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.SharedPreferences;
  10import android.database.ContentObserver;
  11import android.graphics.Bitmap;
  12import android.net.ConnectivityManager;
  13import android.net.NetworkInfo;
  14import android.net.Uri;
  15import android.os.Binder;
  16import android.os.Bundle;
  17import android.os.FileObserver;
  18import android.os.IBinder;
  19import android.os.Looper;
  20import android.os.PowerManager;
  21import android.os.PowerManager.WakeLock;
  22import android.os.SystemClock;
  23import android.preference.PreferenceManager;
  24import android.provider.ContactsContract;
  25import android.util.Log;
  26import android.util.LruCache;
  27
  28import net.java.otr4j.OtrException;
  29import net.java.otr4j.session.Session;
  30import net.java.otr4j.session.SessionID;
  31import net.java.otr4j.session.SessionImpl;
  32import net.java.otr4j.session.SessionStatus;
  33
  34import org.openintents.openpgp.util.OpenPgpApi;
  35import org.openintents.openpgp.util.OpenPgpServiceConnection;
  36
  37import java.math.BigInteger;
  38import java.security.SecureRandom;
  39import java.util.ArrayList;
  40import java.util.Arrays;
  41import java.util.Collection;
  42import java.util.Collections;
  43import java.util.Comparator;
  44import java.util.Hashtable;
  45import java.util.Iterator;
  46import java.util.List;
  47import java.util.Locale;
  48import java.util.Map;
  49import java.util.concurrent.CopyOnWriteArrayList;
  50
  51import de.duenndns.ssl.MemorizingTrustManager;
  52import eu.siacs.conversations.Config;
  53import eu.siacs.conversations.R;
  54import eu.siacs.conversations.crypto.PgpEngine;
  55import eu.siacs.conversations.entities.Account;
  56import eu.siacs.conversations.entities.Blockable;
  57import eu.siacs.conversations.entities.Bookmark;
  58import eu.siacs.conversations.entities.Contact;
  59import eu.siacs.conversations.entities.Conversation;
  60import eu.siacs.conversations.entities.Downloadable;
  61import eu.siacs.conversations.entities.DownloadablePlaceholder;
  62import eu.siacs.conversations.entities.Message;
  63import eu.siacs.conversations.entities.MucOptions;
  64import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  65import eu.siacs.conversations.entities.Presences;
  66import eu.siacs.conversations.generator.IqGenerator;
  67import eu.siacs.conversations.generator.MessageGenerator;
  68import eu.siacs.conversations.generator.PresenceGenerator;
  69import eu.siacs.conversations.http.HttpConnectionManager;
  70import eu.siacs.conversations.parser.IqParser;
  71import eu.siacs.conversations.parser.MessageParser;
  72import eu.siacs.conversations.parser.PresenceParser;
  73import eu.siacs.conversations.persistance.DatabaseBackend;
  74import eu.siacs.conversations.persistance.FileBackend;
  75import eu.siacs.conversations.ui.UiCallback;
  76import eu.siacs.conversations.utils.CryptoHelper;
  77import eu.siacs.conversations.utils.ExceptionHelper;
  78import eu.siacs.conversations.utils.OnPhoneContactsLoadedListener;
  79import eu.siacs.conversations.utils.PRNGFixes;
  80import eu.siacs.conversations.utils.PhoneHelper;
  81import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
  82import eu.siacs.conversations.utils.Xmlns;
  83import eu.siacs.conversations.xml.Element;
  84import eu.siacs.conversations.xmpp.OnBindListener;
  85import eu.siacs.conversations.xmpp.OnContactStatusChanged;
  86import eu.siacs.conversations.xmpp.OnIqPacketReceived;
  87import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
  88import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
  89import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
  90import eu.siacs.conversations.xmpp.OnStatusChanged;
  91import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  92import eu.siacs.conversations.xmpp.XmppConnection;
  93import eu.siacs.conversations.xmpp.chatstate.ChatState;
  94import eu.siacs.conversations.xmpp.forms.Data;
  95import eu.siacs.conversations.xmpp.forms.Field;
  96import eu.siacs.conversations.xmpp.jid.InvalidJidException;
  97import eu.siacs.conversations.xmpp.jid.Jid;
  98import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
  99import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 100import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 101import eu.siacs.conversations.xmpp.pep.Avatar;
 102import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 103import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 104import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 105import me.leolin.shortcutbadger.ShortcutBadger;
 106
 107public class XmppConnectionService extends Service implements OnPhoneContactsLoadedListener {
 108
 109	public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 110	public static final String ACTION_DISABLE_FOREGROUND = "disable_foreground";
 111	private static final String ACTION_MERGE_PHONE_CONTACTS = "merge_phone_contacts";
 112	public static final String ACTION_TRY_AGAIN = "try_again";
 113	public static final String ACTION_DISABLE_ACCOUNT = "disable_account";
 114	private ContentObserver contactObserver = new ContentObserver(null) {
 115		@Override
 116		public void onChange(boolean selfChange) {
 117			super.onChange(selfChange);
 118			Intent intent = new Intent(getApplicationContext(),
 119					XmppConnectionService.class);
 120			intent.setAction(ACTION_MERGE_PHONE_CONTACTS);
 121			startService(intent);
 122		}
 123	};
 124
 125	private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor();
 126	private final SerialSingleThreadExecutor mDatabaseExecutor = new SerialSingleThreadExecutor();
 127
 128	private final IBinder mBinder = new XmppConnectionBinder();
 129	private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 130	private final FileObserver fileObserver = new FileObserver(
 131			FileBackend.getConversationsImageDirectory()) {
 132
 133		@Override
 134		public void onEvent(int event, String path) {
 135			if (event == FileObserver.DELETE) {
 136				markFileDeleted(path.split("\\.")[0]);
 137			}
 138		}
 139	};
 140	private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 141
 142		@Override
 143		public void onJinglePacketReceived(Account account, JinglePacket packet) {
 144			mJingleConnectionManager.deliverPacket(account, packet);
 145		}
 146	};
 147	private final OnBindListener mOnBindListener = new OnBindListener() {
 148
 149		@Override
 150		public void onBind(final Account account) {
 151			account.getRoster().clearPresences();
 152			account.pendingConferenceJoins.clear();
 153			account.pendingConferenceLeaves.clear();
 154			fetchRosterFromServer(account);
 155			fetchBookmarks(account);
 156			sendPresence(account);
 157			connectMultiModeConversations(account);
 158			updateConversationUi();
 159		}
 160	};
 161	private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 162
 163		@Override
 164		public void onMessageAcknowledged(Account account, String uuid) {
 165			for (final Conversation conversation : getConversations()) {
 166				if (conversation.getAccount() == account) {
 167					Message message = conversation.findUnsentMessageWithUuid(uuid);
 168					if (message != null) {
 169						markMessage(message, Message.STATUS_SEND);
 170						if (conversation.setLastMessageTransmitted(System.currentTimeMillis())) {
 171							databaseBackend.updateConversation(conversation);
 172						}
 173					}
 174				}
 175			}
 176		}
 177	};
 178	private final IqGenerator mIqGenerator = new IqGenerator(this);
 179	public DatabaseBackend databaseBackend;
 180	public OnContactStatusChanged onContactStatusChanged = new OnContactStatusChanged() {
 181
 182		@Override
 183		public void onContactStatusChanged(Contact contact, boolean online) {
 184			Conversation conversation = find(getConversations(), contact);
 185			if (conversation != null) {
 186				if (online) {
 187					conversation.endOtrIfNeeded();
 188					if (contact.getPresences().size() == 1) {
 189						sendUnsentMessages(conversation);
 190					}
 191				} else {
 192					if (contact.getPresences().size() >= 1) {
 193						if (conversation.hasValidOtrSession()) {
 194							String otrResource = conversation.getOtrSession().getSessionID().getUserID();
 195							if (!(Arrays.asList(contact.getPresences().asStringArray()).contains(otrResource))) {
 196								conversation.endOtrIfNeeded();
 197							}
 198						}
 199					} else {
 200						conversation.endOtrIfNeeded();
 201					}
 202				}
 203			}
 204		}
 205	};
 206	private FileBackend fileBackend = new FileBackend(this);
 207	private MemorizingTrustManager mMemorizingTrustManager;
 208	private NotificationService mNotificationService = new NotificationService(
 209			this);
 210	private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 211	private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 212	private IqParser mIqParser = new IqParser(this);
 213	private OnIqPacketReceived mDefaultIqHandler = new OnIqPacketReceived() {
 214		@Override
 215		public void onIqPacketReceived(Account account, IqPacket packet) {
 216			if (packet.getType() == IqPacket.TYPE.ERROR) {
 217				Element error = packet.findChild("error");
 218				String text = error != null ? error.findChildContent("text") : null;
 219				if (text != null) {
 220					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": received iq error - "+text);
 221				}
 222			}
 223		}
 224	};
 225	private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 226	private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 227	private List<Account> accounts;
 228	private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 229			this);
 230	private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(
 231			this);
 232	private AvatarService mAvatarService = new AvatarService(this);
 233	private final List<String> mInProgressAvatarFetches = new ArrayList<>();
 234	private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 235	private OnConversationUpdate mOnConversationUpdate = null;
 236	private int convChangedListenerCount = 0;
 237	private OnShowErrorToast mOnShowErrorToast = null;
 238	private int showErrorToastListenerCount = 0;
 239	private int unreadCount = -1;
 240	private OnAccountUpdate mOnAccountUpdate = null;
 241	private OnStatusChanged statusListener = new OnStatusChanged() {
 242
 243		@Override
 244		public void onStatusChanged(Account account) {
 245			XmppConnection connection = account.getXmppConnection();
 246			if (mOnAccountUpdate != null) {
 247				mOnAccountUpdate.onAccountUpdate();
 248			}
 249			if (account.getStatus() == Account.State.ONLINE) {
 250				for (Conversation conversation : account.pendingConferenceLeaves) {
 251					leaveMuc(conversation);
 252				}
 253				for (Conversation conversation : account.pendingConferenceJoins) {
 254					joinMuc(conversation);
 255				}
 256				mMessageArchiveService.executePendingQueries(account);
 257				mJingleConnectionManager.cancelInTransmission();
 258				List<Conversation> conversations = getConversations();
 259				for (Conversation conversation : conversations) {
 260					if (conversation.getAccount() == account) {
 261						conversation.startOtrIfNeeded();
 262						sendUnsentMessages(conversation);
 263					}
 264				}
 265				if (connection != null && connection.getFeatures().csi()) {
 266					if (checkListeners()) {
 267						Log.d(Config.LOGTAG, account.getJid().toBareJid()
 268								+ " sending csi//inactive");
 269						connection.sendInactive();
 270					} else {
 271						Log.d(Config.LOGTAG, account.getJid().toBareJid()
 272								+ " sending csi//active");
 273						connection.sendActive();
 274					}
 275				}
 276				syncDirtyContacts(account);
