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.Transferable;
  61import eu.siacs.conversations.entities.TransferablePlaceholder;
  62import eu.siacs.conversations.entities.Message;
  63import eu.siacs.conversations.entities.MucOptions;
  64import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  65import eu.siacs.conversations.generator.IqGenerator;
  66import eu.siacs.conversations.generator.MessageGenerator;
  67import eu.siacs.conversations.generator.PresenceGenerator;
  68import eu.siacs.conversations.http.HttpConnectionManager;
  69import eu.siacs.conversations.parser.IqParser;
  70import eu.siacs.conversations.parser.MessageParser;
  71import eu.siacs.conversations.parser.PresenceParser;
  72import eu.siacs.conversations.persistance.DatabaseBackend;
  73import eu.siacs.conversations.persistance.FileBackend;
  74import eu.siacs.conversations.ui.UiCallback;
  75import eu.siacs.conversations.utils.CryptoHelper;
  76import eu.siacs.conversations.utils.ExceptionHelper;
  77import eu.siacs.conversations.utils.OnPhoneContactsLoadedListener;
  78import eu.siacs.conversations.utils.PRNGFixes;
  79import eu.siacs.conversations.utils.PhoneHelper;
  80import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
  81import eu.siacs.conversations.utils.Xmlns;
  82import eu.siacs.conversations.xml.Element;
  83import eu.siacs.conversations.xmpp.OnBindListener;
  84import eu.siacs.conversations.xmpp.OnContactStatusChanged;
  85import eu.siacs.conversations.xmpp.OnIqPacketReceived;
  86import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
  87import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
  88import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
  89import eu.siacs.conversations.xmpp.OnStatusChanged;
  90import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
  91import eu.siacs.conversations.xmpp.XmppConnection;
  92import eu.siacs.conversations.xmpp.chatstate.ChatState;
  93import eu.siacs.conversations.xmpp.forms.Data;
  94import eu.siacs.conversations.xmpp.forms.Field;
  95import eu.siacs.conversations.xmpp.jid.InvalidJidException;
  96import eu.siacs.conversations.xmpp.jid.Jid;
  97import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
  98import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
  99import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 100import eu.siacs.conversations.xmpp.pep.Avatar;
 101import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 102import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 103import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 104import me.leolin.shortcutbadger.ShortcutBadger;
 105
 106public class XmppConnectionService extends Service implements OnPhoneContactsLoadedListener {
 107
 108	public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 109	public static final String ACTION_DISABLE_FOREGROUND = "disable_foreground";
 110	private static final String ACTION_MERGE_PHONE_CONTACTS = "merge_phone_contacts";
 111	public static final String ACTION_TRY_AGAIN = "try_again";
 112	public static final String ACTION_DISABLE_ACCOUNT = "disable_account";
 113	private ContentObserver contactObserver = new ContentObserver(null) {
 114		@Override
 115		public void onChange(boolean selfChange) {
 116			super.onChange(selfChange);
 117			Intent intent = new Intent(getApplicationContext(),
 118					XmppConnectionService.class);
 119			intent.setAction(ACTION_MERGE_PHONE_CONTACTS);
 120			startService(intent);
 121		}
 122	};
 123
 124	private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor();
 125	private final SerialSingleThreadExecutor mDatabaseExecutor = new SerialSingleThreadExecutor();
 126
 127	private final IBinder mBinder = new XmppConnectionBinder();
 128	private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 129	private final FileObserver fileObserver = new FileObserver(
 130			FileBackend.getConversationsImageDirectory()) {
 131
 132		@Override
 133		public void onEvent(int event, String path) {
 134			if (event == FileObserver.DELETE) {
