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					final boolean lowTimeout = mLowPingTimeoutMode.contains(account.getJid().toBareJid());
 699					account.getXmppConnection().sendPing();
 700					Log.d(Config.LOGTAG, account.getJid().toBareJid() + " send ping (action=" + action + ",listeners="+Boolean.toString(listeners)+",lowTimeout="+Boolean.toString(lowTimeout)+")");
 701					scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT: Config.PING_TIMEOUT, account.getUuid().hashCode());
 702				}
 703			}
 704		}
 705		if (wakeLock.isHeld()) {
 706			try {
 707				wakeLock.release();
 708			} catch (final RuntimeException ignored) {
 709			}
 710		}
 711		return START_STICKY;
 712	}
 713
 714	public boolean isDataSaverDisabled() {
 715		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 716			ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 717			return !connectivityManager.isActiveNetworkMetered()
 718					|| connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 719		} else {
 720			return true;
 721		}
 722	}
 723
 724	private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 725		Message message = new Message(conversation,body,conversation.getNextEncryption());
 726		message.markUnread();
 727		if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 728			getPgpEngine().encrypt(message, new UiCallback<Message>() {
 729				@Override
 730				public void success(Message message) {
 731					message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 732					sendMessage(message);
 733					if (dismissAfterReply) {
 734						markRead(message.getConversation(),true);
 735					} else {
 736						mNotificationService.pushFromDirectReply(message);
 737					}
 738				}
 739
 740				@Override
 741				public void error(int errorCode, Message object) {
 742
 743				}
 744
 745				@Override
 746				public void userInputRequried(PendingIntent pi, Message object) {
 747
 748				}
 749			});
 750		} else {
 751			sendMessage(message);
 752			if (dismissAfterReply) {
 753				markRead(conversation,true);
 754			} else {
 755				mNotificationService.pushFromDirectReply(message);
 756			}
 757		}
 758	}
 759
 760	private boolean xaOnSilentMode() {
 761		return getPreferences().getBoolean("xa_on_silent_mode", false);
 762	}
 763
 764	private boolean manuallyChangePresence() {
 765		return getPreferences().getBoolean("manually_change_presence", false);
 766	}
 767
 768	private boolean treatVibrateAsSilent() {
 769		return getPreferences().getBoolean("treat_vibrate_as_silent", false);
 770	}
 771
 772	private boolean awayWhenScreenOff() {
 773		return getPreferences().getBoolean("away_when_screen_off", false);
 774	}
 775
 776	private String getCompressPicturesPreference() {
 777		return getPreferences().getString("picture_compression", "auto");
 778	}
 779
 780	private Presence.Status getTargetPresence() {
 781		if (xaOnSilentMode() && isPhoneSilenced()) {
 782			return Presence.Status.XA;
 783		} else if (awayWhenScreenOff() && !isInteractive()) {
 784			return Presence.Status.AWAY;
 785		} else {
 786			return Presence.Status.ONLINE;
 787		}
 788	}
 789
 790	@SuppressLint("NewApi")
 791	@SuppressWarnings("deprecation")
 792	public boolean isInteractive() {
 793		final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 794
 795		final boolean isScreenOn;
 796		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 797			isScreenOn = pm.isScreenOn();
 798		} else {
 799			isScreenOn = pm.isInteractive();
 800		}
 801		return isScreenOn;
 802	}
 803
 804	private boolean isPhoneSilenced() {
 805		AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 806		try {
 807			if (treatVibrateAsSilent()) {
 808				return audioManager.getRingerMode() != AudioManager.RINGER_MODE_NORMAL;
 809			} else {
 810				return audioManager.getRingerMode() == AudioManager.RINGER_MODE_SILENT;
 811			}
 812		} catch (Throwable throwable) {
 813			Log.d(Config.LOGTAG,"platform bug in isPhoneSilenced ("+ throwable.getMessage()+")");
 814			return false;
 815		}
 816	}
 817
 818	private void resetAllAttemptCounts(boolean reallyAll) {
 819		Log.d(Config.LOGTAG, "resetting all attempt counts");
 820		for (Account account : accounts) {
 821			if (account.hasErrorStatus() || reallyAll) {
 822				final XmppConnection connection = account.getXmppConnection();
 823				if (connection != null) {
 824					connection.resetAttemptCount();
 825				}
 826			}
 827			if (account.setShowErrorNotification(true)) {
 828				databaseBackend.updateAccount(account);
 829			}
 830		}
 831		mNotificationService.updateErrorNotification();
 832	}
 833
 834	private void dismissErrorNotifications() {
 835		for (final Account account : this.accounts) {
 836			if (account.hasErrorStatus()) {
 837				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": dismissing error notification");
 838				if (account.setShowErrorNotification(false)) {
 839					databaseBackend.updateAccount(account);
 840				}
 841			}
 842		}
 843	}
 844
 845	public boolean hasInternetConnection() {
 846		ConnectivityManager cm = (ConnectivityManager) getApplicationContext()
 847				.getSystemService(Context.CONNECTIVITY_SERVICE);
 848		NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
 849		return activeNetwork != null && activeNetwork.isConnected();
 850	}
 851
 852	@SuppressLint("TrulyRandom")
 853	@Override
 854	public void onCreate() {
 855		ExceptionHelper.init(getApplicationContext());
 856		PRNGFixes.apply();
 857		this.mRandom = new SecureRandom();
 858		updateMemorizingTrustmanager();
 859		final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
 860		final int cacheSize = maxMemory / 8;
 861		this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
 862			@Override
 863			protected int sizeOf(final String key, final Bitmap bitmap) {
 864				return bitmap.getByteCount() / 1024;
 865			}
 866		};
 867
 868		this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
 869		this.accounts = databaseBackend.getAccounts();
 870
 871		restoreFromDatabase();
 872
 873		getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, contactObserver);
 874		new Thread(new Runnable() {
 875			@Override
 876			public void run() {
 877				fileObserver.startWatching();
 878			}
 879		}).start();
 880		if (Config.supportOpenPgp()) {
 881			this.pgpServiceConnection = new OpenPgpServiceConnection(getApplicationContext(), "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
 882				@Override
 883				public void onBound(IOpenPgpService2 service) {
 884					for (Account account : accounts) {
 885						final PgpDecryptionService pgp = account.getPgpDecryptionService();
 886						if(pgp != null) {
 887							pgp.continueDecryption(true);
 888						}
 889					}
 890				}
 891
 892				@Override
 893				public void onError(Exception e) {
 894				}
 895			});
 896			this.pgpServiceConnection.bindToService();
 897		}
 898
 899		this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 900		this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "XmppConnectionService");
 901		toggleForegroundService();
 902		updateUnreadCountBadge();
 903		toggleScreenEventReceiver();
 904		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && !Config.PUSH_MODE) {
 905			scheduleNextIdlePing();
 906		}
 907		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 908			registerReceiver(this.mEventReceiver,new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
 909		}
 910	}
 911
 912	@Override
 913	public void onTrimMemory(int level) {
 914		super.onTrimMemory(level);
 915		if (level >= TRIM_MEMORY_COMPLETE) {
 916			Log.d(Config.LOGTAG, "clear cache due to low memory");
 917			getBitmapCache().evictAll();
 918		}
 919	}
 920
 921	@Override
 922	public void onDestroy() {
 923		try {
 924			unregisterReceiver(this.mEventReceiver);
 925		} catch (IllegalArgumentException e) {
 926			//ignored
 927		}
 928		fileObserver.stopWatching();
 929		super.onDestroy();
 930	}
 931
 932	public void toggleScreenEventReceiver() {
 933		if (awayWhenScreenOff() && !manuallyChangePresence()) {
 934			final IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_ON);
 935			filter.addAction(Intent.ACTION_SCREEN_OFF);
 936			registerReceiver(this.mEventReceiver, filter);
 937		} else {
 938			try {
 939				unregisterReceiver(this.mEventReceiver);
 940			} catch (IllegalArgumentException e) {
 941				//ignored
 942			}
 943		}
 944	}
 945
 946	public void toggleForegroundService() {
 947		if (getPreferences().getBoolean("keep_foreground_service", false)) {
 948			startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, this.mNotificationService.createForegroundNotification());
 949		} else {
 950			stopForeground(true);
 951		}
 952	}
 953
 954	@Override
 955	public void onTaskRemoved(final Intent rootIntent) {
 956		super.onTaskRemoved(rootIntent);
 957		if (!getPreferences().getBoolean("keep_foreground_service", false)) {
 958			this.logoutAndSave(false);
 959		} else {
 960			Log.d(Config.LOGTAG,"ignoring onTaskRemoved because foreground service is activated");
 961		}
 962	}
 963
 964	private void logoutAndSave(boolean stop) {
 965		int activeAccounts = 0;
 966		for (final Account account : accounts) {
 967			if (account.getStatus() != Account.State.DISABLED) {
 968				activeAccounts++;
 969			}
 970			databaseBackend.writeRoster(account.getRoster());
 971			if (account.getXmppConnection() != null) {
 972				new Thread(new Runnable() {
 973					@Override
 974					public void run() {
 975						disconnect(account, false);
 976					}
 977				}).start();
 978			}
 979		}
 980		if (stop || activeAccounts == 0) {
 981			Log.d(Config.LOGTAG, "good bye");
 982			stopSelf();
 983		}
 984	}
 985
 986	private void cancelWakeUpCall(int requestCode) {
 987		final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
 988		final Intent intent = new Intent(this, EventReceiver.class);
 989		intent.setAction("ping");
 990		alarmManager.cancel(PendingIntent.getBroadcast(this, requestCode, intent, 0));
 991	}
 992
 993	public void scheduleWakeUpCall(int seconds, int requestCode) {
 994		final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
 995		AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
 996		Intent intent = new Intent(this, EventReceiver.class);
 997		intent.setAction("ping");
 998		PendingIntent alarmIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
 999		alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, alarmIntent);
1000	}
1001
1002	@TargetApi(Build.VERSION_CODES.M)
1003	private void scheduleNextIdlePing() {
1004		Log.d(Config.LOGTAG,"schedule next idle ping");
1005		AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1006		Intent intent = new Intent(this, EventReceiver.class);
1007		intent.setAction(ACTION_IDLE_PING);
1008		alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP,
1009				SystemClock.elapsedRealtime()+(Config.IDLE_PING_INTERVAL * 1000),
1010				PendingIntent.getBroadcast(this,0,intent,0)
1011				);
1012	}
1013
1014	public XmppConnection createConnection(final Account account) {
1015		final SharedPreferences sharedPref = getPreferences();
1016		String resource;
1017		try {
1018			resource = sharedPref.getString("resource", getString(R.string.default_resource)).toLowerCase(Locale.ENGLISH);
1019			if (resource.trim().isEmpty()) {
1020				throw new Exception();
1021			}
1022		} catch (Exception e) {
1023			resource = "conversations";
1024		}
1025		account.setResource(resource);
1026		final XmppConnection connection = new XmppConnection(account, this);
1027		connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1028		connection.setOnStatusChangedListener(this.statusListener);
1029		connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1030		connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1031		connection.setOnJinglePacketReceivedListener(this.jingleListener);
1032		connection.setOnBindListener(this.mOnBindListener);
1033		connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1034		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1035		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1036		AxolotlService axolotlService = account.getAxolotlService();
1037		if (axolotlService != null) {
1038			connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1039		}
1040		return connection;
1041	}
1042
1043	public void sendChatState(Conversation conversation) {
1044		if (sendChatStates()) {
1045			MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1046			sendMessagePacket(conversation.getAccount(), packet);
1047		}
1048	}
1049
1050	private void sendFileMessage(final Message message, final boolean delay) {
1051		Log.d(Config.LOGTAG, "send file message");
1052		final Account account = message.getConversation().getAccount();
1053		if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())) {
1054			mHttpConnectionManager.createNewUploadConnection(message, delay);
1055		} else {
1056			mJingleConnectionManager.createNewConnection(message);
1057		}
1058	}
1059
1060	public void sendMessage(final Message message) {
1061		sendMessage(message, false, false);
1062	}
1063
1064	private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1065		final Account account = message.getConversation().getAccount();
1066		if (account.setShowErrorNotification(true)) {
1067			databaseBackend.updateAccount(account);
1068			mNotificationService.updateErrorNotification();
