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.v4.app.RemoteInput;
  30import android.util.DisplayMetrics;
  31import android.util.Log;
  32import android.util.LruCache;
  33import android.util.Pair;
  34
  35import net.java.otr4j.OtrException;
  36import net.java.otr4j.session.Session;
  37import net.java.otr4j.session.SessionID;
  38import net.java.otr4j.session.SessionImpl;
  39import net.java.otr4j.session.SessionStatus;
  40
  41import org.openintents.openpgp.IOpenPgpService2;
  42import org.openintents.openpgp.util.OpenPgpApi;
  43import org.openintents.openpgp.util.OpenPgpServiceConnection;
  44
  45import java.math.BigInteger;
  46import java.security.SecureRandom;
  47import java.security.cert.CertificateException;
  48import java.security.cert.X509Certificate;
  49import java.util.ArrayList;
  50import java.util.Arrays;
  51import java.util.Collection;
  52import java.util.Collections;
  53import java.util.HashMap;
  54import java.util.HashSet;
  55import java.util.Hashtable;
  56import java.util.Iterator;
  57import java.util.List;
  58import java.util.Locale;
  59import java.util.Map;
  60import java.util.concurrent.CopyOnWriteArrayList;
  61
  62import de.duenndns.ssl.MemorizingTrustManager;
  63import eu.siacs.conversations.Config;
  64import eu.siacs.conversations.R;
  65import eu.siacs.conversations.crypto.PgpDecryptionService;
  66import eu.siacs.conversations.crypto.PgpEngine;
  67import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  68import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  69import eu.siacs.conversations.entities.Account;
  70import eu.siacs.conversations.entities.Blockable;
  71import eu.siacs.conversations.entities.Bookmark;
  72import eu.siacs.conversations.entities.Contact;
  73import eu.siacs.conversations.entities.Conversation;
  74import eu.siacs.conversations.entities.DownloadableFile;
  75import eu.siacs.conversations.entities.Message;
  76import eu.siacs.conversations.entities.MucOptions;
  77import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  78import eu.siacs.conversations.entities.Presence;
  79import eu.siacs.conversations.entities.PresenceTemplate;
  80import eu.siacs.conversations.entities.Roster;
  81import eu.siacs.conversations.entities.ServiceDiscoveryResult;
  82import eu.siacs.conversations.entities.Transferable;
  83import eu.siacs.conversations.entities.TransferablePlaceholder;
  84import eu.siacs.conversations.generator.AbstractGenerator;
  85import eu.siacs.conversations.generator.IqGenerator;
  86import eu.siacs.conversations.generator.MessageGenerator;
  87import eu.siacs.conversations.generator.PresenceGenerator;
  88import eu.siacs.conversations.http.HttpConnectionManager;
  89import eu.siacs.conversations.parser.AbstractParser;
  90import eu.siacs.conversations.parser.IqParser;
  91import eu.siacs.conversations.parser.MessageParser;
  92import eu.siacs.conversations.parser.PresenceParser;
  93import eu.siacs.conversations.persistance.DatabaseBackend;
  94import eu.siacs.conversations.persistance.FileBackend;
  95import eu.siacs.conversations.ui.UiCallback;
  96import eu.siacs.conversations.utils.ConversationsFileObserver;
  97import eu.siacs.conversations.utils.CryptoHelper;
  98import eu.siacs.conversations.utils.ExceptionHelper;
  99import eu.siacs.conversations.utils.OnPhoneContactsLoadedListener;
 100import eu.siacs.conversations.utils.PRNGFixes;
 101import eu.siacs.conversations.utils.PhoneHelper;
 102import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 103import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 104import eu.siacs.conversations.utils.Xmlns;
 105import eu.siacs.conversations.xml.Element;
 106import eu.siacs.conversations.xmpp.OnBindListener;
 107import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 108import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 109import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 110import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 111import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 112import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 113import eu.siacs.conversations.xmpp.OnStatusChanged;
 114import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 115import eu.siacs.conversations.xmpp.XmppConnection;
 116import eu.siacs.conversations.xmpp.chatstate.ChatState;
 117import eu.siacs.conversations.xmpp.forms.Data;
 118import eu.siacs.conversations.xmpp.forms.Field;
 119import eu.siacs.conversations.xmpp.jid.InvalidJidException;
 120import eu.siacs.conversations.xmpp.jid.Jid;
 121import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 122import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 123import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 124import eu.siacs.conversations.xmpp.pep.Avatar;
 125import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 126import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 127import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 128import me.leolin.shortcutbadger.ShortcutBadger;
 129
 130public class XmppConnectionService extends Service {
 131
 132	public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 133	public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 134	public static final String ACTION_DISABLE_FOREGROUND = "disable_foreground";
 135	public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 136	public static final String ACTION_TRY_AGAIN = "try_again";
 137	public static final String ACTION_IDLE_PING = "idle_ping";
 138	private static final String ACTION_MERGE_PHONE_CONTACTS = "merge_phone_contacts";
 139	public static final String ACTION_GCM_TOKEN_REFRESH = "gcm_token_refresh";
 140	public static final String ACTION_GCM_MESSAGE_RECEIVED = "gcm_message_received";
 141	private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor();
 142	private final SerialSingleThreadExecutor mDatabaseExecutor = new SerialSingleThreadExecutor();
 143	private ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor(true);
 144	private final IBinder mBinder = new XmppConnectionBinder();
 145	private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 146	private final IqGenerator mIqGenerator = new IqGenerator(this);
 147	private final List<String> mInProgressAvatarFetches = new ArrayList<>();
 148	private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 149
 150	private long mLastActivity = 0;
 151
 152	public DatabaseBackend databaseBackend;
 153	private ContentObserver contactObserver = new ContentObserver(null) {
 154		@Override
 155		public void onChange(boolean selfChange) {
 156			super.onChange(selfChange);
 157			Intent intent = new Intent(getApplicationContext(),
 158					XmppConnectionService.class);
 159			intent.setAction(ACTION_MERGE_PHONE_CONTACTS);
 160			startService(intent);
 161		}
 162	};
 163	private FileBackend fileBackend = new FileBackend(this);
 164	private MemorizingTrustManager mMemorizingTrustManager;
 165	private NotificationService mNotificationService = new NotificationService(
 166			this);
 167	private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 168	private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 169	private IqParser mIqParser = new IqParser(this);
 170	private OnIqPacketReceived mDefaultIqHandler = new OnIqPacketReceived() {
 171		@Override
 172		public void onIqPacketReceived(Account account, IqPacket packet) {
 173			if (packet.getType() != IqPacket.TYPE.RESULT) {
 174				Element error = packet.findChild("error");
 175				String text = error != null ? error.findChildContent("text") : null;
 176				if (text != null) {
 177					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": received iq error - " + text);
 178				}
 179			}
 180		}
 181	};
 182	private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 183	private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 184	private List<Account> accounts;
 185	private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 186			this);
 187	public OnContactStatusChanged onContactStatusChanged = new OnContactStatusChanged() {
 188
 189		@Override
 190		public void onContactStatusChanged(Contact contact, boolean online) {
 191			Conversation conversation = find(getConversations(), contact);
 192			if (conversation != null) {
 193				if (online) {
 194					conversation.endOtrIfNeeded();
 195					if (contact.getPresences().size() == 1) {
 196						sendUnsentMessages(conversation);
 197					}
 198				} else {
 199					//check if the resource we are haveing a conversation with is still online
 200					if (conversation.hasValidOtrSession()) {
 201						String otrResource = conversation.getOtrSession().getSessionID().getUserID();
 202						if (!(Arrays.asList(contact.getPresences().toResourceArray()).contains(otrResource))) {
 203							conversation.endOtrIfNeeded();
 204						}
 205					}
 206				}
 207			}
 208		}
 209	};
 210	private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(
 211			this);
 212	private AvatarService mAvatarService = new AvatarService(this);
 213	private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 214	private PushManagementService mPushManagementService = new PushManagementService(this);
 215	private OnConversationUpdate mOnConversationUpdate = null;
 216
 217
 218	private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 219			Environment.getExternalStorageDirectory().getAbsolutePath()
 220	) {
 221		@Override
 222		public void onEvent(int event, String path) {
 223			markFileDeleted(path);
 224		}
 225	};
 226	private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 227
 228		@Override
 229		public void onJinglePacketReceived(Account account, JinglePacket packet) {
 230			mJingleConnectionManager.deliverPacket(account, packet);
 231		}
 232	};
 233	private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 234
 235		@Override
 236		public void onMessageAcknowledged(Account account, String uuid) {
 237			for (final Conversation conversation : getConversations()) {
 238				if (conversation.getAccount() == account) {
 239					Message message = conversation.findUnsentMessageWithUuid(uuid);
 240					if (message != null) {
 241						markMessage(message, Message.STATUS_SEND);
 242					}
 243				}
 244			}
 245		}
 246	};
 247	private int convChangedListenerCount = 0;
 248	private OnShowErrorToast mOnShowErrorToast = null;
 249	private int showErrorToastListenerCount = 0;
 250	private int unreadCount = -1;
 251	private OnAccountUpdate mOnAccountUpdate = null;
 252	private OnCaptchaRequested mOnCaptchaRequested = null;
 253	private int accountChangedListenerCount = 0;
 254	private int captchaRequestedListenerCount = 0;
 255	private OnRosterUpdate mOnRosterUpdate = null;
 256	private OnUpdateBlocklist mOnUpdateBlocklist = null;
 257	private int updateBlocklistListenerCount = 0;
 258	private int rosterChangedListenerCount = 0;
 259	private OnMucRosterUpdate mOnMucRosterUpdate = null;
 260	private int mucRosterChangedListenerCount = 0;
 261	private OnKeyStatusUpdated mOnKeyStatusUpdated = null;
 262	private int keyStatusUpdatedListenerCount = 0;
 263	private SecureRandom mRandom;
 264	private LruCache<Pair<String,String>,ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 265	private final OnBindListener mOnBindListener = new OnBindListener() {
 266
 267		@Override
 268		public void onBind(final Account account) {
 269			synchronized (mInProgressAvatarFetches) {
 270				for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 271					final String KEY = iterator.next();
 272					if (KEY.startsWith(account.getJid().toBareJid() + "_")) {
 273						iterator.remove();
 274					}
 275				}
 276			}
 277			account.getRoster().clearPresences();
 278			mJingleConnectionManager.cancelInTransmission();
 279			fetchRosterFromServer(account);
 280			fetchBookmarks(account);
 281			sendPresence(account);
 282			if (mPushManagementService.available(account)) {
 283				mPushManagementService.registerPushTokenOnServer(account);
 284			}
 285			connectMultiModeConversations(account);
 286			syncDirtyContacts(account);
 287		}
 288	};
 289	private OnStatusChanged statusListener = new OnStatusChanged() {
 290
 291		@Override
 292		public void onStatusChanged(final Account account) {
 293			XmppConnection connection = account.getXmppConnection();
 294			if (mOnAccountUpdate != null) {
 295				mOnAccountUpdate.onAccountUpdate();
 296			}
 297			if (account.getStatus() == Account.State.ONLINE) {
 298				if (account.setShowErrorNotification(true)) {
 299					databaseBackend.updateAccount(account);
 300				}
 301				mMessageArchiveService.executePendingQueries(account);
 302				if (connection != null && connection.getFeatures().csi()) {
 303					if (checkListeners()) {
 304						Log.d(Config.LOGTAG, account.getJid().toBareJid() + " sending csi//inactive");
 305						connection.sendInactive();
 306					} else {
 307						Log.d(Config.LOGTAG, account.getJid().toBareJid() + " sending csi//active");
 308						connection.sendActive();
 309					}
 310				}
 311				List<Conversation> conversations = getConversations();
 312				for (Conversation conversation : conversations) {
 313					if (conversation.getAccount() == account
 314							&& !account.pendingConferenceJoins.contains(conversation)) {
 315						if (!conversation.startOtrIfNeeded()) {
 316							Log.d(Config.LOGTAG,account.getJid().toBareJid()+": couldn't start OTR with "+conversation.getContact().getJid()+" when needed");
 317						}
 318						sendUnsentMessages(conversation);
 319					}
 320				}
 321				for (Conversation conversation : account.pendingConferenceLeaves) {
 322					leaveMuc(conversation);
 323				}
 324				account.pendingConferenceLeaves.clear();
 325				for (Conversation conversation : account.pendingConferenceJoins) {
 326					joinMuc(conversation);
 327				}
 328				account.pendingConferenceJoins.clear();
 329				scheduleWakeUpCall(Config.PUSH_MODE ? Config.PING_MIN_INTERVAL : Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 330			} else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 331				resetSendingToWaiting(account);
 332				final boolean disabled = account.isOptionSet(Account.OPTION_DISABLED);
 333				final boolean listeners = checkListeners();
 334				final boolean pushMode = Config.PUSH_MODE
 335						&& mPushManagementService.available(account)
 336						&& listeners;
 337				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": push mode="+Boolean.toString(pushMode)+" listeners="+Boolean.toString(listeners));
 338				if (!disabled && !pushMode) {
 339					if (mLowPingTimeoutMode.contains(account.getJid().toBareJid())) {
 340						Log.d(Config.LOGTAG,account.getJid().toBareJid()+": went into offline state during low ping mode. reconnecting now");
 341						reconnectAccount(account,true,false);
 342					} else {
 343						int timeToReconnect = mRandom.nextInt(20) + 10;
 344						scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 345					}
 346				}
 347			} else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 348				databaseBackend.updateAccount(account);
 349				reconnectAccount(account, true, false);
 350			} else if ((account.getStatus() != Account.State.CONNECTING)
 351					&& (account.getStatus() != Account.State.NO_INTERNET)) {
 352				resetSendingToWaiting(account);
 353				if (connection != null) {
 354					int next = connection.getTimeToNextAttempt();
 355					Log.d(Config.LOGTAG, account.getJid().toBareJid()
 356							+ ": error connecting account. try again in "
 357							+ next + "s for the "
 358							+ (connection.getAttempt() + 1) + " time");
 359					scheduleWakeUpCall(next, account.getUuid().hashCode());
 360				}
 361			}
 362			getNotificationService().updateErrorNotification();
 363		}
 364	};
 365	private OpenPgpServiceConnection pgpServiceConnection;
 366	private PgpEngine mPgpEngine = null;
 367	private WakeLock wakeLock;
 368	private PowerManager pm;
 369	private LruCache<String, Bitmap> mBitmapCache;
 370	private EventReceiver mEventReceiver = new EventReceiver();
 371
 372	private boolean mRestoredFromDatabase = false;
 373
 374	private static String generateFetchKey(Account account, final Avatar avatar) {
 375		return account.getJid().toBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 376	}
 377
 378	public boolean areMessagesInitialized() {
 379		return this.mRestoredFromDatabase;
 380	}
 381
 382	public PgpEngine getPgpEngine() {
 383		if (!Config.supportOpenPgp()) {
 384			return null;
 385		} else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 386			if (this.mPgpEngine == null) {
 387				this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 388						getApplicationContext(),
 389						pgpServiceConnection.getService()), this);
 390			}
 391			return mPgpEngine;
 392		} else {
 393			return null;
 394		}
 395
 396	}
 397
 398	public OpenPgpApi getOpenPgpApi() {
 399		if (!Config.supportOpenPgp()) {