 135				markFileDeleted(path.split("\\.")[0]);
 136			}
 137		}
 138	};
 139	private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 140
 141		@Override
 142		public void onJinglePacketReceived(Account account, JinglePacket packet) {
 143			mJingleConnectionManager.deliverPacket(account, packet);
 144		}
 145	};
 146	private final OnBindListener mOnBindListener = new OnBindListener() {
 147
 148		@Override
 149		public void onBind(final Account account) {
 150			account.getRoster().clearPresences();
 151			account.pendingConferenceJoins.clear();
 152			account.pendingConferenceLeaves.clear();
 153			fetchRosterFromServer(account);
 154			fetchBookmarks(account);
 155			sendPresence(account);
 156			connectMultiModeConversations(account);
 157			updateConversationUi();
 158		}
 159	};
 160	private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 161
 162		@Override
 163		public void onMessageAcknowledged(Account account, String uuid) {
 164			for (final Conversation conversation : getConversations()) {
 165				if (conversation.getAccount() == account) {
 166					Message message = conversation.findUnsentMessageWithUuid(uuid);
 167					if (message != null) {
 168						markMessage(message, Message.STATUS_SEND);
 169						if (conversation.setLastMessageTransmitted(System.currentTimeMillis())) {
 170							databaseBackend.updateConversation(conversation);
 171						}
 172					}
 173				}
 174			}
 175		}
 176	};
 177	private final IqGenerator mIqGenerator = new IqGenerator(this);
 178	public DatabaseBackend databaseBackend;
 179	public OnContactStatusChanged onContactStatusChanged = new OnContactStatusChanged() {
 180
 181		@Override
 182		public void onContactStatusChanged(Contact contact, boolean online) {
 183			Conversation conversation = find(getConversations(), contact);
 184			if (conversation != null) {
 185				if (online) {
 186					conversation.endOtrIfNeeded();
 187					if (contact.getPresences().size() == 1) {
 188						sendUnsentMessages(conversation);
 189					}
 190				} else {
 191					if (contact.getPresences().size() >= 1) {
 192						if (conversation.hasValidOtrSession()) {
 193							String otrResource = conversation.getOtrSession().getSessionID().getUserID();
 194							if (!(Arrays.asList(contact.getPresences().asStringArray()).contains(otrResource))) {
 195								conversation.endOtrIfNeeded();
 196							}
 197						}
 198					} else {
 199						conversation.endOtrIfNeeded();
 200					}
 201				}
 202			}
 203		}
 204	};
 205	private FileBackend fileBackend = new FileBackend(this);
 206	private MemorizingTrustManager mMemorizingTrustManager;
 207	private NotificationService mNotificationService = new NotificationService(
 208			this);
 209	private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 210	private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 211	private IqParser mIqParser = new IqParser(this);
 212	private OnIqPacketReceived mDefaultIqHandler = new OnIqPacketReceived() {
 213		@Override
 214		public void onIqPacketReceived(Account account, IqPacket packet) {
 215			if (packet.getType() == IqPacket.TYPE.ERROR) {
 216				Element error = packet.findChild("error");
 217				String text = error != null ? error.findChildContent("text") : null;
 218				if (text != null) {
 219					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": received iq error - "+text);
 220				}
 221			}
 222		}
 223	};
 224	private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 225	private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 226	private List<Account> accounts;
 227	private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 228			this);
 229	private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(
 230			this);
 231	private AvatarService mAvatarService = new AvatarService(this);
 232	private final List<String> mInProgressAvatarFetches = new ArrayList<>();
 233	private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 234	private OnConversationUpdate mOnConversationUpdate = null;
 235	private int convChangedListenerCount = 0;
