XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import android.annotation.SuppressLint;
   4import android.app.AlarmManager;
   5import android.app.PendingIntent;
   6import android.app.Service;
   7import android.content.Context;
   8import android.content.Intent;
   9import android.content.IntentFilter;
  10import android.content.SharedPreferences;
  11import android.database.ContentObserver;
  12import android.graphics.Bitmap;
  13import android.media.AudioManager;
  14import android.net.ConnectivityManager;
  15import android.net.NetworkInfo;
  16import android.net.Uri;
  17import android.os.Binder;
  18import android.os.Build;
  19import android.os.Bundle;
  20import android.os.FileObserver;
  21import android.os.IBinder;
  22import android.os.Looper;
  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.util.DisplayMetrics;
  30import android.util.Log;
  31import android.util.LruCache;
  32import android.util.Pair;
  33
  34import net.java.otr4j.OtrException;
  35import net.java.otr4j.session.Session;
  36import net.java.otr4j.session.SessionID;
  37import net.java.otr4j.session.SessionImpl;
  38import net.java.otr4j.session.SessionStatus;
  39
  40import org.openintents.openpgp.IOpenPgpService2;
  41import org.openintents.openpgp.util.OpenPgpApi;
  42import org.openintents.openpgp.util.OpenPgpServiceConnection;
  43
  44import java.math.BigInteger;
  45import java.security.SecureRandom;
  46import java.security.cert.CertificateException;
  47import java.security.cert.X509Certificate;
  48import java.util.ArrayList;
  49import java.util.Arrays;
  50import java.util.Collection;
  51import java.util.Collections;
  52import java.util.Comparator;
  53import java.util.HashMap;
  54import java.util.Hashtable;
  55import java.util.Iterator;
  56import java.util.List;
  57import java.util.Locale;
  58import java.util.Map;
  59import java.util.concurrent.CopyOnWriteArrayList;
  60
  61import de.duenndns.ssl.MemorizingTrustManager;
  62import eu.siacs.conversations.Config;
  63import eu.siacs.conversations.R;
  64import eu.siacs.conversations.crypto.PgpEngine;
  65import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  66import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  67import eu.siacs.conversations.entities.Account;
  68import eu.siacs.conversations.entities.Blockable;
  69import eu.siacs.conversations.entities.Bookmark;
  70import eu.siacs.conversations.entities.Contact;
  71import eu.siacs.conversations.entities.Conversation;
  72import eu.siacs.conversations.entities.Message;
  73import eu.siacs.conversations.entities.MucOptions;
  74import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  75import eu.siacs.conversations.entities.Presence;
  76import eu.siacs.conversations.entities.Presences;
  77import eu.siacs.conversations.entities.Roster;
  78import eu.siacs.conversations.entities.ServiceDiscoveryResult;
  79import eu.siacs.conversations.entities.Transferable;
  80import eu.siacs.conversations.entities.TransferablePlaceholder;
  81import eu.siacs.conversations.generator.IqGenerator;
  82import eu.siacs.conversations.generator.MessageGenerator;
  83import eu.siacs.conversations.generator.PresenceGenerator;
  84import eu.siacs.conversations.http.HttpConnectionManager;
  85import eu.siacs.conversations.parser.IqParser;
  86import eu.siacs.conversations.parser.MessageParser;
  87import eu.siacs.conversations.parser.PresenceParser;
  88import eu.siacs.conversations.persistance.DatabaseBackend;
  89import eu.siacs.conversations.persistance.FileBackend;
  90import eu.siacs.conversations.ui.UiCallback;
  91import eu.siacs.conversations.utils.CryptoHelper;
  92import eu.siacs.conversations.utils.ExceptionHelper;
  93import eu.siacs.conversations.utils.OnPhoneContactsLoadedListener;
  94import eu.siacs.conversations.utils.PRNGFixes;
  95import eu.siacs.conversations.utils.PhoneHelper;
  96import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
  97import eu.siacs.conversations.utils.Xmlns;
  98import eu.siacs.conversations.xml.Element;
  99import eu.siacs.conversations.xmpp.OnBindListener;
 100import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 101import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 102import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 103import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 104import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 105import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 106import eu.siacs.conversations.xmpp.OnStatusChanged;
 107import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 108import eu.siacs.conversations.xmpp.XmppConnection;
 109import eu.siacs.conversations.xmpp.chatstate.ChatState;
 110import eu.siacs.conversations.xmpp.forms.Data;
 111import eu.siacs.conversations.xmpp.forms.Field;
 112import eu.siacs.conversations.xmpp.jid.InvalidJidException;
 113import eu.siacs.conversations.xmpp.jid.Jid;
 114import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 115import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 116import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 117import eu.siacs.conversations.xmpp.pep.Avatar;
 118import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 119import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 120import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 121import me.leolin.shortcutbadger.ShortcutBadger;
 122
 123public class XmppConnectionService extends Service implements OnPhoneContactsLoadedListener {
 124
 125	public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 126	public static final String ACTION_DISABLE_FOREGROUND = "disable_foreground";
 127	public static final String ACTION_TRY_AGAIN = "try_again";
 128	public static final String ACTION_DISABLE_ACCOUNT = "disable_account";
 129	private static final String ACTION_MERGE_PHONE_CONTACTS = "merge_phone_contacts";
 130	private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor();
 131	private final SerialSingleThreadExecutor mDatabaseExecutor = new SerialSingleThreadExecutor();
 132	private final IBinder mBinder = new XmppConnectionBinder();
 133	private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 134	private final IqGenerator mIqGenerator = new IqGenerator(this);
 135	private final List<String> mInProgressAvatarFetches = new ArrayList<>();
 136	public DatabaseBackend databaseBackend;
 137	private ContentObserver contactObserver = new ContentObserver(null) {
 138		@Override
 139		public void onChange(boolean selfChange) {
 140			super.onChange(selfChange);
 141			Intent intent = new Intent(getApplicationContext(),
 142					XmppConnectionService.class);
 143			intent.setAction(ACTION_MERGE_PHONE_CONTACTS);
 144			startService(intent);
 145		}
 146	};
 147	private FileBackend fileBackend = new FileBackend(this);
 148	private MemorizingTrustManager mMemorizingTrustManager;
 149	private NotificationService mNotificationService = new NotificationService(
 150			this);
 151	private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 152	private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 153	private IqParser mIqParser = new IqParser(this);
 154	private OnIqPacketReceived mDefaultIqHandler = new OnIqPacketReceived() {
 155		@Override
 156		public void onIqPacketReceived(Account account, IqPacket packet) {
 157			if (packet.getType() != IqPacket.TYPE.RESULT) {
 158				Element error = packet.findChild("error");
 159				String text = error != null ? error.findChildContent("text") : null;
 160				if (text != null) {
 161					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": received iq error - " + text);
 162				}
 163			}
 164		}
 165	};
 166	private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 167	private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 168	private List<Account> accounts;
 169	private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 170			this);
 171	public OnContactStatusChanged onContactStatusChanged = new OnContactStatusChanged() {
 172
 173		@Override
 174		public void onContactStatusChanged(Contact contact, boolean online) {
 175			Conversation conversation = find(getConversations(), contact);
 176			if (conversation != null) {
 177				if (online) {
 178					conversation.endOtrIfNeeded();
 179					if (contact.getPresences().size() == 1) {
 180						sendUnsentMessages(conversation);
 181					}
 182				} else {
 183					if (contact.getPresences().size() >= 1) {
 184						if (conversation.hasValidOtrSession()) {
 185							String otrResource = conversation.getOtrSession().getSessionID().getUserID();
 186							if (!(Arrays.asList(contact.getPresences().asStringArray()).contains(otrResource))) {
 187								conversation.endOtrIfNeeded();
 188							}
 189						}
 190					} else {
 191						conversation.endOtrIfNeeded();
 192					}
 193				}
 194			}
 195		}
 196	};
 197	private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(
 198			this);
 199	private AvatarService mAvatarService = new AvatarService(this);
 200	private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 201	private OnConversationUpdate mOnConversationUpdate = null;
 202	private final FileObserver fileObserver = new FileObserver(
 203			FileBackend.getConversationsImageDirectory()) {
 204
 205		@Override
 206		public void onEvent(int event, String path) {
 207			if (event == FileObserver.DELETE) {
 208				markFileDeleted(path.split("\\.")[0]);
 209			}
 210		}
 211	};
 212	private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 213
 214		@Override
 215		public void onJinglePacketReceived(Account account, JinglePacket packet) {
 216			mJingleConnectionManager.deliverPacket(account, packet);
 217		}
 218	};
 219	private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 220
 221		@Override
 222		public void onMessageAcknowledged(Account account, String uuid) {
 223			for (final Conversation conversation : getConversations()) {
 224				if (conversation.getAccount() == account) {
 225					Message message = conversation.findUnsentMessageWithUuid(uuid);
 226					if (message != null) {
 227						markMessage(message, Message.STATUS_SEND);
 228					}
 229				}
 230			}
 231		}
 232	};
 233	private int convChangedListenerCount = 0;
 234	private OnShowErrorToast mOnShowErrorToast = null;
 235	private int showErrorToastListenerCount = 0;
 236	private int unreadCount = -1;
 237	private OnAccountUpdate mOnAccountUpdate = null;
 238	private OnCaptchaRequested mOnCaptchaRequested = null;
 239	private int accountChangedListenerCount = 0;
 240	private int captchaRequestedListenerCount = 0;
 241	private OnRosterUpdate mOnRosterUpdate = null;
 242	private OnUpdateBlocklist mOnUpdateBlocklist = null;
 243	private int updateBlocklistListenerCount = 0;
 244	private int rosterChangedListenerCount = 0;
 245	private OnMucRosterUpdate mOnMucRosterUpdate = null;
 246	private int mucRosterChangedListenerCount = 0;
 247	private OnKeyStatusUpdated mOnKeyStatusUpdated = null;
 248	private int keyStatusUpdatedListenerCount = 0;
 249	private SecureRandom mRandom;
 250	private LruCache<Pair<String,String>,ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 251	private final OnBindListener mOnBindListener = new OnBindListener() {
 252
 253		@Override
 254		public void onBind(final Account account) {
 255			account.getRoster().clearPresences();
 256			mJingleConnectionManager.cancelInTransmission();
 257			fetchRosterFromServer(account);
 258			fetchBookmarks(account);
 259			sendPresence(account);
 260			mMessageArchiveService.executePendingQueries(account);
 261			connectMultiModeConversations(account);
 262			syncDirtyContacts(account);
 263		}
 264	};
 265	private OnStatusChanged statusListener = new OnStatusChanged() {
 266
 267		@Override
 268		public void onStatusChanged(Account account) {
 269			XmppConnection connection = account.getXmppConnection();
 270			if (mOnAccountUpdate != null) {
 271				mOnAccountUpdate.onAccountUpdate();
 272			}
 273			if (account.getStatus() == Account.State.ONLINE) {
 274				if (connection != null && connection.getFeatures().csi()) {
 275					if (checkListeners()) {
 276						Log.d(Config.LOGTAG, account.getJid().toBareJid() + " sending csi//inactive");
 277						connection.sendInactive();
 278					} else {
 279						Log.d(Config.LOGTAG, account.getJid().toBareJid() + " sending csi//active");
 280						connection.sendActive();
 281					}
 282				}
 283				List<Conversation> conversations = getConversations();
 284				for (Conversation conversation : conversations) {
 285					if (conversation.getAccount() == account && conversation.getMode() == Conversation.MODE_SINGLE) {
 286						conversation.startOtrIfNeeded();
 287						sendUnsentMessages(conversation);
 288					}
 289				}
 290				for (Conversation conversation : account.pendingConferenceLeaves) {
 291					leaveMuc(conversation);
 292				}
 293				account.pendingConferenceLeaves.clear();
 294				for (Conversation conversation : account.pendingConferenceJoins) {
 295					joinMuc(conversation);
 296				}
 297				account.pendingConferenceJoins.clear();
 298				scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 299			} else if (account.getStatus() == Account.State.OFFLINE) {
 300				resetSendingToWaiting(account);
 301				if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 302					int timeToReconnect = mRandom.nextInt(20) + 10;
 303					scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 304				}
 305			} else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 306				databaseBackend.updateAccount(account);
 307				reconnectAccount(account, true, false);
 308			} else if ((account.getStatus() != Account.State.CONNECTING)
 309					&& (account.getStatus() != Account.State.NO_INTERNET)) {
 310				if (connection != null) {
 311					int next = connection.getTimeToNextAttempt();
 312					Log.d(Config.LOGTAG, account.getJid().toBareJid()
 313							+ ": error connecting account. try again in "
 314							+ next + "s for the "
 315							+ (connection.getAttempt() + 1) + " time");
 316					scheduleWakeUpCall(next, account.getUuid().hashCode());
 317				}
 318			}
 319			getNotificationService().updateErrorNotification();
 320		}
 321	};
 322	private OpenPgpServiceConnection pgpServiceConnection;