 400			return null;
 401		} else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 402			return new OpenPgpApi(this, pgpServiceConnection.getService());
 403		} else {
 404			return null;
 405		}
 406	}
 407
 408	public FileBackend getFileBackend() {
 409		return this.fileBackend;
 410	}
 411
 412	public AvatarService getAvatarService() {
 413		return this.mAvatarService;
 414	}
 415
 416	public void attachLocationToConversation(final Conversation conversation,
 417											 final Uri uri,
 418											 final UiCallback<Message> callback) {
 419		int encryption = conversation.getNextEncryption();
 420		if (encryption == Message.ENCRYPTION_PGP) {
 421			encryption = Message.ENCRYPTION_DECRYPTED;
 422		}
 423		Message message = new Message(conversation, uri.toString(), encryption);
 424		if (conversation.getNextCounterpart() != null) {
 425			message.setCounterpart(conversation.getNextCounterpart());
 426		}
 427		if (encryption == Message.ENCRYPTION_DECRYPTED) {
 428			getPgpEngine().encrypt(message, callback);
 429		} else {
 430			callback.success(message);
 431		}
 432	}
 433
 434	public void attachFileToConversation(final Conversation conversation,
 435										 final Uri uri,
 436										 final UiCallback<Message> callback) {
 437		if (FileBackend.weOwnFile(this, uri)) {
 438			Log.d(Config.LOGTAG,"trying to attach file that belonged to us");
 439			callback.error(R.string.security_error_invalid_file_access, null);
 440			return;
 441		}
 442		final Message message;
 443		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 444			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 445		} else {
 446			message = new Message(conversation, "", conversation.getNextEncryption());
 447		}
 448		message.setCounterpart(conversation.getNextCounterpart());
 449		message.setType(Message.TYPE_FILE);
 450		final String path = getFileBackend().getOriginalPath(uri);
 451		mFileAddingExecutor.execute(new Runnable() {
 452			@Override
 453			public void run() {
 454				if (path != null) {
 455					message.setRelativeFilePath(path);
 456					getFileBackend().updateFileParams(message);
 457					if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 458						getPgpEngine().encrypt(message, callback);
 459					} else {
 460						callback.success(message);
 461					}
 462				} else {
 463					try {
 464						getFileBackend().copyFileToPrivateStorage(message, uri);
 465						getFileBackend().updateFileParams(message);
 466						if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 467							final PgpEngine pgpEngine = getPgpEngine();
 468							if (pgpEngine != null) {
 469								pgpEngine.encrypt(message, callback);
 470							} else if (callback != null) {
 471								callback.error(R.string.unable_to_connect_to_keychain, null);
 472							}
 473						} else {
 474							callback.success(message);
 475						}
 476					} catch (FileBackend.FileCopyException e) {
 477						callback.error(e.getResId(), message);
 478					}
 479				}
 480			}
 481		});
 482	}
 483
 484	public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 485		if (FileBackend.weOwnFile(this, uri)) {
 486			Log.d(Config.LOGTAG,"trying to attach file that belonged to us");
 487			callback.error(R.string.security_error_invalid_file_access, null);
 488			return;
 489		}
 490		final String compressPictures = getCompressPicturesPreference();
 491		if ("never".equals(compressPictures)
 492				|| ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))) {
 493			Log.d(Config.LOGTAG,conversation.getAccount().getJid().toBareJid()+ ": not compressing picture. sending as file");
 494			attachFileToConversation(conversation, uri, callback);
 495			return;
 496		}
 497		final Message message;
 498		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 499			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 500		} else {
 501			message = new Message(conversation, "", conversation.getNextEncryption());
 502		}
 503		message.setCounterpart(conversation.getNextCounterpart());
 504		message.setType(Message.TYPE_IMAGE);
 505		mFileAddingExecutor.execute(new Runnable() {
 506
 507			@Override
 508			public void run() {
 509				try {
 510					getFileBackend().copyImageToPrivateStorage(message, uri);
 511					if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 512						final PgpEngine pgpEngine = getPgpEngine();
 513						if (pgpEngine != null) {
 514							pgpEngine.encrypt(message, callback);
 515						} else if (callback != null){
 516							callback.error(R.string.unable_to_connect_to_keychain, null);
 517						}
 518					} else {
 519						callback.success(message);
 520					}
 521				} catch (final FileBackend.FileCopyException e) {
 522					callback.error(e.getResId(), message);
 523				}
 524			}
 525		});
 526	}
 527
 528	public Conversation find(Bookmark bookmark) {
 529		return find(bookmark.getAccount(), bookmark.getJid());
 530	}
 531
 532	public Conversation find(final Account account, final Jid jid) {
 533		return find(getConversations(), account, jid);
 534	}
 535
 536	@Override
 537	public int onStartCommand(Intent intent, int flags, int startId) {
 538		final String action = intent == null ? null : intent.getAction();
 539		String pushedAccountHash = null;
 540		boolean interactive = false;
 541		if (action != null) {
 542			final Conversation c = findConversationByUuid(intent.getStringExtra("uuid"));
 543			switch (action) {
 544				case ConnectivityManager.CONNECTIVITY_ACTION:
 545					if (hasInternetConnection() && Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 546						resetAllAttemptCounts(true);
 547					}
 548					break;
 549				case ACTION_MERGE_PHONE_CONTACTS:
 550					if (mRestoredFromDatabase) {
 551						loadPhoneContacts();
 552					}
 553					return START_STICKY;
 554				case Intent.ACTION_SHUTDOWN:
 555					logoutAndSave(true);
 556					return START_NOT_STICKY;
 557				case ACTION_CLEAR_NOTIFICATION:
 558					if (c != null) {
 559						mNotificationService.clear(c);
 560					} else {
 561						mNotificationService.clear();
 562					}
 563					break;
 564				case ACTION_DISABLE_FOREGROUND:
 565					getPreferences().edit().putBoolean("keep_foreground_service", false).commit();
 566					toggleForegroundService();
 567					break;
 568				case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 569					dismissErrorNotifications();
 570					break;
 571				case ACTION_TRY_AGAIN:
 572					resetAllAttemptCounts(false);
 573					interactive = true;
 574					break;
 575				case ACTION_REPLY_TO_CONVERSATION:
 576					Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 577					if (remoteInput != null && c != null) {
 578						final CharSequence body = remoteInput.getCharSequence("text_reply");
 579						if (body != null && body.length() > 0) {
 580							directReply(c, body.toString(),intent.getBooleanExtra("dismiss_notification",false));
 581						}
 582					}
 583					break;
 584				case AudioManager.RINGER_MODE_CHANGED_ACTION:
 585					if (xaOnSilentMode()) {
 586						refreshAllPresences();
 587					}
 588					break;
 589				case Intent.ACTION_SCREEN_ON:
 590					deactivateGracePeriod();
 591				case Intent.ACTION_SCREEN_OFF:
 592					if (awayWhenScreenOff()) {
 593						refreshAllPresences();
 594					}
 595					break;
 596				case ACTION_GCM_TOKEN_REFRESH:
 597					refreshAllGcmTokens();
 598					break;
 599				case ACTION_IDLE_PING:
 600					if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
 601							&& !Config.PUSH_MODE) {
 602						scheduleNextIdlePing();
 603					}
 604					break;
 605				case ACTION_GCM_MESSAGE_RECEIVED:
 606					Log.d(Config.LOGTAG,"gcm push message arrived in service. extras="+intent.getExtras());
 607					pushedAccountHash = intent.getStringExtra("account");
 608					break;
 609			}
 610		}
 611		this.wakeLock.acquire();
 612
 613		boolean pingNow = false;
 614		HashSet<Account> pingCandidates = new HashSet<>();
 615
 616		for (Account account : accounts) {
 617			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 618				if (!hasInternetConnection()) {
 619					account.setStatus(Account.State.NO_INTERNET);
 620					if (statusListener != null) {
 621						statusListener.onStatusChanged(account);
 622					}
 623				} else {
 624					if (account.getStatus() == Account.State.NO_INTERNET) {
 625						account.setStatus(Account.State.OFFLINE);
 626						if (statusListener != null) {
 627							statusListener.onStatusChanged(account);
 628						}
 629					}
 630					if (account.getStatus() == Account.State.ONLINE) {
 631						long lastReceived = account.getXmppConnection().getLastPacketReceived();
 632						long lastSent = account.getXmppConnection().getLastPingSent();
 633						long pingInterval = (Config.PUSH_MODE || "ui".equals(action)) ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 634						long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 635						int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().toBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 636						long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 637						if (lastSent > lastReceived) {
 638							if (pingTimeoutIn < 0) {
 639								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": ping timeout");
 640								this.reconnectAccount(account, true, interactive);
 641							} else {
 642								int secs = (int) (pingTimeoutIn / 1000);
 643								this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 644							}
 645						} else {
 646							pingCandidates.add(account);
 647							if (CryptoHelper.getAccountFingerprint(account).equals(pushedAccountHash)) {
 648								pingNow = true;
 649								if (mLowPingTimeoutMode.add(account.getJid().toBareJid())) {
 650									Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": entering low ping timeout mode");
 651								}
 652							} else if (msToNextPing <= 0) {
 653								pingNow = true;
 654							} else {
 655								this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 656								if (mLowPingTimeoutMode.remove(account.getJid().toBareJid())) {
 657									Log.d(Config.LOGTAG,account.getJid().toBareJid()+": leaving low ping timeout mode");
 658								}
 659							}
 660						}
 661					} else if (account.getStatus() == Account.State.OFFLINE) {
 662						reconnectAccount(account, true, interactive);
 663					} else if (account.getStatus() == Account.State.CONNECTING) {
 664						long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 665						long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 666						long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 667						long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 668						if (timeout < 0) {
 669							Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting");
 670							account.getXmppConnection().resetAttemptCount();
 671							reconnectAccount(account, true, interactive);
 672						} else if (discoTimeout < 0) {
 673							account.getXmppConnection().sendDiscoTimeout();
 674							scheduleWakeUpCall((int) Math.min(timeout,discoTimeout), account.getUuid().hashCode());
 675						} else {
 676							scheduleWakeUpCall((int) Math.min(timeout,discoTimeout), account.getUuid().hashCode());
 677						}
 678					} else {
 679						if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 680							reconnectAccount(account, true, interactive);
 681						}
 682					}
 683				}
 684				if (mOnAccountUpdate != null) {
 685					mOnAccountUpdate.onAccountUpdate();
 686				}
 687			}
 688		}
 689		if (pingNow) {
 690			final boolean listeners = checkListeners();
 691			for (Account account : pingCandidates) {
 692				if (listeners
 693						&& Config.PUSH_MODE
 694						&& mPushManagementService.available(account)) {
 695					account.getXmppConnection().waitForPush();
 696					cancelWakeUpCall(account.getUuid().hashCode());
 697				} else {
 698					account.getXmppConnection().sendPing();
 699					Log.d(Config.LOGTAG, account.getJid().toBareJid() + " send ping (action=" + action + ",listeners="+Boolean.toString(listeners)+")");
 700					scheduleWakeUpCall(Config.PING_TIMEOUT, account.getUuid().hashCode());
 701				}
 702			}
 703		}
 704		if (wakeLock.isHeld()) {
 705			try {
 706				wakeLock.release();
 707			} catch (final RuntimeException ignored) {
 708			}
 709		}
 710		return START_STICKY;
 711	}
 712
 713	public boolean isDataSaverDisabled() {
 714		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 715			ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 716			return !connectivityManager.isActiveNetworkMetered()
 717					|| connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 718		} else {
 719			return true;
 720		}
 721	}
 722
 723	private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 724		Message message = new Message(conversation,body,conversation.getNextEncryption());
 725		message.markUnread();
 726		if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 727			getPgpEngine().encrypt(message, new UiCallback<Message>() {
 728				@Override
 729				public void success(Message message) {
 730					message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 731					sendMessage(message);
 732					if (dismissAfterReply) {
 733						markRead(message.getConversation(),true);
 734					} else {
 735						mNotificationService.pushFromDirectReply(message);
 736					}
 737				}
 738
 739				@Override
 740				public void error(int errorCode, Message object) {
 741
 742				}
 743
 744				@Override
 745				public void userInputRequried(PendingIntent pi, Message object) {
 746
 747				}
 748			});
 749		} else {
 750			sendMessage(message);
 751			if (dismissAfterReply) {
 752				markRead(conversation,true);
 753			} else {
 754				mNotificationService.pushFromDirectReply(message);
 755			}
 756		}
 757	}
 758
 759	private boolean xaOnSilentMode() {
 760		return getPreferences().getBoolean("xa_on_silent_mode", false);
 761	}
 762
 763	private boolean manuallyChangePresence() {
 764		return getPreferences().getBoolean("manually_change_presence", false);
 765	}
 766
 767	private boolean treatVibrateAsSilent() {
 768		return getPreferences().getBoolean("treat_vibrate_as_silent", false);
 769	}
 770
 771	private boolean awayWhenScreenOff() {
 772		return getPreferences().getBoolean("away_when_screen_off", false);
 773	}
 774
 775	private String getCompressPicturesPreference() {
 776		return getPreferences().getString("picture_compression", "auto");
 777	}
 778
 779	private Presence.Status getTargetPresence() {
 780		if (xaOnSilentMode() && isPhoneSilenced()) {
 781			return Presence.Status.XA;
 782		} else if (awayWhenScreenOff() && !isInteractive()) {
 783			return Presence.Status.AWAY;
 784		} else {
 785			return Presence.Status.ONLINE;
 786		}
 787	}
 788
 789	@SuppressLint("NewApi")
 790	@SuppressWarnings("deprecation")
 791	public boolean isInteractive() {
 792		final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 793
 794		final boolean isScreenOn;
 795		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 796			isScreenOn = pm.isScreenOn();
 797		} else {
 798			isScreenOn = pm.isInteractive();
 799		}
 800		return isScreenOn;
 801	}
 802
 803	private boolean isPhoneSilenced() {
 804		AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 805		try {
 806			if (treatVibrateAsSilent()) {
 807				return audioManager.getRingerMode() != AudioManager.RINGER_MODE_NORMAL;
 808			} else {
 809				return audioManager.getRingerMode() == AudioManager.RINGER_MODE_SILENT;
 810			}
 811		} catch (Throwable throwable) {
 812			Log.d(Config.LOGTAG,"platform bug in isPhoneSilenced ("+ throwable.getMessage()+")");
 813			return false;
 814		}
 815	}
 816
 817	private void resetAllAttemptCounts(boolean reallyAll) {
 818		Log.d(Config.LOGTAG, "resetting all attempt counts");
 819		for (Account account : accounts) {
 820			if (account.hasErrorStatus() || reallyAll) {
 821				final XmppConnection connection = account.getXmppConnection();
 822				if (connection != null) {
 823					connection.resetAttemptCount();
 824				}
 825			}
 826			if (account.setShowErrorNotification(true)) {
 827				databaseBackend.updateAccount(account);
 828			}
 829		}
 830		mNotificationService.updateErrorNotification();
 831	}
 832
 833	private void dismissErrorNotifications() {
 834		for (final Account account : this.accounts) {
 835			if (account.hasErrorStatus()) {
 836				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": dismissing error notification");
 837				if (account.setShowErrorNotification(false)) {
 838					databaseBackend.updateAccount(account);
 839				}
 840			}
 841		}
 842	}
 843
 844	public boolean hasInternetConnection() {
 845		ConnectivityManager cm = (ConnectivityManager) getApplicationContext()
 846				.getSystemService(Context.CONNECTIVITY_SERVICE);
 847		NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
 848		return activeNetwork != null && activeNetwork.isConnected();
 849	}
 850