 236	private OnShowErrorToast mOnShowErrorToast = null;
 237	private int showErrorToastListenerCount = 0;
 238	private int unreadCount = -1;
 239	private OnAccountUpdate mOnAccountUpdate = null;
 240	private OnStatusChanged statusListener = new OnStatusChanged() {
 241
 242		@Override
 243		public void onStatusChanged(Account account) {
 244			XmppConnection connection = account.getXmppConnection();
 245			if (mOnAccountUpdate != null) {
 246				mOnAccountUpdate.onAccountUpdate();
 247			}
 248			if (account.getStatus() == Account.State.ONLINE) {
 249				for (Conversation conversation : account.pendingConferenceLeaves) {
 250					leaveMuc(conversation);
 251				}
 252				for (Conversation conversation : account.pendingConferenceJoins) {
 253					joinMuc(conversation);
 254				}
 255				mMessageArchiveService.executePendingQueries(account);
 256				mJingleConnectionManager.cancelInTransmission();
 257				List<Conversation> conversations = getConversations();
 258				for (Conversation conversation : conversations) {
 259					if (conversation.getAccount() == account) {
 260						conversation.startOtrIfNeeded();
 261						sendUnsentMessages(conversation);
 262					}
 263				}
 264				if (connection != null && connection.getFeatures().csi()) {
 265					if (checkListeners()) {
 266						Log.d(Config.LOGTAG, account.getJid().toBareJid()
 267								+ " sending csi//inactive");
 268						connection.sendInactive();
 269					} else {
 270						Log.d(Config.LOGTAG, account.getJid().toBareJid()
 271								+ " sending csi//active");
 272						connection.sendActive();
 273					}
 274				}
 275				syncDirtyContacts(account);
 276				account.getAxolotlService().publishOwnDeviceIdIfNeeded();
 277				account.getAxolotlService().publishBundlesIfNeeded();
 278
 279				scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 280			} else if (account.getStatus() == Account.State.OFFLINE) {
 281				resetSendingToWaiting(account);
 282				if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 283					int timeToReconnect = mRandom.nextInt(50) + 10;
 284					scheduleWakeUpCall(timeToReconnect,account.getUuid().hashCode());
 285				}
 286			} else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 287				databaseBackend.updateAccount(account);
 288				reconnectAccount(account, true);
 289			} else if ((account.getStatus() != Account.State.CONNECTING)
 290					&& (account.getStatus() != Account.State.NO_INTERNET)) {
 291				if (connection != null) {
 292					int next = connection.getTimeToNextAttempt();
 293					Log.d(Config.LOGTAG, account.getJid().toBareJid()
 294							+ ": error connecting account. try again in "
 295							+ next + "s for the "
 296							+ (connection.getAttempt() + 1) + " time");
 297					scheduleWakeUpCall(next,account.getUuid().hashCode());
 298				}
 299					}
 300			getNotificationService().updateErrorNotification();
 301		}
 302	};
 303	private int accountChangedListenerCount = 0;
 304	private OnRosterUpdate mOnRosterUpdate = null;
 305	private OnUpdateBlocklist mOnUpdateBlocklist = null;
 306	private int updateBlocklistListenerCount = 0;
 307	private int rosterChangedListenerCount = 0;
 308	private OnMucRosterUpdate mOnMucRosterUpdate = null;
 309	private int mucRosterChangedListenerCount = 0;
 310	private SecureRandom mRandom;
 311	private OpenPgpServiceConnection pgpServiceConnection;
 312	private PgpEngine mPgpEngine = null;
 313	private WakeLock wakeLock;
 314	private PowerManager pm;
 315	private LruCache<String, Bitmap> mBitmapCache;
 316	private Thread mPhoneContactMergerThread;
 317
 318	private boolean mRestoredFromDatabase = false;
 319	public boolean areMessagesInitialized() {
 320		return this.mRestoredFromDatabase;
 321	}
 322
 323	public PgpEngine getPgpEngine() {
 324		if (pgpServiceConnection.isBound()) {
 325			if (this.mPgpEngine == null) {
 326				this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 327							getApplicationContext(),
 328							pgpServiceConnection.getService()), this);
 329			}
 330			return mPgpEngine;