 323	private PgpEngine mPgpEngine = null;
 324	private WakeLock wakeLock;
 325	private PowerManager pm;
 326	private LruCache<String, Bitmap> mBitmapCache;
 327	private Thread mPhoneContactMergerThread;
 328	private EventReceiver mEventReceiver = new EventReceiver();
 329
 330	private boolean mRestoredFromDatabase = false;
 331
 332	private static String generateFetchKey(Account account, final Avatar avatar) {
 333		return account.getJid().toBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 334	}
 335
 336	public boolean areMessagesInitialized() {
 337		return this.mRestoredFromDatabase;
 338	}
 339
 340	public PgpEngine getPgpEngine() {
 341		if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 342			if (this.mPgpEngine == null) {
 343				this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 344						getApplicationContext(),
 345						pgpServiceConnection.getService()), this);
 346			}
 347			return mPgpEngine;
 348		} else {
 349			return null;
 350		}
 351
 352	}
 353
 354	public FileBackend getFileBackend() {
 355		return this.fileBackend;
 356	}
 357
 358	public AvatarService getAvatarService() {
 359		return this.mAvatarService;
 360	}
 361
 362	public void attachLocationToConversation(final Conversation conversation,
 363											 final Uri uri,
 364											 final UiCallback<Message> callback) {
 365		int encryption = conversation.getNextEncryption();
 366		if (encryption == Message.ENCRYPTION_PGP) {
 367			encryption = Message.ENCRYPTION_DECRYPTED;
 368		}
 369		Message message = new Message(conversation, uri.toString(), encryption);
 370		if (conversation.getNextCounterpart() != null) {
 371			message.setCounterpart(conversation.getNextCounterpart());
 372		}
 373		if (encryption == Message.ENCRYPTION_DECRYPTED) {
 374			getPgpEngine().encrypt(message, callback);
 375		} else {
 376			callback.success(message);
 377		}
 378	}
 379
 380	public void attachFileToConversation(final Conversation conversation,
 381										 final Uri uri,
 382										 final UiCallback<Message> callback) {
 383		final Message message;
 384		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 385			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 386		} else {
 387			message = new Message(conversation, "", conversation.getNextEncryption());
 388		}
 389		message.setCounterpart(conversation.getNextCounterpart());
 390		message.setType(Message.TYPE_FILE);
 391		String path = getFileBackend().getOriginalPath(uri);
 392		if (path != null) {
 393			message.setRelativeFilePath(path);
 394			getFileBackend().updateFileParams(message);
 395			if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 396				getPgpEngine().encrypt(message, callback);
 397			} else {
 398				callback.success(message);
 399			}
 400		} else {
 401			mFileAddingExecutor.execute(new Runnable() {
 402				@Override
 403				public void run() {
 404					try {
 405						getFileBackend().copyFileToPrivateStorage(message, uri);
 406						getFileBackend().updateFileParams(message);
 407						if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 408							getPgpEngine().encrypt(message, callback);
 409						} else {
 410							callback.success(message);
 411						}
 412					} catch (FileBackend.FileCopyException e) {
 413						callback.error(e.getResId(), message);
 414					}
 415				}
 416			});
 417		}
 418	}
 419
 420	public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 421		final String compressPictures = getCompressPicturesPreference();
 422		if ("never".equals(compressPictures)
 423				|| ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))) {
 424			Log.d(Config.LOGTAG,conversation.getAccount().getJid().toBareJid()+ ": not compressing picture. sending as file");
 425			attachFileToConversation(conversation, uri, callback);
 426			return;
 427		}
 428		final Message message;
 429		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 430			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 431		} else {
 432			message = new Message(conversation, "", conversation.getNextEncryption());
 433		}
 434		message.setCounterpart(conversation.getNextCounterpart());
 435		message.setType(Message.TYPE_IMAGE);
 436		mFileAddingExecutor.execute(new Runnable() {
 437
 438			@Override
 439			public void run() {
 440				try {
 441					getFileBackend().copyImageToPrivateStorage(message, uri);
 442					if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 443						getPgpEngine().encrypt(message, callback);
 444					} else {
 445						callback.success(message);
 446					}
 447				} catch (final FileBackend.FileCopyException e) {
 448					callback.error(e.getResId(), message);
 449				}
 450			}
 451		});
 452	}
 453
 454	public Conversation find(Bookmark bookmark) {
 455		return find(bookmark.getAccount(), bookmark.getJid());
 456	}
 457
 458	public Conversation find(final Account account, final Jid jid) {
 459		return find(getConversations(), account, jid);
 460	}
 461
 462	@Override
 463	public int onStartCommand(Intent intent, int flags, int startId) {
 464		final String action = intent == null ? null : intent.getAction();
 465		boolean interactive = false;
 466		if (action != null) {
 467			switch (action) {
 468				case ConnectivityManager.CONNECTIVITY_ACTION:
 469					if (hasInternetConnection() && Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 470						resetAllAttemptCounts(true);
 471					}
 472					break;
 473				case ACTION_MERGE_PHONE_CONTACTS:
 474					if (mRestoredFromDatabase) {
 475						loadPhoneContacts();
 476					}
 477					return START_STICKY;
 478				case Intent.ACTION_SHUTDOWN:
 479					logoutAndSave();
 480					return START_NOT_STICKY;
 481				case ACTION_CLEAR_NOTIFICATION:
 482					mNotificationService.clear();
 483					break;
 484				case ACTION_DISABLE_FOREGROUND:
 485					getPreferences().edit().putBoolean("keep_foreground_service", false).commit();
 486					toggleForegroundService();
 487					break;
 488				case ACTION_TRY_AGAIN:
 489					resetAllAttemptCounts(false);
 490					interactive = true;
 491					break;
 492				case ACTION_DISABLE_ACCOUNT:
 493					try {
 494						String jid = intent.getStringExtra("account");
 495						Account account = jid == null ? null : findAccountByJid(Jid.fromString(jid));
 496						if (account != null) {
 497							account.setOption(Account.OPTION_DISABLED, true);
 498							updateAccount(account);
 499						}
 500					} catch (final InvalidJidException ignored) {
 501						break;
 502					}
 503					break;
 504				case AudioManager.RINGER_MODE_CHANGED_ACTION:
 505					if (xaOnSilentMode()) {
 506						refreshAllPresences();
 507					}
 508					break;
 509				case Intent.ACTION_SCREEN_OFF:
 510				case Intent.ACTION_SCREEN_ON:
 511					if (awayWhenScreenOff()) {
 512						refreshAllPresences();
 513					}
 514					break;
 515			}
 516		}
 517		this.wakeLock.acquire();
 518
 519		for (Account account : accounts) {
 520			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 521				if (!hasInternetConnection()) {
 522					account.setStatus(Account.State.NO_INTERNET);
 523					if (statusListener != null) {
 524						statusListener.onStatusChanged(account);
 525					}
 526				} else {
 527					if (account.getStatus() == Account.State.NO_INTERNET) {
 528						account.setStatus(Account.State.OFFLINE);
 529						if (statusListener != null) {
 530							statusListener.onStatusChanged(account);
 531						}
 532					}
 533					if (account.getStatus() == Account.State.ONLINE) {
 534						long lastReceived = account.getXmppConnection().getLastPacketReceived();
 535						long lastSent = account.getXmppConnection().getLastPingSent();
 536						long pingInterval = "ui".equals(action) ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 537						long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 538						long pingTimeoutIn = (lastSent + Config.PING_TIMEOUT * 1000) - SystemClock.elapsedRealtime();
 539						if (lastSent > lastReceived) {
 540							if (pingTimeoutIn < 0) {
 541								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": ping timeout");
 542								this.reconnectAccount(account, true, interactive);
 543							} else {
 544								int secs = (int) (pingTimeoutIn / 1000);
 545								this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 546							}
 547						} else if (msToNextPing <= 0) {
 548							account.getXmppConnection().sendPing();
 549							Log.d(Config.LOGTAG, account.getJid().toBareJid() + " send ping");
 550							this.scheduleWakeUpCall(Config.PING_TIMEOUT, account.getUuid().hashCode());
 551						} else {
 552							this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 553						}
 554					} else if (account.getStatus() == Account.State.OFFLINE) {
 555						reconnectAccount(account, true, interactive);
 556					} else if (account.getStatus() == Account.State.CONNECTING) {
 557						long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 558						long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 559						long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 560						long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 561						if (timeout < 0) {
 562							Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting");
 563							reconnectAccount(account, true, interactive);
 564						} else if (discoTimeout < 0) {
 565							account.getXmppConnection().sendDiscoTimeout();
 566							scheduleWakeUpCall((int) Math.min(timeout,discoTimeout), account.getUuid().hashCode());
 567						} else {
 568							scheduleWakeUpCall((int) Math.min(timeout,discoTimeout), account.getUuid().hashCode());
 569						}
 570					} else {
 571						if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 572							reconnectAccount(account, true, interactive);
 573						}
 574					}
 575
 576				}
 577				if (mOnAccountUpdate != null) {
 578					mOnAccountUpdate.onAccountUpdate();
 579				}
 580			}
 581		}
 582		if (wakeLock.isHeld()) {
 583			try {
 584				wakeLock.release();
 585			} catch (final RuntimeException ignored) {
 586			}
 587		}
 588		return START_STICKY;
 589	}
 590
 591	private boolean xaOnSilentMode() {
 592		return getPreferences().getBoolean("xa_on_silent_mode", false);
 593	}
 594
 595	private boolean awayWhenScreenOff() {
 596		return getPreferences().getBoolean("away_when_screen_off", false);
 597	}
 598
 599	private String getCompressPicturesPreference() {
 600		return getPreferences().getString("picture_compression", "auto");
 601	}
 602
 603	private Presence.Status getTargetPresence() {
 604		if (xaOnSilentMode() && isPhoneSilenced()) {
 605			return Presence.Status.XA;
 606		} else if (awayWhenScreenOff() && !isInteractive()) {
 607			return Presence.Status.AWAY;
 608		} else {
 609			return Presence.Status.ONLINE;
 610		}
 611	}
 612
 613	@SuppressLint("NewApi")
 614	@SuppressWarnings("deprecation")
 615	public boolean isInteractive() {
 616		final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 617
 618		final boolean isScreenOn;
 619		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 620			isScreenOn = pm.isScreenOn();
 621		} else {
 622			isScreenOn = pm.isInteractive();
 623		}
 624		return isScreenOn;
 625	}
 626
 627	private boolean isPhoneSilenced() {
 628		AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 629		return audioManager.getRingerMode() == AudioManager.RINGER_MODE_SILENT;
 630	}
 631
 632	private void resetAllAttemptCounts(boolean reallyAll) {
 633		Log.d(Config.LOGTAG, "resetting all attepmt counts");
 634		for (Account account : accounts) {
 635			if (account.hasErrorStatus() || reallyAll) {
 636				final XmppConnection connection = account.getXmppConnection();
 637				if (connection != null) {
 638					connection.resetAttemptCount();
 639				}
 640			}
 641		}
 642	}
 643
 644	public boolean hasInternetConnection() {
 645		ConnectivityManager cm = (ConnectivityManager) getApplicationContext()
 646				.getSystemService(Context.CONNECTIVITY_SERVICE);
 647		NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
 648		return activeNetwork != null && activeNetwork.isConnected();
 649	}
 650
 651	@SuppressLint("TrulyRandom")
 652	@Override
 653	public void onCreate() {
 654		ExceptionHelper.init(getApplicationContext());
 655		PRNGFixes.apply();
 656		this.mRandom = new SecureRandom();
 657		updateMemorizingTrustmanager();
 658		final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
 659		final int cacheSize = maxMemory / 8;
 660		this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
 661			@Override
 662			protected int sizeOf(final String key, final Bitmap bitmap) {
 663				return bitmap.getByteCount() / 1024;
 664			}
 665		};
 666
 667		this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
 668		this.accounts = databaseBackend.getAccounts();
 669
 670		restoreFromDatabase();
 671
 672		getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, contactObserver);
 673		this.fileObserver.startWatching();
 674
 675		this.pgpServiceConnection = new OpenPgpServiceConnection(getApplicationContext(), "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
 676			@Override
 677			public void onBound(IOpenPgpService2 service) {
 678				for (Account account : accounts) {
 679					if (account.getPgpDecryptionService() != null) {
 680						account.getPgpDecryptionService().onOpenPgpServiceBound();
 681					}
 682				}
 683			}
 684
 685			@Override
 686			public void onError(Exception e) { }
 687		});
 688		this.pgpServiceConnection.bindToService();
 689
 690		this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 691		this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "XmppConnectionService");
 692		toggleForegroundService();
 693		updateUnreadCountBadge();
 694		toggleScreenEventReceiver();
 695	}
 696
 697	@Override
 698	public void onTrimMemory(int level) {
 699		super.onTrimMemory(level);
 700		if (level >= TRIM_MEMORY_COMPLETE) {
 701			Log.d(Config.LOGTAG, "clear cache due to low memory");
 702			getBitmapCache().evictAll();
 703		}
 704	}
 705
 706	@Override
 707	public void onDestroy() {
 708		try {
 709			unregisterReceiver(this.mEventReceiver);
 710		} catch (IllegalArgumentException e) {
 711			//ignored
 712		}
 713		super.onDestroy();
 714	}
 715
 716	public void toggleScreenEventReceiver() {
 717		if (awayWhenScreenOff()) {