 851	@SuppressLint("TrulyRandom")
 852	@Override
 853	public void onCreate() {
 854		ExceptionHelper.init(getApplicationContext());
 855		PRNGFixes.apply();
 856		this.mRandom = new SecureRandom();
 857		updateMemorizingTrustmanager();
 858		final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
 859		final int cacheSize = maxMemory / 8;
 860		this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
 861			@Override
 862			protected int sizeOf(final String key, final Bitmap bitmap) {
 863				return bitmap.getByteCount() / 1024;
 864			}
 865		};
 866
 867		this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
 868		this.accounts = databaseBackend.getAccounts();
 869
 870		restoreFromDatabase();
 871
 872		getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, contactObserver);
 873		new Thread(new Runnable() {
 874			@Override
 875			public void run() {
 876				fileObserver.startWatching();
 877			}
 878		}).start();
 879		if (Config.supportOpenPgp()) {
 880			this.pgpServiceConnection = new OpenPgpServiceConnection(getApplicationContext(), "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
 881				@Override
 882				public void onBound(IOpenPgpService2 service) {
 883					for (Account account : accounts) {
 884						final PgpDecryptionService pgp = account.getPgpDecryptionService();
 885						if(pgp != null) {
 886							pgp.continueDecryption(true);
 887						}
 888					}
 889				}
 890
 891				@Override
 892				public void onError(Exception e) {
 893				}
 894			});
 895			this.pgpServiceConnection.bindToService();
 896		}
 897
 898		this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 899		this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "XmppConnectionService");
 900		toggleForegroundService();
 901		updateUnreadCountBadge();
 902		toggleScreenEventReceiver();
 903		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && !Config.PUSH_MODE) {
 904			scheduleNextIdlePing();
 905		}
 906		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 907			registerReceiver(this.mEventReceiver,new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
 908		}
 909	}
 910
 911	@Override
 912	public void onTrimMemory(int level) {
 913		super.onTrimMemory(level);
 914		if (level >= TRIM_MEMORY_COMPLETE) {
 915			Log.d(Config.LOGTAG, "clear cache due to low memory");
 916			getBitmapCache().evictAll();
 917		}
 918	}
 919
 920	@Override
 921	public void onDestroy() {
 922		try {
 923			unregisterReceiver(this.mEventReceiver);
 924		} catch (IllegalArgumentException e) {
 925			//ignored
 926		}
 927		fileObserver.stopWatching();
 928		super.onDestroy();
 929	}
 930
 931	public void toggleScreenEventReceiver() {
 932		if (awayWhenScreenOff() && !manuallyChangePresence()) {
 933			final IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_ON);
 934			filter.addAction(Intent.ACTION_SCREEN_OFF);
 935			registerReceiver(this.mEventReceiver, filter);
 936		} else {
 937			try {
 938				unregisterReceiver(this.mEventReceiver);
 939			} catch (IllegalArgumentException e) {
 940				//ignored
 941			}
 942		}
 943	}
 944
 945	public void toggleForegroundService() {
 946		if (getPreferences().getBoolean("keep_foreground_service", false)) {
 947			startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, this.mNotificationService.createForegroundNotification());
 948		} else {
 949			stopForeground(true);
 950		}
 951	}
 952
 953	@Override
 954	public void onTaskRemoved(final Intent rootIntent) {
 955		super.onTaskRemoved(rootIntent);
 956		if (!getPreferences().getBoolean("keep_foreground_service", false)) {
 957			this.logoutAndSave(false);
 958		} else {
 959			Log.d(Config.LOGTAG,"ignoring onTaskRemoved because foreground service is activated");
 960		}
 961	}
 962
 963	private void logoutAndSave(boolean stop) {
 964		int activeAccounts = 0;
 965		for (final Account account : accounts) {
 966			if (account.getStatus() != Account.State.DISABLED) {
 967				activeAccounts++;
 968			}
 969			databaseBackend.writeRoster(account.getRoster());
 970			if (account.getXmppConnection() != null) {
 971				new Thread(new Runnable() {
 972					@Override
 973					public void run() {
 974						disconnect(account, false);
 975					}
 976				}).start();
 977			}
 978		}
 979		if (stop || activeAccounts == 0) {
 980			Log.d(Config.LOGTAG, "good bye");
 981			stopSelf();
 982		}
 983	}
 984
 985	private void cancelWakeUpCall(int requestCode) {
 986		final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
 987		final Intent intent = new Intent(this, EventReceiver.class);
 988		intent.setAction("ping");
 989		alarmManager.cancel(PendingIntent.getBroadcast(this, requestCode, intent, 0));
 990	}
 991
 992	public void scheduleWakeUpCall(int seconds, int requestCode) {
 993		final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
 994		AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
 995		Intent intent = new Intent(this, EventReceiver.class);
 996		intent.setAction("ping");
 997		PendingIntent alarmIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
 998		alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, alarmIntent);
 999	}
1000
1001	@TargetApi(Build.VERSION_CODES.M)
1002	private void scheduleNextIdlePing() {
1003		Log.d(Config.LOGTAG,"schedule next idle ping");
1004		AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1005		Intent intent = new Intent(this, EventReceiver.class);
1006		intent.setAction(ACTION_IDLE_PING);
1007		alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP,
1008				SystemClock.elapsedRealtime()+(Config.IDLE_PING_INTERVAL * 1000),
1009				PendingIntent.getBroadcast(this,0,intent,0)
1010				);
1011	}
1012
1013	public XmppConnection createConnection(final Account account) {
1014		final SharedPreferences sharedPref = getPreferences();
1015		String resource;
1016		try {
1017			resource = sharedPref.getString("resource", getString(R.string.default_resource)).toLowerCase(Locale.ENGLISH);
1018			if (resource.trim().isEmpty()) {
1019				throw new Exception();
1020			}
1021		} catch (Exception e) {
1022			resource = "conversations";
1023		}
1024		account.setResource(resource);
1025		final XmppConnection connection = new XmppConnection(account, this);
1026		connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1027		connection.setOnStatusChangedListener(this.statusListener);
1028		connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1029		connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1030		connection.setOnJinglePacketReceivedListener(this.jingleListener);
1031		connection.setOnBindListener(this.mOnBindListener);
1032		connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1033		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1034		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1035		AxolotlService axolotlService = account.getAxolotlService();
1036		if (axolotlService != null) {
1037			connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1038		}
1039		return connection;
1040	}
1041
1042	public void sendChatState(Conversation conversation) {
1043		if (sendChatStates()) {
1044			MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1045			sendMessagePacket(conversation.getAccount(), packet);
1046		}
1047	}
1048
1049	private void sendFileMessage(final Message message, final boolean delay) {
1050		Log.d(Config.LOGTAG, "send file message");
1051		final Account account = message.getConversation().getAccount();
1052		if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())) {
1053			mHttpConnectionManager.createNewUploadConnection(message, delay);
1054		} else {
1055			mJingleConnectionManager.createNewConnection(message);
1056		}
1057	}
1058
1059	public void sendMessage(final Message message) {
1060		sendMessage(message, false, false);
1061	}
1062
1063	private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1064		final Account account = message.getConversation().getAccount();
1065		if (account.setShowErrorNotification(true)) {
1066			databaseBackend.updateAccount(account);
1067			mNotificationService.updateErrorNotification();
1068		}
1069		final Conversation conversation = message.getConversation();
1070		account.deactivateGracePeriod();
1071		MessagePacket packet = null;
1072		final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1073				|| account.getServerIdentity() != XmppConnection.Identity.SLACK)
1074				&& !message.edited();
1075		boolean saveInDb = addToConversation;
1076		message.setStatus(Message.STATUS_WAITING);
1077
1078		if (!resend && message.getEncryption() != Message.ENCRYPTION_OTR) {
1079			message.getConversation().endOtrIfNeeded();
1080			message.getConversation().findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR,
1081					new Conversation.OnMessageFound() {
1082						@Override
1083						public void onMessageFound(Message message) {
1084							markMessage(message, Message.STATUS_SEND_FAILED);
1085						}
1086					});
1087		}
1088
1089		if (account.isOnlineAndConnected()) {
1090			switch (message.getEncryption()) {
1091				case Message.ENCRYPTION_NONE:
1092					if (message.needsUploading()) {
1093						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1094								|| message.fixCounterpart()) {
1095							this.sendFileMessage(message, delay);
1096						} else {
1097							break;
1098						}
1099					} else {
1100						packet = mMessageGenerator.generateChat(message);
1101					}
1102					break;
1103				case Message.ENCRYPTION_PGP:
1104				case Message.ENCRYPTION_DECRYPTED:
1105					if (message.needsUploading()) {
1106						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1107								|| message.fixCounterpart()) {
1108							this.sendFileMessage(message, delay);
1109						} else {
1110							break;
1111						}
1112					} else {
1113						packet = mMessageGenerator.generatePgpChat(message);
1114					}
1115					break;
1116				case Message.ENCRYPTION_OTR:
1117					SessionImpl otrSession = conversation.getOtrSession();
1118					if (otrSession != null && otrSession.getSessionStatus() == SessionStatus.ENCRYPTED) {
1119						try {
1120							message.setCounterpart(Jid.fromSessionID(otrSession.getSessionID()));
1121						} catch (InvalidJidException e) {
1122							break;
1123						}
1124						if (message.needsUploading()) {
1125							mJingleConnectionManager.createNewConnection(message);
1126						} else {
1127							packet = mMessageGenerator.generateOtrChat(message);
1128						}
1129					} else if (otrSession == null) {
1130						if (message.fixCounterpart()) {
1131							conversation.startOtrSession(message.getCounterpart().getResourcepart(), true);
1132						} else {
1133							Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could not fix counterpart for OTR message to contact "+message.getContact().getJid());
1134							break;
1135						}
1136					} else {
1137						Log.d(Config.LOGTAG,account.getJid().toBareJid()+" OTR session with "+message.getContact()+" is in wrong state: "+otrSession.getSessionStatus().toString());
1138					}
1139					break;
1140				case Message.ENCRYPTION_AXOLOTL:
1141					message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1142					if (message.needsUploading()) {
1143						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1144								|| message.fixCounterpart()) {
1145							this.sendFileMessage(message, delay);
1146						} else {
1147							break;
1148						}
1149					} else {
1150						XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1151						if (axolotlMessage == null) {
1152							account.getAxolotlService().preparePayloadMessage(message, delay);
1153						} else {
1154							packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1155						}
1156					}
1157					break;
1158
1159			}
1160			if (packet != null) {
1161				if (account.getXmppConnection().getFeatures().sm()
1162						|| (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1163					message.setStatus(Message.STATUS_UNSEND);
1164				} else {
1165					message.setStatus(Message.STATUS_SEND);
1166				}
1167			}
1168		} else {
1169			switch (message.getEncryption()) {
1170				case Message.ENCRYPTION_DECRYPTED:
1171					if (!message.needsUploading()) {
1172						String pgpBody = message.getEncryptedBody();
1173						String decryptedBody = message.getBody();
1174						message.setBody(pgpBody);
1175						message.setEncryption(Message.ENCRYPTION_PGP);
1176						if (message.edited()) {
1177							message.setBody(decryptedBody);
1178							message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1179							databaseBackend.updateMessage(message, message.getEditedId());
1180							updateConversationUi();
1181							return;
1182						} else {
1183							databaseBackend.createMessage(message);
1184							saveInDb = false;
1185							message.setBody(decryptedBody);
1186							message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1187						}
1188					}
1189					break;
1190				case Message.ENCRYPTION_OTR:
1191					if (!conversation.hasValidOtrSession() && message.getCounterpart() != null) {
1192						Log.d(Config.LOGTAG,account.getJid().toBareJid()+": create otr session without starting for "+message.getContact().getJid());
1193						conversation.startOtrSession(message.getCounterpart().getResourcepart(), false);
1194					}
1195					break;
1196				case Message.ENCRYPTION_AXOLOTL:
1197					message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1198					break;
1199			}
1200		}
1201
1202		if (resend) {
1203			if (packet != null && addToConversation) {
1204				if (account.getXmppConnection().getFeatures().sm()
1205						|| (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1206					markMessage(message, Message.STATUS_UNSEND);
1207				} else {
1208					markMessage(message, Message.STATUS_SEND);
1209				}
1210			}
1211		} else {
1212			if (addToConversation) {
1213				conversation.add(message);
1214			}
1215			if (message.getEncryption() == Message.ENCRYPTION_NONE || saveEncryptedMessages()) {
1216				if (saveInDb) {
1217					databaseBackend.createMessage(message);
1218				} else if (message.edited()) {
1219					databaseBackend.updateMessage(message, message.getEditedId());
1220				}
1221			}
1222			updateConversationUi();
1223		}
1224		if (packet != null) {
1225			if (delay) {
1226				mMessageGenerator.addDelay(packet, message.getTimeSent());
1227			}
1228			if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1229				if (this.sendChatStates()) {
1230					packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1231				}
1232			}
1233			sendMessagePacket(account, packet);
1234		}
1235	}
1236
1237	private void sendUnsentMessages(final Conversation conversation) {
1238		conversation.findWaitingMessages(new Conversation.OnMessageFound() {
1239
1240			@Override
1241			public void onMessageFound(Message message) {
1242				resendMessage(message, true);
1243			}
1244		});
1245	}
1246
1247	public void resendMessage(final Message message, final boolean delay) {
1248		sendMessage(message, true, delay);
1249	}
1250
1251	public void fetchRosterFromServer(final Account account) {
1252		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1253		if (!"".equals(account.getRosterVersion())) {
1254			Log.d(Config.LOGTAG, account.getJid().toBareJid()
1255					+ ": fetching roster version " + account.getRosterVersion());
1256		} else {
1257			Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": fetching roster");
1258		}
1259		iqPacket.query(Xmlns.ROSTER).setAttribute("ver", account.getRosterVersion());
1260		sendIqPacket(account, iqPacket, mIqParser);
1261	}
1262
1263	public void fetchBookmarks(final Account account) {
1264		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1265		final Element query = iqPacket.query("jabber:iq:private");
1266		query.addChild("storage", "storage:bookmarks");
1267		final OnIqPacketReceived callback = new OnIqPacketReceived() {
1268
1269			@Override
1270			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1271				if (packet.getType() == IqPacket.TYPE.RESULT) {
1272					final Element query = packet.query();
1273					final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1274					final Element storage = query.findChild("storage", "storage:bookmarks");
1275					final boolean autojoin = respectAutojoin();
1276					if (storage != null) {
1277						for (final Element item : storage.getChildren()) {
1278							if (item.getName().equals("conference")) {
1279								final Bookmark bookmark = Bookmark.parse(item, account);
1280								Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1281								if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1282									bookmark.setBookmarkName(old.getBookmarkName());
1283								}
1284								Conversation conversation = find(bookmark);
1285								if (conversation != null) {
1286									conversation.setBookmark(bookmark);
1287								} else if (bookmark.autojoin() && bookmark.getJid() != null && autojoin) {
1288									conversation = findOrCreateConversation(
1289											account, bookmark.getJid(), true);