1069		}
1070		final Conversation conversation = message.getConversation();
1071		account.deactivateGracePeriod();
1072		MessagePacket packet = null;
1073		final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1074				|| account.getServerIdentity() != XmppConnection.Identity.SLACK)
1075				&& !message.edited();
1076		boolean saveInDb = addToConversation;
1077		message.setStatus(Message.STATUS_WAITING);
1078
1079		if (!resend && message.getEncryption() != Message.ENCRYPTION_OTR) {
1080			message.getConversation().endOtrIfNeeded();
1081			message.getConversation().findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR,
1082					new Conversation.OnMessageFound() {
1083						@Override
1084						public void onMessageFound(Message message) {
1085							markMessage(message, Message.STATUS_SEND_FAILED);
1086						}
1087					});
1088		}
1089
1090		if (account.isOnlineAndConnected()) {
1091			switch (message.getEncryption()) {
1092				case Message.ENCRYPTION_NONE:
1093					if (message.needsUploading()) {
1094						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1095								|| message.fixCounterpart()) {
1096							this.sendFileMessage(message, delay);
1097						} else {
1098							break;
1099						}
1100					} else {
1101						packet = mMessageGenerator.generateChat(message);
1102					}
1103					break;
1104				case Message.ENCRYPTION_PGP:
1105				case Message.ENCRYPTION_DECRYPTED:
1106					if (message.needsUploading()) {
1107						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1108								|| message.fixCounterpart()) {
1109							this.sendFileMessage(message, delay);
1110						} else {
1111							break;
1112						}
1113					} else {
1114						packet = mMessageGenerator.generatePgpChat(message);
1115					}
1116					break;
1117				case Message.ENCRYPTION_OTR:
1118					SessionImpl otrSession = conversation.getOtrSession();
1119					if (otrSession != null && otrSession.getSessionStatus() == SessionStatus.ENCRYPTED) {
1120						try {
1121							message.setCounterpart(Jid.fromSessionID(otrSession.getSessionID()));
1122						} catch (InvalidJidException e) {
1123							break;
1124						}
1125						if (message.needsUploading()) {
1126							mJingleConnectionManager.createNewConnection(message);
1127						} else {
1128							packet = mMessageGenerator.generateOtrChat(message);
1129						}
1130					} else if (otrSession == null) {
1131						if (message.fixCounterpart()) {
1132							conversation.startOtrSession(message.getCounterpart().getResourcepart(), true);
1133						} else {
1134							Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could not fix counterpart for OTR message to contact "+message.getContact().getJid());
1135							break;
1136						}
1137					} else {
1138						Log.d(Config.LOGTAG,account.getJid().toBareJid()+" OTR session with "+message.getContact()+" is in wrong state: "+otrSession.getSessionStatus().toString());
1139					}
1140					break;
1141				case Message.ENCRYPTION_AXOLOTL:
1142					message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1143					if (message.needsUploading()) {
1144						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1145								|| message.fixCounterpart()) {
1146							this.sendFileMessage(message, delay);
1147						} else {
1148							break;
1149						}
1150					} else {
1151						XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1152						if (axolotlMessage == null) {
1153							account.getAxolotlService().preparePayloadMessage(message, delay);
1154						} else {
1155							packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1156						}
1157					}
1158					break;
1159
1160			}
1161			if (packet != null) {
1162				if (account.getXmppConnection().getFeatures().sm()
1163						|| (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1164					message.setStatus(Message.STATUS_UNSEND);
1165				} else {
1166					message.setStatus(Message.STATUS_SEND);
1167				}
1168			}
1169		} else {
1170			switch (message.getEncryption()) {
1171				case Message.ENCRYPTION_DECRYPTED:
1172					if (!message.needsUploading()) {
1173						String pgpBody = message.getEncryptedBody();
1174						String decryptedBody = message.getBody();
1175						message.setBody(pgpBody);
1176						message.setEncryption(Message.ENCRYPTION_PGP);
1177						if (message.edited()) {
1178							message.setBody(decryptedBody);
1179							message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1180							databaseBackend.updateMessage(message, message.getEditedId());
1181							updateConversationUi();
1182							return;
1183						} else {
1184							databaseBackend.createMessage(message);
1185							saveInDb = false;
1186							message.setBody(decryptedBody);
1187							message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1188						}
1189					}
1190					break;
1191				case Message.ENCRYPTION_OTR:
1192					if (!conversation.hasValidOtrSession() && message.getCounterpart() != null) {
1193						Log.d(Config.LOGTAG,account.getJid().toBareJid()+": create otr session without starting for "+message.getContact().getJid());
1194						conversation.startOtrSession(message.getCounterpart().getResourcepart(), false);
1195					}
1196					break;
1197				case Message.ENCRYPTION_AXOLOTL:
1198					message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1199					break;
1200			}
1201		}
1202
1203		if (resend) {
1204			if (packet != null && addToConversation) {
1205				if (account.getXmppConnection().getFeatures().sm()
1206						|| (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1207					markMessage(message, Message.STATUS_UNSEND);
1208				} else {
1209					markMessage(message, Message.STATUS_SEND);
1210				}
1211			}
1212		} else {
1213			if (addToConversation) {
1214				conversation.add(message);
1215			}
1216			if (message.getEncryption() == Message.ENCRYPTION_NONE || saveEncryptedMessages()) {
1217				if (saveInDb) {
1218					databaseBackend.createMessage(message);
1219				} else if (message.edited()) {
1220					databaseBackend.updateMessage(message, message.getEditedId());
1221				}
1222			}
1223			updateConversationUi();
1224		}
1225		if (packet != null) {
1226			if (delay) {
1227				mMessageGenerator.addDelay(packet, message.getTimeSent());
1228			}
1229			if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1230				if (this.sendChatStates()) {
1231					packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1232				}
1233			}
1234			sendMessagePacket(account, packet);
1235		}
1236	}
1237
1238	private void sendUnsentMessages(final Conversation conversation) {
1239		conversation.findWaitingMessages(new Conversation.OnMessageFound() {
1240
1241			@Override
1242			public void onMessageFound(Message message) {
1243				resendMessage(message, true);
1244			}
1245		});
1246	}
1247
1248	public void resendMessage(final Message message, final boolean delay) {
1249		sendMessage(message, true, delay);
1250	}
1251
1252	public void fetchRosterFromServer(final Account account) {
1253		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1254		if (!"".equals(account.getRosterVersion())) {
1255			Log.d(Config.LOGTAG, account.getJid().toBareJid()
1256					+ ": fetching roster version " + account.getRosterVersion());
1257		} else {
1258			Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": fetching roster");
1259		}
1260		iqPacket.query(Xmlns.ROSTER).setAttribute("ver", account.getRosterVersion());
1261		sendIqPacket(account, iqPacket, mIqParser);
1262	}
1263
1264	public void fetchBookmarks(final Account account) {
1265		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1266		final Element query = iqPacket.query("jabber:iq:private");
1267		query.addChild("storage", "storage:bookmarks");
1268		final OnIqPacketReceived callback = new OnIqPacketReceived() {
1269
1270			@Override
1271			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1272				if (packet.getType() == IqPacket.TYPE.RESULT) {
1273					final Element query = packet.query();
1274					final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1275					final Element storage = query.findChild("storage", "storage:bookmarks");
1276					final boolean autojoin = respectAutojoin();
1277					if (storage != null) {
1278						for (final Element item : storage.getChildren()) {
1279							if (item.getName().equals("conference")) {
1280								final Bookmark bookmark = Bookmark.parse(item, account);
1281								Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1282								if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1283									bookmark.setBookmarkName(old.getBookmarkName());
1284								}
1285								Conversation conversation = find(bookmark);
1286								if (conversation != null) {
1287									conversation.setBookmark(bookmark);
1288								} else if (bookmark.autojoin() && bookmark.getJid() != null && autojoin) {
1289									conversation = findOrCreateConversation(
1290											account, bookmark.getJid(), true);
1291									conversation.setBookmark(bookmark);
1292									joinMuc(conversation);
1293								}
1294							}
1295						}
1296					}
1297					account.setBookmarks(new ArrayList<>(bookmarks.values()));
1298				} else {
1299					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not fetch bookmarks");
1300				}
1301			}
1302		};
1303		sendIqPacket(account, iqPacket, callback);
1304	}
1305
1306	public void pushBookmarks(Account account) {
1307		Log.d(Config.LOGTAG, account.getJid().toBareJid()+": pushing bookmarks");
1308		IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1309		Element query = iqPacket.query("jabber:iq:private");
1310		Element storage = query.addChild("storage", "storage:bookmarks");
1311		for (Bookmark bookmark : account.getBookmarks()) {
1312			storage.addChild(bookmark);
1313		}
1314		sendIqPacket(account, iqPacket, mDefaultIqHandler);
1315	}
1316
1317	private void restoreFromDatabase() {
1318		synchronized (this.conversations) {
1319			final Map<String, Account> accountLookupTable = new Hashtable<>();
1320			for (Account account : this.accounts) {
1321				accountLookupTable.put(account.getUuid(), account);
1322			}
1323			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1324			for (Conversation conversation : this.conversations) {
1325				Account account = accountLookupTable.get(conversation.getAccountUuid());
1326				conversation.setAccount(account);
1327			}
1328			Runnable runnable = new Runnable() {
1329				@Override
1330				public void run() {
1331					Log.d(Config.LOGTAG, "restoring roster");
1332					for (Account account : accounts) {
1333						databaseBackend.readRoster(account.getRoster());
1334						account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1335					}
1336					getBitmapCache().evictAll();
1337					loadPhoneContacts();
1338					Log.d(Config.LOGTAG, "restoring messages");
1339					for (Conversation conversation : conversations) {
1340						conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1341						checkDeletedFiles(conversation);
1342						conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
1343
1344							@Override
1345							public void onMessageFound(Message message) {
1346								markMessage(message, Message.STATUS_WAITING);
1347							}
1348						});
1349						conversation.findUnreadMessages(new Conversation.OnMessageFound() {
1350							@Override
1351							public void onMessageFound(Message message) {
1352								mNotificationService.pushFromBacklog(message);
1353							}
1354						});
1355					}
1356					mNotificationService.finishBacklog(false);
1357					mRestoredFromDatabase = true;
1358					Log.d(Config.LOGTAG, "restored all messages");
1359					updateConversationUi();
1360				}
1361			};
1362			mDatabaseExecutor.execute(runnable);
1363		}
1364	}
1365
1366	public void loadPhoneContacts() {
1367		mContactMergerExecutor.execute(new Runnable() {
1368			@Override
1369			public void run() {
1370				PhoneHelper.loadPhoneContacts(XmppConnectionService.this, new OnPhoneContactsLoadedListener() {
1371					@Override
1372					public void onPhoneContactsLoaded(List<Bundle> phoneContacts) {
1373						Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1374						for (Account account : accounts) {
1375							List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts();
1376							for (Bundle phoneContact : phoneContacts) {
1377								Jid jid;
1378								try {
1379									jid = Jid.fromString(phoneContact.getString("jid"));
1380								} catch (final InvalidJidException e) {
1381									continue;
1382								}
1383								final Contact contact = account.getRoster().getContact(jid);
1384								String systemAccount = phoneContact.getInt("phoneid")
1385										+ "#"
1386										+ phoneContact.getString("lookup");
1387								contact.setSystemAccount(systemAccount);
1388								if (contact.setPhotoUri(phoneContact.getString("photouri"))) {
1389									getAvatarService().clear(contact);
1390								}
1391								contact.setSystemName(phoneContact.getString("displayname"));
1392								withSystemAccounts.remove(contact);
1393							}
1394							for (Contact contact : withSystemAccounts) {
1395								contact.setSystemAccount(null);
1396								contact.setSystemName(null);
1397								if (contact.setPhotoUri(null)) {
1398									getAvatarService().clear(contact);
1399								}
1400							}
1401						}
1402						Log.d(Config.LOGTAG, "finished merging phone contacts");
1403						updateAccountUi();