 277				scheduleWakeUpCall(Config.PING_MAX_INTERVAL,account.getUuid().hashCode());
 278			} else if (account.getStatus() == Account.State.OFFLINE) {
 279				resetSendingToWaiting(account);
 280				if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 281					int timeToReconnect = mRandom.nextInt(50) + 10;
 282					scheduleWakeUpCall(timeToReconnect,account.getUuid().hashCode());
 283				}
 284			} else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 285				databaseBackend.updateAccount(account);
 286				reconnectAccount(account, true);
 287			} else if ((account.getStatus() != Account.State.CONNECTING)
 288					&& (account.getStatus() != Account.State.NO_INTERNET)) {
 289				if (connection != null) {
 290					int next = connection.getTimeToNextAttempt();
 291					Log.d(Config.LOGTAG, account.getJid().toBareJid()
 292							+ ": error connecting account. try again in "
 293							+ next + "s for the "
 294							+ (connection.getAttempt() + 1) + " time");
 295					scheduleWakeUpCall(next,account.getUuid().hashCode());
 296				}
 297					}
 298			getNotificationService().updateErrorNotification();
 299		}
 300	};
 301	private int accountChangedListenerCount = 0;
 302	private OnRosterUpdate mOnRosterUpdate = null;
 303	private OnUpdateBlocklist mOnUpdateBlocklist = null;
 304	private int updateBlocklistListenerCount = 0;
 305	private int rosterChangedListenerCount = 0;
 306	private OnMucRosterUpdate mOnMucRosterUpdate = null;
 307	private int mucRosterChangedListenerCount = 0;
 308	private SecureRandom mRandom;
 309	private OpenPgpServiceConnection pgpServiceConnection;
 310	private PgpEngine mPgpEngine = null;
 311	private WakeLock wakeLock;
 312	private PowerManager pm;
 313	private LruCache<String, Bitmap> mBitmapCache;
 314	private Thread mPhoneContactMergerThread;
 315
 316	private boolean mRestoredFromDatabase = false;
 317	public boolean areMessagesInitialized() {
 318		return this.mRestoredFromDatabase;
 319	}
 320
 321	public PgpEngine getPgpEngine() {
 322		if (pgpServiceConnection.isBound()) {
 323			if (this.mPgpEngine == null) {
 324				this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 325							getApplicationContext(),
 326							pgpServiceConnection.getService()), this);
 327			}
 328			return mPgpEngine;
 329		} else {
 330			return null;
 331		}
 332
 333	}
 334
 335	public FileBackend getFileBackend() {
 336		return this.fileBackend;
 337	}
 338
 339	public AvatarService getAvatarService() {
 340		return this.mAvatarService;
 341	}
 342
 343	public void attachLocationToConversation(final Conversation conversation,
 344											 final Uri uri,
 345											 final UiCallback<Message> callback) {
 346		int encryption = conversation.getNextEncryption(forceEncryption());
 347		if (encryption == Message.ENCRYPTION_PGP) {
 348			encryption = Message.ENCRYPTION_DECRYPTED;
 349		}
 350		Message message = new Message(conversation,uri.toString(),encryption);
 351		if (conversation.getNextCounterpart() != null) {
 352			message.setCounterpart(conversation.getNextCounterpart());
 353		}
 354		if (encryption == Message.ENCRYPTION_DECRYPTED) {
 355			getPgpEngine().encrypt(message, callback);
 356		} else {
 357			callback.success(message);
 358		}
 359	}
 360
 361	public void attachFileToConversation(final Conversation conversation,
 362			final Uri uri,
 363			final UiCallback<Message> callback) {
 364		final Message message;
 365		if (conversation.getNextEncryption(forceEncryption()) == Message.ENCRYPTION_PGP) {
 366			message = new Message(conversation, "",
 367					Message.ENCRYPTION_DECRYPTED);
 368		} else {
 369			message = new Message(conversation, "",
 370					conversation.getNextEncryption(forceEncryption()));
 371		}
 372		message.setCounterpart(conversation.getNextCounterpart());
 373		message.setType(Message.TYPE_FILE);
 374		String path = getFileBackend().getOriginalPath(uri);
 375		if (path!=null) {
 376			message.setRelativeFilePath(path);
 377			getFileBackend().updateFileParams(message);
 378			if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 379				getPgpEngine().encrypt(message, callback);
 380			} else {
 381				callback.success(message);
 382			}
 383		} else {
 384			mFileAddingExecutor.execute(new Runnable() {
 385				@Override
 386				public void run() {
 387					try {
 388						getFileBackend().copyFileToPrivateStorage(message, uri);
 389						getFileBackend().updateFileParams(message);
 390						if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 391							getPgpEngine().encrypt(message, callback);
 392						} else {
 393							callback.success(message);
 394						}
 395					} catch (FileBackend.FileCopyException e) {
 396						callback.error(e.getResId(), message);
 397					}
 398				}
 399			});
 400		}
 401	}
 402
 403	public void attachImageToConversation(final Conversation conversation,
 404			final Uri uri, final UiCallback<Message> callback) {
 405		final Message message;
 406		if (conversation.getNextEncryption(forceEncryption()) == Message.ENCRYPTION_PGP) {
 407			message = new Message(conversation, "",
 408					Message.ENCRYPTION_DECRYPTED);
 409		} else {
 410			message = new Message(conversation, "",
 411					conversation.getNextEncryption(forceEncryption()));
 412		}
 413		message.setCounterpart(conversation.getNextCounterpart());
 414		message.setType(Message.TYPE_IMAGE);
 415		mFileAddingExecutor.execute(new Runnable() {
 416
 417			@Override
 418			public void run() {
 419				try {
 420					getFileBackend().copyImageToPrivateStorage(message, uri);
 421					if (conversation.getNextEncryption(forceEncryption()) == Message.ENCRYPTION_PGP) {
 422						getPgpEngine().encrypt(message, callback);
 423					} else {
 424						callback.success(message);
 425					}
 426				} catch (final FileBackend.FileCopyException e) {
 427					callback.error(e.getResId(), message);
 428				}
 429			}
 430		});
 431	}
 432
 433	public Conversation find(Bookmark bookmark) {
 434		return find(bookmark.getAccount(), bookmark.getJid());
 435	}
 436
 437	public Conversation find(final Account account, final Jid jid) {
 438		return find(getConversations(), account, jid);
 439	}
 440
 441	@Override
 442	public int onStartCommand(Intent intent, int flags, int startId) {
 443		final String action = intent == null ? null : intent.getAction();
 444		if (action != null) {
 445			switch (action) {
 446				case ConnectivityManager.CONNECTIVITY_ACTION:
 447					if (hasInternetConnection() && Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 448						resetAllAttemptCounts(true);
 449					}
 450					break;
 451				case ACTION_MERGE_PHONE_CONTACTS:
 452					if (mRestoredFromDatabase) {
 453						PhoneHelper.loadPhoneContacts(getApplicationContext(),
 454								new CopyOnWriteArrayList<Bundle>(),
 455								this);
 456					}
 457					return START_STICKY;
 458				case Intent.ACTION_SHUTDOWN:
 459					logoutAndSave();
 460					return START_NOT_STICKY;
 461				case ACTION_CLEAR_NOTIFICATION:
 462					mNotificationService.clear();
 463					break;
 464				case ACTION_DISABLE_FOREGROUND:
 465					getPreferences().edit().putBoolean("keep_foreground_service",false).commit();
 466					toggleForegroundService();
 467					break;
 468				case ACTION_TRY_AGAIN:
 469					resetAllAttemptCounts(false);
 470					break;
 471				case ACTION_DISABLE_ACCOUNT:
 472					try {
 473						String jid = intent.getStringExtra("account");
 474						Account account = jid == null ? null : findAccountByJid(Jid.fromString(jid));
 475						if (account != null) {
 476							account.setOption(Account.OPTION_DISABLED,true);
 477							updateAccount(account);
 478						}
 479					} catch (final InvalidJidException ignored) {
 480						break;
 481					}
 482					break;
 483			}
 484		}
 485		this.wakeLock.acquire();
 486
 487		for (Account account : accounts) {
 488			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 489				if (!hasInternetConnection()) {
 490					account.setStatus(Account.State.NO_INTERNET);
 491					if (statusListener != null) {
 492						statusListener.onStatusChanged(account);
 493					}
 494				} else {
 495					if (account.getStatus() == Account.State.NO_INTERNET) {
 496						account.setStatus(Account.State.OFFLINE);
 497						if (statusListener != null) {
 498							statusListener.onStatusChanged(account);
 499						}
 500					}
 501					if (account.getStatus() == Account.State.ONLINE) {
 502						long lastReceived = account.getXmppConnection().getLastPacketReceived();
 503						long lastSent = account.getXmppConnection().getLastPingSent();
 504						long pingInterval = "ui".equals(action) ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 505						long msToNextPing = (Math.max(lastReceived,lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 506						long pingTimeoutIn = (lastSent + Config.PING_TIMEOUT * 1000) - SystemClock.elapsedRealtime();
 507						if (lastSent > lastReceived) {
 508							if (pingTimeoutIn < 0) {
 509								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": ping timeout");
 510								this.reconnectAccount(account, true);
 511							} else {
 512								int secs = (int) (pingTimeoutIn / 1000);
 513								this.scheduleWakeUpCall(secs,account.getUuid().hashCode());
 514							}
 515						} else if (msToNextPing <= 0) {
 516							account.getXmppConnection().sendPing();
 517							Log.d(Config.LOGTAG, account.getJid().toBareJid()+" send ping");
 518							this.scheduleWakeUpCall(Config.PING_TIMEOUT,account.getUuid().hashCode());
 519						} else {
 520							this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 521						}
 522					} else if (account.getStatus() == Account.State.OFFLINE) {
 523						reconnectAccount(account,true);
 524					} else if (account.getStatus() == Account.State.CONNECTING) {
 525						long timeout = Config.CONNECT_TIMEOUT - ((SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000);
 526						if (timeout < 0) {
 527							Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting");
 528							reconnectAccount(account, true);
 529						} else {
 530							scheduleWakeUpCall((int) timeout,account.getUuid().hashCode());
 531						}
 532					} else {
 533						if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 534							reconnectAccount(account, true);
 535						}
 536					}
 537
 538				}
 539				if (mOnAccountUpdate != null) {
 540					mOnAccountUpdate.onAccountUpdate();
 541				}
 542			}
 543		}
 544		/*PowerManager pm = (PowerManager) this.getSystemService(Context.POWER_SERVICE);
 545			if (!pm.isScreenOn()) {
 546			removeStaleListeners();
 547			}*/
 548		if (wakeLock.isHeld()) {
 549			try {
 550				wakeLock.release();
 551			} catch (final RuntimeException ignored) {
 552			}
 553		}
 554		return START_STICKY;
 555	}
 556
 557	private void resetAllAttemptCounts(boolean reallyAll) {
 558		Log.d(Config.LOGTAG,"resetting all attepmt counts");
 559		for(Account account : accounts) {
 560			if (account.hasErrorStatus() || reallyAll) {
 561				final XmppConnection connection = account.getXmppConnection();
 562				if (connection != null) {
 563					connection.resetAttemptCount();
 564				}
 565			}
 566		}
 567	}
 568
 569	public boolean hasInternetConnection() {
 570		ConnectivityManager cm = (ConnectivityManager) getApplicationContext()
 571			.getSystemService(Context.CONNECTIVITY_SERVICE);
 572		NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
 573		return activeNetwork != null && activeNetwork.isConnected();
 574	}
 575
 576	@SuppressLint("TrulyRandom")
 577	@Override
 578	public void onCreate() {
 579		ExceptionHelper.init(getApplicationContext());
 580		PRNGFixes.apply();
 581		this.mRandom = new SecureRandom();
 582		updateMemorizingTrustmanager();