1290									conversation.setBookmark(bookmark);
1291									joinMuc(conversation);
1292								}
1293							}
1294						}
1295					}
1296					account.setBookmarks(new ArrayList<>(bookmarks.values()));
1297				} else {
1298					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not fetch bookmarks");
1299				}
1300			}
1301		};
1302		sendIqPacket(account, iqPacket, callback);
1303	}
1304
1305	public void pushBookmarks(Account account) {
1306		Log.d(Config.LOGTAG, account.getJid().toBareJid()+": pushing bookmarks");
1307		IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1308		Element query = iqPacket.query("jabber:iq:private");
1309		Element storage = query.addChild("storage", "storage:bookmarks");
1310		for (Bookmark bookmark : account.getBookmarks()) {
1311			storage.addChild(bookmark);
1312		}
1313		sendIqPacket(account, iqPacket, mDefaultIqHandler);
1314	}
1315
1316	private void restoreFromDatabase() {
1317		synchronized (this.conversations) {
1318			final Map<String, Account> accountLookupTable = new Hashtable<>();
1319			for (Account account : this.accounts) {
1320				accountLookupTable.put(account.getUuid(), account);
1321			}
1322			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1323			for (Conversation conversation : this.conversations) {
1324				Account account = accountLookupTable.get(conversation.getAccountUuid());
1325				conversation.setAccount(account);
1326			}
1327			Runnable runnable = new Runnable() {
1328				@Override
1329				public void run() {
1330					Log.d(Config.LOGTAG, "restoring roster");
1331					for (Account account : accounts) {
1332						databaseBackend.readRoster(account.getRoster());
1333						account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1334					}
1335					getBitmapCache().evictAll();
1336					loadPhoneContacts();
1337					Log.d(Config.LOGTAG, "restoring messages");
1338					for (Conversation conversation : conversations) {
1339						conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1340						checkDeletedFiles(conversation);
1341						conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
1342
1343							@Override
1344							public void onMessageFound(Message message) {
1345								markMessage(message, Message.STATUS_WAITING);
1346							}
1347						});
1348						conversation.findUnreadMessages(new Conversation.OnMessageFound() {
1349							@Override
1350							public void onMessageFound(Message message) {
1351								mNotificationService.pushFromBacklog(message);
1352							}
1353						});
1354					}
1355					mNotificationService.finishBacklog(false);
1356					mRestoredFromDatabase = true;
1357					Log.d(Config.LOGTAG, "restored all messages");
1358					updateConversationUi();
1359				}
1360			};
1361			mDatabaseExecutor.execute(runnable);
1362		}
1363	}
1364
1365	public void loadPhoneContacts() {
1366		mContactMergerExecutor.execute(new Runnable() {
1367			@Override
1368			public void run() {
1369				PhoneHelper.loadPhoneContacts(XmppConnectionService.this, new OnPhoneContactsLoadedListener() {
1370					@Override
1371					public void onPhoneContactsLoaded(List<Bundle> phoneContacts) {
1372						Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1373						for (Account account : accounts) {
1374							List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts();
1375							for (Bundle phoneContact : phoneContacts) {
1376								Jid jid;
1377								try {
1378									jid = Jid.fromString(phoneContact.getString("jid"));
1379								} catch (final InvalidJidException e) {
1380									continue;
1381								}
1382								final Contact contact = account.getRoster().getContact(jid);
1383								String systemAccount = phoneContact.getInt("phoneid")
1384										+ "#"
1385										+ phoneContact.getString("lookup");
1386								contact.setSystemAccount(systemAccount);
1387								if (contact.setPhotoUri(phoneContact.getString("photouri"))) {
1388									getAvatarService().clear(contact);
1389								}
1390								contact.setSystemName(phoneContact.getString("displayname"));
1391								withSystemAccounts.remove(contact);
1392							}
1393							for (Contact contact : withSystemAccounts) {
1394								contact.setSystemAccount(null);
1395								contact.setSystemName(null);
1396								if (contact.setPhotoUri(null)) {
1397									getAvatarService().clear(contact);
1398								}
1399							}
1400						}
1401						Log.d(Config.LOGTAG, "finished merging phone contacts");
1402						updateAccountUi();
1403					}
1404				});
1405			}
1406		});
1407	}
1408
1409	public List<Conversation> getConversations() {
1410		return this.conversations;
1411	}
1412
1413	private void checkDeletedFiles(Conversation conversation) {
1414		conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
1415
1416			@Override
1417			public void onMessageFound(Message message) {
1418				if (!getFileBackend().isFileAvailable(message)) {
1419					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1420					final int s = message.getStatus();
1421					if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1422						markMessage(message, Message.STATUS_SEND_FAILED);
1423					}
1424				}
1425			}
1426		});
1427	}
1428
1429	private void markFileDeleted(final String path) {
1430		Log.d(Config.LOGTAG,"deleted file "+path);
1431		for (Conversation conversation : getConversations()) {
1432			conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
1433				@Override
1434				public void onMessageFound(Message message) {
1435					DownloadableFile file = fileBackend.getFile(message);
1436					if (file.getAbsolutePath().equals(path)) {
1437						if (!file.exists()) {
1438							message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1439							final int s = message.getStatus();
1440							if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1441								markMessage(message, Message.STATUS_SEND_FAILED);
1442							} else {
1443								updateConversationUi();
1444							}
1445						} else {
1446							Log.d(Config.LOGTAG,"found matching message for file "+path+" but file still exists");
1447						}
1448					}
1449				}
1450			});
1451		}
1452	}
1453
1454	public void populateWithOrderedConversations(final List<Conversation> list) {
1455		populateWithOrderedConversations(list, true);
1456	}
1457
1458	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1459		list.clear();
1460		if (includeNoFileUpload) {
1461			list.addAll(getConversations());
1462		} else {
1463			for (Conversation conversation : getConversations()) {
1464				if (conversation.getMode() == Conversation.MODE_SINGLE
1465						|| conversation.getAccount().httpUploadAvailable()) {
1466					list.add(conversation);
1467				}
1468			}
1469		}
1470		try {
1471			Collections.sort(list);
1472		} catch (IllegalArgumentException e) {
1473			//ignore
1474		}
1475	}
1476
1477	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1478		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1479			return;
1480		} else if (timestamp == 0) {
1481			return;
1482		}
1483		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1484		Runnable runnable = new Runnable() {
1485			@Override
1486			public void run() {
1487				final Account account = conversation.getAccount();
1488				List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1489				if (messages.size() > 0) {
1490					conversation.addAll(0, messages);
1491					checkDeletedFiles(conversation);
1492					callback.onMoreMessagesLoaded(messages.size(), conversation);
1493				} else if (conversation.hasMessagesLeftOnServer()
1494						&& account.isOnlineAndConnected()
1495						&& conversation.getLastClearHistory() == 0) {
1496					if ((conversation.getMode() == Conversation.MODE_SINGLE && account.getXmppConnection().getFeatures().mam())
1497							|| (conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().mamSupport())) {
1498						MessageArchiveService.Query query = getMessageArchiveService().query(conversation, 0, timestamp);
1499						if (query != null) {
1500							query.setCallback(callback);
1501						}
1502						callback.informUser(R.string.fetching_history_from_server);
1503					}
1504				}
1505			}
1506		};
1507		mDatabaseExecutor.execute(runnable);
1508	}
1509
1510	public List<Account> getAccounts() {
1511		return this.accounts;
1512	}
1513
1514	public List<Conversation> findAllConferencesWith(Contact contact) {
1515		ArrayList<Conversation> results = new ArrayList<>();
1516		for(Conversation conversation : conversations) {
1517			if (conversation.getMode() == Conversation.MODE_MULTI
1518					&& conversation.getMucOptions().isContactInRoom(contact)) {
1519				results.add(conversation);
1520			}
1521		}
1522		return results;
1523	}
1524
1525	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1526		for (final Conversation conversation : haystack) {
1527			if (conversation.getContact() == contact) {
1528				return conversation;
1529			}
1530		}
1531		return null;
1532	}
1533
1534	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1535		if (jid == null) {
1536			return null;
1537		}
1538		for (final Conversation conversation : haystack) {
1539			if ((account == null || conversation.getAccount() == account)
1540					&& (conversation.getJid().toBareJid().equals(jid.toBareJid()))) {
1541				return conversation;
1542			}
1543		}
1544		return null;
1545	}
1546
1547	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc) {
1548		return this.findOrCreateConversation(account, jid, muc, null);
1549	}
1550
1551	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final MessageArchiveService.Query query) {
1552		synchronized (this.conversations) {
1553			Conversation conversation = find(account, jid);
1554			if (conversation != null) {
1555				return conversation;
1556			}
1557			conversation = databaseBackend.findConversation(account, jid);
1558			if (conversation != null) {
1559				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1560				conversation.setAccount(account);
1561				if (muc) {
1562					conversation.setMode(Conversation.MODE_MULTI);
1563					conversation.setContactJid(jid);
1564				} else {
1565					conversation.setMode(Conversation.MODE_SINGLE);
1566					conversation.setContactJid(jid.toBareJid());
1567				}
1568				conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1569				this.databaseBackend.updateConversation(conversation);
1570			} else {
1571				String conversationName;
1572				Contact contact = account.getRoster().getContact(jid);
1573				if (contact != null) {
1574					conversationName = contact.getDisplayName();
1575				} else {
1576					conversationName = jid.getLocalpart();
1577				}
1578				if (muc) {
1579					conversation = new Conversation(conversationName, account, jid,
1580							Conversation.MODE_MULTI);
1581				} else {
1582					conversation = new Conversation(conversationName, account, jid.toBareJid(),
1583							Conversation.MODE_SINGLE);
1584				}
1585				this.databaseBackend.createConversation(conversation);
1586			}
1587			if (account.getXmppConnection() != null
1588					&& account.getXmppConnection().getFeatures().mam()
1589					&& !muc) {
1590				if (query == null) {
1591					this.mMessageArchiveService.query(conversation);
1592				} else {
1593					if (query.getConversation() == null) {
1594						this.mMessageArchiveService.query(conversation, query.getStart());
1595					}
1596				}
1597			}
1598			checkDeletedFiles(conversation);
1599			this.conversations.add(conversation);
1600			updateConversationUi();
1601			return conversation;
1602		}
1603	}
1604
1605	public void archiveConversation(Conversation conversation) {
1606		getNotificationService().clear(conversation);
1607		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1608		synchronized (this.conversations) {
1609			if (conversation.getMode() == Conversation.MODE_MULTI) {
1610				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1611					Bookmark bookmark = conversation.getBookmark();
1612					if (bookmark != null && bookmark.autojoin() && respectAutojoin()) {
1613						bookmark.setAutojoin(false);
1614						pushBookmarks(bookmark.getAccount());
1615					}
1616				}
1617				leaveMuc(conversation);
1618			} else {
1619				conversation.endOtrIfNeeded();
1620				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1621					Log.d(Config.LOGTAG, "Canceling presence request from " + conversation.getJid().toString());
1622					sendPresencePacket(
1623							conversation.getAccount(),
1624							mPresenceGenerator.stopPresenceUpdatesTo(conversation.getContact())
1625					);
1626				}
1627			}
1628			updateConversation(conversation);
1629			this.conversations.remove(conversation);
1630			updateConversationUi();
1631		}
1632	}
1633
1634	public void createAccount(final Account account) {
1635		account.initAccountServices(this);
1636		databaseBackend.createAccount(account);
1637		this.accounts.add(account);
1638		this.reconnectAccountInBackground(account);
1639		updateAccountUi();
1640	}
1641
1642	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
1643		new Thread(new Runnable() {
1644			@Override
1645			public void run() {
1646				try {
1647					X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1648					Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1649					if (findAccountByJid(info.first) == null) {
1650						Account account = new Account(info.first, "");
1651						account.setPrivateKeyAlias(alias);
1652						account.setOption(Account.OPTION_DISABLED, true);
1653						account.setDisplayName(info.second);
1654						createAccount(account);
1655						callback.onAccountCreated(account);
1656						if (Config.X509_VERIFICATION) {
1657							try {
1658								getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1659							} catch (CertificateException e) {
1660								callback.informUser(R.string.certificate_chain_is_not_trusted);
1661							}
1662						}
1663					} else {
1664						callback.informUser(R.string.account_already_exists);
1665					}
1666				} catch (Exception e) {
1667					e.printStackTrace();
1668					callback.informUser(R.string.unable_to_parse_certificate);
1669				}
1670			}
1671		}).start();
1672
1673	}
1674
1675	public void updateKeyInAccount(final Account account, final String alias) {
1676		Log.d(Config.LOGTAG, "update key in account " + alias);
1677		try {
1678			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1679			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1680			if (account.getJid().toBareJid().equals(info.first)) {
1681				account.setPrivateKeyAlias(alias);
1682				account.setDisplayName(info.second);
1683				databaseBackend.updateAccount(account);
1684				if (Config.X509_VERIFICATION) {
1685					try {
1686						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1687					} catch (CertificateException e) {
1688						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
1689					}
1690					account.getAxolotlService().regenerateKeys(true);
1691				}
1692			} else {
1693				showErrorToastInUi(R.string.jid_does_not_match_certificate);
1694			}
1695		} catch (Exception e) {
1696			e.printStackTrace();
1697		}
1698	}
1699
1700	public boolean updateAccount(final Account account) {
1701		if (databaseBackend.updateAccount(account)) {
1702			account.setShowErrorNotification(true);
1703			this.statusListener.onStatusChanged(account);
1704			databaseBackend.updateAccount(account);
1705			reconnectAccountInBackground(account);
1706			updateAccountUi();
1707			getNotificationService().updateErrorNotification();
1708			return true;
1709		} else {
1710			return false;
1711		}
1712	}
1713
1714	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1715		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1716		sendIqPacket(account, iq, new OnIqPacketReceived() {
1717			@Override
1718			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1719				if (packet.getType() == IqPacket.TYPE.RESULT) {
1720					account.setPassword(newPassword);
1721					account.setOption(Account.OPTION_MAGIC_CREATE, false);
1722					databaseBackend.updateAccount(account);
1723					callback.onPasswordChangeSucceeded();
1724				} else {
1725					callback.onPasswordChangeFailed();
1726				}
1727			}
1728		});
1729	}
1730
1731	public void deleteAccount(final Account account) {
1732		synchronized (this.conversations) {
1733			for (final Conversation conversation : conversations) {
1734				if (conversation.getAccount() == account) {
1735					if (conversation.getMode() == Conversation.MODE_MULTI) {
1736						leaveMuc(conversation);
1737					} else if (conversation.getMode() == Conversation.MODE_SINGLE) {
1738						conversation.endOtrIfNeeded();
1739					}
1740					conversations.remove(conversation);
1741				}
1742			}
1743			if (account.getXmppConnection() != null) {
1744				new Thread(new Runnable() {
1745					@Override
1746					public void run() {
1747						disconnect(account, true);
1748					}
1749				}).start();
1750			}
1751			Runnable runnable = new Runnable() {
1752				@Override
1753				public void run() {