1404					}
1405				});
1406			}
1407		});
1408	}
1409
1410	public List<Conversation> getConversations() {
1411		return this.conversations;
1412	}
1413
1414	private void checkDeletedFiles(Conversation conversation) {
1415		conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
1416
1417			@Override
1418			public void onMessageFound(Message message) {
1419				if (!getFileBackend().isFileAvailable(message)) {
1420					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1421					final int s = message.getStatus();
1422					if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1423						markMessage(message, Message.STATUS_SEND_FAILED);
1424					}
1425				}
1426			}
1427		});
1428	}
1429
1430	private void markFileDeleted(final String path) {
1431		Log.d(Config.LOGTAG,"deleted file "+path);
1432		for (Conversation conversation : getConversations()) {
1433			conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
1434				@Override
1435				public void onMessageFound(Message message) {
1436					DownloadableFile file = fileBackend.getFile(message);
1437					if (file.getAbsolutePath().equals(path)) {
1438						if (!file.exists()) {
1439							message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1440							final int s = message.getStatus();
1441							if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1442								markMessage(message, Message.STATUS_SEND_FAILED);
1443							} else {
1444								updateConversationUi();
1445							}
1446						} else {
1447							Log.d(Config.LOGTAG,"found matching message for file "+path+" but file still exists");
1448						}
1449					}
1450				}
1451			});
1452		}
1453	}
1454
1455	public void populateWithOrderedConversations(final List<Conversation> list) {
1456		populateWithOrderedConversations(list, true);
1457	}
1458
1459	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1460		list.clear();
1461		if (includeNoFileUpload) {
1462			list.addAll(getConversations());
1463		} else {
1464			for (Conversation conversation : getConversations()) {
1465				if (conversation.getMode() == Conversation.MODE_SINGLE
1466						|| conversation.getAccount().httpUploadAvailable()) {
1467					list.add(conversation);
1468				}
1469			}
1470		}
1471		try {
1472			Collections.sort(list);
1473		} catch (IllegalArgumentException e) {
1474			//ignore
1475		}
1476	}
1477
1478	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1479		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1480			return;
1481		} else if (timestamp == 0) {
1482			return;
1483		}
1484		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1485		Runnable runnable = new Runnable() {
1486			@Override
1487			public void run() {
1488				final Account account = conversation.getAccount();
1489				List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1490				if (messages.size() > 0) {
1491					conversation.addAll(0, messages);
1492					checkDeletedFiles(conversation);
1493					callback.onMoreMessagesLoaded(messages.size(), conversation);
1494				} else if (conversation.hasMessagesLeftOnServer()
1495						&& account.isOnlineAndConnected()
1496						&& conversation.getLastClearHistory() == 0) {
1497					if ((conversation.getMode() == Conversation.MODE_SINGLE && account.getXmppConnection().getFeatures().mam())
1498							|| (conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().mamSupport())) {
1499						MessageArchiveService.Query query = getMessageArchiveService().query(conversation, 0, timestamp);
1500						if (query != null) {
1501							query.setCallback(callback);
1502						}
1503						callback.informUser(R.string.fetching_history_from_server);
1504					}
1505				}
1506			}
1507		};
1508		mDatabaseExecutor.execute(runnable);
1509	}
1510
1511	public List<Account> getAccounts() {
1512		return this.accounts;
1513	}
1514
1515	public List<Conversation> findAllConferencesWith(Contact contact) {
1516		ArrayList<Conversation> results = new ArrayList<>();
1517		for(Conversation conversation : conversations) {
1518			if (conversation.getMode() == Conversation.MODE_MULTI
1519					&& conversation.getMucOptions().isContactInRoom(contact)) {
1520				results.add(conversation);
1521			}
1522		}
1523		return results;
1524	}
1525
1526	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1527		for (final Conversation conversation : haystack) {
1528			if (conversation.getContact() == contact) {
1529				return conversation;
1530			}
1531		}
1532		return null;
1533	}
1534
1535	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1536		if (jid == null) {
1537			return null;
1538		}
1539		for (final Conversation conversation : haystack) {
1540			if ((account == null || conversation.getAccount() == account)
1541					&& (conversation.getJid().toBareJid().equals(jid.toBareJid()))) {
1542				return conversation;
1543			}
1544		}
1545		return null;
1546	}
1547
1548	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc) {
1549		return this.findOrCreateConversation(account, jid, muc, null);
1550	}
1551
1552	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final MessageArchiveService.Query query) {
1553		synchronized (this.conversations) {
1554			Conversation conversation = find(account, jid);
1555			if (conversation != null) {
1556				return conversation;
1557			}
1558			conversation = databaseBackend.findConversation(account, jid);
1559			if (conversation != null) {
1560				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1561				conversation.setAccount(account);
1562				if (muc) {
1563					conversation.setMode(Conversation.MODE_MULTI);
1564					conversation.setContactJid(jid);
1565				} else {
1566					conversation.setMode(Conversation.MODE_SINGLE);
1567					conversation.setContactJid(jid.toBareJid());
1568				}
1569				conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1570				this.databaseBackend.updateConversation(conversation);
1571			} else {
1572				String conversationName;
1573				Contact contact = account.getRoster().getContact(jid);
1574				if (contact != null) {
1575					conversationName = contact.getDisplayName();
1576				} else {
1577					conversationName = jid.getLocalpart();
1578				}
1579				if (muc) {
1580					conversation = new Conversation(conversationName, account, jid,
1581							Conversation.MODE_MULTI);
1582				} else {
1583					conversation = new Conversation(conversationName, account, jid.toBareJid(),
1584							Conversation.MODE_SINGLE);
1585				}
1586				this.databaseBackend.createConversation(conversation);
1587			}
1588			if (account.getXmppConnection() != null
1589					&& account.getXmppConnection().getFeatures().mam()
1590					&& !muc) {
1591				if (query == null) {
1592					this.mMessageArchiveService.query(conversation);
1593				} else {
1594					if (query.getConversation() == null) {
1595						this.mMessageArchiveService.query(conversation, query.getStart());
1596					}
1597				}
1598			}
1599			checkDeletedFiles(conversation);
1600			this.conversations.add(conversation);
1601			updateConversationUi();
1602			return conversation;
1603		}
1604	}
1605
1606	public void archiveConversation(Conversation conversation) {
1607		getNotificationService().clear(conversation);
1608		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1609		synchronized (this.conversations) {
1610			if (conversation.getMode() == Conversation.MODE_MULTI) {
1611				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1612					Bookmark bookmark = conversation.getBookmark();
1613					if (bookmark != null && bookmark.autojoin() && respectAutojoin()) {
1614						bookmark.setAutojoin(false);
1615						pushBookmarks(bookmark.getAccount());
1616					}
1617				}
1618				leaveMuc(conversation);
1619			} else {
1620				conversation.endOtrIfNeeded();
1621				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1622					Log.d(Config.LOGTAG, "Canceling presence request from " + conversation.getJid().toString());
1623					sendPresencePacket(
1624							conversation.getAccount(),
1625							mPresenceGenerator.stopPresenceUpdatesTo(conversation.getContact())
1626					);
1627				}
1628			}
1629			updateConversation(conversation);
1630			this.conversations.remove(conversation);
1631			updateConversationUi();
1632		}
1633	}
1634
1635	public void createAccount(final Account account) {
1636		account.initAccountServices(this);
1637		databaseBackend.createAccount(account);
1638		this.accounts.add(account);
1639		this.reconnectAccountInBackground(account);
1640		updateAccountUi();
1641	}
1642
1643	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
1644		new Thread(new Runnable() {
1645			@Override
1646			public void run() {
1647				try {
1648					X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1649					Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1650					if (findAccountByJid(info.first) == null) {
1651						Account account = new Account(info.first, "");
1652						account.setPrivateKeyAlias(alias);
1653						account.setOption(Account.OPTION_DISABLED, true);
1654						account.setDisplayName(info.second);
1655						createAccount(account);
1656						callback.onAccountCreated(account);
1657						if (Config.X509_VERIFICATION) {
1658							try {
1659								getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1660							} catch (CertificateException e) {
1661								callback.informUser(R.string.certificate_chain_is_not_trusted);
1662							}
1663						}
1664					} else {
1665						callback.informUser(R.string.account_already_exists);
1666					}
1667				} catch (Exception e) {
1668					e.printStackTrace();
1669					callback.informUser(R.string.unable_to_parse_certificate);
1670				}
1671			}
1672		}).start();
1673
1674	}
1675
1676	public void updateKeyInAccount(final Account account, final String alias) {
1677		Log.d(Config.LOGTAG, "update key in account " + alias);
1678		try {
1679			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1680			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1681			if (account.getJid().toBareJid().equals(info.first)) {
1682				account.setPrivateKeyAlias(alias);
1683				account.setDisplayName(info.second);
1684				databaseBackend.updateAccount(account);
1685				if (Config.X509_VERIFICATION) {
1686					try {
1687						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1688					} catch (CertificateException e) {
1689						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
1690					}
1691					account.getAxolotlService().regenerateKeys(true);
1692				}
1693			} else {
1694				showErrorToastInUi(R.string.jid_does_not_match_certificate);
1695			}
1696		} catch (Exception e) {
1697			e.printStackTrace();
1698		}
1699	}
1700
1701	public boolean updateAccount(final Account account) {
1702		if (databaseBackend.updateAccount(account)) {
1703			account.setShowErrorNotification(true);
1704			this.statusListener.onStatusChanged(account);
1705			databaseBackend.updateAccount(account);
1706			reconnectAccountInBackground(account);
1707			updateAccountUi();
1708			getNotificationService().updateErrorNotification();
1709			return true;
1710		} else {
1711			return false;
1712		}
1713	}
1714
1715	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1716		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1717		sendIqPacket(account, iq, new OnIqPacketReceived() {
1718			@Override
1719			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1720				if (packet.getType() == IqPacket.TYPE.RESULT) {
1721					account.setPassword(newPassword);
1722					account.setOption(Account.OPTION_MAGIC_CREATE, false);
1723					databaseBackend.updateAccount(account);
1724					callback.onPasswordChangeSucceeded();
1725				} else {
1726					callback.onPasswordChangeFailed();
1727				}
1728			}
1729		});
1730	}
1731
1732	public void deleteAccount(final Account account) {
1733		synchronized (this.conversations) {
1734			for (final Conversation conversation : conversations) {
1735				if (conversation.getAccount() == account) {
1736					if (conversation.getMode() == Conversation.MODE_MULTI) {
1737						leaveMuc(conversation);
1738					} else if (conversation.getMode() == Conversation.MODE_SINGLE) {
1739						conversation.endOtrIfNeeded();
1740					}
1741					conversations.remove(conversation);
1742				}
1743			}
1744			if (account.getXmppConnection() != null) {
1745				new Thread(new Runnable() {
1746					@Override
1747					public void run() {
1748						disconnect(account, true);
1749					}
1750				}).start();
1751			}
1752			Runnable runnable = new Runnable() {
1753				@Override
1754				public void run() {
1755					if (!databaseBackend.deleteAccount(account)) {
1756						Log.d(Config.LOGTAG,account.getJid().toBareJid()+": unable to delete account");
1757					}
1758				}
1759			};
1760			mDatabaseExecutor.execute(runnable);
1761			this.accounts.remove(account);
1762			updateAccountUi();
1763			getNotificationService().updateErrorNotification();
1764		}
1765	}
1766
1767	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
1768		synchronized (this) {
1769			this.mLastActivity = System.currentTimeMillis();
1770			if (checkListeners()) {
1771				switchToForeground();
1772			}
1773			this.mOnConversationUpdate = listener;
1774			this.mNotificationService.setIsInForeground(true);
1775			if (this.convChangedListenerCount < 2) {
1776				this.convChangedListenerCount++;
1777			}
1778		}
1779	}
1780
1781	public void removeOnConversationListChangedListener() {
1782		synchronized (this) {