 718			final IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_ON);
 719			filter.addAction(Intent.ACTION_SCREEN_OFF);
 720			registerReceiver(this.mEventReceiver, filter);
 721		} else {
 722			try {
 723				unregisterReceiver(this.mEventReceiver);
 724			} catch (IllegalArgumentException e) {
 725				//ignored
 726			}
 727		}
 728	}
 729
 730	public void toggleForegroundService() {
 731		if (getPreferences().getBoolean("keep_foreground_service", false)) {
 732			startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, this.mNotificationService.createForegroundNotification());
 733		} else {
 734			stopForeground(true);
 735		}
 736	}
 737
 738	@Override
 739	public void onTaskRemoved(final Intent rootIntent) {
 740		super.onTaskRemoved(rootIntent);
 741		if (!getPreferences().getBoolean("keep_foreground_service", false)) {
 742			this.logoutAndSave();
 743		}
 744	}
 745
 746	private void logoutAndSave() {
 747		for (final Account account : accounts) {
 748			databaseBackend.writeRoster(account.getRoster());
 749			if (account.getXmppConnection() != null) {
 750				new Thread(new Runnable() {
 751					@Override
 752					public void run() {
 753						disconnect(account, false);
 754					}
 755				}).start();
 756
 757			}
 758		}
 759		Context context = getApplicationContext();
 760		AlarmManager alarmManager = (AlarmManager) context
 761				.getSystemService(Context.ALARM_SERVICE);
 762		Intent intent = new Intent(context, EventReceiver.class);
 763		alarmManager.cancel(PendingIntent.getBroadcast(context, 0, intent, 0));
 764		Log.d(Config.LOGTAG, "good bye");
 765		stopSelf();
 766	}
 767
 768	public void scheduleWakeUpCall(int seconds, int requestCode) {
 769		final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
 770
 771		Context context = getApplicationContext();
 772		AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
 773
 774		Intent intent = new Intent(context, EventReceiver.class);
 775		intent.setAction("ping");
 776		PendingIntent alarmIntent = PendingIntent.getBroadcast(context, requestCode, intent, 0);
 777		alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, alarmIntent);
 778	}
 779
 780	public XmppConnection createConnection(final Account account) {
 781		final SharedPreferences sharedPref = getPreferences();
 782		account.setResource(sharedPref.getString("resource", "mobile")
 783				.toLowerCase(Locale.getDefault()));
 784		final XmppConnection connection = new XmppConnection(account, this);
 785		connection.setOnMessagePacketReceivedListener(this.mMessageParser);
 786		connection.setOnStatusChangedListener(this.statusListener);
 787		connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
 788		connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
 789		connection.setOnJinglePacketReceivedListener(this.jingleListener);
 790		connection.setOnBindListener(this.mOnBindListener);
 791		connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
 792		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
 793		AxolotlService axolotlService = account.getAxolotlService();
 794		if (axolotlService != null) {
 795			connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
 796		}
 797		return connection;
 798	}
 799
 800	public void sendChatState(Conversation conversation) {
 801		if (sendChatStates()) {
 802			MessagePacket packet = mMessageGenerator.generateChatState(conversation);
 803			sendMessagePacket(conversation.getAccount(), packet);
 804		}
 805	}
 806
 807	private void sendFileMessage(final Message message, final boolean delay) {
 808		Log.d(Config.LOGTAG, "send file message");
 809		final Account account = message.getConversation().getAccount();
 810		final XmppConnection connection = account.getXmppConnection();
 811		if (connection != null && connection.getFeatures().httpUpload()) {
 812			mHttpConnectionManager.createNewUploadConnection(message, delay);
 813		} else {
 814			mJingleConnectionManager.createNewConnection(message);
 815		}
 816	}
 817
 818	public void sendMessage(final Message message) {
 819		sendMessage(message, false, false);
 820	}
 821
 822	private void sendMessage(final Message message, final boolean resend, final boolean delay) {
 823		final Account account = message.getConversation().getAccount();
 824		final Conversation conversation = message.getConversation();
 825		account.deactivateGracePeriod();
 826		MessagePacket packet = null;
 827		final boolean addToConversation = conversation.getMode() != Conversation.MODE_MULTI
 828				|| account.getServerIdentity() != XmppConnection.Identity.SLACK;
 829		boolean saveInDb = addToConversation;
 830		message.setStatus(Message.STATUS_WAITING);
 831
 832		if (!resend && message.getEncryption() != Message.ENCRYPTION_OTR) {
 833			message.getConversation().endOtrIfNeeded();
 834			message.getConversation().findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR,
 835					new Conversation.OnMessageFound() {
 836						@Override
 837						public void onMessageFound(Message message) {
 838							markMessage(message, Message.STATUS_SEND_FAILED);
 839						}
 840					});
 841		}
 842
 843		if (account.isOnlineAndConnected()) {
 844			switch (message.getEncryption()) {
 845				case Message.ENCRYPTION_NONE:
 846					if (message.needsUploading()) {
 847						if (account.httpUploadAvailable() || message.fixCounterpart()) {
 848							this.sendFileMessage(message, delay);
 849						} else {
 850							break;
 851						}
 852					} else {
 853						packet = mMessageGenerator.generateChat(message);
 854					}
 855					break;
 856				case Message.ENCRYPTION_PGP:
 857				case Message.ENCRYPTION_DECRYPTED:
 858					if (message.needsUploading()) {
 859						if (account.httpUploadAvailable() || message.fixCounterpart()) {
 860							this.sendFileMessage(message, delay);
 861						} else {
 862							break;
 863						}
 864					} else {
 865						packet = mMessageGenerator.generatePgpChat(message);
 866					}
 867					break;
 868				case Message.ENCRYPTION_OTR:
 869					SessionImpl otrSession = conversation.getOtrSession();
 870					if (otrSession != null && otrSession.getSessionStatus() == SessionStatus.ENCRYPTED) {
 871						try {
 872							message.setCounterpart(Jid.fromSessionID(otrSession.getSessionID()));
 873						} catch (InvalidJidException e) {
 874							break;
 875						}
 876						if (message.needsUploading()) {
 877							mJingleConnectionManager.createNewConnection(message);
 878						} else {
 879							packet = mMessageGenerator.generateOtrChat(message);
 880						}
 881					} else if (otrSession == null) {
 882						if (message.fixCounterpart()) {
 883							conversation.startOtrSession(message.getCounterpart().getResourcepart(), true);
 884						} else {
 885							break;
 886						}
 887					}
 888					break;
 889				case Message.ENCRYPTION_AXOLOTL:
 890					message.setAxolotlFingerprint(account.getAxolotlService().getOwnFingerprint());
 891					if (message.needsUploading()) {
 892						if (account.httpUploadAvailable() || message.fixCounterpart()) {
 893							this.sendFileMessage(message, delay);
 894						} else {
 895							break;
 896						}
 897					} else {
 898						XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
 899						if (axolotlMessage == null) {
 900							account.getAxolotlService().preparePayloadMessage(message, delay);
 901						} else {
 902							packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
 903						}
 904					}
 905					break;
 906
 907			}
 908			if (packet != null) {
 909				if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) {
 910					message.setStatus(Message.STATUS_UNSEND);
 911				} else {
 912					message.setStatus(Message.STATUS_SEND);
 913				}
 914			}
 915		} else {
 916			switch (message.getEncryption()) {
 917				case Message.ENCRYPTION_DECRYPTED:
 918					if (!message.needsUploading()) {
 919						String pgpBody = message.getEncryptedBody();
 920						String decryptedBody = message.getBody();
 921						message.setBody(pgpBody);
 922						message.setEncryption(Message.ENCRYPTION_PGP);
 923						databaseBackend.createMessage(message);
 924						saveInDb = false;
 925						message.setBody(decryptedBody);
 926						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 927					}
 928					break;
 929				case Message.ENCRYPTION_OTR:
 930					if (!conversation.hasValidOtrSession() && message.getCounterpart() != null) {
 931						conversation.startOtrSession(message.getCounterpart().getResourcepart(), false);
 932					}
 933					break;
 934				case Message.ENCRYPTION_AXOLOTL:
 935					message.setAxolotlFingerprint(account.getAxolotlService().getOwnFingerprint());
 936					break;
 937			}
 938		}
 939
 940		if (resend) {
 941			if (packet != null && addToConversation) {
 942				if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) {
 943					markMessage(message, Message.STATUS_UNSEND);
 944				} else {
 945					markMessage(message, Message.STATUS_SEND);
 946				}
 947			}
 948		} else {
 949			if (addToConversation) {
 950				conversation.add(message);
 951			}
 952			if (saveInDb && (message.getEncryption() == Message.ENCRYPTION_NONE || saveEncryptedMessages())) {
 953				databaseBackend.createMessage(message);
 954			}
 955			updateConversationUi();
 956		}
 957		if (packet != null) {
 958			if (delay) {
 959				mMessageGenerator.addDelay(packet, message.getTimeSent());
 960			}
 961			if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
 962				if (this.sendChatStates()) {
 963					packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
 964				}
 965			}
 966			sendMessagePacket(account, packet);
 967		}
 968	}
 969
 970	private void sendUnsentMessages(final Conversation conversation) {
 971		conversation.findWaitingMessages(new Conversation.OnMessageFound() {
 972
 973			@Override
 974			public void onMessageFound(Message message) {
 975				resendMessage(message, true);
 976			}
 977		});
 978	}
 979
 980	public void resendMessage(final Message message, final boolean delay) {
 981		sendMessage(message, true, delay);
 982	}
 983
 984	public void fetchRosterFromServer(final Account account) {
 985		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
 986		if (!"".equals(account.getRosterVersion())) {
 987			Log.d(Config.LOGTAG, account.getJid().toBareJid()
 988					+ ": fetching roster version " + account.getRosterVersion());
 989		} else {
 990			Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": fetching roster");
 991		}
 992		iqPacket.query(Xmlns.ROSTER).setAttribute("ver", account.getRosterVersion());
 993		sendIqPacket(account, iqPacket, mIqParser);
 994	}
 995
 996	public void fetchBookmarks(final Account account) {
 997		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
 998		final Element query = iqPacket.query("jabber:iq:private");
 999		query.addChild("storage", "storage:bookmarks");
1000		final OnIqPacketReceived callback = new OnIqPacketReceived() {
1001
1002			@Override
1003			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1004				if (packet.getType() == IqPacket.TYPE.RESULT) {
1005					final Element query = packet.query();
1006					final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1007					final Element storage = query.findChild("storage", "storage:bookmarks");
1008					final boolean autojoin = respectAutojoin();
1009					if (storage != null) {
1010						for (final Element item : storage.getChildren()) {
1011							if (item.getName().equals("conference")) {
1012								final Bookmark bookmark = Bookmark.parse(item, account);
1013								Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1014								if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1015									bookmark.setBookmarkName(old.getBookmarkName());
1016								}
1017								Conversation conversation = find(bookmark);
1018								if (conversation != null) {
1019									conversation.setBookmark(bookmark);
1020								} else if (bookmark.autojoin() && bookmark.getJid() != null && autojoin) {
1021									conversation = findOrCreateConversation(
1022											account, bookmark.getJid(), true);
1023									conversation.setBookmark(bookmark);
1024									joinMuc(conversation);
1025								}
1026							}
1027						}
1028					}
1029					account.setBookmarks(new ArrayList<>(bookmarks.values()));
1030				} else {
1031					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not fetch bookmarks");
1032				}
1033			}
1034		};
1035		sendIqPacket(account, iqPacket, callback);
1036	}
1037
1038	public void pushBookmarks(Account account) {
1039		Log.d(Config.LOGTAG, account.getJid().toBareJid()+": pushing bookmarks");
1040		IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1041		Element query = iqPacket.query("jabber:iq:private");
1042		Element storage = query.addChild("storage", "storage:bookmarks");
1043		for (Bookmark bookmark : account.getBookmarks()) {
1044			storage.addChild(bookmark);
1045		}
1046		sendIqPacket(account, iqPacket, mDefaultIqHandler);
1047	}
1048
1049	public void onPhoneContactsLoaded(final List<Bundle> phoneContacts) {
1050		if (mPhoneContactMergerThread != null) {
1051			mPhoneContactMergerThread.interrupt();
1052		}
1053		mPhoneContactMergerThread = new Thread(new Runnable() {
1054			@Override
1055			public void run() {
1056				Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1057				for (Account account : accounts) {
1058					List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts();
1059					for (Bundle phoneContact : phoneContacts) {
1060						if (Thread.interrupted()) {
1061							Log.d(Config.LOGTAG, "interrupted merging phone contacts");
1062							return;
1063						}
1064						Jid jid;
1065						try {
1066							jid = Jid.fromString(phoneContact.getString("jid"));
1067						} catch (final InvalidJidException e) {
1068							continue;
1069						}
1070						final Contact contact = account.getRoster().getContact(jid);
1071						String systemAccount = phoneContact.getInt("phoneid")
1072								+ "#"
1073								+ phoneContact.getString("lookup");
1074						contact.setSystemAccount(systemAccount);
1075						if (contact.setPhotoUri(phoneContact.getString("photouri"))) {
1076							getAvatarService().clear(contact);
1077						}
1078						contact.setSystemName(phoneContact.getString("displayname"));
1079						withSystemAccounts.remove(contact);