 331		} else {
 332			return null;
 333		}
 334
 335	}
 336
 337	public FileBackend getFileBackend() {
 338		return this.fileBackend;
 339	}
 340
 341	public AvatarService getAvatarService() {
 342		return this.mAvatarService;
 343	}
 344
 345	public void attachLocationToConversation(final Conversation conversation,
 346											 final Uri uri,
 347											 final UiCallback<Message> callback) {
 348		int encryption = conversation.getNextEncryption(forceEncryption());
 349		if (encryption == Message.ENCRYPTION_PGP) {
 350			encryption = Message.ENCRYPTION_DECRYPTED;
 351		}
 352		Message message = new Message(conversation,uri.toString(),encryption);
 353		if (conversation.getNextCounterpart() != null) {
 354			message.setCounterpart(conversation.getNextCounterpart());
 355		}
 356		if (encryption == Message.ENCRYPTION_DECRYPTED) {
 357			getPgpEngine().encrypt(message, callback);
 358		} else {
 359			callback.success(message);
 360		}
 361	}
 362
 363	public void attachFileToConversation(final Conversation conversation,
 364			final Uri uri,
 365			final UiCallback<Message> callback) {
 366		final Message message;
 367		if (conversation.getNextEncryption(forceEncryption()) == Message.ENCRYPTION_PGP) {
 368			message = new Message(conversation, "",
 369					Message.ENCRYPTION_DECRYPTED);
 370		} else {
 371			message = new Message(conversation, "",
 372					conversation.getNextEncryption(forceEncryption()));
 373		}
 374		message.setCounterpart(conversation.getNextCounterpart());
 375		message.setType(Message.TYPE_FILE);
 376		String path = getFileBackend().getOriginalPath(uri);
 377		if (path!=null) {
 378			message.setRelativeFilePath(path);
 379			getFileBackend().updateFileParams(message);
 380			if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 381				getPgpEngine().encrypt(message, callback);
 382			} else {
 383				callback.success(message);
 384			}
 385		} else {
 386			mFileAddingExecutor.execute(new Runnable() {
 387				@Override
 388				public void run() {
 389					try {
 390						getFileBackend().copyFileToPrivateStorage(message, uri);
 391						getFileBackend().updateFileParams(message);
 392						if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 393							getPgpEngine().encrypt(message, callback);
 394						} else {
 395							callback.success(message);
 396						}
 397					} catch (FileBackend.FileCopyException e) {
 398						callback.error(e.getResId(), message);
 399					}
 400				}
 401			});
 402		}
 403	}
 404
 405	public void attachImageToConversation(final Conversation conversation,
 406			final Uri uri, final UiCallback<Message> callback) {
 407		final Message message;
 408		if (conversation.getNextEncryption(forceEncryption()) == Message.ENCRYPTION_PGP) {
 409			message = new Message(conversation, "",
 410					Message.ENCRYPTION_DECRYPTED);
 411		} else {
 412			message = new Message(conversation, "",
 413					conversation.getNextEncryption(forceEncryption()));
 414		}
 415		message.setCounterpart(conversation.getNextCounterpart());
 416		message.setType(Message.TYPE_IMAGE);
 417		mFileAddingExecutor.execute(new Runnable() {
 418
 419			@Override
 420			public void run() {
 421				try {
 422					getFileBackend().copyImageToPrivateStorage(message, uri);
 423					if (conversation.getNextEncryption(forceEncryption()) == Message.ENCRYPTION_PGP) {
 424						getPgpEngine().encrypt(message, callback);
 425					} else {
 426						callback.success(message);
 427					}
 428				} catch (final FileBackend.FileCopyException e) {
 429					callback.error(e.getResId(), message);
 430				}
 431			}
 432		});
 433	}
 434
 435	public Conversation find(Bookmark bookmark) {
 436		return find(bookmark.getAccount(), bookmark.getJid());
 437	}
 438
 439	public Conversation find(final Account account, final Jid jid) {
 440		return find(getConversations(), account, jid);
 441	}
 442
 443	@Override
 444	public int onStartCommand(Intent intent, int flags, int startId) {
 445		final String action = intent == null ? null : intent.getAction();