1783			this.convChangedListenerCount--;
1784			if (this.convChangedListenerCount <= 0) {
1785				this.convChangedListenerCount = 0;
1786				this.mOnConversationUpdate = null;
1787				this.mNotificationService.setIsInForeground(false);
1788				if (checkListeners()) {
1789					switchToBackground();
1790				}
1791			}
1792		}
1793	}
1794
1795	public void setOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
1796		synchronized (this) {
1797			if (checkListeners()) {
1798				switchToForeground();
1799			}
1800			this.mOnShowErrorToast = onShowErrorToast;
1801			if (this.showErrorToastListenerCount < 2) {
1802				this.showErrorToastListenerCount++;
1803			}
1804		}
1805		this.mOnShowErrorToast = onShowErrorToast;
1806	}
1807
1808	public void removeOnShowErrorToastListener() {
1809		synchronized (this) {
1810			this.showErrorToastListenerCount--;
1811			if (this.showErrorToastListenerCount <= 0) {
1812				this.showErrorToastListenerCount = 0;
1813				this.mOnShowErrorToast = null;
1814				if (checkListeners()) {
1815					switchToBackground();
1816				}
1817			}
1818		}
1819	}
1820
1821	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
1822		synchronized (this) {
1823			if (checkListeners()) {
1824				switchToForeground();
1825			}
1826			this.mOnAccountUpdate = listener;
1827			if (this.accountChangedListenerCount < 2) {
1828				this.accountChangedListenerCount++;
1829			}
1830		}
1831	}
1832
1833	public void removeOnAccountListChangedListener() {
1834		synchronized (this) {
1835			this.accountChangedListenerCount--;
1836			if (this.accountChangedListenerCount <= 0) {
1837				this.mOnAccountUpdate = null;
1838				this.accountChangedListenerCount = 0;
1839				if (checkListeners()) {
1840					switchToBackground();
1841				}
1842			}
1843		}
1844	}
1845
1846	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
1847		synchronized (this) {
1848			if (checkListeners()) {
1849				switchToForeground();
1850			}
1851			this.mOnCaptchaRequested = listener;
1852			if (this.captchaRequestedListenerCount < 2) {
1853				this.captchaRequestedListenerCount++;
1854			}
1855		}
1856	}
1857
1858	public void removeOnCaptchaRequestedListener() {
1859		synchronized (this) {
1860			this.captchaRequestedListenerCount--;
1861			if (this.captchaRequestedListenerCount <= 0) {
1862				this.mOnCaptchaRequested = null;
1863				this.captchaRequestedListenerCount = 0;
1864				if (checkListeners()) {
1865					switchToBackground();
1866				}
1867			}
1868		}
1869	}
1870
1871	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
1872		synchronized (this) {
1873			if (checkListeners()) {
1874				switchToForeground();
1875			}
1876			this.mOnRosterUpdate = listener;
1877			if (this.rosterChangedListenerCount < 2) {
1878				this.rosterChangedListenerCount++;
1879			}
1880		}
1881	}
1882
1883	public void removeOnRosterUpdateListener() {
1884		synchronized (this) {
1885			this.rosterChangedListenerCount--;
1886			if (this.rosterChangedListenerCount <= 0) {
1887				this.rosterChangedListenerCount = 0;
1888				this.mOnRosterUpdate = null;
1889				if (checkListeners()) {
1890					switchToBackground();
1891				}
1892			}
1893		}
1894	}
1895
1896	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
1897		synchronized (this) {
1898			if (checkListeners()) {
1899				switchToForeground();
1900			}
1901			this.mOnUpdateBlocklist = listener;
1902			if (this.updateBlocklistListenerCount < 2) {
1903				this.updateBlocklistListenerCount++;
1904			}
1905		}
1906	}
1907
1908	public void removeOnUpdateBlocklistListener() {
1909		synchronized (this) {
1910			this.updateBlocklistListenerCount--;
1911			if (this.updateBlocklistListenerCount <= 0) {
1912				this.updateBlocklistListenerCount = 0;
1913				this.mOnUpdateBlocklist = null;
1914				if (checkListeners()) {
1915					switchToBackground();
1916				}
1917			}
1918		}
1919	}
1920
1921	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
1922		synchronized (this) {
1923			if (checkListeners()) {
1924				switchToForeground();
1925			}
1926			this.mOnKeyStatusUpdated = listener;
1927			if (this.keyStatusUpdatedListenerCount < 2) {
1928				this.keyStatusUpdatedListenerCount++;
1929			}
1930		}
1931	}
1932
1933	public void removeOnNewKeysAvailableListener() {
1934		synchronized (this) {
1935			this.keyStatusUpdatedListenerCount--;
1936			if (this.keyStatusUpdatedListenerCount <= 0) {
1937				this.keyStatusUpdatedListenerCount = 0;
1938				this.mOnKeyStatusUpdated = null;
1939				if (checkListeners()) {
1940					switchToBackground();
1941				}
1942			}
1943		}
1944	}
1945
1946	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
1947		synchronized (this) {
1948			if (checkListeners()) {
1949				switchToForeground();
1950			}
1951			this.mOnMucRosterUpdate = listener;
1952			if (this.mucRosterChangedListenerCount < 2) {
1953				this.mucRosterChangedListenerCount++;
1954			}
1955		}
1956	}
1957
1958	public void removeOnMucRosterUpdateListener() {
1959		synchronized (this) {
1960			this.mucRosterChangedListenerCount--;
1961			if (this.mucRosterChangedListenerCount <= 0) {
1962				this.mucRosterChangedListenerCount = 0;
1963				this.mOnMucRosterUpdate = null;
1964				if (checkListeners()) {
1965					switchToBackground();
1966				}
1967			}
1968		}
1969	}
1970
1971	public boolean checkListeners() {
1972		return (this.mOnAccountUpdate == null
1973				&& this.mOnConversationUpdate == null
1974				&& this.mOnRosterUpdate == null
1975				&& this.mOnCaptchaRequested == null
1976				&& this.mOnUpdateBlocklist == null
1977				&& this.mOnShowErrorToast == null
1978				&& this.mOnKeyStatusUpdated == null);
1979	}
1980
1981	private void switchToForeground() {
1982		final boolean broadcastLastActivity = broadcastLastActivity();
1983		for (Conversation conversation : getConversations()) {
1984			conversation.setIncomingChatState(ChatState.ACTIVE);
1985		}
1986		for (Account account : getAccounts()) {
1987			if (account.getStatus() == Account.State.ONLINE) {
1988				account.deactivateGracePeriod();
1989				final XmppConnection connection = account.getXmppConnection();
1990				if (connection != null ) {
1991					if (connection.getFeatures().csi()) {
1992						connection.sendActive();
1993					}
1994					if (broadcastLastActivity) {
1995						sendPresence(account, false); //send new presence but don't include idle because we are not
1996					}
1997				}
1998			}
1999		}
2000		Log.d(Config.LOGTAG, "app switched into foreground");
2001	}
2002
2003	private void switchToBackground() {
2004		final boolean broadcastLastActivity = broadcastLastActivity();
2005		for (Account account : getAccounts()) {
2006			if (account.getStatus() == Account.State.ONLINE) {
2007				XmppConnection connection = account.getXmppConnection();
2008				if (connection != null) {
2009					if (broadcastLastActivity) {
2010						sendPresence(account, broadcastLastActivity);
2011					}
2012					if (connection.getFeatures().csi()) {
2013						connection.sendInactive();
2014					}
2015					if (Config.PUSH_MODE && mPushManagementService.available(account)) {
2016						connection.waitForPush();
2017						cancelWakeUpCall(account.getUuid().hashCode());
2018					}
2019				}
2020			}
2021		}
2022		this.mNotificationService.setIsInForeground(false);
2023		Log.d(Config.LOGTAG, "app switched into background");
2024	}
2025
2026	private void connectMultiModeConversations(Account account) {
2027		List<Conversation> conversations = getConversations();
2028		for (Conversation conversation : conversations) {
2029			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2030				joinMuc(conversation);
2031			}
2032		}
2033	}
2034
2035	public void joinMuc(Conversation conversation) {
2036		joinMuc(conversation, null);
2037	}
2038
2039	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2040		Account account = conversation.getAccount();
2041		account.pendingConferenceJoins.remove(conversation);
2042		account.pendingConferenceLeaves.remove(conversation);
2043		if (account.getStatus() == Account.State.ONLINE) {
2044			conversation.resetMucOptions();
2045			if (onConferenceJoined != null) {
2046				conversation.getMucOptions().flagNoAutoPushConfiguration();
2047			}
2048			conversation.setHasMessagesLeftOnServer(false);
2049			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2050
2051				private void join(Conversation conversation) {
2052					Account account = conversation.getAccount();
2053					final MucOptions mucOptions = conversation.getMucOptions();
2054					final Jid joinJid = mucOptions.getSelf().getFullJid();
2055					Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": joining conversation " + joinJid.toString());
2056					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
2057					packet.setTo(joinJid);
2058					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2059					if (conversation.getMucOptions().getPassword() != null) {
2060						x.addChild("password").setContent(mucOptions.getPassword());
2061					}
2062
2063					if (mucOptions.mamSupport()) {
2064						// Use MAM instead of the limited muc history to get history
2065						x.addChild("history").setAttribute("maxchars", "0");
2066					} else {
2067						// Fallback to muc history
2068						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted()));
2069					}
2070					sendPresencePacket(account, packet);
2071					if (onConferenceJoined != null) {
2072						onConferenceJoined.onConferenceJoined(conversation);
2073					}
2074					if (!joinJid.equals(conversation.getJid())) {
2075						conversation.setContactJid(joinJid);
2076						databaseBackend.updateConversation(conversation);
2077					}
2078
2079					if (mucOptions.mamSupport()) {
2080						getMessageArchiveService().catchupMUC(conversation);
2081					}
2082					if (mucOptions.membersOnly() && mucOptions.nonanonymous()) {
2083						fetchConferenceMembers(conversation);
2084					}
2085					sendUnsentMessages(conversation);
2086				}
2087
2088				@Override
2089				public void onConferenceConfigurationFetched(Conversation conversation) {
2090					join(conversation);
2091				}
2092
2093				@Override
2094				public void onFetchFailed(final Conversation conversation, Element error) {
2095					if (error != null && "remote-server-not-found".equals(error.getName())) {
2096						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2097					} else {
2098						join(conversation);
2099						fetchConferenceConfiguration(conversation);
2100					}
2101				}
2102			});
2103			updateConversationUi();
2104		} else {
2105			account.pendingConferenceJoins.add(conversation);
2106			conversation.resetMucOptions();
2107			conversation.setHasMessagesLeftOnServer(false);
2108			updateConversationUi();
2109		}
2110	}
2111
2112	private void fetchConferenceMembers(final Conversation conversation) {
2113		final Account account = conversation.getAccount();
2114		final String[] affiliations = {"member","admin","owner"};
2115		OnIqPacketReceived callback = new OnIqPacketReceived() {
2116
2117			private int i = 0;
2118
2119			@Override
2120			public void onIqPacketReceived(Account account, IqPacket packet) {
2121
2122				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2123				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2124					for(Element child : query.getChildren()) {
2125						if ("item".equals(child.getName())) {
2126							MucOptions.User user = AbstractParser.parseItem(conversation,child);
2127							if (!user.realJidMatchesAccount()) {
2128								conversation.getMucOptions().addUser(user);
2129								getAvatarService().clear(conversation);
2130								updateMucRosterUi();
2131								updateConversationUi();
2132							}
2133						}
2134					}
2135				} else {
2136					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could not request affiliation "+affiliations[i]+" in "+conversation.getJid().toBareJid());
2137				}
2138				++i;
2139				if (i >= affiliations.length) {
2140					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": retrieved members for "+conversation.getJid().toBareJid()+": "+conversation.getMucOptions().getMembers());
2141				}
2142			}
2143		};
2144		for(String affiliation : affiliations) {
2145			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2146		}
2147		Log.d(Config.LOGTAG,account.getJid().toBareJid()+": fetching members for "+conversation.getName());
2148	}
2149
2150	public void providePasswordForMuc(Conversation conversation, String password) {
2151		if (conversation.getMode() == Conversation.MODE_MULTI) {
2152			conversation.getMucOptions().setPassword(password);
2153			if (conversation.getBookmark() != null) {
2154				if (respectAutojoin()) {
2155					conversation.getBookmark().setAutojoin(true);
2156				}
2157				pushBookmarks(conversation.getAccount());
2158			}
2159			updateConversation(conversation);
2160			joinMuc(conversation);
2161		}
2162	}
2163
2164	public void renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2165		final MucOptions options = conversation.getMucOptions();
2166		final Jid joinJid = options.createJoinJid(nick);
2167		if (options.online()) {
2168			Account account = conversation.getAccount();
2169			options.setOnRenameListener(new OnRenameListener() {
2170
2171				@Override
2172				public void onSuccess() {
2173					conversation.setContactJid(joinJid);
2174					databaseBackend.updateConversation(conversation);
2175					Bookmark bookmark = conversation.getBookmark();