1080					}
1081					for (Contact contact : withSystemAccounts) {
1082						contact.setSystemAccount(null);
1083						contact.setSystemName(null);
1084						if (contact.setPhotoUri(null)) {
1085							getAvatarService().clear(contact);
1086						}
1087					}
1088				}
1089				Log.d(Config.LOGTAG, "finished merging phone contacts");
1090				updateAccountUi();
1091			}
1092		});
1093		mPhoneContactMergerThread.start();
1094	}
1095
1096	private void restoreFromDatabase() {
1097		synchronized (this.conversations) {
1098			final Map<String, Account> accountLookupTable = new Hashtable<>();
1099			for (Account account : this.accounts) {
1100				accountLookupTable.put(account.getUuid(), account);
1101			}
1102			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1103			for (Conversation conversation : this.conversations) {
1104				Account account = accountLookupTable.get(conversation.getAccountUuid());
1105				conversation.setAccount(account);
1106			}
1107			Runnable runnable = new Runnable() {
1108				@Override
1109				public void run() {
1110					Log.d(Config.LOGTAG, "restoring roster");
1111					for (Account account : accounts) {
1112						databaseBackend.readRoster(account.getRoster());
1113						account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1114					}
1115					getBitmapCache().evictAll();
1116					Looper.prepare();
1117					loadPhoneContacts();
1118					Log.d(Config.LOGTAG, "restoring messages");
1119					for (Conversation conversation : conversations) {
1120						conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1121						checkDeletedFiles(conversation);
1122						conversation.findUnreadMessages(new Conversation.OnMessageFound() {
1123							@Override
1124							public void onMessageFound(Message message) {
1125								mNotificationService.pushFromBacklog(message);
1126							}
1127						});
1128					}
1129					mNotificationService.finishBacklog(false);
1130					mRestoredFromDatabase = true;
1131					Log.d(Config.LOGTAG, "restored all messages");
1132					updateConversationUi();
1133				}
1134			};
1135			mDatabaseExecutor.execute(runnable);
1136		}
1137	}
1138
1139	public void loadPhoneContacts() {
1140		PhoneHelper.loadPhoneContacts(getApplicationContext(),
1141				new CopyOnWriteArrayList<Bundle>(),
1142				XmppConnectionService.this);
1143	}
1144
1145	public List<Conversation> getConversations() {
1146		return this.conversations;
1147	}
1148
1149	private void checkDeletedFiles(Conversation conversation) {
1150		conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
1151
1152			@Override
1153			public void onMessageFound(Message message) {
1154				if (!getFileBackend().isFileAvailable(message)) {
1155					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1156					final int s = message.getStatus();
1157					if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1158						markMessage(message, Message.STATUS_SEND_FAILED);
1159					}
1160				}
1161			}
1162		});
1163	}
1164
1165	private void markFileDeleted(String uuid) {
1166		for (Conversation conversation : getConversations()) {
1167			Message message = conversation.findMessageWithFileAndUuid(uuid);
1168			if (message != null) {
1169				if (!getFileBackend().isFileAvailable(message)) {
1170					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1171					final int s = message.getStatus();
1172					if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1173						markMessage(message, Message.STATUS_SEND_FAILED);
1174					} else {
1175						updateConversationUi();
1176					}
1177				}
1178				return;
1179			}
1180		}
1181	}
1182
1183	public void populateWithOrderedConversations(final List<Conversation> list) {
1184		populateWithOrderedConversations(list, true);
1185	}
1186
1187	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1188		list.clear();
1189		if (includeNoFileUpload) {
1190			list.addAll(getConversations());
1191		} else {
1192			for (Conversation conversation : getConversations()) {
1193				if (conversation.getMode() == Conversation.MODE_SINGLE
1194						|| conversation.getAccount().httpUploadAvailable()) {
1195					list.add(conversation);
1196				}
1197			}
1198		}
1199		Collections.sort(list, new Comparator<Conversation>() {
1200			@Override
1201			public int compare(Conversation lhs, Conversation rhs) {
1202				Message left = lhs.getLatestMessage();
1203				Message right = rhs.getLatestMessage();
1204				if (left.getTimeSent() > right.getTimeSent()) {
1205					return -1;
1206				} else if (left.getTimeSent() < right.getTimeSent()) {
1207					return 1;
1208				} else {
1209					return 0;
1210				}
1211			}
1212		});
1213	}
1214
1215	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1216		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1217			return;
1218		} else if (timestamp == 0) {
1219			return;
1220		}
1221		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1222		Runnable runnable = new Runnable() {
1223			@Override
1224			public void run() {
1225				final Account account = conversation.getAccount();
1226				List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1227				if (messages.size() > 0) {
1228					conversation.addAll(0, messages);
1229					checkDeletedFiles(conversation);
1230					callback.onMoreMessagesLoaded(messages.size(), conversation);
1231				} else if (conversation.hasMessagesLeftOnServer()
1232						&& account.isOnlineAndConnected()
1233						&& conversation.getLastClearHistory() == 0) {
1234					if ((conversation.getMode() == Conversation.MODE_SINGLE && account.getXmppConnection().getFeatures().mam())
1235							|| (conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().mamSupport())) {
1236						MessageArchiveService.Query query = getMessageArchiveService().query(conversation, 0, timestamp);
1237						if (query != null) {
1238							query.setCallback(callback);
1239						}
1240						callback.informUser(R.string.fetching_history_from_server);
1241					}
1242				}
1243			}
1244		};
1245		mDatabaseExecutor.execute(runnable);
1246	}
1247
1248	public List<Account> getAccounts() {
1249		return this.accounts;
1250	}
1251
1252	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1253		for (final Conversation conversation : haystack) {
1254			if (conversation.getContact() == contact) {
1255				return conversation;
1256			}
1257		}
1258		return null;
1259	}
1260
1261	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1262		if (jid == null) {
1263			return null;
1264		}
1265		for (final Conversation conversation : haystack) {
1266			if ((account == null || conversation.getAccount() == account)
1267					&& (conversation.getJid().toBareJid().equals(jid.toBareJid()))) {
1268				return conversation;
1269			}
1270		}
1271		return null;
1272	}
1273
1274	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc) {
1275		return this.findOrCreateConversation(account, jid, muc, null);
1276	}
1277
1278	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final MessageArchiveService.Query query) {
1279		synchronized (this.conversations) {
1280			Conversation conversation = find(account, jid);
1281			if (conversation != null) {
1282				return conversation;
1283			}
1284			conversation = databaseBackend.findConversation(account, jid);
1285			if (conversation != null) {
1286				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1287				conversation.setAccount(account);
1288				if (muc) {
1289					conversation.setMode(Conversation.MODE_MULTI);
1290					conversation.setContactJid(jid);
1291				} else {
1292					conversation.setMode(Conversation.MODE_SINGLE);
1293					conversation.setContactJid(jid.toBareJid());
1294				}
1295				conversation.setNextEncryption(-1);
1296				conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1297				this.databaseBackend.updateConversation(conversation);
1298			} else {
1299				String conversationName;
1300				Contact contact = account.getRoster().getContact(jid);
1301				if (contact != null) {
1302					conversationName = contact.getDisplayName();
1303				} else {
1304					conversationName = jid.getLocalpart();
1305				}
1306				if (muc) {
1307					conversation = new Conversation(conversationName, account, jid,
1308							Conversation.MODE_MULTI);
1309				} else {
1310					conversation = new Conversation(conversationName, account, jid.toBareJid(),
1311							Conversation.MODE_SINGLE);
1312				}
1313				this.databaseBackend.createConversation(conversation);
1314			}
1315			if (account.getXmppConnection() != null
1316					&& account.getXmppConnection().getFeatures().mam()
1317					&& !muc) {
1318				if (query == null) {
1319					this.mMessageArchiveService.query(conversation);
1320				} else {
1321					if (query.getConversation() == null) {
1322						this.mMessageArchiveService.query(conversation, query.getStart());
1323					}
1324				}
1325			}
1326			checkDeletedFiles(conversation);
1327			this.conversations.add(conversation);
1328			updateConversationUi();
1329			return conversation;
1330		}
1331	}
1332
1333	public void archiveConversation(Conversation conversation) {
1334		getNotificationService().clear(conversation);
1335		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1336		conversation.setNextEncryption(-1);
1337		synchronized (this.conversations) {
1338			if (conversation.getMode() == Conversation.MODE_MULTI) {
1339				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1340					Bookmark bookmark = conversation.getBookmark();
1341					if (bookmark != null && bookmark.autojoin() && respectAutojoin()) {
1342						bookmark.setAutojoin(false);
1343						pushBookmarks(bookmark.getAccount());
1344					}
1345				}
1346				leaveMuc(conversation);
1347			} else {
1348				conversation.endOtrIfNeeded();
1349				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1350					Log.d(Config.LOGTAG, "Canceling presence request from " + conversation.getJid().toString());
1351					sendPresencePacket(
1352							conversation.getAccount(),
1353							mPresenceGenerator.stopPresenceUpdatesTo(conversation.getContact())
1354					);
1355				}
1356			}
1357			this.databaseBackend.updateConversation(conversation);
1358			this.conversations.remove(conversation);
1359			updateConversationUi();
1360		}
1361	}
1362
1363	public void createAccount(final Account account) {
1364		account.initAccountServices(this);
1365		databaseBackend.createAccount(account);
1366		this.accounts.add(account);
1367		this.reconnectAccountInBackground(account);
1368		updateAccountUi();
1369	}
1370
1371	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
1372		new Thread(new Runnable() {
1373			@Override
1374			public void run() {
1375				try {
1376					X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1377					Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1378					if (findAccountByJid(info.first) == null) {
1379						Account account = new Account(info.first, "");
1380						account.setPrivateKeyAlias(alias);
1381						account.setOption(Account.OPTION_DISABLED, true);
1382						account.setDisplayName(info.second);
1383						createAccount(account);
1384						callback.onAccountCreated(account);
1385						if (Config.X509_VERIFICATION) {
1386							try {
1387								getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1388							} catch (CertificateException e) {
1389								callback.informUser(R.string.certificate_chain_is_not_trusted);
1390							}
1391						}
1392					} else {
1393						callback.informUser(R.string.account_already_exists);
1394					}
1395				} catch (Exception e) {
1396					e.printStackTrace();
1397					callback.informUser(R.string.unable_to_parse_certificate);
1398				}
1399			}
1400		}).start();
1401
1402	}
1403
1404	public void updateKeyInAccount(final Account account, final String alias) {
1405		Log.d(Config.LOGTAG, "update key in account " + alias);
1406		try {
1407			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1408			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1409			if (account.getJid().toBareJid().equals(info.first)) {
1410				account.setPrivateKeyAlias(alias);
1411				account.setDisplayName(info.second);
1412				databaseBackend.updateAccount(account);
1413				if (Config.X509_VERIFICATION) {
1414					try {
1415						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1416					} catch (CertificateException e) {
1417						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
1418					}
1419					account.getAxolotlService().regenerateKeys(true);
1420				}
1421			} else {
1422				showErrorToastInUi(R.string.jid_does_not_match_certificate);
1423			}
1424		} catch (Exception e) {
1425			e.printStackTrace();
1426		}
1427	}
1428
1429	public void updateAccount(final Account account) {
1430		this.statusListener.onStatusChanged(account);
1431		databaseBackend.updateAccount(account);
1432		reconnectAccountInBackground(account);
1433		updateAccountUi();
1434		getNotificationService().updateErrorNotification();
1435	}
1436
1437	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1438		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1439		sendIqPacket(account, iq, new OnIqPacketReceived() {
1440			@Override
1441			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1442				if (packet.getType() == IqPacket.TYPE.RESULT) {
1443					account.setPassword(newPassword);
1444					databaseBackend.updateAccount(account);
1445					callback.onPasswordChangeSucceeded();
1446				} else {
1447					callback.onPasswordChangeFailed();
1448				}
1449			}
1450		});
1451	}
1452
1453	public void deleteAccount(final Account account) {
1454		synchronized (this.conversations) {
1455			for (final Conversation conversation : conversations) {
1456				if (conversation.getAccount() == account) {
1457					if (conversation.getMode() == Conversation.MODE_MULTI) {
1458						leaveMuc(conversation);
1459					} else if (conversation.getMode() == Conversation.MODE_SINGLE) {
1460						conversation.endOtrIfNeeded();
1461					}
1462					conversations.remove(conversation);
1463				}
1464			}
1465			if (account.getXmppConnection() != null) {
1466				this.disconnect(account, true);
1467			}
1468			Runnable runnable = new Runnable() {
1469				@Override
1470				public void run() {
1471					databaseBackend.deleteAccount(account);
1472				}
1473			};
1474			mDatabaseExecutor.execute(runnable);
1475			this.accounts.remove(account);