 583		final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
 584		final int cacheSize = maxMemory / 8;
 585		this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
 586			@Override
 587			protected int sizeOf(final String key, final Bitmap bitmap) {
 588				return bitmap.getByteCount() / 1024;
 589			}
 590		};
 591
 592		this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
 593		this.accounts = databaseBackend.getAccounts();
 594
 595		for (final Account account : this.accounts) {
 596			account.initAccountServices(this);
 597		}
 598		restoreFromDatabase();
 599
 600		getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, contactObserver);
 601		this.fileObserver.startWatching();
 602		this.pgpServiceConnection = new OpenPgpServiceConnection(getApplicationContext(), "org.sufficientlysecure.keychain");
 603		this.pgpServiceConnection.bindToService();
 604
 605		this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 606		this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,"XmppConnectionService");
 607		toggleForegroundService();
 608		updateUnreadCountBadge();
 609	}
 610
 611	public void toggleForegroundService() {
 612		if (getPreferences().getBoolean("keep_foreground_service",false)) {
 613			startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, this.mNotificationService.createForegroundNotification());
 614		} else {
 615			stopForeground(true);
 616		}
 617	}
 618
 619	@Override
 620	public void onTaskRemoved(final Intent rootIntent) {
 621		super.onTaskRemoved(rootIntent);
 622		if (!getPreferences().getBoolean("keep_foreground_service",false)) {
 623			this.logoutAndSave();
 624		}
 625	}
 626
 627	private void logoutAndSave() {
 628		for (final Account account : accounts) {
 629			databaseBackend.writeRoster(account.getRoster());
 630			if (account.getXmppConnection() != null) {
 631				disconnect(account, false);
 632			}
 633		}
 634		Context context = getApplicationContext();
 635		AlarmManager alarmManager = (AlarmManager) context
 636				.getSystemService(Context.ALARM_SERVICE);
 637		Intent intent = new Intent(context, EventReceiver.class);
 638		alarmManager.cancel(PendingIntent.getBroadcast(context, 0, intent, 0));
 639		Log.d(Config.LOGTAG, "good bye");
 640		stopSelf();
 641	}
 642
 643	protected void scheduleWakeUpCall(int seconds, int requestCode) {
 644		final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
 645
 646		Context context = getApplicationContext();
 647		AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
 648
 649		Intent intent = new Intent(context, EventReceiver.class);
 650		intent.setAction("ping");
 651		PendingIntent alarmIntent = PendingIntent.getBroadcast(context, requestCode, intent, 0);
 652		alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, alarmIntent);
 653	}
 654
 655	public XmppConnection createConnection(final Account account) {
 656		final SharedPreferences sharedPref = getPreferences();
 657		account.setResource(sharedPref.getString("resource", "mobile")
 658				.toLowerCase(Locale.getDefault()));
 659		final XmppConnection connection = new XmppConnection(account, this);
 660		connection.setOnMessagePacketReceivedListener(this.mMessageParser);
 661		connection.setOnStatusChangedListener(this.statusListener);
 662		connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
 663		connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
 664		connection.setOnJinglePacketReceivedListener(this.jingleListener);
 665		connection.setOnBindListener(this.mOnBindListener);
 666		connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
 667		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
 668		return connection;
 669	}
 670
 671	public void sendChatState(Conversation conversation) {
 672		if (sendChatStates()) {
 673			MessagePacket packet = mMessageGenerator.generateChatState(conversation);
 674			sendMessagePacket(conversation.getAccount(), packet);
 675		}
 676	}
 677
 678	private void sendFileMessage(final Message message) {
 679		Log.d(Config.LOGTAG, "send file message");
 680		final Account account = message.getConversation().getAccount();
 681		final XmppConnection connection = account.getXmppConnection();
 682		if (connection != null && connection.getFeatures().httpUpload()) {
 683			mHttpConnectionManager.createNewUploadConnection(message);
 684		} else {
 685			mJingleConnectionManager.createNewConnection(message);
 686		}
 687	}
 688
 689	public void sendMessage(final Message message) {
 690		sendMessage(message, false);
 691	}
 692
 693	private void sendMessage(final Message message, final boolean resend) {
 694		final Account account = message.getConversation().getAccount();
 695		final Conversation conversation = message.getConversation();
 696		account.deactivateGracePeriod();
 697		MessagePacket packet = null;
 698		boolean saveInDb = true;
 699		message.setStatus(Message.STATUS_WAITING);
 700
 701		if (!resend && message.getEncryption() != Message.ENCRYPTION_OTR) {
 702			message.getConversation().endOtrIfNeeded();
 703			message.getConversation().findUnsentMessagesWithOtrEncryption(new Conversation.OnMessageFound() {
 704				@Override
 705				public void onMessageFound(Message message) {
 706					markMessage(message,Message.STATUS_SEND_FAILED);
 707				}
 708			});
 709		}
 710
 711		if (account.isOnlineAndConnected()) {
 712			switch (message.getEncryption()) {
 713				case Message.ENCRYPTION_NONE:
 714					if (message.needsUploading()) {
 715						if (account.httpUploadAvailable() || message.fixCounterpart()) {
 716							this.sendFileMessage(message);
 717						} else {
 718							break;
 719						}
 720					} else {
 721						packet = mMessageGenerator.generateChat(message,resend);
 722					}
 723					break;
 724				case Message.ENCRYPTION_PGP:
 725				case Message.ENCRYPTION_DECRYPTED:
 726					if (message.needsUploading()) {
 727						if (account.httpUploadAvailable() || message.fixCounterpart()) {
 728							this.sendFileMessage(message);
 729						} else {
 730							break;
 731						}
 732					} else {
 733						packet = mMessageGenerator.generatePgpChat(message,resend);
 734					}
 735					break;
 736				case Message.ENCRYPTION_OTR:
 737					SessionImpl otrSession = conversation.getOtrSession();
 738					if (otrSession != null && otrSession.getSessionStatus() == SessionStatus.ENCRYPTED) {
 739						try {
 740							message.setCounterpart(Jid.fromSessionID(otrSession.getSessionID()));
 741						} catch (InvalidJidException e) {
 742							break;
 743						}
 744						if (message.needsUploading()) {
 745							mJingleConnectionManager.createNewConnection(message);
 746						} else {
 747							packet = mMessageGenerator.generateOtrChat(message,resend);
 748						}
 749					} else if (otrSession == null) {
 750						if (message.fixCounterpart()) {
 751							conversation.startOtrSession(message.getCounterpart().getResourcepart(), true);
 752						} else {
 753							break;
 754						}
 755					}
 756					break;
 757			}
 758			if (packet != null) {
 759				if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) {
 760					message.setStatus(Message.STATUS_UNSEND);
 761				} else {
 762					message.setStatus(Message.STATUS_SEND);
 763				}
 764			}
 765		} else {
 766			switch(message.getEncryption()) {
 767				case Message.ENCRYPTION_DECRYPTED:
 768					if (!message.needsUploading()) {
 769						String pgpBody = message.getEncryptedBody();
 770						String decryptedBody = message.getBody();
 771						message.setBody(pgpBody);
 772						message.setEncryption(Message.ENCRYPTION_PGP);
 773						databaseBackend.createMessage(message);
 774						saveInDb = false;
 775						message.setBody(decryptedBody);
 776						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 777					}
 778					break;
 779				case Message.ENCRYPTION_OTR:
 780					if (!conversation.hasValidOtrSession() && message.getCounterpart() != null) {
 781						conversation.startOtrSession(message.getCounterpart().getResourcepart(), false);
 782					}
 783					break;
 784			}
 785		}
 786
 787		if (resend) {
 788			if (packet != null) {
 789				if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) {
 790					markMessage(message,Message.STATUS_UNSEND);
 791				} else {
 792					markMessage(message,Message.STATUS_SEND);
 793				}
 794			}
 795		} else {
 796			conversation.add(message);
 797			if (saveInDb && (message.getEncryption() == Message.ENCRYPTION_NONE || saveEncryptedMessages())) {
 798				databaseBackend.createMessage(message);
 799			}
 800			updateConversationUi();
 801		}
 802		if (packet != null) {
 803			if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
 804				if (this.sendChatStates()) {
 805					packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
 806				}
 807			}
 808			sendMessagePacket(account, packet);
 809		}
 810	}
 811
 812	private void sendUnsentMessages(final Conversation conversation) {
 813		conversation.findWaitingMessages(new Conversation.OnMessageFound() {
 814
 815			@Override
 816			public void onMessageFound(Message message) {
 817				resendMessage(message);
 818			}
 819		});
 820	}
 821
 822	public void resendMessage(final Message message) {
 823		sendMessage(message, true);
 824	}
 825
 826	public void fetchRosterFromServer(final Account account) {
 827		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
 828		if (!"".equals(account.getRosterVersion())) {
 829			Log.d(Config.LOGTAG, account.getJid().toBareJid()
 830					+ ": fetching roster version " + account.getRosterVersion());
 831		} else {
 832			Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": fetching roster");
 833		}
 834		iqPacket.query(Xmlns.ROSTER).setAttribute("ver",
 835				account.getRosterVersion());
 836		account.getXmppConnection().sendIqPacket(iqPacket, mIqParser);
 837	}
 838
 839	public void fetchBookmarks(final Account account) {
 840		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
 841		final Element query = iqPacket.query("jabber:iq:private");
 842		query.addChild("storage", "storage:bookmarks");
 843		final OnIqPacketReceived callback = new OnIqPacketReceived() {
 844
 845			@Override
 846			public void onIqPacketReceived(final Account account, final IqPacket packet) {
 847				final Element query = packet.query();
 848				final List<Bookmark> bookmarks = new CopyOnWriteArrayList<>();
 849				final Element storage = query.findChild("storage",
 850						"storage:bookmarks");
 851				if (storage != null) {
 852					for (final Element item : storage.getChildren()) {
 853						if (item.getName().equals("conference")) {
 854							final Bookmark bookmark = Bookmark.parse(item, account);
 855							bookmarks.add(bookmark);
 856							Conversation conversation = find(bookmark);
 857							if (conversation != null) {
 858								conversation.setBookmark(bookmark);
 859							} else if (bookmark.autojoin() && bookmark.getJid() != null) {
 860								conversation = findOrCreateConversation(
 861										account, bookmark.getJid(), true);
 862								conversation.setBookmark(bookmark);
 863								joinMuc(conversation);
 864							}
 865						}
 866					}
 867				}
 868				account.setBookmarks(bookmarks);
 869			}
 870		};
 871		sendIqPacket(account, iqPacket, callback);
 872	}
 873
 874	public void pushBookmarks(Account account) {
 875		IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
 876		Element query = iqPacket.query("jabber:iq:private");
 877		Element storage = query.addChild("storage", "storage:bookmarks");
 878		for (Bookmark bookmark : account.getBookmarks()) {
 879			storage.addChild(bookmark);
 880		}
 881		sendIqPacket(account, iqPacket, mDefaultIqHandler);
 882	}
 883
 884	public void onPhoneContactsLoaded(final List<Bundle> phoneContacts) {