2176					if (bookmark != null) {
2177						bookmark.setNick(nick);
2178						pushBookmarks(bookmark.getAccount());
2179					}
2180					callback.success(conversation);
2181				}
2182
2183				@Override
2184				public void onFailure() {
2185					callback.error(R.string.nick_in_use, conversation);
2186				}
2187			});
2188
2189			PresencePacket packet = new PresencePacket();
2190			packet.setTo(joinJid);
2191			packet.setFrom(conversation.getAccount().getJid());
2192
2193			String sig = account.getPgpSignature();
2194			if (sig != null) {
2195				packet.addChild("status").setContent("online");
2196				packet.addChild("x", "jabber:x:signed").setContent(sig);
2197			}
2198			sendPresencePacket(account, packet);
2199		} else {
2200			conversation.setContactJid(joinJid);
2201			databaseBackend.updateConversation(conversation);
2202			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2203				Bookmark bookmark = conversation.getBookmark();
2204				if (bookmark != null) {
2205					bookmark.setNick(nick);
2206					pushBookmarks(bookmark.getAccount());
2207				}
2208				joinMuc(conversation);
2209			}
2210		}
2211	}
2212
2213	public void leaveMuc(Conversation conversation) {
2214		leaveMuc(conversation, false);
2215	}
2216
2217	private void leaveMuc(Conversation conversation, boolean now) {
2218		Account account = conversation.getAccount();
2219		account.pendingConferenceJoins.remove(conversation);
2220		account.pendingConferenceLeaves.remove(conversation);
2221		if (account.getStatus() == Account.State.ONLINE || now) {
2222			PresencePacket packet = new PresencePacket();
2223			packet.setTo(conversation.getMucOptions().getSelf().getFullJid());
2224			packet.setFrom(conversation.getAccount().getJid());
2225			packet.setAttribute("type", "unavailable");
2226			sendPresencePacket(conversation.getAccount(), packet);
2227			conversation.getMucOptions().setOffline();
2228			conversation.deregisterWithBookmark();
2229			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid()
2230					+ ": leaving muc " + conversation.getJid());
2231		} else {
2232			account.pendingConferenceLeaves.add(conversation);
2233		}
2234	}
2235
2236	private String findConferenceServer(final Account account) {
2237		String server;
2238		if (account.getXmppConnection() != null) {
2239			server = account.getXmppConnection().getMucServer();
2240			if (server != null) {
2241				return server;
2242			}
2243		}
2244		for (Account other : getAccounts()) {
2245			if (other != account && other.getXmppConnection() != null) {
2246				server = other.getXmppConnection().getMucServer();
2247				if (server != null) {
2248					return server;
2249				}
2250			}
2251		}
2252		return null;
2253	}
2254
2255	public void createAdhocConference(final Account account,
2256									  final String subject,
2257									  final Iterable<Jid> jids,
2258									  final UiCallback<Conversation> callback) {
2259		Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2260		if (account.getStatus() == Account.State.ONLINE) {
2261			try {
2262				String server = findConferenceServer(account);
2263				if (server == null) {
2264					if (callback != null) {
2265						callback.error(R.string.no_conference_server_found, null);
2266					}
2267					return;
2268				}
2269				final Jid jid = Jid.fromParts(new BigInteger(64, getRNG()).toString(Character.MAX_RADIX), server, null);
2270				final Conversation conversation = findOrCreateConversation(account, jid, true);
2271				joinMuc(conversation, new OnConferenceJoined() {
2272					@Override
2273					public void onConferenceJoined(final Conversation conversation) {
2274						pushConferenceConfiguration(conversation, IqGenerator.defaultRoomConfiguration(), new OnConferenceOptionsPushed() {
2275							@Override
2276							public void onPushSucceeded() {
2277								if (subject != null && !subject.trim().isEmpty()) {
2278									pushSubjectToConference(conversation, subject.trim());
2279								}
2280								for (Jid invite : jids) {
2281									invite(conversation, invite);
2282								}
2283								if (account.countPresences() > 1) {
2284									directInvite(conversation, account.getJid().toBareJid());
2285								}
2286								saveConversationAsBookmark(conversation, subject);
2287								if (callback != null) {
2288									callback.success(conversation);
2289								}
2290							}
2291
2292							@Override
2293							public void onPushFailed() {
2294								archiveConversation(conversation);
2295								if (callback != null) {
2296									callback.error(R.string.conference_creation_failed, conversation);
2297								}
2298							}
2299						});
2300					}
2301				});
2302			} catch (InvalidJidException e) {
2303				if (callback != null) {
2304					callback.error(R.string.conference_creation_failed, null);
2305				}
2306			}
2307		} else {
2308			if (callback != null) {
2309				callback.error(R.string.not_connected_try_again, null);
2310			}
2311		}
2312	}
2313
2314	public void fetchConferenceConfiguration(final Conversation conversation) {
2315		fetchConferenceConfiguration(conversation, null);
2316	}
2317
2318	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
2319		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2320		request.setTo(conversation.getJid().toBareJid());
2321		request.query("http://jabber.org/protocol/disco#info");
2322		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2323			@Override
2324			public void onIqPacketReceived(Account account, IqPacket packet) {
2325				Element query = packet.findChild("query","http://jabber.org/protocol/disco#info");
2326				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2327					ArrayList<String> features = new ArrayList<>();
2328					for (Element child : query.getChildren()) {
2329						if (child != null && child.getName().equals("feature")) {
2330							String var = child.getAttribute("var");
2331							if (var != null) {
2332								features.add(var);
2333							}
2334						}
2335					}
2336					Element form = query.findChild("x", "jabber:x:data");
2337					if (form != null) {
2338						conversation.getMucOptions().updateFormData(Data.parse(form));
2339					}
2340					conversation.getMucOptions().updateFeatures(features);
2341					if (callback != null) {
2342						callback.onConferenceConfigurationFetched(conversation);
2343					}
2344					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": fetched muc configuration for "+conversation.getJid().toBareJid()+" - "+features.toString());
2345					updateConversationUi();
2346				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
2347					if (callback != null) {
2348						callback.onFetchFailed(conversation, packet.getError());
2349					}
2350				}
2351			}
2352		});
2353	}
2354
2355	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConferenceOptionsPushed callback) {
2356		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2357		request.setTo(conversation.getJid().toBareJid());
2358		request.query("http://jabber.org/protocol/muc#owner");
2359		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2360			@Override
2361			public void onIqPacketReceived(Account account, IqPacket packet) {
2362				if (packet.getType() == IqPacket.TYPE.RESULT) {
2363					Data data = Data.parse(packet.query().findChild("x", "jabber:x:data"));
2364					for (Field field : data.getFields()) {
2365						if (options.containsKey(field.getFieldName())) {
2366							field.setValue(options.getString(field.getFieldName()));
2367						}
2368					}
2369					data.submit();
2370					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
2371					set.setTo(conversation.getJid().toBareJid());
2372					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
2373					sendIqPacket(account, set, new OnIqPacketReceived() {
2374						@Override
2375						public void onIqPacketReceived(Account account, IqPacket packet) {
2376							if (callback != null) {
2377								if (packet.getType() == IqPacket.TYPE.RESULT) {
2378									callback.onPushSucceeded();
2379								} else {
2380									callback.onPushFailed();
2381								}
2382							}
2383						}
2384					});
2385				} else {
2386					if (callback != null) {
2387						callback.onPushFailed();
2388					}
2389				}
2390			}
2391		});
2392	}
2393
2394	public void pushSubjectToConference(final Conversation conference, final String subject) {
2395		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, subject);
2396		this.sendMessagePacket(conference.getAccount(), packet);
2397		final MucOptions mucOptions = conference.getMucOptions();
2398		final MucOptions.User self = mucOptions.getSelf();
2399		if (!mucOptions.persistent() && self.getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
2400			Bundle options = new Bundle();
2401			options.putString("muc#roomconfig_persistentroom", "1");
2402			this.pushConferenceConfiguration(conference, options, null);
2403		}
2404	}
2405
2406	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
2407		final Jid jid = user.toBareJid();
2408		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
2409		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2410			@Override
2411			public void onIqPacketReceived(Account account, IqPacket packet) {
2412				if (packet.getType() == IqPacket.TYPE.RESULT) {
2413					conference.getMucOptions().changeAffiliation(jid, affiliation);
2414					getAvatarService().clear(conference);
2415					callback.onAffiliationChangedSuccessful(jid);
2416				} else {
2417					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
2418				}
2419			}
2420		});
2421	}
2422
2423	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
2424		List<Jid> jids = new ArrayList<>();
2425		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
2426			if (user.getAffiliation() == before && user.getRealJid() != null) {
2427				jids.add(user.getRealJid());
2428			}
2429		}
2430		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
2431		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
2432	}
2433
2434	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
2435		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
2436		Log.d(Config.LOGTAG, request.toString());
2437		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2438			@Override
2439			public void onIqPacketReceived(Account account, IqPacket packet) {
2440				Log.d(Config.LOGTAG, packet.toString());
2441				if (packet.getType() == IqPacket.TYPE.RESULT) {
2442					callback.onRoleChangedSuccessful(nick);
2443				} else {
2444					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
2445				}
2446			}
2447		});
2448	}
2449
2450	private void disconnect(Account account, boolean force) {
2451		if ((account.getStatus() == Account.State.ONLINE)
2452				|| (account.getStatus() == Account.State.DISABLED)) {
2453			final XmppConnection connection = account.getXmppConnection();
2454			if (!force) {
2455				List<Conversation> conversations = getConversations();
2456				for (Conversation conversation : conversations) {
2457					if (conversation.getAccount() == account) {
2458						if (conversation.getMode() == Conversation.MODE_MULTI) {
2459							leaveMuc(conversation, true);
2460						} else {
2461							if (conversation.endOtrIfNeeded()) {
2462								Log.d(Config.LOGTAG, account.getJid().toBareJid()
2463										+ ": ended otr session with "
2464										+ conversation.getJid());
2465							}
2466						}
2467					}
2468				}
2469				sendOfflinePresence(account);
2470			}
2471			connection.disconnect(force);
2472		}
2473	}
2474
2475	@Override
2476	public IBinder onBind(Intent intent) {
2477		return mBinder;
2478	}
2479
2480	public void updateMessage(Message message) {
2481		databaseBackend.updateMessage(message);
2482		updateConversationUi();
2483	}
2484
2485	public void updateMessage(Message message, String uuid) {
2486		databaseBackend.updateMessage(message, uuid);
2487		updateConversationUi();
2488	}
2489
2490	protected void syncDirtyContacts(Account account) {
2491		for (Contact contact : account.getRoster().getContacts()) {
2492			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
2493				pushContactToServer(contact);
2494			}
2495			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
2496				deleteContactOnServer(contact);
2497			}
2498		}
2499	}
2500
2501	public void createContact(Contact contact) {
2502		boolean autoGrant = getPreferences().getBoolean("grant_new_contacts", true);
2503		if (autoGrant) {
2504			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
2505			contact.setOption(Contact.Options.ASKING);
2506		}
2507		pushContactToServer(contact);
2508	}
2509
2510	public void onOtrSessionEstablished(Conversation conversation) {
2511		final Account account = conversation.getAccount();
2512		final Session otrSession = conversation.getOtrSession();
2513		Log.d(Config.LOGTAG,
2514				account.getJid().toBareJid() + " otr session established with "
2515						+ conversation.getJid() + "/"
2516						+ otrSession.getSessionID().getUserID());
2517		conversation.findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR, new Conversation.OnMessageFound() {
2518
2519			@Override
2520			public void onMessageFound(Message message) {
2521				SessionID id = otrSession.getSessionID();
2522				try {
2523					message.setCounterpart(Jid.fromString(id.getAccountID() + "/" + id.getUserID()));
2524				} catch (InvalidJidException e) {
2525					return;
2526				}
2527				if (message.needsUploading()) {