1476			updateAccountUi();
1477			getNotificationService().updateErrorNotification();
1478		}
1479	}
1480
1481	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
1482		synchronized (this) {
1483			if (checkListeners()) {
1484				switchToForeground();
1485			}
1486			this.mOnConversationUpdate = listener;
1487			this.mNotificationService.setIsInForeground(true);
1488			if (this.convChangedListenerCount < 2) {
1489				this.convChangedListenerCount++;
1490			}
1491		}
1492	}
1493
1494	public void removeOnConversationListChangedListener() {
1495		synchronized (this) {
1496			this.convChangedListenerCount--;
1497			if (this.convChangedListenerCount <= 0) {
1498				this.convChangedListenerCount = 0;
1499				this.mOnConversationUpdate = null;
1500				this.mNotificationService.setIsInForeground(false);
1501				if (checkListeners()) {
1502					switchToBackground();
1503				}
1504			}
1505		}
1506	}
1507
1508	public void setOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
1509		synchronized (this) {
1510			if (checkListeners()) {
1511				switchToForeground();
1512			}
1513			this.mOnShowErrorToast = onShowErrorToast;
1514			if (this.showErrorToastListenerCount < 2) {
1515				this.showErrorToastListenerCount++;
1516			}
1517		}
1518		this.mOnShowErrorToast = onShowErrorToast;
1519	}
1520
1521	public void removeOnShowErrorToastListener() {
1522		synchronized (this) {
1523			this.showErrorToastListenerCount--;
1524			if (this.showErrorToastListenerCount <= 0) {
1525				this.showErrorToastListenerCount = 0;
1526				this.mOnShowErrorToast = null;
1527				if (checkListeners()) {
1528					switchToBackground();
1529				}
1530			}
1531		}
1532	}
1533
1534	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
1535		synchronized (this) {
1536			if (checkListeners()) {
1537				switchToForeground();
1538			}
1539			this.mOnAccountUpdate = listener;
1540			if (this.accountChangedListenerCount < 2) {
1541				this.accountChangedListenerCount++;
1542			}
1543		}
1544	}
1545
1546	public void removeOnAccountListChangedListener() {
1547		synchronized (this) {
1548			this.accountChangedListenerCount--;
1549			if (this.accountChangedListenerCount <= 0) {
1550				this.mOnAccountUpdate = null;
1551				this.accountChangedListenerCount = 0;
1552				if (checkListeners()) {
1553					switchToBackground();
1554				}
1555			}
1556		}
1557	}
1558
1559	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
1560		synchronized (this) {
1561			if (checkListeners()) {
1562				switchToForeground();
1563			}
1564			this.mOnCaptchaRequested = listener;
1565			if (this.captchaRequestedListenerCount < 2) {
1566				this.captchaRequestedListenerCount++;
1567			}
1568		}
1569	}
1570
1571	public void removeOnCaptchaRequestedListener() {
1572		synchronized (this) {
1573			this.captchaRequestedListenerCount--;
1574			if (this.captchaRequestedListenerCount <= 0) {
1575				this.mOnCaptchaRequested = null;
1576				this.captchaRequestedListenerCount = 0;
1577				if (checkListeners()) {
1578					switchToBackground();
1579				}
1580			}
1581		}
1582	}
1583
1584	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
1585		synchronized (this) {
1586			if (checkListeners()) {
1587				switchToForeground();
1588			}
1589			this.mOnRosterUpdate = listener;
1590			if (this.rosterChangedListenerCount < 2) {
1591				this.rosterChangedListenerCount++;
1592			}
1593		}
1594	}
1595
1596	public void removeOnRosterUpdateListener() {
1597		synchronized (this) {
1598			this.rosterChangedListenerCount--;
1599			if (this.rosterChangedListenerCount <= 0) {
1600				this.rosterChangedListenerCount = 0;
1601				this.mOnRosterUpdate = null;
1602				if (checkListeners()) {
1603					switchToBackground();
1604				}
1605			}
1606		}
1607	}
1608
1609	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
1610		synchronized (this) {
1611			if (checkListeners()) {
1612				switchToForeground();
1613			}
1614			this.mOnUpdateBlocklist = listener;
1615			if (this.updateBlocklistListenerCount < 2) {
1616				this.updateBlocklistListenerCount++;
1617			}
1618		}
1619	}
1620
1621	public void removeOnUpdateBlocklistListener() {
1622		synchronized (this) {
1623			this.updateBlocklistListenerCount--;
1624			if (this.updateBlocklistListenerCount <= 0) {
1625				this.updateBlocklistListenerCount = 0;
1626				this.mOnUpdateBlocklist = null;
1627				if (checkListeners()) {
1628					switchToBackground();
1629				}
1630			}
1631		}
1632	}
1633
1634	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
1635		synchronized (this) {
1636			if (checkListeners()) {
1637				switchToForeground();
1638			}
1639			this.mOnKeyStatusUpdated = listener;
1640			if (this.keyStatusUpdatedListenerCount < 2) {
1641				this.keyStatusUpdatedListenerCount++;
1642			}
1643		}
1644	}
1645
1646	public void removeOnNewKeysAvailableListener() {
1647		synchronized (this) {
1648			this.keyStatusUpdatedListenerCount--;
1649			if (this.keyStatusUpdatedListenerCount <= 0) {
1650				this.keyStatusUpdatedListenerCount = 0;
1651				this.mOnKeyStatusUpdated = null;
1652				if (checkListeners()) {
1653					switchToBackground();
1654				}
1655			}
1656		}
1657	}
1658
1659	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
1660		synchronized (this) {
1661			if (checkListeners()) {
1662				switchToForeground();
1663			}
1664			this.mOnMucRosterUpdate = listener;
1665			if (this.mucRosterChangedListenerCount < 2) {
1666				this.mucRosterChangedListenerCount++;
1667			}
1668		}
1669	}
1670
1671	public void removeOnMucRosterUpdateListener() {
1672		synchronized (this) {
1673			this.mucRosterChangedListenerCount--;
1674			if (this.mucRosterChangedListenerCount <= 0) {
1675				this.mucRosterChangedListenerCount = 0;
1676				this.mOnMucRosterUpdate = null;
1677				if (checkListeners()) {
1678					switchToBackground();
1679				}
1680			}
1681		}
1682	}
1683
1684	private boolean checkListeners() {
1685		return (this.mOnAccountUpdate == null
1686				&& this.mOnConversationUpdate == null
1687				&& this.mOnRosterUpdate == null
1688				&& this.mOnCaptchaRequested == null
1689				&& this.mOnUpdateBlocklist == null
1690				&& this.mOnShowErrorToast == null
1691				&& this.mOnKeyStatusUpdated == null);
1692	}
1693
1694	private void switchToForeground() {
1695		for (Conversation conversation : getConversations()) {
1696			conversation.setIncomingChatState(ChatState.ACTIVE);
1697		}
1698		for (Account account : getAccounts()) {
1699			if (account.getStatus() == Account.State.ONLINE) {
1700				XmppConnection connection = account.getXmppConnection();
1701				if (connection != null && connection.getFeatures().csi()) {
1702					connection.sendActive();
1703				}
1704			}
1705		}
1706		Log.d(Config.LOGTAG, "app switched into foreground");
1707	}
1708
1709	private void switchToBackground() {
1710		for (Account account : getAccounts()) {
1711			if (account.getStatus() == Account.State.ONLINE) {
1712				XmppConnection connection = account.getXmppConnection();
1713				if (connection != null && connection.getFeatures().csi()) {
1714					connection.sendInactive();
1715				}
1716			}
1717		}
1718		this.mNotificationService.setIsInForeground(false);
1719		Log.d(Config.LOGTAG, "app switched into background");
1720	}
1721
1722	private void connectMultiModeConversations(Account account) {
1723		List<Conversation> conversations = getConversations();
1724		for (Conversation conversation : conversations) {
1725			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
1726				joinMuc(conversation, true, null);
1727			}
1728		}
1729	}
1730
1731	public void joinMuc(Conversation conversation) {
1732		joinMuc(conversation, false, null);
1733	}
1734
1735	private void joinMuc(Conversation conversation, boolean now, final OnConferenceJoined onConferenceJoined) {
1736		Account account = conversation.getAccount();
1737		account.pendingConferenceJoins.remove(conversation);
1738		account.pendingConferenceLeaves.remove(conversation);
1739		if (account.getStatus() == Account.State.ONLINE || now) {
1740			conversation.resetMucOptions();
1741			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
1742
1743				private void join(Conversation conversation) {
1744					Account account = conversation.getAccount();
1745					final String nick = conversation.getMucOptions().getProposedNick();
1746					final Jid joinJid = conversation.getMucOptions().createJoinJid(nick);
1747					Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": joining conversation " + joinJid.toString());
1748					PresencePacket packet = new PresencePacket();
1749					packet.setFrom(conversation.getAccount().getJid());
1750					packet.setTo(joinJid);
1751					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
1752					if (conversation.getMucOptions().getPassword() != null) {
1753						x.addChild("password").setContent(conversation.getMucOptions().getPassword());
1754					}
1755
1756					if (conversation.getMucOptions().mamSupport()) {
1757						// Use MAM instead of the limited muc history to get history
1758						x.addChild("history").setAttribute("maxchars", "0");
1759					} else {
1760						// Fallback to muc history
1761						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted()));
1762					}
1763					String sig = account.getPgpSignature();
1764					if (sig != null) {
1765						packet.addChild("x", "jabber:x:signed").setContent(sig);
1766					}
1767					sendPresencePacket(account, packet);
1768					if (onConferenceJoined != null) {
1769						onConferenceJoined.onConferenceJoined(conversation);
1770					}
1771					if (!joinJid.equals(conversation.getJid())) {
1772						conversation.setContactJid(joinJid);
1773						databaseBackend.updateConversation(conversation);
1774					}
1775					conversation.setHasMessagesLeftOnServer(false);
1776					if (conversation.getMucOptions().mamSupport()) {
1777						getMessageArchiveService().catchupMUC(conversation);
1778					}
1779					sendUnsentMessages(conversation);
1780				}
1781
1782				@Override
1783				public void onConferenceConfigurationFetched(Conversation conversation) {
1784					join(conversation);
1785				}
1786
1787				@Override
1788				public void onFetchFailed(final Conversation conversation, Element error) {
1789					join(conversation);
1790					fetchConferenceConfiguration(conversation);
1791				}
1792			});
1793
1794		} else {
1795			account.pendingConferenceJoins.add(conversation);
1796		}
1797	}
1798
1799	public void providePasswordForMuc(Conversation conversation, String password) {
1800		if (conversation.getMode() == Conversation.MODE_MULTI) {
1801			conversation.getMucOptions().setPassword(password);
1802			if (conversation.getBookmark() != null) {
1803				if (respectAutojoin()) {
1804					conversation.getBookmark().setAutojoin(true);
1805				}
1806				pushBookmarks(conversation.getAccount());
1807			}
1808			databaseBackend.updateConversation(conversation);
1809			joinMuc(conversation);
1810		}
1811	}
1812
1813	public void renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
1814		final MucOptions options = conversation.getMucOptions();
1815		final Jid joinJid = options.createJoinJid(nick);
1816		if (options.online()) {
1817			Account account = conversation.getAccount();
1818			options.setOnRenameListener(new OnRenameListener() {
1819
1820				@Override
1821				public void onSuccess() {
1822					conversation.setContactJid(joinJid);
1823					databaseBackend.updateConversation(conversation);
1824					Bookmark bookmark = conversation.getBookmark();
1825					if (bookmark != null) {
1826						bookmark.setNick(nick);
1827						pushBookmarks(bookmark.getAccount());
1828					}
1829					callback.success(conversation);
1830				}
1831
1832				@Override
1833				public void onFailure() {
1834					callback.error(R.string.nick_in_use, conversation);
1835				}
1836			});
1837
1838			PresencePacket packet = new PresencePacket();
1839			packet.setTo(joinJid);
1840			packet.setFrom(conversation.getAccount().getJid());
1841
1842			String sig = account.getPgpSignature();
1843			if (sig != null) {
1844				packet.addChild("status").setContent("online");
1845				packet.addChild("x", "jabber:x:signed").setContent(sig);
1846			}
1847			sendPresencePacket(account, packet);
1848		} else {
1849			conversation.setContactJid(joinJid);
1850			databaseBackend.updateConversation(conversation);
1851			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1852				Bookmark bookmark = conversation.getBookmark();
1853				if (bookmark != null) {
1854					bookmark.setNick(nick);
1855					pushBookmarks(bookmark.getAccount());
1856				}
1857				joinMuc(conversation);
1858			}
1859		}
1860	}
1861
1862	public void leaveMuc(Conversation conversation) {
1863		leaveMuc(conversation, false);
1864	}
1865
1866	private void leaveMuc(Conversation conversation, boolean now) {
1867		Account account = conversation.getAccount();
1868		account.pendingConferenceJoins.remove(conversation);
1869		account.pendingConferenceLeaves.remove(conversation);
1870		if (account.getStatus() == Account.State.ONLINE || now) {
1871			PresencePacket packet = new PresencePacket();
1872			packet.setTo(conversation.getJid());
1873			packet.setFrom(conversation.getAccount().getJid());
1874			packet.setAttribute("type", "unavailable");
1875			sendPresencePacket(conversation.getAccount(), packet);
1876			conversation.getMucOptions().setOffline();
1877			conversation.deregisterWithBookmark();
1878			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid()
1879					+ ": leaving muc " + conversation.getJid());
1880		} else {
1881			account.pendingConferenceLeaves.add(conversation);
1882		}
1883	}
1884
1885	private String findConferenceServer(final Account account) {
1886		String server;
1887		if (account.getXmppConnection() != null) {
1888			server = account.getXmppConnection().getMucServer();
1889			if (server != null) {
1890				return server;
1891			}
1892		}
1893		for (Account other : getAccounts()) {
1894			if (other != account && other.getXmppConnection() != null) {
1895				server = other.getXmppConnection().getMucServer();
1896				if (server != null) {
1897					return server;
1898				}
1899			}
1900		}
1901		return null;
1902	}
1903
1904	public void createAdhocConference(final Account account, final Iterable<Jid> jids, final UiCallback<Conversation> callback) {