1754					if (!databaseBackend.deleteAccount(account)) {
1755						Log.d(Config.LOGTAG,account.getJid().toBareJid()+": unable to delete account");
1756					}
1757				}
1758			};
1759			mDatabaseExecutor.execute(runnable);
1760			this.accounts.remove(account);
1761			updateAccountUi();
1762			getNotificationService().updateErrorNotification();
1763		}
1764	}
1765
1766	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
1767		synchronized (this) {
1768			this.mLastActivity = System.currentTimeMillis();
1769			if (checkListeners()) {
1770				switchToForeground();
1771			}
1772			this.mOnConversationUpdate = listener;
1773			this.mNotificationService.setIsInForeground(true);
1774			if (this.convChangedListenerCount < 2) {
1775				this.convChangedListenerCount++;
1776			}
1777		}
1778	}
1779
1780	public void removeOnConversationListChangedListener() {
1781		synchronized (this) {
1782			this.convChangedListenerCount--;
1783			if (this.convChangedListenerCount <= 0) {
1784				this.convChangedListenerCount = 0;
1785				this.mOnConversationUpdate = null;
1786				this.mNotificationService.setIsInForeground(false);
1787				if (checkListeners()) {
1788					switchToBackground();
1789				}
1790			}
1791		}
1792	}
1793
1794	public void setOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
1795		synchronized (this) {
1796			if (checkListeners()) {
1797				switchToForeground();
1798			}
1799			this.mOnShowErrorToast = onShowErrorToast;
1800			if (this.showErrorToastListenerCount < 2) {
1801				this.showErrorToastListenerCount++;
1802			}
1803		}
1804		this.mOnShowErrorToast = onShowErrorToast;
1805	}
1806
1807	public void removeOnShowErrorToastListener() {
1808		synchronized (this) {
1809			this.showErrorToastListenerCount--;
1810			if (this.showErrorToastListenerCount <= 0) {
1811				this.showErrorToastListenerCount = 0;
1812				this.mOnShowErrorToast = null;
1813				if (checkListeners()) {
1814					switchToBackground();
1815				}
1816			}
1817		}
1818	}
1819
1820	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
1821		synchronized (this) {
1822			if (checkListeners()) {
1823				switchToForeground();
1824			}
1825			this.mOnAccountUpdate = listener;
1826			if (this.accountChangedListenerCount < 2) {
1827				this.accountChangedListenerCount++;
1828			}
1829		}
1830	}
1831
1832	public void removeOnAccountListChangedListener() {
1833		synchronized (this) {
1834			this.accountChangedListenerCount--;
1835			if (this.accountChangedListenerCount <= 0) {
1836				this.mOnAccountUpdate = null;
1837				this.accountChangedListenerCount = 0;
1838				if (checkListeners()) {
1839					switchToBackground();
1840				}
1841			}
1842		}
1843	}
1844
1845	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
1846		synchronized (this) {
1847			if (checkListeners()) {
1848				switchToForeground();
1849			}
1850			this.mOnCaptchaRequested = listener;
1851			if (this.captchaRequestedListenerCount < 2) {
1852				this.captchaRequestedListenerCount++;
1853			}
1854		}
1855	}
1856
1857	public void removeOnCaptchaRequestedListener() {
1858		synchronized (this) {
1859			this.captchaRequestedListenerCount--;
1860			if (this.captchaRequestedListenerCount <= 0) {
1861				this.mOnCaptchaRequested = null;
1862				this.captchaRequestedListenerCount = 0;
1863				if (checkListeners()) {
1864					switchToBackground();
1865				}
1866			}
1867		}
1868	}
1869
1870	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
1871		synchronized (this) {
1872			if (checkListeners()) {
1873				switchToForeground();
1874			}
1875			this.mOnRosterUpdate = listener;
1876			if (this.rosterChangedListenerCount < 2) {
1877				this.rosterChangedListenerCount++;
1878			}
1879		}
1880	}
1881
1882	public void removeOnRosterUpdateListener() {
1883		synchronized (this) {
1884			this.rosterChangedListenerCount--;
1885			if (this.rosterChangedListenerCount <= 0) {
1886				this.rosterChangedListenerCount = 0;
1887				this.mOnRosterUpdate = null;
1888				if (checkListeners()) {
1889					switchToBackground();
1890				}
1891			}
1892		}
1893	}
1894
1895	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
1896		synchronized (this) {
1897			if (checkListeners()) {
1898				switchToForeground();
1899			}
1900			this.mOnUpdateBlocklist = listener;
1901			if (this.updateBlocklistListenerCount < 2) {
1902				this.updateBlocklistListenerCount++;
1903			}
1904		}
1905	}
1906
1907	public void removeOnUpdateBlocklistListener() {
1908		synchronized (this) {
1909			this.updateBlocklistListenerCount--;
1910			if (this.updateBlocklistListenerCount <= 0) {
1911				this.updateBlocklistListenerCount = 0;
1912				this.mOnUpdateBlocklist = null;
1913				if (checkListeners()) {
1914					switchToBackground();
1915				}
1916			}
1917		}
1918	}
1919
1920	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
1921		synchronized (this) {
1922			if (checkListeners()) {
1923				switchToForeground();
1924			}
1925			this.mOnKeyStatusUpdated = listener;
1926			if (this.keyStatusUpdatedListenerCount < 2) {
1927				this.keyStatusUpdatedListenerCount++;
1928			}
1929		}
1930	}
1931
1932	public void removeOnNewKeysAvailableListener() {
1933		synchronized (this) {
1934			this.keyStatusUpdatedListenerCount--;
1935			if (this.keyStatusUpdatedListenerCount <= 0) {
1936				this.keyStatusUpdatedListenerCount = 0;
1937				this.mOnKeyStatusUpdated = null;
1938				if (checkListeners()) {
1939					switchToBackground();
1940				}
1941			}
1942		}
1943	}
1944
1945	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
1946		synchronized (this) {
1947			if (checkListeners()) {
1948				switchToForeground();
1949			}
1950			this.mOnMucRosterUpdate = listener;
1951			if (this.mucRosterChangedListenerCount < 2) {
1952				this.mucRosterChangedListenerCount++;
1953			}
1954		}
1955	}
1956
1957	public void removeOnMucRosterUpdateListener() {
1958		synchronized (this) {
1959			this.mucRosterChangedListenerCount--;
1960			if (this.mucRosterChangedListenerCount <= 0) {
1961				this.mucRosterChangedListenerCount = 0;
1962				this.mOnMucRosterUpdate = null;
1963				if (checkListeners()) {
1964					switchToBackground();
1965				}
1966			}
1967		}
1968	}
1969
1970	public boolean checkListeners() {
1971		return (this.mOnAccountUpdate == null
1972				&& this.mOnConversationUpdate == null
1973				&& this.mOnRosterUpdate == null
1974				&& this.mOnCaptchaRequested == null
1975				&& this.mOnUpdateBlocklist == null
1976				&& this.mOnShowErrorToast == null
1977				&& this.mOnKeyStatusUpdated == null);
1978	}
1979
1980	private void switchToForeground() {
1981		final boolean broadcastLastActivity = broadcastLastActivity();
1982		for (Conversation conversation : getConversations()) {
1983			conversation.setIncomingChatState(ChatState.ACTIVE);
1984		}
1985		for (Account account : getAccounts()) {
1986			if (account.getStatus() == Account.State.ONLINE) {
1987				account.deactivateGracePeriod();
1988				final XmppConnection connection = account.getXmppConnection();
1989				if (connection != null ) {
1990					if (connection.getFeatures().csi()) {
1991						connection.sendActive();
1992					}
1993					if (broadcastLastActivity) {
1994						sendPresence(account, false); //send new presence but don't include idle because we are not
1995					}
1996				}
1997			}
1998		}
1999		Log.d(Config.LOGTAG, "app switched into foreground");
2000	}
2001
2002	private void switchToBackground() {
2003		final boolean broadcastLastActivity = broadcastLastActivity();
2004		for (Account account : getAccounts()) {
2005			if (account.getStatus() == Account.State.ONLINE) {
2006				XmppConnection connection = account.getXmppConnection();
2007				if (connection != null) {
2008					if (broadcastLastActivity) {
2009						sendPresence(account, broadcastLastActivity);
2010					}
2011					if (connection.getFeatures().csi()) {
2012						connection.sendInactive();
2013					}
2014					if (Config.PUSH_MODE && mPushManagementService.available(account)) {
2015						connection.waitForPush();
2016						cancelWakeUpCall(account.getUuid().hashCode());
2017					}
2018				}
2019			}
2020		}
2021		this.mNotificationService.setIsInForeground(false);
2022		Log.d(Config.LOGTAG, "app switched into background");
2023	}
2024
2025	private void connectMultiModeConversations(Account account) {
2026		List<Conversation> conversations = getConversations();
2027		for (Conversation conversation : conversations) {
2028			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2029				joinMuc(conversation);
2030			}
2031		}
2032	}
2033
2034	public void joinMuc(Conversation conversation) {
2035		joinMuc(conversation, null);
2036	}
2037
2038	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2039		Account account = conversation.getAccount();
2040		account.pendingConferenceJoins.remove(conversation);
2041		account.pendingConferenceLeaves.remove(conversation);
2042		if (account.getStatus() == Account.State.ONLINE) {
2043			conversation.resetMucOptions();
2044			if (onConferenceJoined != null) {
2045				conversation.getMucOptions().flagNoAutoPushConfiguration();
2046			}
2047			conversation.setHasMessagesLeftOnServer(false);
2048			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2049
2050				private void join(Conversation conversation) {
2051					Account account = conversation.getAccount();
2052					final MucOptions mucOptions = conversation.getMucOptions();
2053					final Jid joinJid = mucOptions.getSelf().getFullJid();
2054					Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": joining conversation " + joinJid.toString());
2055					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
2056					packet.setTo(joinJid);
2057					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2058					if (conversation.getMucOptions().getPassword() != null) {
2059						x.addChild("password").setContent(mucOptions.getPassword());
2060					}
2061
2062					if (mucOptions.mamSupport()) {
2063						// Use MAM instead of the limited muc history to get history
2064						x.addChild("history").setAttribute("maxchars", "0");
2065					} else {
2066						// Fallback to muc history
2067						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted()));
2068					}
2069					sendPresencePacket(account, packet);
2070					if (onConferenceJoined != null) {
2071						onConferenceJoined.onConferenceJoined(conversation);
2072					}
2073					if (!joinJid.equals(conversation.getJid())) {
2074						conversation.setContactJid(joinJid);
2075						databaseBackend.updateConversation(conversation);
2076					}
2077
2078					if (mucOptions.mamSupport()) {
2079						getMessageArchiveService().catchupMUC(conversation);
2080					}
2081					if (mucOptions.membersOnly() && mucOptions.nonanonymous()) {
2082						fetchConferenceMembers(conversation);
2083					}
2084					sendUnsentMessages(conversation);
2085				}
2086
2087				@Override
2088				public void onConferenceConfigurationFetched(Conversation conversation) {
2089					join(conversation);
2090				}
2091
2092				@Override
2093				public void onFetchFailed(final Conversation conversation, Element error) {
2094					if (error != null && "remote-server-not-found".equals(error.getName())) {
2095						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2096					} else {
2097						join(conversation);
2098						fetchConferenceConfiguration(conversation);
2099					}
2100				}
2101			});
2102			updateConversationUi();
2103		} else {
2104			account.pendingConferenceJoins.add(conversation);
2105			conversation.resetMucOptions();
2106			conversation.setHasMessagesLeftOnServer(false);
2107			updateConversationUi();
2108		}
2109	}
2110
2111	private void fetchConferenceMembers(final Conversation conversation) {
2112		final Account account = conversation.getAccount();
2113		final String[] affiliations = {"member","admin","owner"};
2114		OnIqPacketReceived callback = new OnIqPacketReceived() {
2115
2116			private int i = 0;
2117
2118			@Override
2119			public void onIqPacketReceived(Account account, IqPacket packet) {
2120
2121				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2122				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2123					for(Element child : query.getChildren()) {
2124						if ("item".equals(child.getName())) {
2125							MucOptions.User user = AbstractParser.parseItem(conversation,child);
2126							if (!user.realJidMatchesAccount()) {
2127								conversation.getMucOptions().addUser(user);
2128								getAvatarService().clear(conversation);
2129								updateMucRosterUi();
2130								updateConversationUi();
2131							}
2132						}
2133					}
2134				} else {
2135					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could not request affiliation "+affiliations[i]+" in "+conversation.getJid().toBareJid());
2136				}
2137				++i;
2138				if (i >= affiliations.length) {
2139					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": retrieved members for "+conversation.getJid().toBareJid()+": "+conversation.getMucOptions().getMembers());
2140				}
2141			}
2142		};
2143		for(String affiliation : affiliations) {
2144			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2145		}
2146		Log.d(Config.LOGTAG,account.getJid().toBareJid()+": fetching members for "+conversation.getName());
2147	}
2148
2149	public void providePasswordForMuc(Conversation conversation, String password) {
2150		if (conversation.getMode() == Conversation.MODE_MULTI) {
2151			conversation.getMucOptions().setPassword(password);
2152			if (conversation.getBookmark() != null) {
2153				if (respectAutojoin()) {
2154					conversation.getBookmark().setAutojoin(true);
2155				}
2156				pushBookmarks(conversation.getAccount());
2157			}
2158			updateConversation(conversation);
2159			joinMuc(conversation);
2160		}
2161	}
2162
2163	public void renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2164		final MucOptions options = conversation.getMucOptions();
2165		final Jid joinJid = options.createJoinJid(nick);
2166		if (options.online()) {
2167			Account account = conversation.getAccount();
2168			options.setOnRenameListener(new OnRenameListener() {
2169
2170				@Override
2171				public void onSuccess() {
2172					conversation.setContactJid(joinJid);
2173					databaseBackend.updateConversation(conversation);
2174					Bookmark bookmark = conversation.getBookmark();
2175					if (bookmark != null) {
2176						bookmark.setNick(nick);
2177						pushBookmarks(bookmark.getAccount());
2178					}
2179					callback.success(conversation);
2180				}
2181
2182				@Override
2183				public void onFailure() {
2184					callback.error(R.string.nick_in_use, conversation);
2185				}
2186			});
2187
2188			PresencePacket packet = new PresencePacket();
2189			packet.setTo(joinJid);
2190			packet.setFrom(conversation.getAccount().getJid());
2191
2192			String sig = account.getPgpSignature();
2193			if (sig != null) {
2194				packet.addChild("status").setContent("online");
2195				packet.addChild("x", "jabber:x:signed").setContent(sig);
2196			}
2197			sendPresencePacket(account, packet);
2198		} else {
2199			conversation.setContactJid(joinJid);
2200			databaseBackend.updateConversation(conversation);
2201			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2202				Bookmark bookmark = conversation.getBookmark();
2203				if (bookmark != null) {
2204					bookmark.setNick(nick);
2205					pushBookmarks(bookmark.getAccount());
2206				}
2207				joinMuc(conversation);
2208			}
2209		}
2210	}
2211
2212	public void leaveMuc(Conversation conversation) {
2213		leaveMuc(conversation, false);
2214	}
2215
2216	private void leaveMuc(Conversation conversation, boolean now) {
2217		Account account = conversation.getAccount();
2218		account.pendingConferenceJoins.remove(conversation);
2219		account.pendingConferenceLeaves.remove(conversation);
2220		if (account.getStatus() == Account.State.ONLINE || now) {
2221			PresencePacket packet = new PresencePacket();
2222			packet.setTo(conversation.getMucOptions().getSelf().getFullJid());
2223			packet.setFrom(conversation.getAccount().getJid());
2224			packet.setAttribute("type", "unavailable");
2225			sendPresencePacket(conversation.getAccount(), packet);
2226			conversation.getMucOptions().setOffline();
2227			conversation.deregisterWithBookmark();
2228			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid()
2229					+ ": leaving muc " + conversation.getJid());
2230		} else {
2231			account.pendingConferenceLeaves.add(conversation);
2232		}
2233	}
2234
2235	private String findConferenceServer(final Account account) {
2236		String server;
2237		if (account.getXmppConnection() != null) {
2238			server = account.getXmppConnection().getMucServer();
2239			if (server != null) {
2240				return server;
2241			}
2242		}
2243		for (Account other : getAccounts()) {
2244			if (other != account && other.getXmppConnection() != null) {
2245				server = other.getXmppConnection().getMucServer();
2246				if (server != null) {
2247					return server;
2248				}
2249			}
