		final Collection<Message> messages = new ArrayList<>();
3550		Message current = message;
3551		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
3552			messages.add(current);
3553			if (current.mergeable(current.next())) {
3554				current = current.next();
3555			} else {
3556				break;
3557			}
3558		}
3559		for (final Message msg : messages) {
3560			msg.setTime(System.currentTimeMillis());
3561			markMessage(msg, Message.STATUS_WAITING);
3562			this.resendMessage(msg, false);
3563		}
3564		if (message.getConversation() instanceof Conversation) {
3565			((Conversation) message.getConversation()).sort();
3566		}
3567		updateConversationUi();
3568	}
3569
3570	public void clearConversationHistory(final Conversation conversation) {
3571		final long clearDate;
3572		final String reference;
3573		if (conversation.countMessages() > 0) {
3574			Message latestMessage = conversation.getLatestMessage();
3575			clearDate = latestMessage.getTimeSent() + 1000;
3576			reference = latestMessage.getServerMsgId();
3577		} else {
3578			clearDate = System.currentTimeMillis();
3579			reference = null;
3580		}
3581		conversation.clearMessages();
3582		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
3583		conversation.setLastClearHistory(clearDate, reference);
3584		Runnable runnable = () -> {
3585			databaseBackend.deleteMessagesInConversation(conversation);
3586			databaseBackend.updateConversation(conversation);
3587		};
3588		mDatabaseWriterExecutor.execute(runnable);
3589	}
3590
3591	public boolean sendBlockRequest(final Blockable blockable, boolean reportSpam) {
3592		if (blockable != null && blockable.getBlockedJid() != null) {
3593			final Jid jid = blockable.getBlockedJid();
3594			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), new OnIqPacketReceived() {
3595
3596				@Override
3597				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3598					if (packet.getType() == IqPacket.TYPE.RESULT) {
3599						account.getBlocklist().add(jid);
3600						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
3601					}
3602				}
3603			});
3604			if (removeBlockedConversations(blockable.getAccount(), jid)) {
3605				updateConversationUi();
3606				return true;
3607			} else {
3608				return false;
3609			}
3610		} else {
3611			return false;
3612		}
3613	}
3614
3615	public boolean removeBlockedConversations(final Account account, final Jid blockedJid) {
3616		boolean removed = false;
3617		synchronized (this.conversations) {
3618			boolean domainJid = blockedJid.getLocal() == null;
3619			for (Conversation conversation : this.conversations) {
3620				boolean jidMatches = (domainJid && blockedJid.getDomain().equals(conversation.getJid().getDomain()))
3621						|| blockedJid.equals(conversation.getJid().asBareJid());
3622				if (conversation.getAccount() == account
3623						&& conversation.getMode() == Conversation.MODE_SINGLE
3624						&& jidMatches) {
3625					this.conversations.remove(conversation);
3626					markRead(conversation);
3627					conversation.setStatus(Conversation.STATUS_ARCHIVED);
3628					Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": archiving conversation " + conversation.getJid().asBareJid() + " because jid was blocked");
3629					updateConversation(conversation);
3630					removed = true;
3631				}
3632			}
3633		}
3634		return removed;
3635	}
3636
3637	public void sendUnblockRequest(final Blockable blockable) {
3638		if (blockable != null && blockable.getJid() != null) {
3639			final Jid jid = blockable.getBlockedJid();
3640			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
3641				@Override
3642				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3643					if (packet.getType() == IqPacket.TYPE.RESULT) {
3644						account.getBlocklist().remove(jid);
3645						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
3646					}
3647				}
3648			});
3649		}
3650	}
3651
3652	public void publishDisplayName(Account account) {
3653		String displayName = account.getDisplayName();
3654		if (displayName != null && !displayName.isEmpty()) {
3655			IqPacket publish = mIqGenerator.publishNick(displayName);
3656			sendIqPacket(account, publish, (account1, packet) -> {
3657				if (packet.getType() == IqPacket.TYPE.ERROR) {
3658					Log.d(Config.LOGTAG, account1.getJid().asBareJid() + ": could not publish nick");
3659				}
3660			});
3661		}
3662	}
3663
3664	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
3665		ServiceDiscoveryResult result = discoCache.get(key);
3666		if (result != null) {