2528					mJingleConnectionManager.createNewConnection(message);
2529				} else {
2530					MessagePacket outPacket = mMessageGenerator.generateOtrChat(message);
2531					if (outPacket != null) {
2532						mMessageGenerator.addDelay(outPacket, message.getTimeSent());
2533						message.setStatus(Message.STATUS_SEND);
2534						databaseBackend.updateMessage(message);
2535						sendMessagePacket(account, outPacket);
2536					}
2537				}
2538				updateConversationUi();
2539			}
2540		});
2541	}
2542
2543	public boolean renewSymmetricKey(Conversation conversation) {
2544		Account account = conversation.getAccount();
2545		byte[] symmetricKey = new byte[32];
2546		this.mRandom.nextBytes(symmetricKey);
2547		Session otrSession = conversation.getOtrSession();
2548		if (otrSession != null) {
2549			MessagePacket packet = new MessagePacket();
2550			packet.setType(MessagePacket.TYPE_CHAT);
2551			packet.setFrom(account.getJid());
2552			MessageGenerator.addMessageHints(packet);
2553			packet.setAttribute("to", otrSession.getSessionID().getAccountID() + "/"
2554					+ otrSession.getSessionID().getUserID());
2555			try {
2556				packet.setBody(otrSession
2557						.transformSending(CryptoHelper.FILETRANSFER
2558								+ CryptoHelper.bytesToHex(symmetricKey))[0]);
2559				sendMessagePacket(account, packet);
2560				conversation.setSymmetricKey(symmetricKey);
2561				return true;
2562			} catch (OtrException e) {
2563				return false;
2564			}
2565		}
2566		return false;
2567	}
2568
2569	public void pushContactToServer(final Contact contact) {
2570		contact.resetOption(Contact.Options.DIRTY_DELETE);
2571		contact.setOption(Contact.Options.DIRTY_PUSH);
2572		final Account account = contact.getAccount();
2573		if (account.getStatus() == Account.State.ONLINE) {
2574			final boolean ask = contact.getOption(Contact.Options.ASKING);
2575			final boolean sendUpdates = contact
2576					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
2577					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
2578			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2579			iq.query(Xmlns.ROSTER).addChild(contact.asElement());
2580			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2581			if (sendUpdates) {
2582				sendPresencePacket(account,
2583						mPresenceGenerator.sendPresenceUpdatesTo(contact));
2584			}
2585			if (ask) {
2586				sendPresencePacket(account,
2587						mPresenceGenerator.requestPresenceUpdatesFrom(contact));
2588			}
2589		}
2590	}
2591
2592	public void publishAvatar(Account account, Uri image, UiCallback<Avatar> callback) {
2593		final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2594		final int size = Config.AVATAR_SIZE;
2595		final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2596		if (avatar != null) {
2597			avatar.height = size;
2598			avatar.width = size;
2599			if (format.equals(Bitmap.CompressFormat.WEBP)) {
2600				avatar.type = "image/webp";
2601			} else if (format.equals(Bitmap.CompressFormat.JPEG)) {
2602				avatar.type = "image/jpeg";
2603			} else if (format.equals(Bitmap.CompressFormat.PNG)) {
2604				avatar.type = "image/png";
2605			}
2606			if (!getFileBackend().save(avatar)) {
2607				callback.error(R.string.error_saving_avatar, avatar);
2608				return;
2609			}
2610			publishAvatar(account, avatar, callback);
2611		} else {
2612			callback.error(R.string.error_publish_avatar_converting, null);
2613		}
2614	}
2615
2616	public void publishAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2617		final IqPacket packet = this.mIqGenerator.publishAvatar(avatar);
2618		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2619
2620			@Override
2621			public void onIqPacketReceived(Account account, IqPacket result) {
2622				if (result.getType() == IqPacket.TYPE.RESULT) {
2623					final IqPacket packet = XmppConnectionService.this.mIqGenerator
2624							.publishAvatarMetadata(avatar);
2625					sendIqPacket(account, packet, new OnIqPacketReceived() {
2626						@Override
2627						public void onIqPacketReceived(Account account, IqPacket result) {
2628							if (result.getType() == IqPacket.TYPE.RESULT) {
2629								if (account.setAvatar(avatar.getFilename())) {
2630									getAvatarService().clear(account);
2631									databaseBackend.updateAccount(account);
2632								}
2633								if (callback != null) {
2634									callback.success(avatar);
2635								} else {
2636									Log.d(Config.LOGTAG,account.getJid().toBareJid()+": published avatar");
2637								}
2638							} else {
2639								if (callback != null) {
2640									callback.error(
2641											R.string.error_publish_avatar_server_reject,
2642											avatar);
2643								}
2644							}
2645						}
2646					});
2647				} else {
2648					if (callback != null) {
2649						callback.error(
2650								R.string.error_publish_avatar_server_reject,
2651								avatar);
2652					}
2653				}
2654			}
2655		});
2656	}
2657
2658	public void republishAvatarIfNeeded(Account account) {
2659		if (account.getAxolotlService().isPepBroken()) {
2660			Log.d(Config.LOGTAG,account.getJid().toBareJid()+": skipping republication of avatar because pep is broken");
2661			return;
2662		}
2663		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2664		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2665
2666			private Avatar parseAvatar(IqPacket packet) {
2667				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
2668				if (pubsub != null) {
2669					Element items = pubsub.findChild("items");
2670					if (items != null) {
2671						return Avatar.parseMetadata(items);
2672					}
2673				}
2674				return null;
2675			}
2676
2677			private boolean errorIsItemNotFound(IqPacket packet) {
2678				Element error = packet.findChild("error");
2679				return packet.getType() == IqPacket.TYPE.ERROR
2680						&& error != null
2681						&& error.hasChild("item-not-found");
2682			}
2683
2684			@Override
2685			public void onIqPacketReceived(Account account, IqPacket packet) {
2686				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
2687					Avatar serverAvatar = parseAvatar(packet);
2688					if (serverAvatar == null && account.getAvatar() != null) {
2689						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
2690						if (avatar != null) {
2691							Log.d(Config.LOGTAG,account.getJid().toBareJid()+": avatar on server was null. republishing");
2692							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
2693						} else {
2694							Log.e(Config.LOGTAG, account.getJid().toBareJid()+": error rereading avatar");
2695						}
2696					}
2697				}
2698			}
2699		});
2700	}
2701
2702	public void fetchAvatar(Account account, Avatar avatar) {
2703		fetchAvatar(account, avatar, null);
2704	}
2705
2706	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2707		final String KEY = generateFetchKey(account, avatar);
2708		synchronized (this.mInProgressAvatarFetches) {
2709			if (!this.mInProgressAvatarFetches.contains(KEY)) {
2710				switch (avatar.origin) {
2711					case PEP:
2712						this.mInProgressAvatarFetches.add(KEY);
2713						fetchAvatarPep(account, avatar, callback);
2714						break;
2715					case VCARD:
2716						this.mInProgressAvatarFetches.add(KEY);
2717						fetchAvatarVcard(account, avatar, callback);
2718						break;
2719				}
2720			}
2721		}
2722	}
2723
2724	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2725		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
2726		sendIqPacket(account, packet, new OnIqPacketReceived() {
2727
2728			@Override
2729			public void onIqPacketReceived(Account account, IqPacket result) {
2730				synchronized (mInProgressAvatarFetches) {
2731					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2732				}
2733				final String ERROR = account.getJid().toBareJid()
2734						+ ": fetching avatar for " + avatar.owner + " failed ";
2735				if (result.getType() == IqPacket.TYPE.RESULT) {
2736					avatar.image = mIqParser.avatarData(result);
2737					if (avatar.image != null) {
2738						if (getFileBackend().save(avatar)) {
2739							if (account.getJid().toBareJid().equals(avatar.owner)) {
2740								if (account.setAvatar(avatar.getFilename())) {
2741									databaseBackend.updateAccount(account);
2742								}
2743								getAvatarService().clear(account);
2744								updateConversationUi();
2745								updateAccountUi();
2746							} else {
2747								Contact contact = account.getRoster()
2748										.getContact(avatar.owner);
2749								contact.setAvatar(avatar);
2750								getAvatarService().clear(contact);
2751								updateConversationUi();
2752								updateRosterUi();
2753							}
2754							if (callback != null) {
2755								callback.success(avatar);
2756							}
2757							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2758									+ ": successfully fetched pep avatar for " + avatar.owner);
2759							return;
2760						}
2761					} else {
2762
2763						Log.d(Config.LOGTAG, ERROR + "(parsing error)");
2764					}
2765				} else {
2766					Element error = result.findChild("error");
2767					if (error == null) {
2768						Log.d(Config.LOGTAG, ERROR + "(server error)");
2769					} else {
2770						Log.d(Config.LOGTAG, ERROR + error.toString());
2771					}
2772				}
2773				if (callback != null) {
2774					callback.error(0, null);
2775				}
2776
2777			}
2778		});
2779	}
2780
2781	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2782		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
2783		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2784			@Override
2785			public void onIqPacketReceived(Account account, IqPacket packet) {
2786				synchronized (mInProgressAvatarFetches) {
2787					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2788				}
2789				if (packet.getType() == IqPacket.TYPE.RESULT) {
2790					Element vCard = packet.findChild("vCard", "vcard-temp");
2791					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
2792					String image = photo != null ? photo.findChildContent("BINVAL") : null;
2793					if (image != null) {
2794						avatar.image = image;
2795						if (getFileBackend().save(avatar)) {
2796							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2797									+ ": successfully fetched vCard avatar for " + avatar.owner);
2798							if (avatar.owner.isBareJid()) {
2799								if (account.getJid().toBareJid().equals(avatar.owner) && account.getAvatar() == null) {
2800									Log.d(Config.LOGTAG,account.getJid().toBareJid()+": had no avatar. replacing with vcard");
2801									account.setAvatar(avatar.getFilename());
2802									databaseBackend.updateAccount(account);
2803									getAvatarService().clear(account);
2804									updateAccountUi();
2805								} else {
2806									Contact contact = account.getRoster().getContact(avatar.owner);
2807									contact.setAvatar(avatar);
2808									getAvatarService().clear(contact);
2809									updateRosterUi();
2810								}
2811								updateConversationUi();
2812							} else {
2813								Conversation conversation = find(account, avatar.owner.toBareJid());
2814								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
2815									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
2816									if (user != null) {
2817										if (user.setAvatar(avatar)) {
2818											getAvatarService().clear(user);
2819											updateConversationUi();
2820											updateMucRosterUi();
2821										}
2822									}
2823								}
2824							}
2825						}
2826					}
2827				}
2828			}
2829		});
2830	}
2831
2832	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
2833		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2834		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2835
2836			@Override
2837			public void onIqPacketReceived(Account account, IqPacket packet) {
2838				if (packet.getType() == IqPacket.TYPE.RESULT) {
2839					Element pubsub = packet.findChild("pubsub","http://jabber.org/protocol/pubsub");
2840					if (pubsub != null) {
2841						Element items = pubsub.findChild("items");
2842						if (items != null) {
2843							Avatar avatar = Avatar.parseMetadata(items);
2844							if (avatar != null) {
2845								avatar.owner = account.getJid().toBareJid();
2846								if (fileBackend.isAvatarCached(avatar)) {
2847									if (account.setAvatar(avatar.getFilename())) {
2848										databaseBackend.updateAccount(account);
2849									}
2850									getAvatarService().clear(account);
2851									callback.success(avatar);
2852								} else {
2853									fetchAvatarPep(account, avatar, callback);
2854								}
2855								return;
2856							}
2857						}
2858					}
2859				}
2860				callback.error(0, null);
2861			}
2862		});
2863	}
2864
2865	public void deleteContactOnServer(Contact contact) {
2866		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
2867		contact.resetOption(Contact.Options.DIRTY_PUSH);
2868		contact.setOption(Contact.Options.DIRTY_DELETE);
2869		Account account = contact.getAccount();
2870		if (account.getStatus() == Account.State.ONLINE) {
2871			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2872			Element item = iq.query(Xmlns.ROSTER).addChild("item");
2873			item.setAttribute("jid", contact.getJid().toString());
2874			item.setAttribute("subscription", "remove");
2875			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2876		}
2877	}
2878