2250		}
2251		return null;
2252	}
2253
2254	public void createAdhocConference(final Account account,
2255									  final String subject,
2256									  final Iterable<Jid> jids,
2257									  final UiCallback<Conversation> callback) {
2258		Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2259		if (account.getStatus() == Account.State.ONLINE) {
2260			try {
2261				String server = findConferenceServer(account);
2262				if (server == null) {
2263					if (callback != null) {
2264						callback.error(R.string.no_conference_server_found, null);
2265					}
2266					return;
2267				}
2268				final Jid jid = Jid.fromParts(new BigInteger(64, getRNG()).toString(Character.MAX_RADIX), server, null);
2269				final Conversation conversation = findOrCreateConversation(account, jid, true);
2270				joinMuc(conversation, new OnConferenceJoined() {
2271					@Override
2272					public void onConferenceJoined(final Conversation conversation) {
2273						pushConferenceConfiguration(conversation, IqGenerator.defaultRoomConfiguration(), new OnConferenceOptionsPushed() {
2274							@Override
2275							public void onPushSucceeded() {
2276								if (subject != null && !subject.trim().isEmpty()) {
2277									pushSubjectToConference(conversation, subject.trim());
2278								}
2279								for (Jid invite : jids) {
2280									invite(conversation, invite);
2281								}
2282								if (account.countPresences() > 1) {
2283									directInvite(conversation, account.getJid().toBareJid());
2284								}
2285								saveConversationAsBookmark(conversation, subject);
2286								if (callback != null) {
2287									callback.success(conversation);
2288								}
2289							}
2290
2291							@Override
2292							public void onPushFailed() {
2293								archiveConversation(conversation);
2294								if (callback != null) {
2295									callback.error(R.string.conference_creation_failed, conversation);
2296								}
2297							}
2298						});
2299					}
2300				});
2301			} catch (InvalidJidException e) {
2302				if (callback != null) {
2303					callback.error(R.string.conference_creation_failed, null);
2304				}
2305			}
2306		} else {
2307			if (callback != null) {
2308				callback.error(R.string.not_connected_try_again, null);
2309			}
2310		}
2311	}
2312
2313	public void fetchConferenceConfiguration(final Conversation conversation) {
2314		fetchConferenceConfiguration(conversation, null);
2315	}
2316
2317	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
2318		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2319		request.setTo(conversation.getJid().toBareJid());
2320		request.query("http://jabber.org/protocol/disco#info");
2321		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2322			@Override
2323			public void onIqPacketReceived(Account account, IqPacket packet) {
2324				Element query = packet.findChild("query","http://jabber.org/protocol/disco#info");
2325				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2326					ArrayList<String> features = new ArrayList<>();
2327					for (Element child : query.getChildren()) {
2328						if (child != null && child.getName().equals("feature")) {
2329							String var = child.getAttribute("var");
2330							if (var != null) {
2331								features.add(var);
2332							}
2333						}
2334					}
2335					Element form = query.findChild("x", "jabber:x:data");
2336					if (form != null) {
2337						conversation.getMucOptions().updateFormData(Data.parse(form));
2338					}
2339					conversation.getMucOptions().updateFeatures(features);
2340					if (callback != null) {
2341						callback.onConferenceConfigurationFetched(conversation);
2342					}
2343					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": fetched muc configuration for "+conversation.getJid().toBareJid()+" - "+features.toString());
2344					updateConversationUi();
2345				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
2346					if (callback != null) {
2347						callback.onFetchFailed(conversation, packet.getError());
2348					}
2349				}
2350			}
2351		});
2352	}
2353
2354	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConferenceOptionsPushed callback) {
2355		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2356		request.setTo(conversation.getJid().toBareJid());
2357		request.query("http://jabber.org/protocol/muc#owner");
2358		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2359			@Override
2360			public void onIqPacketReceived(Account account, IqPacket packet) {
2361				if (packet.getType() == IqPacket.TYPE.RESULT) {
2362					Data data = Data.parse(packet.query().findChild("x", "jabber:x:data"));
2363					for (Field field : data.getFields()) {
2364						if (options.containsKey(field.getFieldName())) {
2365							field.setValue(options.getString(field.getFieldName()));
2366						}
2367					}
2368					data.submit();
2369					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
2370					set.setTo(conversation.getJid().toBareJid());
2371					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
2372					sendIqPacket(account, set, new OnIqPacketReceived() {
2373						@Override
2374						public void onIqPacketReceived(Account account, IqPacket packet) {
2375							if (callback != null) {
2376								if (packet.getType() == IqPacket.TYPE.RESULT) {
2377									callback.onPushSucceeded();
2378								} else {
2379									callback.onPushFailed();
2380								}
2381							}
2382						}
2383					});
2384				} else {
2385					if (callback != null) {
2386						callback.onPushFailed();
2387					}
2388				}
2389			}
2390		});
2391	}
2392
2393	public void pushSubjectToConference(final Conversation conference, final String subject) {
2394		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, subject);
2395		this.sendMessagePacket(conference.getAccount(), packet);
2396		final MucOptions mucOptions = conference.getMucOptions();
2397		final MucOptions.User self = mucOptions.getSelf();
2398		if (!mucOptions.persistent() && self.getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
2399			Bundle options = new Bundle();
2400			options.putString("muc#roomconfig_persistentroom", "1");
2401			this.pushConferenceConfiguration(conference, options, null);
2402		}
2403	}
2404
2405	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
2406		final Jid jid = user.toBareJid();
2407		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
2408		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2409			@Override
2410			public void onIqPacketReceived(Account account, IqPacket packet) {
2411				if (packet.getType() == IqPacket.TYPE.RESULT) {
2412					conference.getMucOptions().changeAffiliation(jid, affiliation);
2413					getAvatarService().clear(conference);
2414					callback.onAffiliationChangedSuccessful(jid);
2415				} else {
2416					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
2417				}
2418			}
2419		});
2420	}
2421
2422	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
2423		List<Jid> jids = new ArrayList<>();
2424		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
2425			if (user.getAffiliation() == before && user.getRealJid() != null) {
2426				jids.add(user.getRealJid());
2427			}
2428		}
2429		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
2430		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
2431	}
2432
2433	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
2434		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
2435		Log.d(Config.LOGTAG, request.toString());
2436		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2437			@Override
2438			public void onIqPacketReceived(Account account, IqPacket packet) {
2439				Log.d(Config.LOGTAG, packet.toString());
2440				if (packet.getType() == IqPacket.TYPE.RESULT) {
2441					callback.onRoleChangedSuccessful(nick);
2442				} else {
2443					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
2444				}
2445			}
2446		});
2447	}
2448
2449	private void disconnect(Account account, boolean force) {
2450		if ((account.getStatus() == Account.State.ONLINE)
2451				|| (account.getStatus() == Account.State.DISABLED)) {
2452			final XmppConnection connection = account.getXmppConnection();
2453			if (!force) {
2454				List<Conversation> conversations = getConversations();
2455				for (Conversation conversation : conversations) {
2456					if (conversation.getAccount() == account) {
2457						if (conversation.getMode() == Conversation.MODE_MULTI) {
2458							leaveMuc(conversation, true);
2459						} else {
2460							if (conversation.endOtrIfNeeded()) {
2461								Log.d(Config.LOGTAG, account.getJid().toBareJid()
2462										+ ": ended otr session with "
2463										+ conversation.getJid());
2464							}
2465						}
2466					}
2467				}
2468				sendOfflinePresence(account);
2469			}
2470			connection.disconnect(force);
2471		}
2472	}
2473
2474	@Override
2475	public IBinder onBind(Intent intent) {
2476		return mBinder;
2477	}
2478
2479	public void updateMessage(Message message) {
2480		databaseBackend.updateMessage(message);
2481		updateConversationUi();
2482	}
2483
2484	public void updateMessage(Message message, String uuid) {
2485		databaseBackend.updateMessage(message, uuid);
2486		updateConversationUi();
2487	}
2488
2489	protected void syncDirtyContacts(Account account) {
2490		for (Contact contact : account.getRoster().getContacts()) {
2491			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
2492				pushContactToServer(contact);
2493			}
2494			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
2495				deleteContactOnServer(contact);
2496			}
2497		}
2498	}
2499
2500	public void createContact(Contact contact) {
2501		boolean autoGrant = getPreferences().getBoolean("grant_new_contacts", true);
2502		if (autoGrant) {
2503			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
2504			contact.setOption(Contact.Options.ASKING);
2505		}
2506		pushContactToServer(contact);
2507	}
2508
2509	public void onOtrSessionEstablished(Conversation conversation) {
2510		final Account account = conversation.getAccount();
2511		final Session otrSession = conversation.getOtrSession();
2512		Log.d(Config.LOGTAG,
2513				account.getJid().toBareJid() + " otr session established with "
2514						+ conversation.getJid() + "/"
2515						+ otrSession.getSessionID().getUserID());
2516		conversation.findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR, new Conversation.OnMessageFound() {
2517
2518			@Override
2519			public void onMessageFound(Message message) {
2520				SessionID id = otrSession.getSessionID();
2521				try {
2522					message.setCounterpart(Jid.fromString(id.getAccountID() + "/" + id.getUserID()));
2523				} catch (InvalidJidException e) {
2524					return;
2525				}
2526				if (message.needsUploading()) {
2527					mJingleConnectionManager.createNewConnection(message);
2528				} else {
2529					MessagePacket outPacket = mMessageGenerator.generateOtrChat(message);
2530					if (outPacket != null) {
2531						mMessageGenerator.addDelay(outPacket, message.getTimeSent());
2532						message.setStatus(Message.STATUS_SEND);
2533						databaseBackend.updateMessage(message);
2534						sendMessagePacket(account, outPacket);
2535					}
2536				}
2537				updateConversationUi();
2538			}
2539		});
2540	}
2541
2542	public boolean renewSymmetricKey(Conversation conversation) {
2543		Account account = conversation.getAccount();
2544		byte[] symmetricKey = new byte[32];
2545		this.mRandom.nextBytes(symmetricKey);
2546		Session otrSession = conversation.getOtrSession();
2547		if (otrSession != null) {
2548			MessagePacket packet = new MessagePacket();
2549			packet.setType(MessagePacket.TYPE_CHAT);
2550			packet.setFrom(account.getJid());
2551			MessageGenerator.addMessageHints(packet);
2552			packet.setAttribute("to", otrSession.getSessionID().getAccountID() + "/"
2553					+ otrSession.getSessionID().getUserID());
2554			try {
2555				packet.setBody(otrSession
2556						.transformSending(CryptoHelper.FILETRANSFER
2557								+ CryptoHelper.bytesToHex(symmetricKey))[0]);
2558				sendMessagePacket(account, packet);
2559				conversation.setSymmetricKey(symmetricKey);
2560				return true;
2561			} catch (OtrException e) {
2562				return false;
2563			}
2564		}
2565		return false;
2566	}
2567
2568	public void pushContactToServer(final Contact contact) {
2569		contact.resetOption(Contact.Options.DIRTY_DELETE);
2570		contact.setOption(Contact.Options.DIRTY_PUSH);
2571		final Account account = contact.getAccount();
2572		if (account.getStatus() == Account.State.ONLINE) {
2573			final boolean ask = contact.getOption(Contact.Options.ASKING);
2574			final boolean sendUpdates = contact
2575					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
2576					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
2577			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2578			iq.query(Xmlns.ROSTER).addChild(contact.asElement());
2579			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2580			if (sendUpdates) {
2581				sendPresencePacket(account,
2582						mPresenceGenerator.sendPresenceUpdatesTo(contact));
2583			}
2584			if (ask) {
2585				sendPresencePacket(account,
2586						mPresenceGenerator.requestPresenceUpdatesFrom(contact));
2587			}
2588		}
2589	}
2590
2591	public void publishAvatar(Account account, Uri image, UiCallback<Avatar> callback) {
2592		final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2593		final int size = Config.AVATAR_SIZE;
2594		final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2595		if (avatar != null) {
2596			avatar.height = size;
2597			avatar.width = size;
2598			if (format.equals(Bitmap.CompressFormat.WEBP)) {
2599				avatar.type = "image/webp";
2600			} else if (format.equals(Bitmap.CompressFormat.JPEG)) {
2601				avatar.type = "image/jpeg";
2602			} else if (format.equals(Bitmap.CompressFormat.PNG)) {
2603				avatar.type = "image/png";
2604			}
2605			if (!getFileBackend().save(avatar)) {
2606				callback.error(R.string.error_saving_avatar, avatar);
2607				return;
2608			}
2609			publishAvatar(account, avatar, callback);
2610		} else {
2611			callback.error(R.string.error_publish_avatar_converting, null);
2612		}
2613	}
2614
2615	public void publishAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2616		final IqPacket packet = this.mIqGenerator.publishAvatar(avatar);
2617		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2618
2619			@Override
2620			public void onIqPacketReceived(Account account, IqPacket result) {
2621				if (result.getType() == IqPacket.TYPE.RESULT) {
2622					final IqPacket packet = XmppConnectionService.this.mIqGenerator
2623							.publishAvatarMetadata(avatar);
2624					sendIqPacket(account, packet, new OnIqPacketReceived() {
2625						@Override
2626						public void onIqPacketReceived(Account account, IqPacket result) {
2627							if (result.getType() == IqPacket.TYPE.RESULT) {
2628								if (account.setAvatar(avatar.getFilename())) {
2629									getAvatarService().clear(account);
2630									databaseBackend.updateAccount(account);
2631								}
2632								if (callback != null) {
2633									callback.success(avatar);
2634								} else {
2635									Log.d(Config.LOGTAG,account.getJid().toBareJid()+": published avatar");
2636								}
2637							} else {
2638								if (callback != null) {
2639									callback.error(
2640											R.string.error_publish_avatar_server_reject,
2641											avatar);
2642								}
2643							}
2644						}
2645					});
2646				} else {
2647					if (callback != null) {
2648						callback.error(
2649								R.string.error_publish_avatar_server_reject,
2650								avatar);
2651					}
2652				}
2653			}
2654		});
2655	}
2656
2657	public void republishAvatarIfNeeded(Account account) {
2658		if (account.getAxolotlService().isPepBroken()) {
2659			Log.d(Config.LOGTAG,account.getJid().toBareJid()+": skipping republication of avatar because pep is broken");
2660			return;
2661		}
2662		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2663		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2664
2665			private Avatar parseAvatar(IqPacket packet) {
2666				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
2667				if (pubsub != null) {
2668					Element items = pubsub.findChild("items");
2669					if (items != null) {
2670						return Avatar.parseMetadata(items);
2671					}
2672				}
2673				return null;
2674			}
2675
2676			private boolean errorIsItemNotFound(IqPacket packet) {
2677				Element error = packet.findChild("error");
2678				return packet.getType() == IqPacket.TYPE.ERROR
2679						&& error != null
2680						&& error.hasChild("item-not-found");
2681			}
2682
2683			@Override
2684			public void onIqPacketReceived(Account account, IqPacket packet) {
2685				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
2686					Avatar serverAvatar = parseAvatar(packet);
2687					if (serverAvatar == null && account.getAvatar() != null) {
2688						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