1905		Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": creating adhoc conference with " + jids.toString());
1906		if (account.getStatus() == Account.State.ONLINE) {
1907			try {
1908				String server = findConferenceServer(account);
1909				if (server == null) {
1910					if (callback != null) {
1911						callback.error(R.string.no_conference_server_found, null);
1912					}
1913					return;
1914				}
1915				String name = new BigInteger(75, getRNG()).toString(32);
1916				Jid jid = Jid.fromParts(name, server, null);
1917				final Conversation conversation = findOrCreateConversation(account, jid, true);
1918				joinMuc(conversation, true, new OnConferenceJoined() {
1919					@Override
1920					public void onConferenceJoined(final Conversation conversation) {
1921						Bundle options = new Bundle();
1922						options.putString("muc#roomconfig_persistentroom", "1");
1923						options.putString("muc#roomconfig_membersonly", "1");
1924						options.putString("muc#roomconfig_publicroom", "0");
1925						options.putString("muc#roomconfig_whois", "anyone");
1926						pushConferenceConfiguration(conversation, options, new OnConferenceOptionsPushed() {
1927							@Override
1928							public void onPushSucceeded() {
1929								for (Jid invite : jids) {
1930									invite(conversation, invite);
1931								}
1932								if (account.countPresences() > 1) {
1933									directInvite(conversation, account.getJid().toBareJid());
1934								}
1935								if (callback != null) {
1936									callback.success(conversation);
1937								}
1938							}
1939
1940							@Override
1941							public void onPushFailed() {
1942								if (callback != null) {
1943									callback.error(R.string.conference_creation_failed, conversation);
1944								}
1945							}
1946						});
1947					}
1948				});
1949			} catch (InvalidJidException e) {
1950				if (callback != null) {
1951					callback.error(R.string.conference_creation_failed, null);
1952				}
1953			}
1954		} else {
1955			if (callback != null) {
1956				callback.error(R.string.not_connected_try_again, null);
1957			}
1958		}
1959	}
1960
1961	public void fetchConferenceConfiguration(final Conversation conversation) {
1962		fetchConferenceConfiguration(conversation, null);
1963	}
1964
1965	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
1966		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
1967		request.setTo(conversation.getJid().toBareJid());
1968		request.query("http://jabber.org/protocol/disco#info");
1969		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
1970			@Override
1971			public void onIqPacketReceived(Account account, IqPacket packet) {
1972				if (packet.getType() == IqPacket.TYPE.RESULT) {
1973					ArrayList<String> features = new ArrayList<>();
1974					Element query = packet.query();
1975					for (Element child : query.getChildren()) {
1976						if (child != null && child.getName().equals("feature")) {
1977							String var = child.getAttribute("var");
1978							if (var != null) {
1979								features.add(var);
1980							}
1981						}
1982					}
1983					Element form = query.findChild("x", "jabber:x:data");
1984					if (form != null) {
1985						conversation.getMucOptions().updateFormData(Data.parse(form));
1986					}
1987					conversation.getMucOptions().updateFeatures(features);
1988					if (callback != null) {
1989						callback.onConferenceConfigurationFetched(conversation);
1990					}
1991					updateConversationUi();
1992				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
1993					if (callback != null) {
1994						callback.onFetchFailed(conversation, packet.getError());
1995					}
1996				}
1997			}
1998		});
1999	}
2000
2001	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConferenceOptionsPushed callback) {
2002		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2003		request.setTo(conversation.getJid().toBareJid());
2004		request.query("http://jabber.org/protocol/muc#owner");
2005		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2006			@Override
2007			public void onIqPacketReceived(Account account, IqPacket packet) {
2008				if (packet.getType() == IqPacket.TYPE.RESULT) {
2009					Data data = Data.parse(packet.query().findChild("x", "jabber:x:data"));
2010					for (Field field : data.getFields()) {
2011						if (options.containsKey(field.getFieldName())) {
2012							field.setValue(options.getString(field.getFieldName()));
2013						}
2014					}
2015					data.submit();
2016					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
2017					set.setTo(conversation.getJid().toBareJid());
2018					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
2019					sendIqPacket(account, set, new OnIqPacketReceived() {
2020						@Override
2021						public void onIqPacketReceived(Account account, IqPacket packet) {
2022							if (callback != null) {
2023								if (packet.getType() == IqPacket.TYPE.RESULT) {
2024									callback.onPushSucceeded();
2025								} else {
2026									callback.onPushFailed();
2027								}
2028							}
2029						}
2030					});
2031				} else {
2032					if (callback != null) {
2033						callback.onPushFailed();
2034					}
2035				}
2036			}
2037		});
2038	}
2039
2040	public void pushSubjectToConference(final Conversation conference, final String subject) {
2041		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, subject);
2042		this.sendMessagePacket(conference.getAccount(), packet);
2043		final MucOptions mucOptions = conference.getMucOptions();
2044		final MucOptions.User self = mucOptions.getSelf();
2045		if (!mucOptions.persistent() && self.getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
2046			Bundle options = new Bundle();
2047			options.putString("muc#roomconfig_persistentroom", "1");
2048			this.pushConferenceConfiguration(conference, options, null);
2049		}
2050	}
2051
2052	public void changeAffiliationInConference(final Conversation conference, Jid user, MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
2053		final Jid jid = user.toBareJid();
2054		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
2055		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2056			@Override
2057			public void onIqPacketReceived(Account account, IqPacket packet) {
2058				if (packet.getType() == IqPacket.TYPE.RESULT) {
2059					callback.onAffiliationChangedSuccessful(jid);
2060				} else {
2061					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
2062				}
2063			}
2064		});
2065	}
2066
2067	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
2068		List<Jid> jids = new ArrayList<>();
2069		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
2070			if (user.getAffiliation() == before && user.getJid() != null) {
2071				jids.add(user.getJid());
2072			}
2073		}
2074		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
2075		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
2076	}
2077
2078	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
2079		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
2080		Log.d(Config.LOGTAG, request.toString());
2081		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2082			@Override
2083			public void onIqPacketReceived(Account account, IqPacket packet) {
2084				Log.d(Config.LOGTAG, packet.toString());
2085				if (packet.getType() == IqPacket.TYPE.RESULT) {
2086					callback.onRoleChangedSuccessful(nick);
2087				} else {
2088					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
2089				}
2090			}
2091		});
2092	}
2093
2094	private void disconnect(Account account, boolean force) {
2095		if ((account.getStatus() == Account.State.ONLINE)
2096				|| (account.getStatus() == Account.State.DISABLED)) {
2097			if (!force) {
2098				List<Conversation> conversations = getConversations();
2099				for (Conversation conversation : conversations) {
2100					if (conversation.getAccount() == account) {
2101						if (conversation.getMode() == Conversation.MODE_MULTI) {
2102							leaveMuc(conversation, true);
2103						} else {
2104							if (conversation.endOtrIfNeeded()) {
2105								Log.d(Config.LOGTAG, account.getJid().toBareJid()
2106										+ ": ended otr session with "
2107										+ conversation.getJid());
2108							}
2109						}
2110					}
2111				}
2112				sendOfflinePresence(account);
2113			}
2114			account.getXmppConnection().disconnect(force);
2115		}
2116	}
2117
2118	@Override
2119	public IBinder onBind(Intent intent) {
2120		return mBinder;
2121	}
2122
2123	public void updateMessage(Message message) {
2124		databaseBackend.updateMessage(message);
2125		updateConversationUi();
2126	}
2127
2128	protected void syncDirtyContacts(Account account) {
2129		for (Contact contact : account.getRoster().getContacts()) {
2130			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
2131				pushContactToServer(contact);
2132			}
2133			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
2134				deleteContactOnServer(contact);
2135			}
2136		}
2137	}
2138
2139	public void createContact(Contact contact) {
2140		boolean autoGrant = getPreferences().getBoolean("grant_new_contacts", true);
2141		if (autoGrant) {
2142			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
2143			contact.setOption(Contact.Options.ASKING);
2144		}
2145		pushContactToServer(contact);
2146	}
2147
2148	public void onOtrSessionEstablished(Conversation conversation) {
2149		final Account account = conversation.getAccount();
2150		final Session otrSession = conversation.getOtrSession();
2151		Log.d(Config.LOGTAG,
2152				account.getJid().toBareJid() + " otr session established with "
2153						+ conversation.getJid() + "/"
2154						+ otrSession.getSessionID().getUserID());
2155		conversation.findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR, new Conversation.OnMessageFound() {
2156
2157			@Override
2158			public void onMessageFound(Message message) {
2159				SessionID id = otrSession.getSessionID();
2160				try {
2161					message.setCounterpart(Jid.fromString(id.getAccountID() + "/" + id.getUserID()));
2162				} catch (InvalidJidException e) {
2163					return;
2164				}
2165				if (message.needsUploading()) {
2166					mJingleConnectionManager.createNewConnection(message);
2167				} else {
2168					MessagePacket outPacket = mMessageGenerator.generateOtrChat(message);
2169					if (outPacket != null) {
2170						mMessageGenerator.addDelay(outPacket, message.getTimeSent());
2171						message.setStatus(Message.STATUS_SEND);
2172						databaseBackend.updateMessage(message);
2173						sendMessagePacket(account, outPacket);
2174					}
2175				}
2176				updateConversationUi();
2177			}
2178		});
2179	}
2180
2181	public boolean renewSymmetricKey(Conversation conversation) {
2182		Account account = conversation.getAccount();
2183		byte[] symmetricKey = new byte[32];
2184		this.mRandom.nextBytes(symmetricKey);
2185		Session otrSession = conversation.getOtrSession();
2186		if (otrSession != null) {
2187			MessagePacket packet = new MessagePacket();
2188			packet.setType(MessagePacket.TYPE_CHAT);
2189			packet.setFrom(account.getJid());
2190			MessageGenerator.addMessageHints(packet);
2191			packet.setAttribute("to", otrSession.getSessionID().getAccountID() + "/"
2192					+ otrSession.getSessionID().getUserID());
2193			try {
2194				packet.setBody(otrSession
2195						.transformSending(CryptoHelper.FILETRANSFER
2196								+ CryptoHelper.bytesToHex(symmetricKey))[0]);
2197				sendMessagePacket(account, packet);
2198				conversation.setSymmetricKey(symmetricKey);
2199				return true;
2200			} catch (OtrException e) {
2201				return false;
2202			}
2203		}
2204		return false;
2205	}
2206
2207	public void pushContactToServer(final Contact contact) {
2208		contact.resetOption(Contact.Options.DIRTY_DELETE);
2209		contact.setOption(Contact.Options.DIRTY_PUSH);
2210		final Account account = contact.getAccount();
2211		if (account.getStatus() == Account.State.ONLINE) {
2212			final boolean ask = contact.getOption(Contact.Options.ASKING);
2213			final boolean sendUpdates = contact
2214					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
2215					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
2216			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2217			iq.query(Xmlns.ROSTER).addChild(contact.asElement());
2218			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2219			if (sendUpdates) {
2220				sendPresencePacket(account,
2221						mPresenceGenerator.sendPresenceUpdatesTo(contact));
2222			}
2223			if (ask) {
2224				sendPresencePacket(account,
2225						mPresenceGenerator.requestPresenceUpdatesFrom(contact));
2226			}
2227		}
2228	}
2229
2230	public void publishAvatar(final Account account,
2231							  final Uri image,
2232							  final UiCallback<Avatar> callback) {
2233		final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2234		final int size = Config.AVATAR_SIZE;
2235		final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2236		if (avatar != null) {
2237			avatar.height = size;
2238			avatar.width = size;
2239			if (format.equals(Bitmap.CompressFormat.WEBP)) {
2240				avatar.type = "image/webp";
2241			} else if (format.equals(Bitmap.CompressFormat.JPEG)) {
2242				avatar.type = "image/jpeg";
2243			} else if (format.equals(Bitmap.CompressFormat.PNG)) {
2244				avatar.type = "image/png";
2245			}
2246			if (!getFileBackend().save(avatar)) {
2247				callback.error(R.string.error_saving_avatar, avatar);
2248				return;
2249			}
2250			final IqPacket packet = this.mIqGenerator.publishAvatar(avatar);
2251			this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2252
2253				@Override
2254				public void onIqPacketReceived(Account account, IqPacket result) {
2255					if (result.getType() == IqPacket.TYPE.RESULT) {
2256						final IqPacket packet = XmppConnectionService.this.mIqGenerator
2257								.publishAvatarMetadata(avatar);
2258						sendIqPacket(account, packet, new OnIqPacketReceived() {
2259							@Override
2260							public void onIqPacketReceived(Account account, IqPacket result) {
2261								if (result.getType() == IqPacket.TYPE.RESULT) {
2262									if (account.setAvatar(avatar.getFilename())) {
2263										getAvatarService().clear(account);
2264										databaseBackend.updateAccount(account);
2265									}
2266									callback.success(avatar);
2267								} else {