3667			return result;
3668		} else {
3669			result = databaseBackend.findDiscoveryResult(key.first, key.second);
3670			if (result != null) {
3671				discoCache.put(key, result);
3672			}
3673			return result;
3674		}
3675	}
3676
3677	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
3678		final Pair<String, String> key = new Pair<>(presence.getHash(), presence.getVer());
3679		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
3680		if (disco != null) {
3681			presence.setServiceDiscoveryResult(disco);
3682		} else {
3683			if (!account.inProgressDiscoFetches.contains(key)) {
3684				account.inProgressDiscoFetches.add(key);
3685				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3686				request.setTo(jid);
3687				final String node = presence.getNode();
3688				final String ver = presence.getVer();
3689				final Element query = request.query("http://jabber.org/protocol/disco#info");
3690				if (node != null && ver != null) {
3691					query.setAttribute("node",node+"#"+ver);
3692				}
3693				Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": making disco request for " + key.second + " to " + jid);
3694				sendIqPacket(account, request, (a, response) -> {
3695					if (response.getType() == IqPacket.TYPE.RESULT) {
3696						ServiceDiscoveryResult discoveryResult = new ServiceDiscoveryResult(response);
3697						if (presence.getVer().equals(discoveryResult.getVer())) {
3698							databaseBackend.insertDiscoveryResult(discoveryResult);
3699							injectServiceDiscorveryResult(a.getRoster(), presence.getHash(), presence.getVer(), discoveryResult);
3700						} else {
3701							Log.d(Config.LOGTAG, a.getJid().asBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + discoveryResult.getVer());
3702						}
3703					}
3704					a.inProgressDiscoFetches.remove(key);
3705				});
3706			}
3707		}
3708	}
3709
3710	private void injectServiceDiscorveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
3711		for (Contact contact : roster.getContacts()) {
3712			for (Presence presence : contact.getPresences().getPresences().values()) {
3713				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
3714					presence.setServiceDiscoveryResult(disco);
3715				}
3716			}
3717		}
3718	}
3719
3720	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
3721		final boolean legacy = account.getXmppConnection().getFeatures().mamLegacy();
3722		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3723		request.addChild("prefs", legacy ? Namespace.MAM_LEGACY : Namespace.MAM);
3724		sendIqPacket(account, request, (account1, packet) -> {
3725			Element prefs = packet.findChild("prefs", legacy ? Namespace.MAM_LEGACY : Namespace.MAM);
3726			if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
3727				callback.onPreferencesFetched(prefs);
3728			} else {
3729				callback.onPreferencesFetchFailed();
3730			}
3731		});
3732	}
3733
3734	public PushManagementService getPushManagementService() {
3735		return mPushManagementService;
3736	}
3737
3738	public Account getPendingAccount() {
3739		Account pending = null;
3740		for (Account account : getAccounts()) {
3741			if (!account.isOptionSet(Account.OPTION_LOGGED_IN_SUCCESSFULLY)) {
3742				pending = account;
3743			} else {
3744				return null;
3745			}
3746		}
3747		return pending;
3748	}
3749
3750	public void changeStatus(Account account, PresenceTemplate template, String signature) {
3751		if (!template.getStatusMessage().isEmpty()) {
3752			databaseBackend.insertPresenceTemplate(template);
3753		}
3754		account.setPgpSignature(signature);
3755		account.setPresenceStatus(template.getStatus());
3756		account.setPresenceStatusMessage(template.getStatusMessage());
3757		databaseBackend.updateAccount(account);
3758		sendPresence(account);
3759	}
3760
3761	public List<PresenceTemplate> getPresenceTemplates(Account account) {
3762		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
3763		for (PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
3764			if (!templates.contains(template)) {
3765				templates.add(0, template);
3766			}
3767		}
3768		return templates;
3769	}
3770
3771	public void saveConversationAsBookmark(Conversation conversation, String name) {
3772		Account account = conversation.getAccount();
3773		Bookmark bookmark = new Bookmark(account, conversation.getJid().asBareJid());
3774		if (!conversation.getJid().isBareJid()) {
3775			bookmark.setNick(conversation.getJid().getResource());
3776		}
3777		if (!TextUtils.isEmpty(name)) {
3778			bookmark.setBookmarkName(name);
3779		}