 885		if (mPhoneContactMergerThread != null) {
 886			mPhoneContactMergerThread.interrupt();
 887		}
 888		mPhoneContactMergerThread = new Thread(new Runnable() {
 889			@Override
 890			public void run() {
 891				Log.d(Config.LOGTAG,"start merging phone contacts with roster");
 892				for (Account account : accounts) {
 893					List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts();
 894					for (Bundle phoneContact : phoneContacts) {
 895						if (Thread.interrupted()) {
 896							Log.d(Config.LOGTAG,"interrupted merging phone contacts");
 897							return;
 898						}
 899						Jid jid;
 900						try {
 901							jid = Jid.fromString(phoneContact.getString("jid"));
 902						} catch (final InvalidJidException e) {
 903							continue;
 904						}
 905						final Contact contact = account.getRoster().getContact(jid);
 906						String systemAccount = phoneContact.getInt("phoneid")
 907							+ "#"
 908							+ phoneContact.getString("lookup");
 909						contact.setSystemAccount(systemAccount);
 910						if (contact.setPhotoUri(phoneContact.getString("photouri"))) {
 911							getAvatarService().clear(contact);
 912						}
 913						contact.setSystemName(phoneContact.getString("displayname"));
 914						withSystemAccounts.remove(contact);
 915					}
 916					for(Contact contact : withSystemAccounts) {
 917						contact.setSystemAccount(null);
 918						contact.setSystemName(null);
 919						if (contact.setPhotoUri(null)) {
 920							getAvatarService().clear(contact);
 921						}
 922					}
 923				}
 924				Log.d(Config.LOGTAG,"finished merging phone contacts");
 925				updateAccountUi();
 926			}
 927		});
 928		mPhoneContactMergerThread.start();
 929	}
 930
 931	private void restoreFromDatabase() {
 932		synchronized (this.conversations) {
 933			final Map<String, Account> accountLookupTable = new Hashtable<>();
 934			for (Account account : this.accounts) {
 935				accountLookupTable.put(account.getUuid(), account);
 936			}
 937			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
 938			for (Conversation conversation : this.conversations) {
 939				Account account = accountLookupTable.get(conversation.getAccountUuid());
 940				conversation.setAccount(account);
 941			}
 942			Runnable runnable =new Runnable() {
 943				@Override
 944				public void run() {
 945					Log.d(Config.LOGTAG,"restoring roster");
 946					for(Account account : accounts) {
 947						databaseBackend.readRoster(account.getRoster());
 948					}
 949					getBitmapCache().evictAll();
 950					Looper.prepare();
 951					PhoneHelper.loadPhoneContacts(getApplicationContext(),
 952							new CopyOnWriteArrayList<Bundle>(),
 953							XmppConnectionService.this);
 954					Log.d(Config.LOGTAG,"restoring messages");
 955					for (Conversation conversation : conversations) {
 956						conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
 957						checkDeletedFiles(conversation);
 958					}
 959					mRestoredFromDatabase = true;
 960					Log.d(Config.LOGTAG,"restored all messages");
 961					updateConversationUi();
 962				}
 963			};
 964			mDatabaseExecutor.execute(runnable);
 965		}
 966	}
 967
 968	public List<Conversation> getConversations() {
 969		return this.conversations;
 970	}
 971
 972	private void checkDeletedFiles(Conversation conversation) {
 973		conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
 974
 975			@Override
 976			public void onMessageFound(Message message) {
 977				if (!getFileBackend().isFileAvailable(message)) {
 978					message.setDownloadable(new DownloadablePlaceholder(Downloadable.STATUS_DELETED));
 979				}
 980			}
 981		});
 982	}
 983
 984	private void markFileDeleted(String uuid) {
 985		for (Conversation conversation : getConversations()) {
 986			Message message = conversation.findMessageWithFileAndUuid(uuid);
 987			if (message != null) {
 988				if (!getFileBackend().isFileAvailable(message)) {
 989					message.setDownloadable(new DownloadablePlaceholder(Downloadable.STATUS_DELETED));
 990					updateConversationUi();
 991				}
 992				return;
 993			}
 994		}
 995	}
 996
 997	public void populateWithOrderedConversations(final List<Conversation> list) {
 998		populateWithOrderedConversations(list, true);
 999	}
1000
1001	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1002		list.clear();
1003		if (includeNoFileUpload) {
1004			list.addAll(getConversations());
1005		} else {
1006			for (Conversation conversation : getConversations()) {
1007				if (conversation.getMode() == Conversation.MODE_SINGLE
1008						|| conversation.getAccount().httpUploadAvailable()) {
1009					list.add(conversation);
1010				}
1011			}
1012		}
1013		Collections.sort(list, new Comparator<Conversation>() {
1014			@Override
1015			public int compare(Conversation lhs, Conversation rhs) {
1016				Message left = lhs.getLatestMessage();
1017				Message right = rhs.getLatestMessage();
1018				if (left.getTimeSent() > right.getTimeSent()) {
1019					return -1;
1020				} else if (left.getTimeSent() < right.getTimeSent()) {
1021					return 1;
1022				} else {
1023					return 0;
1024				}
1025			}
1026		});
1027	}
1028
1029	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1030		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1031		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation,callback)) {
1032			return;
1033		}
1034		Runnable runnable = new Runnable() {
1035			@Override
1036			public void run() {
1037				final Account account = conversation.getAccount();
1038				List<Message> messages = databaseBackend.getMessages(conversation, 50,timestamp);
1039				if (messages.size() > 0) {
1040					conversation.addAll(0, messages);
1041					checkDeletedFiles(conversation);
1042					callback.onMoreMessagesLoaded(messages.size(), conversation);
1043				} else if (conversation.hasMessagesLeftOnServer()
1044						&& account.isOnlineAndConnected()
1045						&& account.getXmppConnection().getFeatures().mam()) {
1046					MessageArchiveService.Query query = getMessageArchiveService().query(conversation,0,timestamp - 1);
1047					if (query != null) {
1048						query.setCallback(callback);
1049					}
1050					callback.informUser(R.string.fetching_history_from_server);
1051				}
1052			}
1053		};
1054		mDatabaseExecutor.execute(runnable);
1055	}
1056
1057	public List<Account> getAccounts() {
1058		return this.accounts;
1059	}
1060
1061	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1062		for (final Conversation conversation : haystack) {
1063			if (conversation.getContact() == contact) {
1064				return conversation;
1065			}
1066		}
1067		return null;
1068	}
1069
1070	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1071		if (jid == null) {
1072			return null;
1073		}
1074		for (final Conversation conversation : haystack) {
1075			if ((account == null || conversation.getAccount() == account)
1076					&& (conversation.getJid().toBareJid().equals(jid.toBareJid()))) {
1077				return conversation;
1078			}
1079		}
1080		return null;
1081	}
1082
1083	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc) {
1084		return this.findOrCreateConversation(account, jid, muc, null);
1085	}
1086
1087	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final MessageArchiveService.Query query) {
1088		synchronized (this.conversations) {
1089			Conversation conversation = find(account, jid);
1090			if (conversation != null) {
1091				return conversation;
1092			}
1093			conversation = databaseBackend.findConversation(account, jid);
1094			if (conversation != null) {
1095				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1096				conversation.setAccount(account);
1097				if (muc) {
1098					conversation.setMode(Conversation.MODE_MULTI);
1099					conversation.setContactJid(jid);
1100				} else {
1101					conversation.setMode(Conversation.MODE_SINGLE);
1102					conversation.setContactJid(jid.toBareJid());
1103				}
1104				conversation.setNextEncryption(-1);
1105				conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1106				this.databaseBackend.updateConversation(conversation);
1107			} else {
1108				String conversationName;
1109				Contact contact = account.getRoster().getContact(jid);
1110				if (contact != null) {
1111					conversationName = contact.getDisplayName();
1112				} else {
1113					conversationName = jid.getLocalpart();
1114				}
1115				if (muc) {
1116					conversation = new Conversation(conversationName, account, jid,
1117							Conversation.MODE_MULTI);
1118				} else {
1119					conversation = new Conversation(conversationName, account, jid.toBareJid(),
1120							Conversation.MODE_SINGLE);
1121				}
1122				this.databaseBackend.createConversation(conversation);
1123			}
1124			if (account.getXmppConnection() != null
1125					&& account.getXmppConnection().getFeatures().mam()
1126					&& !muc) {
1127				if (query == null) {
1128					this.mMessageArchiveService.query(conversation);
1129				} else {
1130					if (query.getConversation() == null) {
1131						this.mMessageArchiveService.query(conversation, query.getStart());
1132					}
1133				}
1134			}
1135			checkDeletedFiles(conversation);
1136			this.conversations.add(conversation);
1137			updateConversationUi();
1138			return conversation;
1139		}
1140	}
1141
1142	public void archiveConversation(Conversation conversation) {
1143		getNotificationService().clear(conversation);
1144		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1145		conversation.setNextEncryption(-1);
1146		synchronized (this.conversations) {
1147			if (conversation.getMode() == Conversation.MODE_MULTI) {
1148				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1149					Bookmark bookmark = conversation.getBookmark();
1150					if (bookmark != null && bookmark.autojoin()) {
1151						bookmark.setAutojoin(false);
1152						pushBookmarks(bookmark.getAccount());
1153					}
1154				}
1155				leaveMuc(conversation);
1156			} else {
1157				conversation.endOtrIfNeeded();
1158			}
1159			this.databaseBackend.updateConversation(conversation);
1160			this.conversations.remove(conversation);
1161			updateConversationUi();
1162		}
1163	}
1164
1165	public void createAccount(final Account account) {
1166		account.initAccountServices(this);
1167		databaseBackend.createAccount(account);
1168		this.accounts.add(account);
1169		this.reconnectAccountInBackground(account);
1170		updateAccountUi();
1171	}
1172
1173	public void updateAccount(final Account account) {
1174		this.statusListener.onStatusChanged(account);
1175		databaseBackend.updateAccount(account);
1176		reconnectAccount(account, false);
1177		updateAccountUi();
1178		getNotificationService().updateErrorNotification();
1179	}
1180
1181	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1182		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1183		sendIqPacket(account, iq, new OnIqPacketReceived() {
1184			@Override
1185			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1186				if (packet.getType() == IqPacket.TYPE.RESULT) {
1187					account.setPassword(newPassword);
1188					databaseBackend.updateAccount(account);
1189					callback.onPasswordChangeSucceeded();
1190				} else {
1191					callback.onPasswordChangeFailed();
1192				}
1193			}
1194		});
1195	}
1196
1197	public void deleteAccount(final Account account) {
1198		synchronized (this.conversations) {
1199			for (final Conversation conversation : conversations) {
1200				if (conversation.getAccount() == account) {
1201					if (conversation.getMode() == Conversation.MODE_MULTI) {
1202						leaveMuc(conversation);
1203					} else if (conversation.getMode() == Conversation.MODE_SINGLE) {
1204						conversation.endOtrIfNeeded();
1205					}
1206					conversations.remove(conversation);
1207				}