 446		if (action != null) {
 447			switch (action) {
 448				case ConnectivityManager.CONNECTIVITY_ACTION:
 449					if (hasInternetConnection() && Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 450						resetAllAttemptCounts(true);
 451					}
 452					break;
 453				case ACTION_MERGE_PHONE_CONTACTS:
 454					if (mRestoredFromDatabase) {
 455						PhoneHelper.loadPhoneContacts(getApplicationContext(),
 456								new CopyOnWriteArrayList<Bundle>(),
 457								this);
 458					}
 459					return START_STICKY;
 460				case Intent.ACTION_SHUTDOWN:
 461					logoutAndSave();
 462					return START_NOT_STICKY;
 463				case ACTION_CLEAR_NOTIFICATION:
 464					mNotificationService.clear();
 465					break;
 466				case ACTION_DISABLE_FOREGROUND:
 467					getPreferences().edit().putBoolean("keep_foreground_service",false).commit();
 468					toggleForegroundService();
 469					break;
 470				case ACTION_TRY_AGAIN:
 471					resetAllAttemptCounts(false);
 472					break;
 473				case ACTION_DISABLE_ACCOUNT:
 474					try {
 475						String jid = intent.getStringExtra("account");
 476						Account account = jid == null ? null : findAccountByJid(Jid.fromString(jid));
 477						if (account != null) {
 478							account.setOption(Account.OPTION_DISABLED,true);
 479							updateAccount(account);
 480						}
 481					} catch (final InvalidJidException ignored) {
 482						break;
 483					}
 484					break;
 485			}
 486		}
 487		this.wakeLock.acquire();
 488
 489		for (Account account : accounts) {
 490			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 491				if (!hasInternetConnection()) {
 492					account.setStatus(Account.State.NO_INTERNET);
 493					if (statusListener != null) {
 494						statusListener.onStatusChanged(account);
 495					}
 496				} else {
 497					if (account.getStatus() == Account.State.NO_INTERNET) {
 498						account.setStatus(Account.State.OFFLINE);
 499						if (statusListener != null) {
 500							statusListener.onStatusChanged(account);
 501						}
 502					}
 503					if (account.getStatus() == Account.State.ONLINE) {
 504						long lastReceived = account.getXmppConnection().getLastPacketReceived();
 505						long lastSent = account.getXmppConnection().getLastPingSent();
 506						long pingInterval = "ui".equals(action) ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 507						long msToNextPing = (Math.max(lastReceived,lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 508						long pingTimeoutIn = (lastSent + Config.PING_TIMEOUT * 1000) - SystemClock.elapsedRealtime();
 509						if (lastSent > lastReceived) {
 510							if (pingTimeoutIn < 0) {
 511								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": ping timeout");
 512								this.reconnectAccount(account, true);
 513							} else {
 514								int secs = (int) (pingTimeoutIn / 1000);
 515								this.scheduleWakeUpCall(secs,account.getUuid().hashCode());
 516							}
 517						} else if (msToNextPing <= 0) {
 518							account.getXmppConnection().sendPing();
 519							Log.d(Config.LOGTAG, account.getJid().toBareJid()+" send ping");
 520							this.scheduleWakeUpCall(Config.PING_TIMEOUT,account.getUuid().hashCode());
 521						} else {
 522							this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 523						}
 524					} else if (account.getStatus() == Account.State.OFFLINE) {
 525						reconnectAccount(account,true);
 526					} else if (account.getStatus() == Account.State.CONNECTING) {
 527						long timeout = Config.CONNECT_TIMEOUT - ((SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000);
 528						if (timeout < 0) {
 529							Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting");
 530							reconnectAccount(account, true);
 531						} else {
 532							scheduleWakeUpCall((int) timeout,account.getUuid().hashCode());
 533						}
 534					} else {
 535						if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 536							reconnectAccount(account, true);
 537						}
 538					}
 539
 540				}
 541				if (mOnAccountUpdate != null) {