2268									callback.error(
2269											R.string.error_publish_avatar_server_reject,
2270											avatar);
2271								}
2272							}
2273						});
2274					} else {
2275						callback.error(
2276								R.string.error_publish_avatar_server_reject,
2277								avatar);
2278					}
2279				}
2280			});
2281		} else {
2282			callback.error(R.string.error_publish_avatar_converting, null);
2283		}
2284	}
2285
2286	public void fetchAvatar(Account account, Avatar avatar) {
2287		fetchAvatar(account, avatar, null);
2288	}
2289
2290	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2291		final String KEY = generateFetchKey(account, avatar);
2292		synchronized (this.mInProgressAvatarFetches) {
2293			if (this.mInProgressAvatarFetches.contains(KEY)) {
2294				return;
2295			} else {
2296				switch (avatar.origin) {
2297					case PEP:
2298						this.mInProgressAvatarFetches.add(KEY);
2299						fetchAvatarPep(account, avatar, callback);
2300						break;
2301					case VCARD:
2302						this.mInProgressAvatarFetches.add(KEY);
2303						fetchAvatarVcard(account, avatar, callback);
2304						break;
2305				}
2306			}
2307		}
2308	}
2309
2310	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2311		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
2312		sendIqPacket(account, packet, new OnIqPacketReceived() {
2313
2314			@Override
2315			public void onIqPacketReceived(Account account, IqPacket result) {
2316				synchronized (mInProgressAvatarFetches) {
2317					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2318				}
2319				final String ERROR = account.getJid().toBareJid()
2320						+ ": fetching avatar for " + avatar.owner + " failed ";
2321				if (result.getType() == IqPacket.TYPE.RESULT) {
2322					avatar.image = mIqParser.avatarData(result);
2323					if (avatar.image != null) {
2324						if (getFileBackend().save(avatar)) {
2325							if (account.getJid().toBareJid().equals(avatar.owner)) {
2326								if (account.setAvatar(avatar.getFilename())) {
2327									databaseBackend.updateAccount(account);
2328								}
2329								getAvatarService().clear(account);
2330								updateConversationUi();
2331								updateAccountUi();
2332							} else {
2333								Contact contact = account.getRoster()
2334										.getContact(avatar.owner);
2335								contact.setAvatar(avatar);
2336								getAvatarService().clear(contact);
2337								updateConversationUi();
2338								updateRosterUi();
2339							}
2340							if (callback != null) {
2341								callback.success(avatar);
2342							}
2343							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2344									+ ": succesfuly fetched pep avatar for " + avatar.owner);
2345							return;
2346						}
2347					} else {
2348
2349						Log.d(Config.LOGTAG, ERROR + "(parsing error)");
2350					}
2351				} else {
2352					Element error = result.findChild("error");
2353					if (error == null) {
2354						Log.d(Config.LOGTAG, ERROR + "(server error)");
2355					} else {
2356						Log.d(Config.LOGTAG, ERROR + error.toString());
2357					}
2358				}
2359				if (callback != null) {
2360					callback.error(0, null);
2361				}
2362
2363			}
2364		});
2365	}
2366
2367	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2368		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
2369		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2370			@Override
2371			public void onIqPacketReceived(Account account, IqPacket packet) {
2372				synchronized (mInProgressAvatarFetches) {
2373					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2374				}
2375				if (packet.getType() == IqPacket.TYPE.RESULT) {
2376					Element vCard = packet.findChild("vCard", "vcard-temp");
2377					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
2378					String image = photo != null ? photo.findChildContent("BINVAL") : null;
2379					if (image != null) {
2380						avatar.image = image;
2381						if (getFileBackend().save(avatar)) {
2382							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2383									+ ": successfully fetched vCard avatar for " + avatar.owner);
2384							if (avatar.owner.isBareJid()) {
2385								Contact contact = account.getRoster()
2386										.getContact(avatar.owner);
2387								contact.setAvatar(avatar);
2388								getAvatarService().clear(contact);
2389								updateConversationUi();
2390								updateRosterUi();
2391							} else {
2392								Conversation conversation = find(account, avatar.owner.toBareJid());
2393								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
2394									MucOptions.User user = conversation.getMucOptions().findUser(avatar.owner.getResourcepart());
2395									if (user != null) {
2396										if (user.setAvatar(avatar)) {
2397											getAvatarService().clear(user);
2398											updateConversationUi();
2399											updateMucRosterUi();
2400										}
2401									}
2402								}
2403							}
2404						}
2405					}
2406				}
2407			}
2408		});
2409	}
2410
2411	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
2412		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2413		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2414
2415			@Override
2416			public void onIqPacketReceived(Account account, IqPacket packet) {
2417				if (packet.getType() == IqPacket.TYPE.RESULT) {
2418					Element pubsub = packet.findChild("pubsub",
2419							"http://jabber.org/protocol/pubsub");
2420					if (pubsub != null) {
2421						Element items = pubsub.findChild("items");
2422						if (items != null) {
2423							Avatar avatar = Avatar.parseMetadata(items);
2424							if (avatar != null) {
2425								avatar.owner = account.getJid().toBareJid();
2426								if (fileBackend.isAvatarCached(avatar)) {
2427									if (account.setAvatar(avatar.getFilename())) {
2428										databaseBackend.updateAccount(account);
2429									}
2430									getAvatarService().clear(account);
2431									callback.success(avatar);
2432								} else {
2433									fetchAvatarPep(account, avatar, callback);
2434								}
2435								return;
2436							}
2437						}
2438					}
2439				}
2440				callback.error(0, null);
2441			}
2442		});
2443	}
2444
2445	public void deleteContactOnServer(Contact contact) {
2446		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
2447		contact.resetOption(Contact.Options.DIRTY_PUSH);
2448		contact.setOption(Contact.Options.DIRTY_DELETE);
2449		Account account = contact.getAccount();
2450		if (account.getStatus() == Account.State.ONLINE) {
2451			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2452			Element item = iq.query(Xmlns.ROSTER).addChild("item");
2453			item.setAttribute("jid", contact.getJid().toString());
2454			item.setAttribute("subscription", "remove");
2455			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2456		}
2457	}
2458
2459	public void updateConversation(Conversation conversation) {
2460		this.databaseBackend.updateConversation(conversation);
2461	}
2462
2463	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
2464		synchronized (account) {
2465			XmppConnection connection = account.getXmppConnection();
2466			if (connection != null) {
2467				disconnect(account, force);
2468			} else {
2469				connection = createConnection(account);
2470				account.setXmppConnection(connection);
2471			}
2472			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2473				synchronized (this.mInProgressAvatarFetches) {
2474					for (Iterator<String> iterator = this.mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
2475						final String KEY = iterator.next();
2476						if (KEY.startsWith(account.getJid().toBareJid() + "_")) {
2477							iterator.remove();
2478						}
2479					}
2480				}
2481				if (!force) {
2482					try {
2483						Log.d(Config.LOGTAG, "wait for disconnect");
2484						Thread.sleep(500); //sleep  wait for disconnect
2485					} catch (InterruptedException e) {
2486						//ignored
2487					}
2488				}
2489				Thread thread = new Thread(connection);
2490				connection.setInteractive(interactive);
2491				thread.start();
2492				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
2493			} else {
2494				account.getRoster().clearPresences();
2495				connection.resetEverything();
2496			}
2497		}
2498	}
2499
2500	public void reconnectAccountInBackground(final Account account) {
2501		new Thread(new Runnable() {
2502			@Override
2503			public void run() {
2504				reconnectAccount(account, false, true);
2505			}
2506		}).start();
2507	}
2508
2509	public void invite(Conversation conversation, Jid contact) {
2510		Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": inviting " + contact + " to " + conversation.getJid().toBareJid());
2511		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
2512		sendMessagePacket(conversation.getAccount(), packet);
2513	}
2514
2515	public void directInvite(Conversation conversation, Jid jid) {
2516		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
2517		sendMessagePacket(conversation.getAccount(), packet);
2518	}
2519
2520	public void resetSendingToWaiting(Account account) {
2521		for (Conversation conversation : getConversations()) {
2522			if (conversation.getAccount() == account) {
2523				conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
2524
2525					@Override
2526					public void onMessageFound(Message message) {
2527						markMessage(message, Message.STATUS_WAITING);
2528					}
2529				});
2530			}
2531		}
2532	}
2533
2534	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
2535		if (uuid == null) {
2536			return null;
2537		}
2538		for (Conversation conversation : getConversations()) {
2539			if (conversation.getJid().toBareJid().equals(recipient) && conversation.getAccount() == account) {
2540				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
2541				if (message != null) {
2542					markMessage(message, status);
2543				}
2544				return message;
2545			}
2546		}
2547		return null;
2548	}
2549
2550	public boolean markMessage(Conversation conversation, String uuid, int status) {
2551		if (uuid == null) {
2552			return false;
2553		} else {
2554			Message message = conversation.findSentMessageWithUuid(uuid);
2555			if (message != null) {
2556				markMessage(message, status);
2557				return true;
2558			} else {
2559				return false;
2560			}
2561		}
2562	}
2563
2564	public void markMessage(Message message, int status) {
2565		if (status == Message.STATUS_SEND_FAILED
2566				&& (message.getStatus() == Message.STATUS_SEND_RECEIVED || message
2567				.getStatus() == Message.STATUS_SEND_DISPLAYED)) {
2568			return;
2569		}
2570		message.setStatus(status);
2571		databaseBackend.updateMessage(message);
2572		updateConversationUi();
2573	}
2574
2575	public SharedPreferences getPreferences() {
2576		return PreferenceManager
2577				.getDefaultSharedPreferences(getApplicationContext());
2578	}
2579
2580	public boolean confirmMessages() {
2581		return getPreferences().getBoolean("confirm_messages", true);
2582	}
2583
2584	public boolean sendChatStates() {
2585		return getPreferences().getBoolean("chat_states", false);
2586	}
2587
2588	public boolean saveEncryptedMessages() {
2589		return !getPreferences().getBoolean("dont_save_encrypted", false);
2590	}
2591
2592	private boolean respectAutojoin() {
2593		return getPreferences().getBoolean("autojoin", true);
2594	}
2595
2596	public boolean indicateReceived() {
2597		return getPreferences().getBoolean("indicate_received", false);
2598	}
2599
2600	public boolean useTorToConnect() {
2601		return Config.FORCE_ORBOT || getPreferences().getBoolean("use_tor", false);
2602	}
2603
2604	public boolean showExtendedConnectionOptions() {
2605		return getPreferences().getBoolean("show_connection_options", false);
2606	}
2607
2608	public int unreadCount() {
2609		int count = 0;
2610		for (Conversation conversation : getConversations()) {
2611			count += conversation.unreadCount();
2612		}
2613		return count;
2614	}
2615
2616
2617	public void showErrorToastInUi(int resId) {
2618		if (mOnShowErrorToast != null) {
2619			mOnShowErrorToast.onShowErrorToast(resId);
2620		}
2621	}
2622
2623	public void updateConversationUi() {
2624		if (mOnConversationUpdate != null) {
2625			mOnConversationUpdate.onConversationUpdate();
2626		}
2627	}
2628
2629	public void updateAccountUi() {
2630		if (mOnAccountUpdate != null) {
2631			mOnAccountUpdate.onAccountUpdate();
2632		}
2633	}
2634
2635	public void updateRosterUi() {
2636		if (mOnRosterUpdate != null) {
2637			mOnRosterUpdate.onRosterUpdate();
2638		}
2639	}
2640
2641	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
2642		boolean rc = false;
2643		if (mOnCaptchaRequested != null) {
2644			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
2645			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
2646					(int) (captcha.getHeight() * metrics.scaledDensity), false);
2647
2648			mOnCaptchaRequested.onCaptchaRequested(account, id, data, scaled);
2649			rc = true;
2650		}
2651
2652		return rc;
2653	}
2654
2655	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
2656		if (mOnUpdateBlocklist != null) {
2657			mOnUpdateBlocklist.OnUpdateBlocklist(status);
2658		}
2659	}
2660
2661	public void updateMucRosterUi() {
2662		if (mOnMucRosterUpdate != null) {
2663			mOnMucRosterUpdate.onMucRosterUpdate();
2664		}
2665	}
2666
2667	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
2668		if (mOnKeyStatusUpdated != null) {
2669			mOnKeyStatusUpdated.onKeyStatusUpdated(report);
2670		}
2671	}
2672
2673	public Account findAccountByJid(final Jid accountJid) {
2674		for (Account account : this.accounts) {
2675			if (account.getJid().toBareJid().equals(accountJid.toBareJid())) {
2676				return account;
2677			}
2678		}
2679		return null;
2680	}
2681
2682	public Conversation findConversationByUuid(String uuid) {
2683		for (Conversation conversation : getConversations()) {
2684			if (conversation.getUuid().equals(uuid)) {
2685				return conversation;
2686			}
2687		}
2688		return null;
2689	}
2690
2691	public void markRead(final Conversation conversation) {
2692		mNotificationService.clear(conversation);
2693		final List<Message> readMessages = conversation.markRead();
2694		if (readMessages.size() > 0) {
2695			Runnable runnable = new Runnable() {
2696				@Override
2697				public void run() {