1208			}
1209			if (account.getXmppConnection() != null) {
1210				this.disconnect(account, true);
1211			}
1212			databaseBackend.deleteAccount(account);
1213			this.accounts.remove(account);
1214			updateAccountUi();
1215			getNotificationService().updateErrorNotification();
1216		}
1217	}
1218
1219	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
1220		synchronized (this) {
1221			if (checkListeners()) {
1222				switchToForeground();
1223			}
1224			this.mOnConversationUpdate = listener;
1225			this.mNotificationService.setIsInForeground(true);
1226			if (this.convChangedListenerCount < 2) {
1227				this.convChangedListenerCount++;
1228			}
1229		}
1230	}
1231
1232	public void removeOnConversationListChangedListener() {
1233		synchronized (this) {
1234			this.convChangedListenerCount--;
1235			if (this.convChangedListenerCount <= 0) {
1236				this.convChangedListenerCount = 0;
1237				this.mOnConversationUpdate = null;
1238				this.mNotificationService.setIsInForeground(false);
1239				if (checkListeners()) {
1240					switchToBackground();
1241				}
1242			}
1243		}
1244	}
1245
1246	public void setOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
1247		synchronized (this) {
1248			if (checkListeners()) {
1249				switchToForeground();
1250			}
1251			this.mOnShowErrorToast = onShowErrorToast;
1252			if (this.showErrorToastListenerCount < 2) {
1253				this.showErrorToastListenerCount++;
1254			}
1255		}
1256		this.mOnShowErrorToast = onShowErrorToast;
1257	}
1258
1259	public void removeOnShowErrorToastListener() {
1260		synchronized (this) {
1261			this.showErrorToastListenerCount--;
1262			if (this.showErrorToastListenerCount <= 0) {
1263				this.showErrorToastListenerCount = 0;
1264				this.mOnShowErrorToast = null;
1265				if (checkListeners()) {
1266					switchToBackground();
1267				}
1268			}
1269		}
1270	}
1271
1272	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
1273		synchronized (this) {
1274			if (checkListeners()) {
1275				switchToForeground();
1276			}
1277			this.mOnAccountUpdate = listener;
1278			if (this.accountChangedListenerCount < 2) {
1279				this.accountChangedListenerCount++;
1280			}
1281		}
1282	}
1283
1284	public void removeOnAccountListChangedListener() {
1285		synchronized (this) {
1286			this.accountChangedListenerCount--;
1287			if (this.accountChangedListenerCount <= 0) {
1288				this.mOnAccountUpdate = null;
1289				this.accountChangedListenerCount = 0;
1290				if (checkListeners()) {
1291					switchToBackground();
1292				}
1293			}
1294		}
1295	}
1296
1297	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
1298		synchronized (this) {
1299			if (checkListeners()) {
1300				switchToForeground();
1301			}
1302			this.mOnRosterUpdate = listener;
1303			if (this.rosterChangedListenerCount < 2) {
1304				this.rosterChangedListenerCount++;
1305			}
1306		}
1307	}
1308
1309	public void removeOnRosterUpdateListener() {
1310		synchronized (this) {
1311			this.rosterChangedListenerCount--;
1312			if (this.rosterChangedListenerCount <= 0) {
1313				this.rosterChangedListenerCount = 0;
1314				this.mOnRosterUpdate = null;
1315				if (checkListeners()) {
1316					switchToBackground();
1317				}
1318			}
1319		}
1320	}
1321
1322	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
1323		synchronized (this) {
1324			if (checkListeners()) {
1325				switchToForeground();
1326			}
1327			this.mOnUpdateBlocklist = listener;
1328			if (this.updateBlocklistListenerCount < 2) {
1329				this.updateBlocklistListenerCount++;
1330			}
1331		}
1332	}
1333
1334	public void removeOnUpdateBlocklistListener() {
1335		synchronized (this) {
1336			this.updateBlocklistListenerCount--;
1337			if (this.updateBlocklistListenerCount <= 0) {
1338				this.updateBlocklistListenerCount = 0;
1339				this.mOnUpdateBlocklist = null;
1340				if (checkListeners()) {
1341					switchToBackground();
1342				}
1343			}
1344		}
1345	}
1346
1347	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
1348		synchronized (this) {
1349			if (checkListeners()) {
1350				switchToForeground();
1351			}
1352			this.mOnMucRosterUpdate = listener;
1353			if (this.mucRosterChangedListenerCount < 2) {
1354				this.mucRosterChangedListenerCount++;
1355			}
1356		}
1357	}
1358
1359	public void removeOnMucRosterUpdateListener() {
1360		synchronized (this) {
1361			this.mucRosterChangedListenerCount--;
1362			if (this.mucRosterChangedListenerCount <= 0) {
1363				this.mucRosterChangedListenerCount = 0;
1364				this.mOnMucRosterUpdate = null;
1365				if (checkListeners()) {
1366					switchToBackground();
1367				}
1368			}
1369		}
1370	}
1371
1372	private boolean checkListeners() {
1373		return (this.mOnAccountUpdate == null
1374				&& this.mOnConversationUpdate == null
1375				&& this.mOnRosterUpdate == null
1376				&& this.mOnUpdateBlocklist == null
1377				&& this.mOnShowErrorToast == null);
1378	}
1379
1380	private void switchToForeground() {
1381		for (Account account : getAccounts()) {
1382			if (account.getStatus() == Account.State.ONLINE) {
1383				XmppConnection connection = account.getXmppConnection();
1384				if (connection != null && connection.getFeatures().csi()) {
1385					connection.sendActive();
1386				}
1387			}
1388		}
1389		Log.d(Config.LOGTAG, "app switched into foreground");
1390	}
1391
1392	private void switchToBackground() {
1393		for (Account account : getAccounts()) {
1394			if (account.getStatus() == Account.State.ONLINE) {
1395				XmppConnection connection = account.getXmppConnection();
1396				if (connection != null && connection.getFeatures().csi()) {
1397					connection.sendInactive();
1398				}
1399			}
1400		}
1401		for(Conversation conversation : getConversations()) {
1402			conversation.setIncomingChatState(ChatState.ACTIVE);
1403		}
1404		this.mNotificationService.setIsInForeground(false);
1405		Log.d(Config.LOGTAG, "app switched into background");
1406	}
1407
1408	private void connectMultiModeConversations(Account account) {
1409		List<Conversation> conversations = getConversations();
1410		for (Conversation conversation : conversations) {
1411			if ((conversation.getMode() == Conversation.MODE_MULTI)
1412					&& (conversation.getAccount() == account)) {
1413				conversation.resetMucOptions();
1414				joinMuc(conversation);
1415			}
1416		}
1417	}
1418
1419	public void joinMuc(Conversation conversation) {
1420		Account account = conversation.getAccount();
1421		account.pendingConferenceJoins.remove(conversation);
1422		account.pendingConferenceLeaves.remove(conversation);
1423		if (account.getStatus() == Account.State.ONLINE) {
1424			final String nick = conversation.getMucOptions().getProposedNick();
1425			final Jid joinJid = conversation.getMucOptions().createJoinJid(nick);
1426			if (joinJid == null) {
1427				return; //safety net
1428			}
1429			Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": joining conversation " + joinJid.toString());
1430			PresencePacket packet = new PresencePacket();
1431			packet.setFrom(conversation.getAccount().getJid());
1432			packet.setTo(joinJid);
1433			Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
1434			if (conversation.getMucOptions().getPassword() != null) {
1435				x.addChild("password").setContent(conversation.getMucOptions().getPassword());
1436			}
1437			x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted()));
1438			String sig = account.getPgpSignature();
1439			if (sig != null) {
1440				packet.addChild("status").setContent("online");
1441				packet.addChild("x", "jabber:x:signed").setContent(sig);
1442			}
1443			sendPresencePacket(account, packet);
1444			fetchConferenceConfiguration(conversation);
1445			if (!joinJid.equals(conversation.getJid())) {
1446				conversation.setContactJid(joinJid);
1447				databaseBackend.updateConversation(conversation);
1448			}
1449			conversation.setHasMessagesLeftOnServer(false);
1450		} else {
1451			account.pendingConferenceJoins.add(conversation);
1452		}
1453	}
1454
1455	public void providePasswordForMuc(Conversation conversation, String password) {
1456		if (conversation.getMode() == Conversation.MODE_MULTI) {
1457			conversation.getMucOptions().setPassword(password);
1458			if (conversation.getBookmark() != null) {
1459				conversation.getBookmark().setAutojoin(true);
1460				pushBookmarks(conversation.getAccount());
1461			}
1462			databaseBackend.updateConversation(conversation);
1463			joinMuc(conversation);
1464		}
1465	}
1466
1467	public void renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
1468		final MucOptions options = conversation.getMucOptions();
1469		final Jid joinJid = options.createJoinJid(nick);
1470		if (options.online()) {
1471			Account account = conversation.getAccount();
1472			options.setOnRenameListener(new OnRenameListener() {
1473
1474				@Override
1475				public void onSuccess() {
1476					conversation.setContactJid(joinJid);
1477					databaseBackend.updateConversation(conversation);
1478					Bookmark bookmark = conversation.getBookmark();
1479					if (bookmark != null) {
1480						bookmark.setNick(nick);
1481						pushBookmarks(bookmark.getAccount());
1482					}
1483					callback.success(conversation);
1484				}
1485
1486				@Override
1487				public void onFailure() {
1488					callback.error(R.string.nick_in_use, conversation);
1489				}
1490			});
1491
1492			PresencePacket packet = new PresencePacket();
1493			packet.setTo(joinJid);
1494			packet.setFrom(conversation.getAccount().getJid());
1495
1496			String sig = account.getPgpSignature();
1497			if (sig != null) {
1498				packet.addChild("status").setContent("online");
1499				packet.addChild("x", "jabber:x:signed").setContent(sig);
1500			}
1501			sendPresencePacket(account, packet);
1502		} else {
1503			conversation.setContactJid(joinJid);
1504			databaseBackend.updateConversation(conversation);
1505			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1506				Bookmark bookmark = conversation.getBookmark();
1507				if (bookmark != null) {
1508					bookmark.setNick(nick);
1509					pushBookmarks(bookmark.getAccount());
1510				}
1511				joinMuc(conversation);
1512			}
1513		}
1514	}
1515
1516	public void leaveMuc(Conversation conversation) {
1517		Account account = conversation.getAccount();
1518		account.pendingConferenceJoins.remove(conversation);
1519		account.pendingConferenceLeaves.remove(conversation);
1520		if (account.getStatus() == Account.State.ONLINE) {
1521			PresencePacket packet = new PresencePacket();
1522			packet.setTo(conversation.getJid());
1523			packet.setFrom(conversation.getAccount().getJid());
1524			packet.setAttribute("type", "unavailable");
1525			sendPresencePacket(conversation.getAccount(), packet);
1526			conversation.getMucOptions().setOffline();
1527			conversation.deregisterWithBookmark();
1528			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid()
1529					+ ": leaving muc " + conversation.getJid());
1530		} else {
1531			account.pendingConferenceLeaves.add(conversation);
1532		}
1533	}
1534
1535	private String findConferenceServer(final Account account) {
1536		String server;
1537		if (account.getXmppConnection() != null) {
1538			server = account.getXmppConnection().getMucServer();
1539			if (server != null) {
1540				return server;
1541			}
1542		}
1543		for (Account other : getAccounts()) {
1544			if (other != account && other.getXmppConnection() != null) {
1545				server = other.getXmppConnection().getMucServer();
1546				if (server != null) {
1547					return server;
1548				}
1549			}
1550		}
1551		return null;
1552	}
1553
1554	public void createAdhocConference(final Account account, final Iterable<Jid> jids, final UiCallback<Conversation> callback) {