 542					mOnAccountUpdate.onAccountUpdate();
 543				}
 544			}
 545		}
 546		/*PowerManager pm = (PowerManager) this.getSystemService(Context.POWER_SERVICE);
 547			if (!pm.isScreenOn()) {
 548			removeStaleListeners();
 549			}*/
 550		if (wakeLock.isHeld()) {
 551			try {
 552				wakeLock.release();
 553			} catch (final RuntimeException ignored) {
 554			}
 555		}
 556		return START_STICKY;
 557	}
 558
 559	private void resetAllAttemptCounts(boolean reallyAll) {
 560		Log.d(Config.LOGTAG,"resetting all attepmt counts");
 561		for(Account account : accounts) {
 562			if (account.hasErrorStatus() || reallyAll) {
 563				final XmppConnection connection = account.getXmppConnection();
 564				if (connection != null) {
 565					connection.resetAttemptCount();
 566				}
 567			}
 568		}
 569	}
 570
 571	public boolean hasInternetConnection() {
 572		ConnectivityManager cm = (ConnectivityManager) getApplicationContext()
 573			.getSystemService(Context.CONNECTIVITY_SERVICE);
 574		NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
 575		return activeNetwork != null && activeNetwork.isConnected();
 576	}
 577
 578	@SuppressLint("TrulyRandom")
 579	@Override
 580	public void onCreate() {
 581		ExceptionHelper.init(getApplicationContext());
 582		PRNGFixes.apply();
 583		this.mRandom = new SecureRandom();
 584		updateMemorizingTrustmanager();
 585		final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
 586		final int cacheSize = maxMemory / 8;
 587		this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
 588			@Override
 589			protected int sizeOf(final String key, final Bitmap bitmap) {
 590				return bitmap.getByteCount() / 1024;
 591			}
 592		};
 593
 594		this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
 595		this.accounts = databaseBackend.getAccounts();
 596
 597		restoreFromDatabase();
 598
 599		getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, contactObserver);
 600		this.fileObserver.startWatching();
 601		this.pgpServiceConnection = new OpenPgpServiceConnection(getApplicationContext(), "org.sufficientlysecure.keychain");
 602		this.pgpServiceConnection.bindToService();
 603
 604		this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 605		this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,"XmppConnectionService");
 606		toggleForegroundService();
 607		updateUnreadCountBadge();
 608	}
 609
 610	public void toggleForegroundService() {
 611		if (getPreferences().getBoolean("keep_foreground_service",false)) {
 612			startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, this.mNotificationService.createForegroundNotification());
 613		} else {
 614			stopForeground(true);
 615		}
 616	}
 617
 618	@Override
 619	public void onTaskRemoved(final Intent rootIntent) {
 620		super.onTaskRemoved(rootIntent);
 621		if (!getPreferences().getBoolean("keep_foreground_service",false)) {
 622			this.logoutAndSave();
 623		}
 624	}
 625
 626	private void logoutAndSave() {
 627		for (final Account account : accounts) {
 628			databaseBackend.writeRoster(account.getRoster());
 629			if (account.getXmppConnection() != null) {
 630				disconnect(account, false);
 631			}
 632		}
 633		Context context = getApplicationContext();
 634		AlarmManager alarmManager = (AlarmManager) context
 635				.getSystemService(Context.ALARM_SERVICE);
 636		Intent intent = new Intent(context, EventReceiver.class);
 637		alarmManager.cancel(PendingIntent.getBroadcast(context, 0, intent, 0));
 638		Log.d(Config.LOGTAG, "good bye");
 639		stopSelf();
 640	}
 641
 642	protected void scheduleWakeUpCall(int seconds, int requestCode) {
 643		final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
 644
 645		Context context = getApplicationContext();
 646		AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
 647
 648		Intent intent = new Intent(context, EventReceiver.class);
 649		intent.setAction("ping");
 650		PendingIntent alarmIntent = PendingIntent.getBroadcast(context, requestCode, intent, 0);
 651		alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, alarmIntent);