2698					for (Message message : readMessages) {
2699						databaseBackend.updateMessage(message);
2700					}
2701				}
2702			};
2703			mDatabaseExecutor.execute(runnable);
2704		}
2705		updateUnreadCountBadge();
2706	}
2707
2708	public synchronized void updateUnreadCountBadge() {
2709		int count = unreadCount();
2710		if (unreadCount != count) {
2711			Log.d(Config.LOGTAG, "update unread count to " + count);
2712			if (count > 0) {
2713				ShortcutBadger.with(getApplicationContext()).count(count);
2714			} else {
2715				ShortcutBadger.with(getApplicationContext()).remove();
2716			}
2717			unreadCount = count;
2718		}
2719	}
2720
2721	public void sendReadMarker(final Conversation conversation) {
2722		final Message markable = conversation.getLatestMarkableMessage();
2723		this.markRead(conversation);
2724		if (confirmMessages() && markable != null && markable.getRemoteMsgId() != null) {
2725			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
2726			Account account = conversation.getAccount();
2727			final Jid to = markable.getCounterpart();
2728			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId());
2729			this.sendMessagePacket(conversation.getAccount(), packet);
2730		}
2731		updateConversationUi();
2732	}
2733
2734	public SecureRandom getRNG() {
2735		return this.mRandom;
2736	}
2737
2738	public MemorizingTrustManager getMemorizingTrustManager() {
2739		return this.mMemorizingTrustManager;
2740	}
2741
2742	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
2743		this.mMemorizingTrustManager = trustManager;
2744	}
2745
2746	public void updateMemorizingTrustmanager() {
2747		final MemorizingTrustManager tm;
2748		final boolean dontTrustSystemCAs = getPreferences().getBoolean("dont_trust_system_cas", false);
2749		if (dontTrustSystemCAs) {
2750			tm = new MemorizingTrustManager(getApplicationContext(), null);
2751		} else {
2752			tm = new MemorizingTrustManager(getApplicationContext());
2753		}
2754		setMemorizingTrustManager(tm);
2755	}
2756
2757	public PowerManager getPowerManager() {
2758		return this.pm;
2759	}
2760
2761	public LruCache<String, Bitmap> getBitmapCache() {
2762		return this.mBitmapCache;
2763	}
2764
2765	public void syncRosterToDisk(final Account account) {
2766		Runnable runnable = new Runnable() {
2767
2768			@Override
2769			public void run() {
2770				databaseBackend.writeRoster(account.getRoster());
2771			}
2772		};
2773		mDatabaseExecutor.execute(runnable);
2774
2775	}
2776
2777	public List<String> getKnownHosts() {
2778		final List<String> hosts = new ArrayList<>();
2779		for (final Account account : getAccounts()) {
2780			if (!hosts.contains(account.getServer().toString())) {
2781				hosts.add(account.getServer().toString());
2782			}
2783			for (final Contact contact : account.getRoster().getContacts()) {
2784				if (contact.showInRoster()) {
2785					final String server = contact.getServer().toString();
2786					if (server != null && !hosts.contains(server)) {
2787						hosts.add(server);
2788					}
2789				}
2790			}
2791		}
2792		return hosts;
2793	}
2794
2795	public List<String> getKnownConferenceHosts() {
2796		final ArrayList<String> mucServers = new ArrayList<>();
2797		for (final Account account : accounts) {
2798			if (account.getXmppConnection() != null) {
2799				final String server = account.getXmppConnection().getMucServer();
2800				if (server != null && !mucServers.contains(server)) {
2801					mucServers.add(server);
2802				}
2803			}
2804		}
2805		return mucServers;
2806	}
2807
2808	public void sendMessagePacket(Account account, MessagePacket packet) {
2809		XmppConnection connection = account.getXmppConnection();
2810		if (connection != null) {
2811			connection.sendMessagePacket(packet);
2812		}
2813	}
2814
2815	public void sendPresencePacket(Account account, PresencePacket packet) {
2816		XmppConnection connection = account.getXmppConnection();
2817		if (connection != null) {
2818			connection.sendPresencePacket(packet);
2819		}
2820	}
2821
2822	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
2823		XmppConnection connection = account.getXmppConnection();
2824		if (connection != null) {
2825			connection.sendCaptchaRegistryRequest(id, data);
2826		}
2827	}
2828
2829	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
2830		final XmppConnection connection = account.getXmppConnection();
2831		if (connection != null) {
2832			connection.sendIqPacket(packet, callback);
2833		}
2834	}
2835
2836	public void sendPresence(final Account account) {
2837		sendPresencePacket(account, mPresenceGenerator.selfPresence(account, getTargetPresence()));
2838	}
2839
2840	public void refreshAllPresences() {
2841		for (Account account : getAccounts()) {
2842			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2843				sendPresence(account);
2844			}
2845		}
2846	}
2847
2848	public void sendOfflinePresence(final Account account) {
2849		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
2850	}
2851
2852	public MessageGenerator getMessageGenerator() {
2853		return this.mMessageGenerator;
2854	}
2855
2856	public PresenceGenerator getPresenceGenerator() {
2857		return this.mPresenceGenerator;
2858	}
2859
2860	public IqGenerator getIqGenerator() {
2861		return this.mIqGenerator;
2862	}
2863
2864	public IqParser getIqParser() {
2865		return this.mIqParser;
2866	}
2867
2868	public JingleConnectionManager getJingleConnectionManager() {
2869		return this.mJingleConnectionManager;
2870	}
2871
2872	public MessageArchiveService getMessageArchiveService() {
2873		return this.mMessageArchiveService;
2874	}
2875
2876	public List<Contact> findContacts(Jid jid) {
2877		ArrayList<Contact> contacts = new ArrayList<>();
2878		for (Account account : getAccounts()) {
2879			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2880				Contact contact = account.getRoster().getContactFromRoster(jid);
2881				if (contact != null) {
2882					contacts.add(contact);
2883				}
2884			}
2885		}
2886		return contacts;
2887	}
2888
2889	public NotificationService getNotificationService() {
2890		return this.mNotificationService;
2891	}
2892
2893	public HttpConnectionManager getHttpConnectionManager() {
2894		return this.mHttpConnectionManager;
2895	}
2896
2897	public void resendFailedMessages(final Message message) {
2898		final Collection<Message> messages = new ArrayList<>();
2899		Message current = message;
2900		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
2901			messages.add(current);
2902			if (current.mergeable(current.next())) {
2903				current = current.next();
2904			} else {
2905				break;
2906			}
2907		}
2908		for (final Message msg : messages) {
2909			msg.setTime(System.currentTimeMillis());
2910			markMessage(msg, Message.STATUS_WAITING);
2911			this.resendMessage(msg, false);
2912		}
2913	}
2914
2915	public void clearConversationHistory(final Conversation conversation) {
2916		conversation.clearMessages();
2917		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
2918		conversation.setLastClearHistory(System.currentTimeMillis());
2919		Runnable runnable = new Runnable() {
2920			@Override
2921			public void run() {
2922				databaseBackend.deleteMessagesInConversation(conversation);
2923			}
2924		};
2925		mDatabaseExecutor.execute(runnable);
2926	}
2927
2928	public void sendBlockRequest(final Blockable blockable) {
2929		if (blockable != null && blockable.getBlockedJid() != null) {
2930			final Jid jid = blockable.getBlockedJid();
2931			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid), new OnIqPacketReceived() {
2932
2933				@Override
2934				public void onIqPacketReceived(final Account account, final IqPacket packet) {
2935					if (packet.getType() == IqPacket.TYPE.RESULT) {
2936						account.getBlocklist().add(jid);
2937						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
2938					}
2939				}
2940			});
2941		}
2942	}
2943
2944	public void sendUnblockRequest(final Blockable blockable) {
2945		if (blockable != null && blockable.getJid() != null) {
2946			final Jid jid = blockable.getBlockedJid();
2947			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
2948				@Override
2949				public void onIqPacketReceived(final Account account, final IqPacket packet) {
2950					if (packet.getType() == IqPacket.TYPE.RESULT) {
2951						account.getBlocklist().remove(jid);
2952						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
2953					}
2954				}
2955			});
2956		}
2957	}
2958
2959	public void publishDisplayName(Account account) {
2960		String displayName = account.getDisplayName();
2961		if (displayName != null && !displayName.isEmpty()) {
2962			IqPacket publish = mIqGenerator.publishNick(displayName);
2963			sendIqPacket(account, publish, new OnIqPacketReceived() {
2964				@Override
2965				public void onIqPacketReceived(Account account, IqPacket packet) {
2966					if (packet.getType() == IqPacket.TYPE.ERROR) {
2967						Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not publish nick");
2968					}
2969				}
2970			});
2971		}
2972	}
2973
2974	private ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String,String> key) {
2975		ServiceDiscoveryResult result = discoCache.get(key);
2976		if (result != null) {
2977			return result;
2978		} else {
2979			result = databaseBackend.findDiscoveryResult(key.first, key.second);
2980			if (result != null) {
2981				discoCache.put(key, result);
2982			}
2983			return result;
2984		}
2985	}
2986
2987	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
2988		final Pair<String,String> key = new Pair<>(presence.getHash(), presence.getVer());
2989		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
2990		if (disco != null) {
2991			presence.setServiceDiscoveryResult(disco);
2992		} else {
2993			if (!account.inProgressDiscoFetches.contains(key)) {
2994				account.inProgressDiscoFetches.add(key);
2995				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2996				request.setTo(jid);
2997				request.query("http://jabber.org/protocol/disco#info");
2998				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": making disco request for "+key.second+" to "+jid);
2999				sendIqPacket(account, request, new OnIqPacketReceived() {
3000					@Override
3001					public void onIqPacketReceived(Account account, IqPacket discoPacket) {
3002						if (discoPacket.getType() == IqPacket.TYPE.RESULT) {
3003							ServiceDiscoveryResult disco = new ServiceDiscoveryResult(discoPacket);
3004							if (presence.getVer().equals(disco.getVer())) {
3005								databaseBackend.insertDiscoveryResult(disco);
3006								injectServiceDiscorveryResult(account.getRoster(), presence.getHash(), presence.getVer(), disco);
3007							} else {
3008								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": mismatch in caps for contact " + jid+" "+presence.getVer()+" vs "+disco.getVer());
3009							}
3010						}
3011						account.inProgressDiscoFetches.remove(key);
3012					}
3013				});
3014			}
3015		}
3016	}
3017
3018	private void injectServiceDiscorveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
3019		for(Contact contact : roster.getContacts()) {
3020			for(Presence presence : contact.getPresences().getPresences().values()) {
3021				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
3022					presence.setServiceDiscoveryResult(disco);
3023				}
3024			}
3025		}
3026	}
3027
3028	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
3029		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3030		request.addChild("prefs","urn:xmpp:mam:0");
3031		sendIqPacket(account, request, new OnIqPacketReceived() {
3032			@Override
3033			public void onIqPacketReceived(Account account, IqPacket packet) {
3034				Element prefs = packet.findChild("prefs","urn:xmpp:mam:0");
3035				if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
3036					callback.onPreferencesFetched(prefs);
3037				} else {
3038					callback.onPreferencesFetchFailed();
3039				}
3040			}
3041		});
3042	}
3043
3044	public interface OnMamPreferencesFetched {
3045		void onPreferencesFetched(Element prefs);
3046		void onPreferencesFetchFailed();
3047	}
3048
3049	public void pushMamPreferences(Account account, Element prefs) {
3050		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3051		set.addChild(prefs);
3052		sendIqPacket(account, set, null);
3053	}
3054
3055	public interface OnAccountCreated {
3056		void onAccountCreated(Account account);
3057
3058		void informUser(int r);
3059	}
3060
3061	public interface OnMoreMessagesLoaded {
3062		void onMoreMessagesLoaded(int count, Conversation conversation);
3063
3064		void informUser(int r);
3065	}
3066
3067	public interface OnAccountPasswordChanged {
3068		void onPasswordChangeSucceeded();
3069
3070		void onPasswordChangeFailed();
3071	}
3072
3073	public interface OnAffiliationChanged {
3074		void onAffiliationChangedSuccessful(Jid jid);
3075
3076		void onAffiliationChangeFailed(Jid jid, int resId);
3077	}
3078
3079	public interface OnRoleChanged {
3080		void onRoleChangedSuccessful(String nick);
3081
3082		void onRoleChangeFailed(String nick, int resid);
3083	}
3084
3085	public interface OnConversationUpdate {
3086		void onConversationUpdate();
3087	}
3088
3089	public interface OnAccountUpdate {
3090		void onAccountUpdate();
3091	}
3092
3093	public interface OnCaptchaRequested {
3094		void onCaptchaRequested(Account account,
3095								String id,
3096								Data data,
3097								Bitmap captcha);
3098	}
3099
3100	public interface OnRosterUpdate {
3101		void onRosterUpdate();
3102	}
3103
3104	public interface OnMucRosterUpdate {
3105		void onMucRosterUpdate();
3106	}
3107
3108	public interface OnConferenceConfigurationFetched {
3109		void onConferenceConfigurationFetched(Conversation conversation);
3110
3111		void onFetchFailed(Conversation conversation, Element error);
3112	}
3113
3114	public interface OnConferenceJoined {
3115		void onConferenceJoined(Conversation conversation);
3116	}
3117
3118	public interface OnConferenceOptionsPushed {
3119		void onPushSucceeded();
3120
3121		void onPushFailed();
3122	}
3123
3124	public interface OnShowErrorToast {
3125		void onShowErrorToast(int resId);
3126	}
3127
3128	public class XmppConnectionBinder extends Binder {
3129		public XmppConnectionService getService() {
3130			return XmppConnectionService.this;
3131		}
3132	}
3133}