1555		Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": creating adhoc conference with " + jids.toString());
1556		if (account.getStatus() == Account.State.ONLINE) {
1557			try {
1558				String server = findConferenceServer(account);
1559				if (server == null) {
1560					if (callback != null) {
1561						callback.error(R.string.no_conference_server_found, null);
1562					}
1563					return;
1564				}
1565				String name = new BigInteger(75, getRNG()).toString(32);
1566				Jid jid = Jid.fromParts(name, server, null);
1567				final Conversation conversation = findOrCreateConversation(account, jid, true);
1568				joinMuc(conversation);
1569				Bundle options = new Bundle();
1570				options.putString("muc#roomconfig_persistentroom", "1");
1571				options.putString("muc#roomconfig_membersonly", "1");
1572				options.putString("muc#roomconfig_publicroom", "0");
1573				options.putString("muc#roomconfig_whois", "anyone");
1574				pushConferenceConfiguration(conversation, options, new OnConferenceOptionsPushed() {
1575					@Override
1576					public void onPushSucceeded() {
1577						for (Jid invite : jids) {
1578							invite(conversation, invite);
1579						}
1580						if (account.countPresences() > 1) {
1581							directInvite(conversation, account.getJid().toBareJid());
1582						}
1583						if (callback != null) {
1584							callback.success(conversation);
1585						}
1586					}
1587
1588					@Override
1589					public void onPushFailed() {
1590						if (callback != null) {
1591							callback.error(R.string.conference_creation_failed, conversation);
1592						}
1593					}
1594				});
1595
1596			} catch (InvalidJidException e) {
1597				if (callback != null) {
1598					callback.error(R.string.conference_creation_failed, null);
1599				}
1600			}
1601		} else {
1602			if (callback != null) {
1603				callback.error(R.string.not_connected_try_again, null);
1604			}
1605		}
1606	}
1607
1608	public void fetchConferenceConfiguration(final Conversation conversation) {
1609		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
1610		request.setTo(conversation.getJid().toBareJid());
1611		request.query("http://jabber.org/protocol/disco#info");
1612		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
1613			@Override
1614			public void onIqPacketReceived(Account account, IqPacket packet) {
1615				if (packet.getType() != IqPacket.TYPE.ERROR) {
1616					ArrayList<String> features = new ArrayList<>();
1617					for (Element child : packet.query().getChildren()) {
1618						if (child != null && child.getName().equals("feature")) {
1619							String var = child.getAttribute("var");
1620							if (var != null) {
1621								features.add(var);
1622							}
1623						}
1624					}
1625					conversation.getMucOptions().updateFeatures(features);
1626					updateConversationUi();
1627				}
1628			}
1629		});
1630	}
1631
1632	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConferenceOptionsPushed callback) {
1633		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
1634		request.setTo(conversation.getJid().toBareJid());
1635		request.query("http://jabber.org/protocol/muc#owner");
1636		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
1637			@Override
1638			public void onIqPacketReceived(Account account, IqPacket packet) {
1639				if (packet.getType() != IqPacket.TYPE.ERROR) {
1640					Data data = Data.parse(packet.query().findChild("x", "jabber:x:data"));
1641					for (Field field : data.getFields()) {
1642						if (options.containsKey(field.getName())) {
1643							field.setValue(options.getString(field.getName()));
1644						}
1645					}
1646					data.submit();
1647					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
1648					set.setTo(conversation.getJid().toBareJid());
1649					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
1650					sendIqPacket(account, set, new OnIqPacketReceived() {
1651						@Override
1652						public void onIqPacketReceived(Account account, IqPacket packet) {
1653							if (packet.getType() == IqPacket.TYPE.RESULT) {
1654								if (callback != null) {
1655									callback.onPushSucceeded();
1656								}
1657							} else {
1658								if (callback != null) {
1659									callback.onPushFailed();
1660								}
1661							}
1662						}
1663					});
1664				} else {
1665					if (callback != null) {
1666						callback.onPushFailed();
1667					}
1668				}
1669			}
1670		});
1671	}
1672
1673	public void pushSubjectToConference(final Conversation conference, final String subject) {
1674		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, subject);
1675		this.sendMessagePacket(conference.getAccount(), packet);
1676		final MucOptions mucOptions = conference.getMucOptions();
1677		final MucOptions.User self = mucOptions.getSelf();
1678		if (!mucOptions.persistent() && self.getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
1679			Bundle options = new Bundle();
1680			options.putString("muc#roomconfig_persistentroom", "1");
1681			this.pushConferenceConfiguration(conference, options, null);
1682		}
1683	}
1684
1685	public void changeAffiliationInConference(final Conversation conference, Jid user, MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
1686		final Jid jid = user.toBareJid();
1687		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
1688		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
1689			@Override
1690			public void onIqPacketReceived(Account account, IqPacket packet) {
1691				if (packet.getType() == IqPacket.TYPE.RESULT) {
1692					callback.onAffiliationChangedSuccessful(jid);
1693				} else {
1694					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
1695				}
1696			}
1697		});
1698	}
1699
1700	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
1701		List<Jid> jids = new ArrayList<>();
1702		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
1703			if (user.getAffiliation() == before) {
1704				jids.add(user.getJid());
1705			}
1706		}
1707		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
1708		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
1709	}
1710
1711	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
1712		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
1713		Log.d(Config.LOGTAG, request.toString());
1714		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
1715			@Override
1716			public void onIqPacketReceived(Account account, IqPacket packet) {
1717				Log.d(Config.LOGTAG, packet.toString());
1718				if (packet.getType() == IqPacket.TYPE.RESULT) {
1719					callback.onRoleChangedSuccessful(nick);
1720				} else {
1721					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
1722				}
1723			}
1724		});
1725	}
1726
1727	public void disconnect(Account account, boolean force) {
1728		if ((account.getStatus() == Account.State.ONLINE)
1729				|| (account.getStatus() == Account.State.DISABLED)) {
1730			if (!force) {
1731				List<Conversation> conversations = getConversations();
1732				for (Conversation conversation : conversations) {
1733					if (conversation.getAccount() == account) {
1734						if (conversation.getMode() == Conversation.MODE_MULTI) {
1735							leaveMuc(conversation);
1736						} else {
1737							if (conversation.endOtrIfNeeded()) {
1738								Log.d(Config.LOGTAG, account.getJid().toBareJid()
1739										+ ": ended otr session with "
1740										+ conversation.getJid());
1741							}
1742						}
1743					}
1744				}
1745				sendOfflinePresence(account);
1746			}
1747			account.getXmppConnection().disconnect(force);
1748		}
1749	}
1750
1751	@Override
1752	public IBinder onBind(Intent intent) {
1753		return mBinder;
1754	}
1755
1756	public void updateMessage(Message message) {
1757		databaseBackend.updateMessage(message);
1758		updateConversationUi();
1759	}
1760
1761	protected void syncDirtyContacts(Account account) {
1762		for (Contact contact : account.getRoster().getContacts()) {
1763			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
1764				pushContactToServer(contact);
1765			}
1766			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
1767				deleteContactOnServer(contact);
1768			}
1769		}
1770	}
1771
1772	public void createContact(Contact contact) {
1773		SharedPreferences sharedPref = getPreferences();
1774		boolean autoGrant = sharedPref.getBoolean("grant_new_contacts", true);
1775		if (autoGrant) {
1776			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
1777			contact.setOption(Contact.Options.ASKING);
1778		}
1779		pushContactToServer(contact);
1780	}
1781
1782	public void onOtrSessionEstablished(Conversation conversation) {
1783		final Account account = conversation.getAccount();
1784		final Session otrSession = conversation.getOtrSession();
1785		Log.d(Config.LOGTAG,
1786				account.getJid().toBareJid() + " otr session established with "
1787						+ conversation.getJid() + "/"
1788						+ otrSession.getSessionID().getUserID());
1789		conversation.findUnsentMessagesWithOtrEncryption(new Conversation.OnMessageFound() {
1790
1791			@Override
1792			public void onMessageFound(Message message) {
1793				SessionID id = otrSession.getSessionID();
1794				try {
1795					message.setCounterpart(Jid.fromString(id.getAccountID() + "/" + id.getUserID()));
1796				} catch (InvalidJidException e) {
1797					return;
1798				}
1799				if (message.needsUploading()) {
1800					mJingleConnectionManager.createNewConnection(message);
1801				} else {
1802					MessagePacket outPacket = mMessageGenerator.generateOtrChat(message, true);
1803					if (outPacket != null) {
1804						message.setStatus(Message.STATUS_SEND);
1805						databaseBackend.updateMessage(message);
1806						sendMessagePacket(account, outPacket);
1807					}
1808				}
1809				updateConversationUi();
1810			}
1811		});
1812	}
1813
1814	public boolean renewSymmetricKey(Conversation conversation) {
1815		Account account = conversation.getAccount();
1816		byte[] symmetricKey = new byte[32];
1817		this.mRandom.nextBytes(symmetricKey);
1818		Session otrSession = conversation.getOtrSession();
1819		if (otrSession != null) {
1820			MessagePacket packet = new MessagePacket();
1821			packet.setType(MessagePacket.TYPE_CHAT);
1822			packet.setFrom(account.getJid());
1823			packet.addChild("private", "urn:xmpp:carbons:2");
1824			packet.addChild("no-copy", "urn:xmpp:hints");
1825			packet.setAttribute("to", otrSession.getSessionID().getAccountID() + "/"
1826					+ otrSession.getSessionID().getUserID());
1827			try {
1828				packet.setBody(otrSession
1829						.transformSending(CryptoHelper.FILETRANSFER
1830								+ CryptoHelper.bytesToHex(symmetricKey))[0]);
1831				sendMessagePacket(account, packet);
1832				conversation.setSymmetricKey(symmetricKey);
1833				return true;
1834			} catch (OtrException e) {
1835				return false;
1836			}
1837		}
1838		return false;
1839	}
1840
1841	public void pushContactToServer(final Contact contact) {
1842		contact.resetOption(Contact.Options.DIRTY_DELETE);
1843		contact.setOption(Contact.Options.DIRTY_PUSH);
1844		final Account account = contact.getAccount();
1845		if (account.getStatus() == Account.State.ONLINE) {
1846			final boolean ask = contact.getOption(Contact.Options.ASKING);
1847			final boolean sendUpdates = contact
1848					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
1849					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
1850			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
1851			iq.query(Xmlns.ROSTER).addChild(contact.asElement());
1852			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
1853			if (sendUpdates) {
1854				sendPresencePacket(account,
1855						mPresenceGenerator.sendPresenceUpdatesTo(contact));
1856			}
1857			if (ask) {
1858				sendPresencePacket(account,
1859						mPresenceGenerator.requestPresenceUpdatesFrom(contact));