2689						if (avatar != null) {
2690							Log.d(Config.LOGTAG,account.getJid().toBareJid()+": avatar on server was null. republishing");
2691							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
2692						} else {
2693							Log.e(Config.LOGTAG, account.getJid().toBareJid()+": error rereading avatar");
2694						}
2695					}
2696				}
2697			}
2698		});
2699	}
2700
2701	public void fetchAvatar(Account account, Avatar avatar) {
2702		fetchAvatar(account, avatar, null);
2703	}
2704
2705	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2706		final String KEY = generateFetchKey(account, avatar);
2707		synchronized (this.mInProgressAvatarFetches) {
2708			if (!this.mInProgressAvatarFetches.contains(KEY)) {
2709				switch (avatar.origin) {
2710					case PEP:
2711						this.mInProgressAvatarFetches.add(KEY);
2712						fetchAvatarPep(account, avatar, callback);
2713						break;
2714					case VCARD:
2715						this.mInProgressAvatarFetches.add(KEY);
2716						fetchAvatarVcard(account, avatar, callback);
2717						break;
2718				}
2719			}
2720		}
2721	}
2722
2723	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2724		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
2725		sendIqPacket(account, packet, new OnIqPacketReceived() {
2726
2727			@Override
2728			public void onIqPacketReceived(Account account, IqPacket result) {
2729				synchronized (mInProgressAvatarFetches) {
2730					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2731				}
2732				final String ERROR = account.getJid().toBareJid()
2733						+ ": fetching avatar for " + avatar.owner + " failed ";
2734				if (result.getType() == IqPacket.TYPE.RESULT) {
2735					avatar.image = mIqParser.avatarData(result);
2736					if (avatar.image != null) {
2737						if (getFileBackend().save(avatar)) {
2738							if (account.getJid().toBareJid().equals(avatar.owner)) {
2739								if (account.setAvatar(avatar.getFilename())) {
2740									databaseBackend.updateAccount(account);
2741								}
2742								getAvatarService().clear(account);
2743								updateConversationUi();
2744								updateAccountUi();
2745							} else {
2746								Contact contact = account.getRoster()
2747										.getContact(avatar.owner);
2748								contact.setAvatar(avatar);
2749								getAvatarService().clear(contact);
2750								updateConversationUi();
2751								updateRosterUi();
2752							}
2753							if (callback != null) {
2754								callback.success(avatar);
2755							}
2756							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2757									+ ": successfully fetched pep avatar for " + avatar.owner);
2758							return;
2759						}
2760					} else {
2761
2762						Log.d(Config.LOGTAG, ERROR + "(parsing error)");
2763					}
2764				} else {
2765					Element error = result.findChild("error");
2766					if (error == null) {
2767						Log.d(Config.LOGTAG, ERROR + "(server error)");
2768					} else {
2769						Log.d(Config.LOGTAG, ERROR + error.toString());
2770					}
2771				}
2772				if (callback != null) {
2773					callback.error(0, null);
2774				}
2775
2776			}
2777		});
2778	}
2779
2780	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2781		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
2782		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2783			@Override
2784			public void onIqPacketReceived(Account account, IqPacket packet) {
2785				synchronized (mInProgressAvatarFetches) {
2786					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2787				}
2788				if (packet.getType() == IqPacket.TYPE.RESULT) {
2789					Element vCard = packet.findChild("vCard", "vcard-temp");
2790					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
2791					String image = photo != null ? photo.findChildContent("BINVAL") : null;
2792					if (image != null) {
2793						avatar.image = image;
2794						if (getFileBackend().save(avatar)) {
2795							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2796									+ ": successfully fetched vCard avatar for " + avatar.owner);
2797							if (avatar.owner.isBareJid()) {
2798								if (account.getJid().toBareJid().equals(avatar.owner) && account.getAvatar() == null) {
2799									Log.d(Config.LOGTAG,account.getJid().toBareJid()+": had no avatar. replacing with vcard");
2800									account.setAvatar(avatar.getFilename());
2801									databaseBackend.updateAccount(account);
2802									getAvatarService().clear(account);
2803									updateAccountUi();
2804								} else {
2805									Contact contact = account.getRoster().getContact(avatar.owner);
2806									contact.setAvatar(avatar);
2807									getAvatarService().clear(contact);
2808									updateRosterUi();
2809								}
2810								updateConversationUi();
2811							} else {
2812								Conversation conversation = find(account, avatar.owner.toBareJid());
2813								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
2814									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
2815									if (user != null) {
2816										if (user.setAvatar(avatar)) {
2817											getAvatarService().clear(user);
2818											updateConversationUi();
2819											updateMucRosterUi();
2820										}
2821									}
2822								}
2823							}
2824						}
2825					}
2826				}
2827			}
2828		});
2829	}
2830
2831	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
2832		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2833		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2834
2835			@Override
2836			public void onIqPacketReceived(Account account, IqPacket packet) {
2837				if (packet.getType() == IqPacket.TYPE.RESULT) {
2838					Element pubsub = packet.findChild("pubsub","http://jabber.org/protocol/pubsub");
2839					if (pubsub != null) {
2840						Element items = pubsub.findChild("items");
2841						if (items != null) {
2842							Avatar avatar = Avatar.parseMetadata(items);
2843							if (avatar != null) {
2844								avatar.owner = account.getJid().toBareJid();
2845								if (fileBackend.isAvatarCached(avatar)) {
2846									if (account.setAvatar(avatar.getFilename())) {
2847										databaseBackend.updateAccount(account);
2848									}
2849									getAvatarService().clear(account);
2850									callback.success(avatar);
2851								} else {
2852									fetchAvatarPep(account, avatar, callback);
2853								}
2854								return;
2855							}
2856						}
2857					}
2858				}
2859				callback.error(0, null);
2860			}
2861		});
2862	}
2863
2864	public void deleteContactOnServer(Contact contact) {
2865		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
2866		contact.resetOption(Contact.Options.DIRTY_PUSH);
2867		contact.setOption(Contact.Options.DIRTY_DELETE);
2868		Account account = contact.getAccount();
2869		if (account.getStatus() == Account.State.ONLINE) {
2870			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2871			Element item = iq.query(Xmlns.ROSTER).addChild("item");
2872			item.setAttribute("jid", contact.getJid().toString());
2873			item.setAttribute("subscription", "remove");
2874			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2875		}
2876	}
2877
2878	public void updateConversation(final Conversation conversation) {
2879		mDatabaseExecutor.execute(new Runnable() {
2880			@Override
2881			public void run() {
2882				databaseBackend.updateConversation(conversation);
2883			}
2884		});
2885	}
2886
2887	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
2888		synchronized (account) {
2889			XmppConnection connection = account.getXmppConnection();
2890			if (connection == null) {
2891				connection = createConnection(account);
2892				account.setXmppConnection(connection);
2893			} else {
2894				connection.interrupt();
2895			}
2896			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2897				if (!force) {
2898					disconnect(account, false);
2899				}
2900				Thread thread = new Thread(connection);
2901				connection.setInteractive(interactive);
2902				connection.prepareNewConnection();
2903				thread.start();
2904				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
2905			} else {
2906				disconnect(account, force);
2907				account.getRoster().clearPresences();
2908				connection.resetEverything();
2909				account.getAxolotlService().resetBrokenness();
2910			}
2911		}
2912	}
2913
2914	public void reconnectAccountInBackground(final Account account) {
2915		new Thread(new Runnable() {
2916			@Override
2917			public void run() {
2918				reconnectAccount(account, false, true);
2919			}
2920		}).start();
2921	}
2922
2923	public void invite(Conversation conversation, Jid contact) {
2924		Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": inviting " + contact + " to " + conversation.getJid().toBareJid());
2925		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
2926		sendMessagePacket(conversation.getAccount(), packet);
2927	}
2928
2929	public void directInvite(Conversation conversation, Jid jid) {
2930		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
2931		sendMessagePacket(conversation.getAccount(), packet);
2932	}
2933
2934	public void resetSendingToWaiting(Account account) {
2935		for (Conversation conversation : getConversations()) {
2936			if (conversation.getAccount() == account) {
2937				conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
2938
2939					@Override
2940					public void onMessageFound(Message message) {
2941						markMessage(message, Message.STATUS_WAITING);
2942					}
2943				});
2944			}
2945		}
2946	}
2947
2948	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
2949		return markMessage(account, recipient, uuid, status, null);
2950	}
2951
2952	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
2953		if (uuid == null) {
2954			return null;
2955		}
2956		for (Conversation conversation : getConversations()) {
2957			if (conversation.getJid().toBareJid().equals(recipient) && conversation.getAccount() == account) {
2958				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
2959				if (message != null) {
2960					markMessage(message, status, errorMessage);
2961				}
2962				return message;
2963			}
2964		}
2965		return null;
2966	}
2967
2968	public boolean markMessage(Conversation conversation, String uuid, int status) {
2969		if (uuid == null) {
2970			return false;
2971		} else {
2972			Message message = conversation.findSentMessageWithUuid(uuid);
2973			if (message != null) {
2974				markMessage(message, status);
2975				return true;
2976			} else {
2977				return false;
2978			}
2979		}
2980	}
2981
2982	public void markMessage(Message message, int status) {
2983		markMessage(message, status, null);
2984	}
2985
2986
2987	public void markMessage(Message message, int status, String errorMessage) {
2988		if (status == Message.STATUS_SEND_FAILED
2989				&& (message.getStatus() == Message.STATUS_SEND_RECEIVED || message
2990				.getStatus() == Message.STATUS_SEND_DISPLAYED)
2991				&& errorMessage == null) {
2992			return;
2993		}
2994		message.setErrorMessage(errorMessage);
2995		message.setStatus(status);
2996		databaseBackend.updateMessage(message);
2997		updateConversationUi();
2998	}
2999
3000	public SharedPreferences getPreferences() {
3001		return PreferenceManager
3002				.getDefaultSharedPreferences(getApplicationContext());
3003	}
3004
3005	public boolean confirmMessages() {
3006		return getPreferences().getBoolean("confirm_messages", true);
3007	}
3008
3009	public boolean allowMessageCorrection() {
3010		return getPreferences().getBoolean("allow_message_correction", true);
3011	}
3012
3013	public boolean sendChatStates() {
3014		return getPreferences().getBoolean("chat_states", false);
3015	}
3016
3017	public boolean saveEncryptedMessages() {
3018		return !getPreferences().getBoolean("dont_save_encrypted", false);
3019	}
3020
3021	private boolean respectAutojoin() {
3022		return getPreferences().getBoolean("autojoin", true);
3023	}
3024
3025	public boolean indicateReceived() {
3026		return getPreferences().getBoolean("indicate_received", false);
3027	}
3028
3029	public boolean useTorToConnect() {
3030		return Config.FORCE_ORBOT || getPreferences().getBoolean("use_tor", false);
3031	}
3032
3033	public boolean showExtendedConnectionOptions() {
3034		return getPreferences().getBoolean("show_connection_options", false);
3035	}
3036
3037	public boolean broadcastLastActivity() {
3038		return getPreferences().getBoolean("last_activity", false);
3039	}
3040
3041	public int unreadCount() {
3042		int count = 0;
3043		for (Conversation conversation : getConversations()) {
3044			count += conversation.unreadCount();
3045		}
3046		return count;
3047	}
3048
3049
3050	public void showErrorToastInUi(int resId) {
3051		if (mOnShowErrorToast != null) {
3052			mOnShowErrorToast.onShowErrorToast(resId);
3053		}
3054	}
3055
3056	public void updateConversationUi() {
3057		if (mOnConversationUpdate != null) {
3058			mOnConversationUpdate.onConversationUpdate();
3059		}
3060	}
3061
3062	public void updateAccountUi() {
3063		if (mOnAccountUpdate != null) {
3064			mOnAccountUpdate.onAccountUpdate();
3065		}
3066	}
3067
3068	public void updateRosterUi() {
3069		if (mOnRosterUpdate != null) {
3070			mOnRosterUpdate.onRosterUpdate();
3071		}
3072	}
3073
3074	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3075		if (mOnCaptchaRequested != null) {
3076			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3077			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3078					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3079
3080			mOnCaptchaRequested.onCaptchaRequested(account, id, data, scaled);
3081			return true;
3082		}
3083		return false;
3084	}
3085
3086	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3087		if (mOnUpdateBlocklist != null) {
3088			mOnUpdateBlocklist.OnUpdateBlocklist(status);
3089		}
3090	}
3091
3092	public void updateMucRosterUi() {
3093		if (mOnMucRosterUpdate != null) {
3094			mOnMucRosterUpdate.onMucRosterUpdate();
3095		}
3096	}
3097
3098	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3099		if (mOnKeyStatusUpdated != null) {
3100			mOnKeyStatusUpdated.onKeyStatusUpdated(report);
3101		}
3102	}
3103
3104	public Account findAccountByJid(final Jid accountJid) {
3105		for (Account account : this.accounts) {
3106			if (account.getJid().toBareJid().equals(accountJid.toBareJid())) {
3107				return account;
3108			}
3109		}
3110		return null;
3111	}
3112
3113	public Conversation findConversationByUuid(String uuid) {
3114		for (Conversation conversation : getConversations()) {
3115			if (conversation.getUuid().equals(uuid)) {
3116				return conversation;
3117			}
3118		}
3119		return null;
3120	}
3121
3122	public boolean markRead(final Conversation conversation) {
3123		return markRead(conversation,true);
3124	}
3125
3126	public boolean markRead(final Conversation conversation, boolean clear) {
3127		if (clear) {
3128			mNotificationService.clear(conversation);
3129		}
3130		final List<Message> readMessages = conversation.markRead();
3131		if (readMessages.size() > 0) {
3132			Runnable runnable = new Runnable() {
3133				@Override
3134				public void run() {
3135					for (Message message : readMessages) {
3136						databaseBackend.updateMessage(message);
3137					}
3138				}
3139			};
3140			mDatabaseExecutor.execute(runnable);
3141			updateUnreadCountBadge();
3142			return true;
3143		} else {
3144			return false;
3145		}
3146	}
3147
3148	public synchronized void updateUnreadCountBadge() {
3149		int count = unreadCount();
3150		if (unreadCount != count) {
3151			Log.d(Config.LOGTAG, "update unread count to " + count);
3152			if (count > 0) {
3153				ShortcutBadger.applyCount(getApplicationContext(), count);
3154			} else {
3155				ShortcutBadger.removeCount(getApplicationContext());
3156			}
3157			unreadCount = count;
3158		}
3159	}
3160
3161	public void sendReadMarker(final Conversation conversation) {
3162		final Message markable = conversation.getLatestMarkableMessage();
3163		if (this.markRead(conversation)) {
3164			updateConversationUi();
3165		}
3166		if (confirmMessages()
3167				&& markable != null
3168				&& markable.trusted()
3169				&& markable.getRemoteMsgId() != null) {
3170			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
3171			Account account = conversation.getAccount();
3172			final Jid to = markable.getCounterpart();
3173			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId());
3174			this.sendMessagePacket(conversation.getAccount(), packet);
3175		}
3176	}
3177
3178	public SecureRandom getRNG() {
3179		return this.mRandom;
3180	}
3181
3182	public MemorizingTrustManager getMemorizingTrustManager() {
3183		return this.mMemorizingTrustManager;
3184	}
3185
3186	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
3187		this.mMemorizingTrustManager = trustManager;
3188	}
3189
3190	public void updateMemorizingTrustmanager() {
3191		final MemorizingTrustManager tm;
3192		final boolean dontTrustSystemCAs = getPreferences().getBoolean("dont_trust_system_cas", false);