2879	public void updateConversation(final Conversation conversation) {
2880		mDatabaseExecutor.execute(new Runnable() {
2881			@Override
2882			public void run() {
2883				databaseBackend.updateConversation(conversation);
2884			}
2885		});
2886	}
2887
2888	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
2889		synchronized (account) {
2890			XmppConnection connection = account.getXmppConnection();
2891			if (connection == null) {
2892				connection = createConnection(account);
2893				account.setXmppConnection(connection);
2894			} else {
2895				connection.interrupt();
2896			}
2897			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2898				if (!force) {
2899					disconnect(account, false);
2900				}
2901				Thread thread = new Thread(connection);
2902				connection.setInteractive(interactive);
2903				connection.prepareNewConnection();
2904				thread.start();
2905				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
2906			} else {
2907				disconnect(account, force);
2908				account.getRoster().clearPresences();
2909				connection.resetEverything();
2910				account.getAxolotlService().resetBrokenness();
2911			}
2912		}
2913	}
2914
2915	public void reconnectAccountInBackground(final Account account) {
2916		new Thread(new Runnable() {
2917			@Override
2918			public void run() {
2919				reconnectAccount(account, false, true);
2920			}
2921		}).start();
2922	}
2923
2924	public void invite(Conversation conversation, Jid contact) {
2925		Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": inviting " + contact + " to " + conversation.getJid().toBareJid());
2926		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
2927		sendMessagePacket(conversation.getAccount(), packet);
2928	}
2929
2930	public void directInvite(Conversation conversation, Jid jid) {
2931		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
2932		sendMessagePacket(conversation.getAccount(), packet);
2933	}
2934
2935	public void resetSendingToWaiting(Account account) {
2936		for (Conversation conversation : getConversations()) {
2937			if (conversation.getAccount() == account) {
2938				conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
2939
2940					@Override
2941					public void onMessageFound(Message message) {
2942						markMessage(message, Message.STATUS_WAITING);
2943					}
2944				});
2945			}
2946		}
2947	}
2948
2949	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
2950		return markMessage(account, recipient, uuid, status, null);
2951	}
2952
2953	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
2954		if (uuid == null) {
2955			return null;
2956		}
2957		for (Conversation conversation : getConversations()) {
2958			if (conversation.getJid().toBareJid().equals(recipient) && conversation.getAccount() == account) {
2959				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
2960				if (message != null) {
2961					markMessage(message, status, errorMessage);
2962				}
2963				return message;
2964			}
2965		}
2966		return null;
2967	}
2968
2969	public boolean markMessage(Conversation conversation, String uuid, int status) {
2970		if (uuid == null) {
2971			return false;
2972		} else {
2973			Message message = conversation.findSentMessageWithUuid(uuid);
2974			if (message != null) {
2975				markMessage(message, status);
2976				return true;
2977			} else {
2978				return false;
2979			}
2980		}
2981	}
2982
2983	public void markMessage(Message message, int status) {
2984		markMessage(message, status, null);
2985	}
2986
2987
2988	public void markMessage(Message message, int status, String errorMessage) {
2989		if (status == Message.STATUS_SEND_FAILED
2990				&& (message.getStatus() == Message.STATUS_SEND_RECEIVED || message
2991				.getStatus() == Message.STATUS_SEND_DISPLAYED)
2992				&& errorMessage == null) {
2993			return;
2994		}
2995		message.setErrorMessage(errorMessage);
2996		message.setStatus(status);
2997		databaseBackend.updateMessage(message);
2998		updateConversationUi();
2999	}
3000
3001	public SharedPreferences getPreferences() {
3002		return PreferenceManager
3003				.getDefaultSharedPreferences(getApplicationContext());
3004	}
3005
3006	public boolean confirmMessages() {
3007		return getPreferences().getBoolean("confirm_messages", true);
3008	}
3009
3010	public boolean allowMessageCorrection() {
3011		return getPreferences().getBoolean("allow_message_correction", true);
3012	}
3013
3014	public boolean sendChatStates() {
3015		return getPreferences().getBoolean("chat_states", false);
3016	}
3017
3018	public boolean saveEncryptedMessages() {
3019		return !getPreferences().getBoolean("dont_save_encrypted", false);
3020	}
3021
3022	private boolean respectAutojoin() {
3023		return getPreferences().getBoolean("autojoin", true);
3024	}
3025
3026	public boolean indicateReceived() {
3027		return getPreferences().getBoolean("indicate_received", false);
3028	}
3029
3030	public boolean useTorToConnect() {
3031		return Config.FORCE_ORBOT || getPreferences().getBoolean("use_tor", false);
3032	}
3033
3034	public boolean showExtendedConnectionOptions() {
3035		return getPreferences().getBoolean("show_connection_options", false);
3036	}
3037
3038	public boolean broadcastLastActivity() {
3039		return getPreferences().getBoolean("last_activity", false);
3040	}
3041
3042	public int unreadCount() {
3043		int count = 0;
3044		for (Conversation conversation : getConversations()) {
3045			count += conversation.unreadCount();
3046		}
3047		return count;
3048	}
3049
3050
3051	public void showErrorToastInUi(int resId) {
3052		if (mOnShowErrorToast != null) {
3053			mOnShowErrorToast.onShowErrorToast(resId);
3054		}
3055	}
3056
3057	public void updateConversationUi() {
3058		if (mOnConversationUpdate != null) {
3059			mOnConversationUpdate.onConversationUpdate();
3060		}
3061	}
3062
3063	public void updateAccountUi() {
3064		if (mOnAccountUpdate != null) {
3065			mOnAccountUpdate.onAccountUpdate();
3066		}
3067	}
3068
3069	public void updateRosterUi() {
3070		if (mOnRosterUpdate != null) {
3071			mOnRosterUpdate.onRosterUpdate();
3072		}
3073	}
3074
3075	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3076		if (mOnCaptchaRequested != null) {
3077			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3078			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3079					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3080
3081			mOnCaptchaRequested.onCaptchaRequested(account, id, data, scaled);
3082			return true;
3083		}
3084		return false;
3085	}
3086
3087	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3088		if (mOnUpdateBlocklist != null) {
3089			mOnUpdateBlocklist.OnUpdateBlocklist(status);
3090		}
3091	}
3092
3093	public void updateMucRosterUi() {
3094		if (mOnMucRosterUpdate != null) {
3095			mOnMucRosterUpdate.onMucRosterUpdate();
3096		}
3097	}
3098
3099	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3100		if (mOnKeyStatusUpdated != null) {
3101			mOnKeyStatusUpdated.onKeyStatusUpdated(report);
3102		}
3103	}
3104
3105	public Account findAccountByJid(final Jid accountJid) {
3106		for (Account account : this.accounts) {
3107			if (account.getJid().toBareJid().equals(accountJid.toBareJid())) {
3108				return account;
3109			}
3110		}
3111		return null;
3112	}
3113
3114	public Conversation findConversationByUuid(String uuid) {
3115		for (Conversation conversation : getConversations()) {
3116			if (conversation.getUuid().equals(uuid)) {
3117				return conversation;
3118			}
3119		}
3120		return null;
3121	}
3122
3123	public boolean markRead(final Conversation conversation) {
3124		return markRead(conversation,true);
3125	}
3126
3127	public boolean markRead(final Conversation conversation, boolean clear) {
3128		if (clear) {
3129			mNotificationService.clear(conversation);
3130		}
3131		final List<Message> readMessages = conversation.markRead();
3132		if (readMessages.size() > 0) {
3133			Runnable runnable = new Runnable() {
3134				@Override
3135				public void run() {
3136					for (Message message : readMessages) {
3137						databaseBackend.updateMessage(message);
3138					}
3139				}
3140			};
3141			mDatabaseExecutor.execute(runnable);
3142			updateUnreadCountBadge();
3143			return true;
3144		} else {
3145			return false;
3146		}
3147	}
3148
3149	public synchronized void updateUnreadCountBadge() {
3150		int count = unreadCount();
3151		if (unreadCount != count) {
3152			Log.d(Config.LOGTAG, "update unread count to " + count);
3153			if (count > 0) {
3154				ShortcutBadger.applyCount(getApplicationContext(), count);
3155			} else {
3156				ShortcutBadger.removeCount(getApplicationContext());
3157			}
3158			unreadCount = count;
3159		}
3160	}
3161
3162	public void sendReadMarker(final Conversation conversation) {
3163		final Message markable = conversation.getLatestMarkableMessage();
3164		if (this.markRead(conversation)) {
3165			updateConversationUi();
3166		}
3167		if (confirmMessages()
3168				&& markable != null
3169				&& markable.trusted()
3170				&& markable.getRemoteMsgId() != null) {
3171			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
3172			Account account = conversation.getAccount();
3173			final Jid to = markable.getCounterpart();
3174			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId());
3175			this.sendMessagePacket(conversation.getAccount(), packet);
3176		}
3177	}
3178
3179	public SecureRandom getRNG() {
3180		return this.mRandom;
3181	}
3182
3183	public MemorizingTrustManager getMemorizingTrustManager() {
3184		return this.mMemorizingTrustManager;
3185	}
3186
3187	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
3188		this.mMemorizingTrustManager = trustManager;
3189	}
3190
3191	public void updateMemorizingTrustmanager() {
3192		final MemorizingTrustManager tm;
3193		final boolean dontTrustSystemCAs = getPreferences().getBoolean("dont_trust_system_cas", false);
3194		if (dontTrustSystemCAs) {
3195			tm = new MemorizingTrustManager(getApplicationContext(), null);
3196		} else {
3197			tm = new MemorizingTrustManager(getApplicationContext());
3198		}
3199		setMemorizingTrustManager(tm);
3200	}
3201
3202	public PowerManager getPowerManager() {
3203		return this.pm;
3204	}
3205
3206	public LruCache<String, Bitmap> getBitmapCache() {
3207		return this.mBitmapCache;
3208	}
3209
3210	public void syncRosterToDisk(final Account account) {
3211		Runnable runnable = new Runnable() {
3212
3213			@Override
3214			public void run() {
3215				databaseBackend.writeRoster(account.getRoster());
3216			}
3217		};
3218		mDatabaseExecutor.execute(runnable);
3219
3220	}
3221
3222	public List<String> getKnownHosts() {
3223		final List<String> hosts = new ArrayList<>();
3224		for (final Account account : getAccounts()) {
3225			if (!hosts.contains(account.getServer().toString())) {
3226				hosts.add(account.getServer().toString());
3227			}
3228			for (final Contact contact : account.getRoster().getContacts()) {
3229				if (contact.showInRoster()) {
3230					final String server = contact.getServer().toString();
3231					if (server != null && !hosts.contains(server)) {
3232						hosts.add(server);
3233					}
3234				}
3235			}
3236		}
3237		if(Config.DOMAIN_LOCK != null && !hosts.contains(Config.DOMAIN_LOCK)) {
3238			hosts.add(Config.DOMAIN_LOCK);
3239		}
3240		if(Config.MAGIC_CREATE_DOMAIN != null && !hosts.contains(Config.MAGIC_CREATE_DOMAIN)) {
3241			hosts.add(Config.MAGIC_CREATE_DOMAIN);
3242		}
3243		return hosts;
3244	}
3245
3246	public List<String> getKnownConferenceHosts() {
3247		final ArrayList<String> mucServers = new ArrayList<>();
3248		for (final Account account : accounts) {
3249			if (account.getXmppConnection() != null) {
3250				final String server = account.getXmppConnection().getMucServer();
3251				if (server != null && !mucServers.contains(server)) {
3252					mucServers.add(server);
3253				}
3254			}
3255		}
3256		return mucServers;
3257	}
3258
3259	public void sendMessagePacket(Account account, MessagePacket packet) {
3260		XmppConnection connection = account.getXmppConnection();
3261		if (connection != null) {
3262			connection.sendMessagePacket(packet);
3263		}
3264	}
3265
3266	public void sendPresencePacket(Account account, PresencePacket packet) {
3267		XmppConnection connection = account.getXmppConnection();
3268		if (connection != null) {
3269			connection.sendPresencePacket(packet);
3270		}
3271	}
3272
3273	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
3274		final XmppConnection connection = account.getXmppConnection();
3275		if (connection != null) {
3276			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
3277			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener);
3278		}
3279	}
3280
3281	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
3282		final XmppConnection connection = account.getXmppConnection();
3283		if (connection != null) {
3284			connection.sendIqPacket(packet, callback);
3285		}
3286	}
3287
3288	public void sendPresence(final Account account) {
3289		sendPresence(account, checkListeners() && broadcastLastActivity());
3290	}
3291
3292	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
3293		PresencePacket packet;
3294		if (manuallyChangePresence()) {
3295			packet =  mPresenceGenerator.selfPresence(account, account.getPresenceStatus());
3296			String message = account.getPresenceStatusMessage();
3297			if (message != null && !message.isEmpty()) {