1860			}
1861		}
1862	}
1863
1864	public void publishAvatar(final Account account,
1865							  final Uri image,
1866							  final UiCallback<Avatar> callback) {
1867		final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
1868		final int size = Config.AVATAR_SIZE;
1869		final Avatar avatar = getFileBackend()
1870				.getPepAvatar(image, size, format);
1871		if (avatar != null) {
1872			avatar.height = size;
1873			avatar.width = size;
1874			if (format.equals(Bitmap.CompressFormat.WEBP)) {
1875				avatar.type = "image/webp";
1876			} else if (format.equals(Bitmap.CompressFormat.JPEG)) {
1877				avatar.type = "image/jpeg";
1878			} else if (format.equals(Bitmap.CompressFormat.PNG)) {
1879				avatar.type = "image/png";
1880			}
1881			if (!getFileBackend().save(avatar)) {
1882				callback.error(R.string.error_saving_avatar, avatar);
1883				return;
1884			}
1885			final IqPacket packet = this.mIqGenerator.publishAvatar(avatar);
1886			this.sendIqPacket(account, packet, new OnIqPacketReceived() {
1887
1888				@Override
1889				public void onIqPacketReceived(Account account, IqPacket result) {
1890					if (result.getType() == IqPacket.TYPE.RESULT) {
1891						final IqPacket packet = XmppConnectionService.this.mIqGenerator
1892								.publishAvatarMetadata(avatar);
1893						sendIqPacket(account, packet, new OnIqPacketReceived() {
1894
1895							@Override
1896							public void onIqPacketReceived(Account account,
1897														   IqPacket result) {
1898								if (result.getType() == IqPacket.TYPE.RESULT) {
1899									if (account.setAvatar(avatar.getFilename())) {
1900										getAvatarService().clear(account);
1901										databaseBackend.updateAccount(account);
1902									}
1903									callback.success(avatar);
1904								} else {
1905									callback.error(
1906											R.string.error_publish_avatar_server_reject,
1907											avatar);
1908								}
1909							}
1910						});
1911					} else {
1912						callback.error(
1913								R.string.error_publish_avatar_server_reject,
1914								avatar);
1915					}
1916				}
1917			});
1918		} else {
1919			callback.error(R.string.error_publish_avatar_converting, null);
1920		}
1921	}
1922
1923	public void fetchAvatar(Account account, Avatar avatar) {
1924		fetchAvatar(account, avatar, null);
1925	}
1926
1927	private static String generateFetchKey(Account account, final Avatar avatar) {
1928		return account.getJid().toBareJid()+"_"+avatar.owner+"_"+avatar.sha1sum;
1929	}
1930
1931	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
1932		final String KEY = generateFetchKey(account, avatar);
1933		synchronized(this.mInProgressAvatarFetches) {
1934			if (this.mInProgressAvatarFetches.contains(KEY)) {
1935				return;
1936			} else {
1937				switch (avatar.origin) {
1938					case PEP:
1939						this.mInProgressAvatarFetches.add(KEY);
1940						fetchAvatarPep(account, avatar, callback);
1941						break;
1942					case VCARD:
1943						this.mInProgressAvatarFetches.add(KEY);
1944						fetchAvatarVcard(account, avatar, callback);
1945						break;
1946				}
1947			}
1948		}
1949	}
1950
1951	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
1952		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
1953		sendIqPacket(account, packet, new OnIqPacketReceived() {
1954
1955			@Override
1956			public void onIqPacketReceived(Account account, IqPacket result) {
1957				synchronized (mInProgressAvatarFetches) {
1958					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
1959				}
1960				final String ERROR = account.getJid().toBareJid()
1961						+ ": fetching avatar for " + avatar.owner + " failed ";
1962				if (result.getType() == IqPacket.TYPE.RESULT) {
1963					avatar.image = mIqParser.avatarData(result);
1964					if (avatar.image != null) {
1965						if (getFileBackend().save(avatar)) {
1966							if (account.getJid().toBareJid().equals(avatar.owner)) {
1967								if (account.setAvatar(avatar.getFilename())) {
1968									databaseBackend.updateAccount(account);
1969								}
1970								getAvatarService().clear(account);
1971								updateConversationUi();
1972								updateAccountUi();
1973							} else {
1974								Contact contact = account.getRoster()
1975										.getContact(avatar.owner);
1976								contact.setAvatar(avatar);
1977								getAvatarService().clear(contact);
1978								updateConversationUi();
1979								updateRosterUi();
1980							}
1981							if (callback != null) {
1982								callback.success(avatar);
1983							}
1984							Log.d(Config.LOGTAG, account.getJid().toBareJid()
1985									+ ": succesfuly fetched pep avatar for " + avatar.owner);
1986							return;
1987						}
1988					} else {
1989
1990						Log.d(Config.LOGTAG, ERROR + "(parsing error)");
1991					}
1992				} else {
1993					Element error = result.findChild("error");
1994					if (error == null) {
1995						Log.d(Config.LOGTAG, ERROR + "(server error)");
1996					} else {
1997						Log.d(Config.LOGTAG, ERROR + error.toString());
1998					}
1999				}
2000				if (callback != null) {
2001					callback.error(0, null);
2002				}
2003
2004			}
2005		});
2006	}
2007
2008	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2009		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
2010		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2011			@Override
2012			public void onIqPacketReceived(Account account, IqPacket packet) {
2013				synchronized (mInProgressAvatarFetches) {
2014					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2015				}
2016				if (packet.getType() == IqPacket.TYPE.RESULT) {
2017					Element vCard = packet.findChild("vCard", "vcard-temp");
2018					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
2019					String image = photo != null ? photo.findChildContent("BINVAL") : null;
2020					if (image != null) {
2021						avatar.image = image;
2022						if (getFileBackend().save(avatar)) {
2023							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2024									+ ": successfully fetched vCard avatar for " + avatar.owner);
2025							Contact contact = account.getRoster()
2026									.getContact(avatar.owner);
2027							contact.setAvatar(avatar);
2028							getAvatarService().clear(contact);
2029							updateConversationUi();
2030							updateRosterUi();
2031						}
2032					}
2033				}
2034			}
2035		});
2036	}
2037
2038	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
2039		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2040		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2041
2042			@Override
2043			public void onIqPacketReceived(Account account, IqPacket packet) {
2044				if (packet.getType() == IqPacket.TYPE.RESULT) {
2045					Element pubsub = packet.findChild("pubsub",
2046							"http://jabber.org/protocol/pubsub");
2047					if (pubsub != null) {
2048						Element items = pubsub.findChild("items");
2049						if (items != null) {
2050							Avatar avatar = Avatar.parseMetadata(items);
2051							if (avatar != null) {
2052								avatar.owner = account.getJid().toBareJid();
2053								if (fileBackend.isAvatarCached(avatar)) {
2054									if (account.setAvatar(avatar.getFilename())) {
2055										databaseBackend.updateAccount(account);
2056									}
2057									getAvatarService().clear(account);
2058									callback.success(avatar);
2059								} else {
2060									fetchAvatarPep(account, avatar, callback);
2061								}
2062								return;
2063							}
2064						}
2065					}
2066				}
2067				callback.error(0, null);
2068			}
2069		});
2070	}
2071
2072	public void deleteContactOnServer(Contact contact) {
2073		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
2074		contact.resetOption(Contact.Options.DIRTY_PUSH);
2075		contact.setOption(Contact.Options.DIRTY_DELETE);
2076		Account account = contact.getAccount();
2077		if (account.getStatus() == Account.State.ONLINE) {
2078			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2079			Element item = iq.query(Xmlns.ROSTER).addChild("item");
2080			item.setAttribute("jid", contact.getJid().toString());
2081			item.setAttribute("subscription", "remove");
2082			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2083		}
2084	}
2085
2086	public void updateConversation(Conversation conversation) {
2087		this.databaseBackend.updateConversation(conversation);
2088	}
2089
2090	public void reconnectAccount(final Account account, final boolean force) {
2091		synchronized (account) {
2092			if (account.getXmppConnection() != null) {
2093				disconnect(account, force);
2094			}
2095			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2096
2097				synchronized (this.mInProgressAvatarFetches) {
2098					for(Iterator<String> iterator = this.mInProgressAvatarFetches.iterator(); iterator.hasNext();) {
2099						final String KEY = iterator.next();
2100						if (KEY.startsWith(account.getJid().toBareJid()+"_")) {
2101							iterator.remove();
2102						}
2103					}
2104				}
2105
2106				if (account.getXmppConnection() == null) {
2107					account.setXmppConnection(createConnection(account));
2108				}
2109				Thread thread = new Thread(account.getXmppConnection());
2110				thread.start();
2111				scheduleWakeUpCall(Config.CONNECT_TIMEOUT, account.getUuid().hashCode());
2112			} else {
2113				account.getRoster().clearPresences();
2114				account.setXmppConnection(null);
2115			}
2116		}
2117	}
2118
2119	public void reconnectAccountInBackground(final Account account) {
2120		new Thread(new Runnable() {
2121			@Override
2122			public void run() {
2123				reconnectAccount(account,false);
2124			}
2125		}).start();
2126	}
2127
2128	public void invite(Conversation conversation, Jid contact) {
2129		Log.d(Config.LOGTAG,conversation.getAccount().getJid().toBareJid()+": inviting "+contact+" to "+conversation.getJid().toBareJid());
2130		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
2131		sendMessagePacket(conversation.getAccount(), packet);
2132	}
2133
2134	public void directInvite(Conversation conversation, Jid jid) {
2135		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
2136		sendMessagePacket(conversation.getAccount(),packet);
2137	}
2138
2139	public void resetSendingToWaiting(Account account) {
2140		for (Conversation conversation : getConversations()) {
2141			if (conversation.getAccount() == account) {
2142				conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
2143
2144					@Override
2145					public void onMessageFound(Message message) {
2146						markMessage(message, Message.STATUS_WAITING);
2147					}
2148				});
2149			}
2150		}
2151	}
2152
2153	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
2154		if (uuid == null) {
2155			return null;
2156		}
2157		for (Conversation conversation : getConversations()) {
2158			if (conversation.getJid().toBareJid().equals(recipient) && conversation.getAccount() == account) {
2159				final Message message = conversation.findSentMessageWithUuid(uuid);
2160				if (message != null) {
2161					markMessage(message, status);
2162				}
2163				return message;
2164			}
2165		}
2166		return null;
2167	}
2168
2169	public boolean markMessage(Conversation conversation, String uuid,
2170							   int status) {
2171		if (uuid == null) {
2172			return false;
2173		} else {
2174			Message message = conversation.findSentMessageWithUuid(uuid);
2175			if (message != null) {
2176				markMessage(message, status);
2177				return true;
2178			} else {
2179				return false;
2180			}
2181		}
2182	}
2183
2184	public void markMessage(Message message, int status) {
2185		if (status == Message.STATUS_SEND_FAILED
2186				&& (message.getStatus() == Message.STATUS_SEND_RECEIVED || message
2187				.getStatus() == Message.STATUS_SEND_DISPLAYED)) {
2188			return;
2189		}