3193		if (dontTrustSystemCAs) {
3194			tm = new MemorizingTrustManager(getApplicationContext(), null);
3195		} else {
3196			tm = new MemorizingTrustManager(getApplicationContext());
3197		}
3198		setMemorizingTrustManager(tm);
3199	}
3200
3201	public PowerManager getPowerManager() {
3202		return this.pm;
3203	}
3204
3205	public LruCache<String, Bitmap> getBitmapCache() {
3206		return this.mBitmapCache;
3207	}
3208
3209	public void syncRosterToDisk(final Account account) {
3210		Runnable runnable = new Runnable() {
3211
3212			@Override
3213			public void run() {
3214				databaseBackend.writeRoster(account.getRoster());
3215			}
3216		};
3217		mDatabaseExecutor.execute(runnable);
3218
3219	}
3220
3221	public List<String> getKnownHosts() {
3222		final List<String> hosts = new ArrayList<>();
3223		for (final Account account : getAccounts()) {
3224			if (!hosts.contains(account.getServer().toString())) {
3225				hosts.add(account.getServer().toString());
3226			}
3227			for (final Contact contact : account.getRoster().getContacts()) {
3228				if (contact.showInRoster()) {
3229					final String server = contact.getServer().toString();
3230					if (server != null && !hosts.contains(server)) {
3231						hosts.add(server);
3232					}
3233				}
3234			}
3235		}
3236		if(Config.DOMAIN_LOCK != null && !hosts.contains(Config.DOMAIN_LOCK)) {
3237			hosts.add(Config.DOMAIN_LOCK);
3238		}
3239		if(Config.MAGIC_CREATE_DOMAIN != null && !hosts.contains(Config.MAGIC_CREATE_DOMAIN)) {
3240			hosts.add(Config.MAGIC_CREATE_DOMAIN);
3241		}
3242		return hosts;
3243	}
3244
3245	public List<String> getKnownConferenceHosts() {
3246		final ArrayList<String> mucServers = new ArrayList<>();
3247		for (final Account account : accounts) {
3248			if (account.getXmppConnection() != null) {
3249				final String server = account.getXmppConnection().getMucServer();
3250				if (server != null && !mucServers.contains(server)) {
3251					mucServers.add(server);
3252				}
3253			}
3254		}
3255		return mucServers;
3256	}
3257
3258	public void sendMessagePacket(Account account, MessagePacket packet) {
3259		XmppConnection connection = account.getXmppConnection();
3260		if (connection != null) {
3261			connection.sendMessagePacket(packet);
3262		}
3263	}
3264
3265	public void sendPresencePacket(Account account, PresencePacket packet) {
3266		XmppConnection connection = account.getXmppConnection();
3267		if (connection != null) {
3268			connection.sendPresencePacket(packet);
3269		}
3270	}
3271
3272	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
3273		final XmppConnection connection = account.getXmppConnection();
3274		if (connection != null) {
3275			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
3276			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener);
3277		}
3278	}
3279
3280	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
3281		final XmppConnection connection = account.getXmppConnection();
3282		if (connection != null) {
3283			connection.sendIqPacket(packet, callback);
3284		}
3285	}
3286
3287	public void sendPresence(final Account account) {
3288		sendPresence(account, checkListeners() && broadcastLastActivity());
3289	}
3290
3291	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
3292		PresencePacket packet;
3293		if (manuallyChangePresence()) {
3294			packet =  mPresenceGenerator.selfPresence(account, account.getPresenceStatus());
3295			String message = account.getPresenceStatusMessage();
3296			if (message != null && !message.isEmpty()) {
3297				packet.addChild(new Element("status").setContent(message));
3298			}
3299		} else {
3300			packet = mPresenceGenerator.selfPresence(account, getTargetPresence());
3301		}
3302		if (mLastActivity > 0 && includeIdleTimestamp) {
3303			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
3304			packet.addChild("idle","urn:xmpp:idle:1").setAttribute("since", AbstractGenerator.getTimestamp(since));
3305		}
3306		sendPresencePacket(account, packet);
3307	}
3308
3309	private void deactivateGracePeriod() {
3310		for(Account account : getAccounts()) {
3311			account.deactivateGracePeriod();
3312		}
3313	}
3314
3315	public void refreshAllPresences() {
3316		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
3317		for (Account account : getAccounts()) {
3318			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
3319				sendPresence(account, includeIdleTimestamp);
3320			}
3321		}
3322	}
3323
3324	private void refreshAllGcmTokens() {
3325		for(Account account : getAccounts()) {
3326			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
3327				mPushManagementService.registerPushTokenOnServer(account);
3328			}
3329		}
3330	}
3331
3332	private void sendOfflinePresence(final Account account) {
3333		Log.d(Config.LOGTAG,account.getJid().toBareJid()+": sending offline presence");
3334		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
3335	}
3336
3337	public MessageGenerator getMessageGenerator() {
3338		return this.mMessageGenerator;
3339	}
3340
3341	public PresenceGenerator getPresenceGenerator() {
3342		return this.mPresenceGenerator;
3343	}
3344
3345	public IqGenerator getIqGenerator() {
3346		return this.mIqGenerator;
3347	}
3348
3349	public IqParser getIqParser() {
3350		return this.mIqParser;
3351	}
3352
3353	public JingleConnectionManager getJingleConnectionManager() {
3354		return this.mJingleConnectionManager;
3355	}
3356
3357	public MessageArchiveService getMessageArchiveService() {
3358		return this.mMessageArchiveService;
3359	}
3360
3361	public List<Contact> findContacts(Jid jid) {
3362		ArrayList<Contact> contacts = new ArrayList<>();
3363		for (Account account : getAccounts()) {
3364			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
3365				Contact contact = account.getRoster().getContactFromRoster(jid);
3366				if (contact != null) {
3367					contacts.add(contact);
3368				}
3369			}
3370		}
3371		return contacts;
3372	}
3373
3374	public Conversation findFirstMuc(Jid jid) {
3375		for(Conversation conversation : getConversations()) {
3376			if (conversation.getJid().toBareJid().equals(jid.toBareJid())
3377					&& conversation.getMode() == Conversation.MODE_MULTI) {
3378				return conversation;
3379			}
3380		}
3381		return null;
3382	}
3383
3384	public NotificationService getNotificationService() {
3385		return this.mNotificationService;
3386	}
3387
3388	public HttpConnectionManager getHttpConnectionManager() {
3389		return this.mHttpConnectionManager;
3390	}
3391
3392	public void resendFailedMessages(final Message message) {
3393		final Collection<Message> messages = new ArrayList<>();
3394		Message current = message;
3395		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
3396			messages.add(current);
3397			if (current.mergeable(current.next())) {
3398				current = current.next();
3399			} else {
3400				break;
3401			}
3402		}
3403		for (final Message msg : messages) {
3404			msg.setTime(System.currentTimeMillis());
3405			markMessage(msg, Message.STATUS_WAITING);
3406			this.resendMessage(msg, false);
3407		}
3408	}
3409
3410	public void clearConversationHistory(final Conversation conversation) {
3411		conversation.clearMessages();
3412		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
3413		conversation.setLastClearHistory(System.currentTimeMillis());
3414		Runnable runnable = new Runnable() {
3415			@Override
3416			public void run() {
3417				databaseBackend.deleteMessagesInConversation(conversation);
3418				databaseBackend.updateConversation(conversation);
3419			}
3420		};
3421		mDatabaseExecutor.execute(runnable);
3422	}
3423
3424	public void sendBlockRequest(final Blockable blockable, boolean reportSpam) {
3425		if (blockable != null && blockable.getBlockedJid() != null) {
3426			final Jid jid = blockable.getBlockedJid();
3427			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), new OnIqPacketReceived() {
3428
3429				@Override
3430				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3431					if (packet.getType() == IqPacket.TYPE.RESULT) {
3432						account.getBlocklist().add(jid);
3433						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
3434					}
3435				}
3436			});
3437		}
3438	}
3439
3440	public void sendUnblockRequest(final Blockable blockable) {
3441		if (blockable != null && blockable.getJid() != null) {
3442			final Jid jid = blockable.getBlockedJid();
3443			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
3444				@Override
3445				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3446					if (packet.getType() == IqPacket.TYPE.RESULT) {
3447						account.getBlocklist().remove(jid);
3448						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
3449					}
3450				}
3451			});
3452		}
3453	}
3454
3455	public void publishDisplayName(Account account) {
3456		String displayName = account.getDisplayName();
3457		if (displayName != null && !displayName.isEmpty()) {
3458			IqPacket publish = mIqGenerator.publishNick(displayName);
3459			sendIqPacket(account, publish, new OnIqPacketReceived() {
3460				@Override
3461				public void onIqPacketReceived(Account account, IqPacket packet) {
3462					if (packet.getType() == IqPacket.TYPE.ERROR) {
3463						Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not publish nick");
3464					}
3465				}
3466			});
3467		}
3468	}
3469
3470	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
3471		ServiceDiscoveryResult result = discoCache.get(key);
3472		if (result != null) {
3473			return result;
3474		} else {
3475			result = databaseBackend.findDiscoveryResult(key.first, key.second);
3476			if (result != null) {
3477				discoCache.put(key, result);
3478			}
3479			return result;
3480		}
3481	}
3482
3483	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
3484		final Pair<String,String> key = new Pair<>(presence.getHash(), presence.getVer());
3485		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
3486		if (disco != null) {
3487			presence.setServiceDiscoveryResult(disco);
3488		} else {
3489			if (!account.inProgressDiscoFetches.contains(key)) {
3490				account.inProgressDiscoFetches.add(key);
3491				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3492				request.setTo(jid);
3493				request.query("http://jabber.org/protocol/disco#info");
3494				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": making disco request for "+key.second+" to "+jid);
3495				sendIqPacket(account, request, new OnIqPacketReceived() {
3496					@Override
3497					public void onIqPacketReceived(Account account, IqPacket discoPacket) {
3498						if (discoPacket.getType() == IqPacket.TYPE.RESULT) {
3499							ServiceDiscoveryResult disco = new ServiceDiscoveryResult(discoPacket);
3500							if (presence.getVer().equals(disco.getVer())) {
3501								databaseBackend.insertDiscoveryResult(disco);
3502								injectServiceDiscorveryResult(account.getRoster(), presence.getHash(), presence.getVer(), disco);
3503							} else {
3504								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + disco.getVer());
3505							}
3506						}
3507						account.inProgressDiscoFetches.remove(key);
3508					}
3509				});
3510			}
3511		}
3512	}
3513
3514	private void injectServiceDiscorveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
3515		for(Contact contact : roster.getContacts()) {
3516			for(Presence presence : contact.getPresences().getPresences().values()) {
3517				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
3518					presence.setServiceDiscoveryResult(disco);
3519				}
3520			}
3521		}
3522	}
3523
3524	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
3525		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3526		request.addChild("prefs","urn:xmpp:mam:0");
3527		sendIqPacket(account, request, new OnIqPacketReceived() {
3528			@Override
3529			public void onIqPacketReceived(Account account, IqPacket packet) {
3530				Element prefs = packet.findChild("prefs","urn:xmpp:mam:0");
3531				if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
3532					callback.onPreferencesFetched(prefs);
3533				} else {
3534					callback.onPreferencesFetchFailed();
3535				}
3536			}
3537		});
3538	}
3539
3540	public PushManagementService getPushManagementService() {
3541		return mPushManagementService;
3542	}
3543
3544	public Account getPendingAccount() {
3545		Account pending = null;
3546		for(Account account : getAccounts()) {
3547			if (account.isOptionSet(Account.OPTION_REGISTER)) {
3548				pending = account;
3549			} else {
3550				return null;
3551			}
3552		}
3553		return pending;
3554	}
3555
3556	public void changeStatus(Account account, Presence.Status status, String statusMessage, boolean send) {
3557		if (!statusMessage.isEmpty()) {
3558			databaseBackend.insertPresenceTemplate(new PresenceTemplate(status, statusMessage));
3559		}
3560		changeStatusReal(account, status, statusMessage, send);
3561	}
3562
3563	private void changeStatusReal(Account account, Presence.Status status, String statusMessage, boolean send) {
3564		account.setPresenceStatus(status);
3565		account.setPresenceStatusMessage(statusMessage);
3566		databaseBackend.updateAccount(account);
3567		if (!account.isOptionSet(Account.OPTION_DISABLED) && send) {
3568			sendPresence(account);
3569		}
3570	}
3571
3572	public void changeStatus(Presence.Status status, String statusMessage) {
3573		if (!statusMessage.isEmpty()) {
3574			databaseBackend.insertPresenceTemplate(new PresenceTemplate(status, statusMessage));
3575		}
3576		for(Account account : getAccounts()) {
3577			changeStatusReal(account, status, statusMessage, true);
3578		}
3579	}
3580
3581	public List<PresenceTemplate> getPresenceTemplates(Account account) {
3582		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
3583		for(PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
3584			if (!templates.contains(template)) {
3585				templates.add(0, template);
3586			}
3587		}
3588		return templates;
3589	}
3590
3591	public void saveConversationAsBookmark(Conversation conversation, String name) {
3592		Account account = conversation.getAccount();
3593		Bookmark bookmark = new Bookmark(account, conversation.getJid().toBareJid());
3594		if (!conversation.getJid().isBareJid()) {
3595			bookmark.setNick(conversation.getJid().getResourcepart());
3596		}
3597		if (name != null && !name.trim().isEmpty()) {
3598			bookmark.setBookmarkName(name.trim());
3599		}
3600		bookmark.setAutojoin(getPreferences().getBoolean("autojoin",true));
3601		account.getBookmarks().add(bookmark);
3602		pushBookmarks(account);
3603		conversation.setBookmark(bookmark);
3604	}
3605
3606	public interface OnMamPreferencesFetched {
3607		void onPreferencesFetched(Element prefs);
3608		void onPreferencesFetchFailed();
3609	}
3610
3611	public void pushMamPreferences(Account account, Element prefs) {
3612		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3613		set.addChild(prefs);
3614		sendIqPacket(account, set, null);
3615	}
3616
3617	public interface OnAccountCreated {
3618		void onAccountCreated(Account account);
3619
3620		void informUser(int r);
3621	}
3622
3623	public interface OnMoreMessagesLoaded {
3624		void onMoreMessagesLoaded(int count, Conversation conversation);
3625
3626		void informUser(int r);
3627	}
3628
3629	public interface OnAccountPasswordChanged {
3630		void onPasswordChangeSucceeded();
3631
3632		void onPasswordChangeFailed();
3633	}
3634
3635	public interface OnAffiliationChanged {
3636		void onAffiliationChangedSuccessful(Jid jid);
3637
3638		void onAffiliationChangeFailed(Jid jid, int resId);
3639	}
3640
3641	public interface OnRoleChanged {
3642		void onRoleChangedSuccessful(String nick);
3643
3644		void onRoleChangeFailed(String nick, int resid);
3645	}
3646
3647	public interface OnConversationUpdate {
3648		void onConversationUpdate();
3649	}
3650
3651	public interface OnAccountUpdate {
3652		void onAccountUpdate();
3653	}
3654
3655	public interface OnCaptchaRequested {
3656		void onCaptchaRequested(Account account,
3657								String id,
3658								Data data,
3659								Bitmap captcha);
3660	}
3661
3662	public interface OnRosterUpdate {
3663		void onRosterUpdate();
3664	}
3665
3666	public interface OnMucRosterUpdate {
3667		void onMucRosterUpdate();
3668	}
3669
3670	public interface OnConferenceConfigurationFetched {
3671		void onConferenceConfigurationFetched(Conversation conversation);
3672
3673		void onFetchFailed(Conversation conversation, Element error);
3674	}
3675
3676	public interface OnConferenceJoined {
3677		void onConferenceJoined(Conversation conversation);
3678	}
3679
3680	public interface OnConferenceOptionsPushed {
3681		void onPushSucceeded();
3682
3683		void onPushFailed();
3684	}
3685
3686	public interface OnShowErrorToast {
3687		void onShowErrorToast(int resId);
3688	}
3689
3690	public class XmppConnectionBinder extends Binder {
3691		public XmppConnectionService getService() {
3692			return XmppConnectionService.this;
3693		}
3694	}
3695}