 652	}
 653
 654	public XmppConnection createConnection(final Account account) {
 655		final SharedPreferences sharedPref = getPreferences();
 656		account.setResource(sharedPref.getString("resource", "mobile")
 657				.toLowerCase(Locale.getDefault()));
 658		final XmppConnection connection = new XmppConnection(account, this);
 659		connection.setOnMessagePacketReceivedListener(this.mMessageParser);
 660		connection.setOnStatusChangedListener(this.statusListener);
 661		connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
 662		connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
 663		connection.setOnJinglePacketReceivedListener(this.jingleListener);
 664		connection.setOnBindListener(this.mOnBindListener);
 665		connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
 666		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
 667		return connection;
 668	}
 669
 670	public void sendChatState(Conversation conversation) {
 671		if (sendChatStates()) {
 672			MessagePacket packet = mMessageGenerator.generateChatState(conversation);
 673			sendMessagePacket(conversation.getAccount(), packet);
 674		}
 675	}
 676
 677	private void sendFileMessage(final Message message) {
 678		Log.d(Config.LOGTAG, "send file message");
 679		final Account account = message.getConversation().getAccount();
 680		final XmppConnection connection = account.getXmppConnection();
 681		if (connection != null && connection.getFeatures().httpUpload()) {
 682			mHttpConnectionManager.createNewUploadConnection(message);
 683		} else {
 684			mJingleConnectionManager.createNewConnection(message);
 685		}
 686	}
 687
 688	public void sendMessage(final Message message) {
 689		sendMessage(message, false);
 690	}
 691
 692	private void sendMessage(final Message message, final boolean resend) {
 693		final Account account = message.getConversation().getAccount();
 694		final Conversation conversation = message.getConversation();
 695		account.deactivateGracePeriod();
 696		MessagePacket packet = null;
 697		boolean saveInDb = true;
 698		message.setStatus(Message.STATUS_WAITING);
 699
 700		if (!resend && message.getEncryption() != Message.ENCRYPTION_OTR) {
 701			message.getConversation().endOtrIfNeeded();
 702			message.getConversation().findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR,
 703					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				case Message.ENCRYPTION_AXOLOTL:
 758					packet = account.getAxolotlService().fetchPacketFromCache(message);
 759					if (packet == null) {
 760						account.getAxolotlService().prepareMessage(message);
 761						message.setAxolotlFingerprint(account.getAxolotlService().getOwnPublicKey().getFingerprint().replaceAll("\\s", ""));
 762					}
 763					break;
 764
 765			}
 766			if (packet != null) {
 767				if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) {
 768					message.setStatus(Message.STATUS_UNSEND);
 769				} else {
 770					message.setStatus(Message.STATUS_SEND);
 771				}
 772			}
 773		} else {
 774			switch(message.getEncryption()) {
 775				case Message.ENCRYPTION_DECRYPTED:
 776					if (!message.needsUploading()) {
 777						String pgpBody = message.getEncryptedBody();
 778						String decryptedBody = message.getBody();
 779						message.setBody(pgpBody);
 780						message.setEncryption(Message.ENCRYPTION_PGP);
 781						databaseBackend.createMessage(message);
 782						saveInDb = false;
 783						message.setBody(decryptedBody);
 784						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 785					}
 786					break;
 787				case Message.ENCRYPTION_OTR:
 788					if (!conversation.hasValidOtrSession() && message.getCounterpart() != null) {
 789						conversation.startOtrSession(message.getCounterpart().getResourcepart(), false);
 790					}
 791					break;
 792				case Message.ENCRYPTION_AXOLOTL:
 793					message.setAxolotlFingerprint(account.getAxolotlService().getOwnPublicKey().getFingerprint().replaceAll("\\s", ""));
 794					break;
 795			}
 796		}
 797
 798		if (resend) {