2190		message.setStatus(status);
2191		databaseBackend.updateMessage(message);
2192		updateConversationUi();
2193	}
2194
2195	public SharedPreferences getPreferences() {
2196		return PreferenceManager
2197				.getDefaultSharedPreferences(getApplicationContext());
2198	}
2199
2200	public boolean forceEncryption() {
2201		return getPreferences().getBoolean("force_encryption", false);
2202	}
2203
2204	public boolean confirmMessages() {
2205		return getPreferences().getBoolean("confirm_messages", true);
2206	}
2207
2208	public boolean sendChatStates() {
2209		return getPreferences().getBoolean("chat_states", false);
2210	}
2211
2212	public boolean saveEncryptedMessages() {
2213		return !getPreferences().getBoolean("dont_save_encrypted", false);
2214	}
2215
2216	public boolean indicateReceived() {
2217		return getPreferences().getBoolean("indicate_received", false);
2218	}
2219
2220	public int unreadCount() {
2221		int count = 0;
2222		for(Conversation conversation : getConversations()) {
2223			count += conversation.unreadCount();
2224		}
2225		return count;
2226	}
2227
2228
2229	public void showErrorToastInUi(int resId) {
2230		if (mOnShowErrorToast != null) {
2231			mOnShowErrorToast.onShowErrorToast(resId);
2232		}
2233	}
2234
2235	public void updateConversationUi() {
2236		if (mOnConversationUpdate != null) {
2237			mOnConversationUpdate.onConversationUpdate();
2238		}
2239	}
2240
2241	public void updateAccountUi() {
2242		if (mOnAccountUpdate != null) {
2243			mOnAccountUpdate.onAccountUpdate();
2244		}
2245	}
2246
2247	public void updateRosterUi() {
2248		if (mOnRosterUpdate != null) {
2249			mOnRosterUpdate.onRosterUpdate();
2250		}
2251	}
2252
2253	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
2254		if (mOnUpdateBlocklist != null) {
2255			mOnUpdateBlocklist.OnUpdateBlocklist(status);
2256		}
2257	}
2258
2259	public void updateMucRosterUi() {
2260		if (mOnMucRosterUpdate != null) {
2261			mOnMucRosterUpdate.onMucRosterUpdate();
2262		}
2263	}
2264
2265	public Account findAccountByJid(final Jid accountJid) {
2266		for (Account account : this.accounts) {
2267			if (account.getJid().toBareJid().equals(accountJid.toBareJid())) {
2268				return account;
2269			}
2270		}
2271		return null;
2272	}
2273
2274	public Conversation findConversationByUuid(String uuid) {
2275		for (Conversation conversation : getConversations()) {
2276			if (conversation.getUuid().equals(uuid)) {
2277				return conversation;
2278			}
2279		}
2280		return null;
2281	}
2282
2283	public void markRead(final Conversation conversation) {
2284		mNotificationService.clear(conversation);
2285		conversation.markRead();
2286		updateUnreadCountBadge();
2287	}
2288
2289	public synchronized void updateUnreadCountBadge() {
2290		int count = unreadCount();
2291		if (unreadCount != count) {
2292			Log.d(Config.LOGTAG, "update unread count to " + count);
2293			if (count > 0) {
2294				ShortcutBadger.with(getApplicationContext()).count(count);
2295			} else {
2296				ShortcutBadger.with(getApplicationContext()).remove();
2297			}
2298			unreadCount = count;
2299		}
2300	}
2301
2302	public void sendReadMarker(final Conversation conversation) {
2303		final Message markable = conversation.getLatestMarkableMessage();
2304		this.markRead(conversation);
2305		if (confirmMessages() && markable != null && markable.getRemoteMsgId() != null) {
2306			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
2307			Account account = conversation.getAccount();
2308			final Jid to = markable.getCounterpart();
2309			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId());
2310			this.sendMessagePacket(conversation.getAccount(), packet);
2311		}
2312		updateConversationUi();
2313	}
2314
2315	public SecureRandom getRNG() {
2316		return this.mRandom;
2317	}
2318
2319	public MemorizingTrustManager getMemorizingTrustManager() {
2320		return this.mMemorizingTrustManager;
2321	}
2322
2323	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
2324		this.mMemorizingTrustManager = trustManager;
2325	}
2326
2327	public void updateMemorizingTrustmanager() {
2328		final MemorizingTrustManager tm;
2329		final boolean dontTrustSystemCAs = getPreferences().getBoolean("dont_trust_system_cas", false);
2330		if (dontTrustSystemCAs) {
2331			 tm = new MemorizingTrustManager(getApplicationContext(), null);
2332		} else {
2333			tm = new MemorizingTrustManager(getApplicationContext());
2334		}
2335		setMemorizingTrustManager(tm);
2336	}
2337
2338	public PowerManager getPowerManager() {
2339		return this.pm;
2340	}
2341
2342	public LruCache<String, Bitmap> getBitmapCache() {
2343		return this.mBitmapCache;
2344	}
2345
2346	public void syncRosterToDisk(final Account account) {
2347		Runnable runnable = new Runnable() {
2348
2349			@Override
2350			public void run() {
2351				databaseBackend.writeRoster(account.getRoster());
2352			}
2353		};
2354		mDatabaseExecutor.execute(runnable);
2355
2356	}
2357
2358	public List<String> getKnownHosts() {
2359		final List<String> hosts = new ArrayList<>();
2360		for (final Account account : getAccounts()) {
2361			if (!hosts.contains(account.getServer().toString())) {
2362				hosts.add(account.getServer().toString());
2363			}
2364			for (final Contact contact : account.getRoster().getContacts()) {
2365				if (contact.showInRoster()) {
2366					final String server = contact.getServer().toString();
2367					if (server != null && !hosts.contains(server)) {
2368						hosts.add(server);
2369					}
2370				}
2371			}
2372		}
2373		return hosts;
2374	}
2375
2376	public List<String> getKnownConferenceHosts() {
2377		final ArrayList<String> mucServers = new ArrayList<>();
2378		for (final Account account : accounts) {
2379			if (account.getXmppConnection() != null) {
2380				final String server = account.getXmppConnection().getMucServer();
2381				if (server != null && !mucServers.contains(server)) {
2382					mucServers.add(server);
2383				}
2384			}
2385		}
2386		return mucServers;
2387	}
2388
2389	public void sendMessagePacket(Account account, MessagePacket packet) {
2390		XmppConnection connection = account.getXmppConnection();
2391		if (connection != null) {
2392			connection.sendMessagePacket(packet);
2393		}
2394	}
2395
2396	public void sendPresencePacket(Account account, PresencePacket packet) {
2397		XmppConnection connection = account.getXmppConnection();
2398		if (connection != null) {
2399			connection.sendPresencePacket(packet);
2400		}
2401	}
2402
2403	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
2404		final XmppConnection connection = account.getXmppConnection();
2405		if (connection != null) {
2406			connection.sendIqPacket(packet, callback);
2407		}
2408	}
2409
2410	public void sendPresence(final Account account) {
2411		sendPresencePacket(account, mPresenceGenerator.sendPresence(account));
2412	}
2413
2414	public void sendOfflinePresence(final Account account) {
2415		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
2416	}
2417
2418	public MessageGenerator getMessageGenerator() {
2419		return this.mMessageGenerator;
2420	}
2421
2422	public PresenceGenerator getPresenceGenerator() {
2423		return this.mPresenceGenerator;
2424	}
2425
2426	public IqGenerator getIqGenerator() {
2427		return this.mIqGenerator;
2428	}
2429
2430	public IqParser getIqParser() {
2431		return this.mIqParser;
2432	}
2433
2434	public JingleConnectionManager getJingleConnectionManager() {
2435		return this.mJingleConnectionManager;
2436	}
2437
2438	public MessageArchiveService getMessageArchiveService() {
2439		return this.mMessageArchiveService;
2440	}
2441
2442	public List<Contact> findContacts(Jid jid) {
2443		ArrayList<Contact> contacts = new ArrayList<>();
2444		for (Account account : getAccounts()) {
2445			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2446				Contact contact = account.getRoster().getContactFromRoster(jid);
2447				if (contact != null) {
2448					contacts.add(contact);
2449				}
2450			}
2451		}
2452		return contacts;
2453	}
2454
2455	public NotificationService getNotificationService() {
2456		return this.mNotificationService;
2457	}
2458
2459	public HttpConnectionManager getHttpConnectionManager() {
2460		return this.mHttpConnectionManager;
2461	}
2462
2463	public void resendFailedMessages(final Message message) {
2464		final Collection<Message> messages = new ArrayList<>();
2465		Message current = message;
2466		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
2467			messages.add(current);
2468			if (current.mergeable(current.next())) {
2469				current = current.next();
2470			} else {
2471				break;
2472			}
2473		}
2474		for (final Message msg : messages) {
2475			markMessage(msg, Message.STATUS_WAITING);
2476			this.resendMessage(msg);
2477		}
2478	}
2479
2480	public void clearConversationHistory(final Conversation conversation) {
2481		conversation.clearMessages();
2482		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
2483		new Thread(new Runnable() {
2484			@Override
2485			public void run() {
2486				databaseBackend.deleteMessagesInConversation(conversation);
2487			}
2488		}).start();
2489	}
2490
2491	public void sendBlockRequest(final Blockable blockable) {
2492		if (blockable != null && blockable.getBlockedJid() != null) {
2493			final Jid jid = blockable.getBlockedJid();
2494			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid), new OnIqPacketReceived() {
2495
2496				@Override
2497				public void onIqPacketReceived(final Account account, final IqPacket packet) {
2498					if (packet.getType() == IqPacket.TYPE.RESULT) {
2499						account.getBlocklist().add(jid);
2500						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
2501					}
2502				}
2503			});
2504		}
2505	}
2506
2507	public void sendUnblockRequest(final Blockable blockable) {
2508		if (blockable != null && blockable.getJid() != null) {
2509			final Jid jid = blockable.getBlockedJid();
2510			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
2511				@Override
2512				public void onIqPacketReceived(final Account account, final IqPacket packet) {
2513					if (packet.getType() == IqPacket.TYPE.RESULT) {
2514						account.getBlocklist().remove(jid);
2515						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
2516					}
2517				}
2518			});
2519		}
2520	}
2521
2522	public interface OnMoreMessagesLoaded {
2523		public void onMoreMessagesLoaded(int count, Conversation conversation);
2524
2525		public void informUser(int r);
2526	}
2527
2528	public interface OnAccountPasswordChanged {
2529		public void onPasswordChangeSucceeded();
2530
2531		public void onPasswordChangeFailed();
2532	}
2533
2534	public interface OnAffiliationChanged {
2535		public void onAffiliationChangedSuccessful(Jid jid);
2536
2537		public void onAffiliationChangeFailed(Jid jid, int resId);
2538	}
2539
2540	public interface OnRoleChanged {
2541		public void onRoleChangedSuccessful(String nick);
2542
2543		public void onRoleChangeFailed(String nick, int resid);
2544	}
2545
2546	public interface OnConversationUpdate {
2547		public void onConversationUpdate();
2548	}
2549
2550	public interface OnAccountUpdate {
2551		public void onAccountUpdate();
2552	}
2553
2554	public interface OnRosterUpdate {
2555		public void onRosterUpdate();
2556	}
2557
2558	public interface OnMucRosterUpdate {
2559		public void onMucRosterUpdate();
2560	}
2561
2562	public interface OnConferenceOptionsPushed {
2563		public void onPushSucceeded();
2564
2565		public void onPushFailed();
2566	}
2567
2568	public interface OnShowErrorToast {
2569		void onShowErrorToast(int resId);
2570	}
2571
2572	public class XmppConnectionBinder extends Binder {
2573		public XmppConnectionService getService() {
2574			return XmppConnectionService.this;
2575		}
2576	}
2577}