3298				packet.addChild(new Element("status").setContent(message));
3299			}
3300		} else {
3301			packet = mPresenceGenerator.selfPresence(account, getTargetPresence());
3302		}
3303		if (mLastActivity > 0 && includeIdleTimestamp) {
3304			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
3305			packet.addChild("idle","urn:xmpp:idle:1").setAttribute("since", AbstractGenerator.getTimestamp(since));
3306		}
3307		sendPresencePacket(account, packet);
3308	}
3309
3310	private void deactivateGracePeriod() {
3311		for(Account account : getAccounts()) {
3312			account.deactivateGracePeriod();
3313		}
3314	}
3315
3316	public void refreshAllPresences() {
3317		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
3318		for (Account account : getAccounts()) {
3319			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
3320				sendPresence(account, includeIdleTimestamp);
3321			}
3322		}
3323	}
3324
3325	private void refreshAllGcmTokens() {
3326		for(Account account : getAccounts()) {
3327			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
3328				mPushManagementService.registerPushTokenOnServer(account);
3329			}
3330		}
3331	}
3332
3333	private void sendOfflinePresence(final Account account) {
3334		Log.d(Config.LOGTAG,account.getJid().toBareJid()+": sending offline presence");
3335		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
3336	}
3337
3338	public MessageGenerator getMessageGenerator() {
3339		return this.mMessageGenerator;
3340	}
3341
3342	public PresenceGenerator getPresenceGenerator() {
3343		return this.mPresenceGenerator;
3344	}
3345
3346	public IqGenerator getIqGenerator() {
3347		return this.mIqGenerator;
3348	}
3349
3350	public IqParser getIqParser() {
3351		return this.mIqParser;
3352	}
3353
3354	public JingleConnectionManager getJingleConnectionManager() {
3355		return this.mJingleConnectionManager;
3356	}
3357
3358	public MessageArchiveService getMessageArchiveService() {
3359		return this.mMessageArchiveService;
3360	}
3361
3362	public List<Contact> findContacts(Jid jid) {
3363		ArrayList<Contact> contacts = new ArrayList<>();
3364		for (Account account : getAccounts()) {
3365			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
3366				Contact contact = account.getRoster().getContactFromRoster(jid);
3367				if (contact != null) {
3368					contacts.add(contact);
3369				}
3370			}
3371		}
3372		return contacts;
3373	}
3374
3375	public Conversation findFirstMuc(Jid jid) {
3376		for(Conversation conversation : getConversations()) {
3377			if (conversation.getJid().toBareJid().equals(jid.toBareJid())
3378					&& conversation.getMode() == Conversation.MODE_MULTI) {
3379				return conversation;
3380			}
3381		}
3382		return null;
3383	}
3384
3385	public NotificationService getNotificationService() {
3386		return this.mNotificationService;
3387	}
3388
3389	public HttpConnectionManager getHttpConnectionManager() {
3390		return this.mHttpConnectionManager;
3391	}
3392
3393	public void resendFailedMessages(final Message message) {
3394		final Collection<Message> messages = new ArrayList<>();
3395		Message current = message;
3396		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
3397			messages.add(current);
3398			if (current.mergeable(current.next())) {
3399				current = current.next();
3400			} else {
3401				break;
3402			}
3403		}
3404		for (final Message msg : messages) {
3405			msg.setTime(System.currentTimeMillis());
3406			markMessage(msg, Message.STATUS_WAITING);
3407			this.resendMessage(msg, false);
3408		}
3409	}
3410
3411	public void clearConversationHistory(final Conversation conversation) {
3412		conversation.clearMessages();
3413		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
3414		conversation.setLastClearHistory(System.currentTimeMillis());
3415		Runnable runnable = new Runnable() {
3416			@Override
3417			public void run() {
3418				databaseBackend.deleteMessagesInConversation(conversation);
3419				databaseBackend.updateConversation(conversation);
3420			}
3421		};
3422		mDatabaseExecutor.execute(runnable);
3423	}
3424
3425	public void sendBlockRequest(final Blockable blockable, boolean reportSpam) {
3426		if (blockable != null && blockable.getBlockedJid() != null) {
3427			final Jid jid = blockable.getBlockedJid();
3428			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), new OnIqPacketReceived() {
3429
3430				@Override
3431				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3432					if (packet.getType() == IqPacket.TYPE.RESULT) {
3433						account.getBlocklist().add(jid);
3434						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
3435					}
3436				}
3437			});
3438		}
3439	}
3440
3441	public void sendUnblockRequest(final Blockable blockable) {
3442		if (blockable != null && blockable.getJid() != null) {
3443			final Jid jid = blockable.getBlockedJid();
3444			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
3445				@Override
3446				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3447					if (packet.getType() == IqPacket.TYPE.RESULT) {
3448						account.getBlocklist().remove(jid);
3449						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
3450					}
3451				}
3452			});
3453		}
3454	}
3455
3456	public void publishDisplayName(Account account) {
3457		String displayName = account.getDisplayName();
3458		if (displayName != null && !displayName.isEmpty()) {
3459			IqPacket publish = mIqGenerator.publishNick(displayName);
3460			sendIqPacket(account, publish, new OnIqPacketReceived() {
3461				@Override
3462				public void onIqPacketReceived(Account account, IqPacket packet) {
3463					if (packet.getType() == IqPacket.TYPE.ERROR) {
3464						Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not publish nick");
3465					}
3466				}
3467			});
3468		}
3469	}
3470
3471	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
3472		ServiceDiscoveryResult result = discoCache.get(key);
3473		if (result != null) {
3474			return result;
3475		} else {
3476			result = databaseBackend.findDiscoveryResult(key.first, key.second);
3477			if (result != null) {
3478				discoCache.put(key, result);
3479			}
3480			return result;
3481		}
3482	}
3483
3484	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
3485		final Pair<String,String> key = new Pair<>(presence.getHash(), presence.getVer());
3486		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
3487		if (disco != null) {
3488			presence.setServiceDiscoveryResult(disco);
3489		} else {
3490			if (!account.inProgressDiscoFetches.contains(key)) {
3491				account.inProgressDiscoFetches.add(key);
3492				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3493				request.setTo(jid);
3494				request.query("http://jabber.org/protocol/disco#info");
3495				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": making disco request for "+key.second+" to "+jid);
3496				sendIqPacket(account, request, new OnIqPacketReceived() {
3497					@Override
3498					public void onIqPacketReceived(Account account, IqPacket discoPacket) {
3499						if (discoPacket.getType() == IqPacket.TYPE.RESULT) {
3500							ServiceDiscoveryResult disco = new ServiceDiscoveryResult(discoPacket);
3501							if (presence.getVer().equals(disco.getVer())) {
3502								databaseBackend.insertDiscoveryResult(disco);
3503								injectServiceDiscorveryResult(account.getRoster(), presence.getHash(), presence.getVer(), disco);
3504							} else {
3505								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + disco.getVer());
3506							}
3507						}
3508						account.inProgressDiscoFetches.remove(key);
3509					}
3510				});
3511			}
3512		}
3513	}
3514
3515	private void injectServiceDiscorveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
3516		for(Contact contact : roster.getContacts()) {
3517			for(Presence presence : contact.getPresences().getPresences().values()) {
3518				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
3519					presence.setServiceDiscoveryResult(disco);
3520				}
3521			}
3522		}
3523	}
3524
3525	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
3526		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3527		request.addChild("prefs","urn:xmpp:mam:0");
3528		sendIqPacket(account, request, new OnIqPacketReceived() {
3529			@Override
3530			public void onIqPacketReceived(Account account, IqPacket packet) {
3531				Element prefs = packet.findChild("prefs","urn:xmpp:mam:0");
3532				if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
3533					callback.onPreferencesFetched(prefs);
3534				} else {
3535					callback.onPreferencesFetchFailed();
3536				}
3537			}
3538		});
3539	}
3540
3541	public PushManagementService getPushManagementService() {
3542		return mPushManagementService;
3543	}
3544
3545	public Account getPendingAccount() {
3546		Account pending = null;
3547		for(Account account : getAccounts()) {
3548			if (account.isOptionSet(Account.OPTION_REGISTER)) {
3549				pending = account;
3550			} else {
3551				return null;
3552			}
3553		}
3554		return pending;
3555	}
3556
3557	public void changeStatus(Account account, Presence.Status status, String statusMessage, boolean send) {
3558		if (!statusMessage.isEmpty()) {
3559			databaseBackend.insertPresenceTemplate(new PresenceTemplate(status, statusMessage));
3560		}
3561		changeStatusReal(account, status, statusMessage, send);
3562	}
3563
3564	private void changeStatusReal(Account account, Presence.Status status, String statusMessage, boolean send) {
3565		account.setPresenceStatus(status);
3566		account.setPresenceStatusMessage(statusMessage);
3567		databaseBackend.updateAccount(account);
3568		if (!account.isOptionSet(Account.OPTION_DISABLED) && send) {
3569			sendPresence(account);
3570		}
3571	}
3572
3573	public void changeStatus(Presence.Status status, String statusMessage) {
3574		if (!statusMessage.isEmpty()) {
3575			databaseBackend.insertPresenceTemplate(new PresenceTemplate(status, statusMessage));
3576		}
3577		for(Account account : getAccounts()) {
3578			changeStatusReal(account, status, statusMessage, true);
3579		}
3580	}
3581
3582	public List<PresenceTemplate> getPresenceTemplates(Account account) {
3583		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
3584		for(PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
3585			if (!templates.contains(template)) {
3586				templates.add(0, template);
3587			}
3588		}
3589		return templates;
3590	}
3591
3592	public void saveConversationAsBookmark(Conversation conversation, String name) {
3593		Account account = conversation.getAccount();
3594		Bookmark bookmark = new Bookmark(account, conversation.getJid().toBareJid());
3595		if (!conversation.getJid().isBareJid()) {
3596			bookmark.setNick(conversation.getJid().getResourcepart());
3597		}
3598		if (name != null && !name.trim().isEmpty()) {
3599			bookmark.setBookmarkName(name.trim());
3600		}
3601		bookmark.setAutojoin(getPreferences().getBoolean("autojoin",true));
3602		account.getBookmarks().add(bookmark);
3603		pushBookmarks(account);
3604		conversation.setBookmark(bookmark);
3605	}
3606
3607	public interface OnMamPreferencesFetched {
3608		void onPreferencesFetched(Element prefs);
3609		void onPreferencesFetchFailed();
3610	}
3611
3612	public void pushMamPreferences(Account account, Element prefs) {
3613		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3614		set.addChild(prefs);
3615		sendIqPacket(account, set, null);
3616	}
3617
3618	public interface OnAccountCreated {
3619		void onAccountCreated(Account account);
3620
3621		void informUser(int r);
3622	}
3623
3624	public interface OnMoreMessagesLoaded {
3625		void onMoreMessagesLoaded(int count, Conversation conversation);
3626
3627		void informUser(int r);
3628	}
3629
3630	public interface OnAccountPasswordChanged {
3631		void onPasswordChangeSucceeded();
3632
3633		void onPasswordChangeFailed();
3634	}
3635
3636	public interface OnAffiliationChanged {
3637		void onAffiliationChangedSuccessful(Jid jid);
3638
3639		void onAffiliationChangeFailed(Jid jid, int resId);
3640	}
3641
3642	public interface OnRoleChanged {
3643		void onRoleChangedSuccessful(String nick);
3644
3645		void onRoleChangeFailed(String nick, int resid);
3646	}
3647
3648	public interface OnConversationUpdate {
3649		void onConversationUpdate();
3650	}
3651
3652	public interface OnAccountUpdate {
3653		void onAccountUpdate();
3654	}
3655
3656	public interface OnCaptchaRequested {
3657		void onCaptchaRequested(Account account,
3658								String id,
3659								Data data,
3660								Bitmap captcha);
3661	}
3662
3663	public interface OnRosterUpdate {
3664		void onRosterUpdate();
3665	}
3666
3667	public interface OnMucRosterUpdate {
3668		void onMucRosterUpdate();
3669	}
3670
3671	public interface OnConferenceConfigurationFetched {
3672		void onConferenceConfigurationFetched(Conversation conversation);
3673
3674		void onFetchFailed(Conversation conversation, Element error);
3675	}
3676
3677	public interface OnConferenceJoined {
3678		void onConferenceJoined(Conversation conversation);
3679	}
3680
3681	public interface OnConferenceOptionsPushed {
3682		void onPushSucceeded();
3683
3684		void onPushFailed();
3685	}
3686
3687	public interface OnShowErrorToast {
3688		void onShowErrorToast(int resId);
3689	}
3690
3691	public class XmppConnectionBinder extends Binder {
3692		public XmppConnectionService getService() {
3693			return XmppConnectionService.this;
3694		}
3695	}
3696}