3780		bookmark.setAutojoin(getPreferences().getBoolean("autojoin", getResources().getBoolean(R.bool.autojoin)));
3781		account.getBookmarks().add(bookmark);
3782		pushBookmarks(account);
3783		bookmark.setConversation(conversation);
3784	}
3785
3786	public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
3787		boolean performedVerification = false;
3788		final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
3789		for (XmppUri.Fingerprint fp : fingerprints) {
3790			if (fp.type == XmppUri.FingerprintType.OMEMO) {
3791				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
3792				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
3793				if (fingerprintStatus != null) {
3794					if (!fingerprintStatus.isVerified()) {
3795						performedVerification = true;
3796						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
3797					}
3798				} else {
3799					axolotlService.preVerifyFingerprint(contact, fingerprint);
3800				}
3801			}
3802		}
3803		return performedVerification;
3804	}
3805
3806	public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
3807		final AxolotlService axolotlService = account.getAxolotlService();
3808		boolean verifiedSomething = false;
3809		for (XmppUri.Fingerprint fp : fingerprints) {
3810			if (fp.type == XmppUri.FingerprintType.OMEMO) {
3811				String fingerprint = "05" + fp.fingerprint.replaceAll("\\s", "");
3812				Log.d(Config.LOGTAG, "trying to verify own fp=" + fingerprint);
3813				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
3814				if (fingerprintStatus != null) {
3815					if (!fingerprintStatus.isVerified()) {
3816						axolotlService.setFingerprintTrust(fingerprint, fingerprintStatus.toVerified());
3817						verifiedSomething = true;
3818					}
3819				} else {
3820					axolotlService.preVerifyFingerprint(account, fingerprint);
3821					verifiedSomething = true;
3822				}
3823			}
3824		}
3825		return verifiedSomething;
3826	}
3827
3828	public boolean blindTrustBeforeVerification() {
3829		return getBooleanPreference(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, R.bool.btbv);
3830	}
3831
3832	public ShortcutService getShortcutService() {
3833		return mShortcutService;
3834	}
3835
3836	public void pushMamPreferences(Account account, Element prefs) {
3837		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3838		set.addChild(prefs);
3839		sendIqPacket(account, set, null);
3840	}
3841
3842	public interface OnMamPreferencesFetched {
3843		void onPreferencesFetched(Element prefs);
3844
3845		void onPreferencesFetchFailed();
3846	}
3847
3848	public interface OnAccountCreated {
3849		void onAccountCreated(Account account);
3850
3851		void informUser(int r);
3852	}
3853
3854	public interface OnMoreMessagesLoaded {
3855		void onMoreMessagesLoaded(int count, Conversation conversation);
3856
3857		void informUser(int r);
3858	}
3859
3860	public interface OnAccountPasswordChanged {
3861		void onPasswordChangeSucceeded();
3862
3863		void onPasswordChangeFailed();
3864	}
3865
3866	public interface OnAffiliationChanged {
3867		void onAffiliationChangedSuccessful(Jid jid);
3868
3869		void onAffiliationChangeFailed(Jid jid, int resId);
3870	}
3871
3872	public interface OnRoleChanged {
3873		void onRoleChangedSuccessful(String nick);
3874
3875		void onRoleChangeFailed(String nick, int resid);
3876	}
3877
3878	public interface OnConversationUpdate {
3879		void onConversationUpdate();
3880	}
3881
3882	public interface OnAccountUpdate {
3883		void onAccountUpdate();
3884	}
3885
3886	public interface OnCaptchaRequested {
3887		void onCaptchaRequested(Account account, String id, Data data, Bitmap captcha);
3888	}
3889
3890	public interface OnRosterUpdate {
3891		void onRosterUpdate();
3892	}
3893
3894	public interface OnMucRosterUpdate {
3895		void onMucRosterUpdate();
3896	}
3897
3898	public interface OnConferenceConfigurationFetched {
3899		void onConferenceConfigurationFetched(Conversation conversation);
3900
3901		void onFetchFailed(Conversation conversation, Element error);
3902	}
3903
3904	public interface OnConferenceJoined {
3905		void onConferenceJoined(Conversation conversation);
3906	}
3907
3908	public interface OnConfigurationPushed {
3909		void onPushSucceeded();
3910
3911		void onPushFailed();
3912	}
3913
3914	public interface OnShowErrorToast {
3915		void onShowErrorToast(int resId);
3916	}
3917
3918	public class XmppConnectionBinder extends Binder {
3919		public XmppConnectionService getService() {
3920			return XmppConnectionService.this;
3921		}
3922	}
3923}