 799			if (packet != null) {
 800				if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) {
 801					markMessage(message,Message.STATUS_UNSEND);
 802				} else {
 803					markMessage(message,Message.STATUS_SEND);
 804				}
 805			}
 806		} else {
 807			conversation.add(message);
 808			if (saveInDb && (message.getEncryption() == Message.ENCRYPTION_NONE || saveEncryptedMessages())) {
 809				databaseBackend.createMessage(message);
 810			}
 811			updateConversationUi();
 812		}
 813		if (packet != null) {
 814			if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
 815				if (this.sendChatStates()) {
 816					packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
 817				}
 818			}
 819			sendMessagePacket(account, packet);
 820		}
 821	}
 822
 823	private void sendUnsentMessages(final Conversation conversation) {
 824		conversation.findWaitingMessages(new Conversation.OnMessageFound() {
 825
 826			@Override
 827			public void onMessageFound(Message message) {
 828				resendMessage(message);
 829			}
 830		});
 831	}
 832
 833	public void resendMessage(final Message message) {
 834		sendMessage(message, true);
 835	}
 836
 837	public void fetchRosterFromServer(final Account account) {
 838		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
 839		if (!"".equals(account.getRosterVersion())) {
 840			Log.d(Config.LOGTAG, account.getJid().toBareJid()
 841					+ ": fetching roster version " + account.getRosterVersion());
 842		} else {
 843			Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": fetching roster");
 844		}
 845		iqPacket.query(Xmlns.ROSTER).setAttribute("ver",account.getRosterVersion());
 846		sendIqPacket(account,iqPacket,mIqParser);
 847	}
 848
 849	public void fetchBookmarks(final Account account) {
 850		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
 851		final Element query = iqPacket.query("jabber:iq:private");
 852		query.addChild("storage", "storage:bookmarks");
 853		final OnIqPacketReceived callback = new OnIqPacketReceived() {
 854
 855			@Override
 856			public void onIqPacketReceived(final Account account, final IqPacket packet) {
 857				final Element query = packet.query();
 858				final List<Bookmark> bookmarks = new CopyOnWriteArrayList<>();
 859				final Element storage = query.findChild("storage",
 860						"storage:bookmarks");
 861				if (storage != null) {
 862					for (final Element item : storage.getChildren()) {
 863						if (item.getName().equals("conference")) {
 864							final Bookmark bookmark = Bookmark.parse(item, account);
 865							bookmarks.add(bookmark);
 866							Conversation conversation = find(bookmark);
 867							if (conversation != null) {
 868								conversation.setBookmark(bookmark);
 869							} else if (bookmark.autojoin() && bookmark.getJid() != null) {
 870								conversation = findOrCreateConversation(
 871										account, bookmark.getJid(), true);
 872								conversation.setBookmark(bookmark);
 873								joinMuc(conversation);
 874							}
 875						}
 876					}
 877				}
 878				account.setBookmarks(bookmarks);
 879			}
 880		};
 881		sendIqPacket(account, iqPacket, callback);
 882	}
 883
 884	public void pushBookmarks(Account account) {
 885		IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
 886		Element query = iqPacket.query("jabber:iq:private");
 887		Element storage = query.addChild("storage", "storage:bookmarks");
 888		for (Bookmark bookmark : account.getBookmarks()) {
 889			storage.addChild(bookmark);
 890		}
 891		sendIqPacket(account, iqPacket, mDefaultIqHandler);
 892	}
 893
 894	public void onPhoneContactsLoaded(final List<Bundle> phoneContacts) {
 895		if (mPhoneContactMergerThread != null) {
 896			mPhoneContactMergerThread.interrupt();
 897		}
 898		mPhoneContactMergerThread = new Thread(new Runnable() {
 899			@Override
 900			public void run() {
 901				Log.d(Config.LOGTAG,"start merging phone contacts with roster");
 902				for (Account account : accounts) {
 903					List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts();
 904					for (Bundle phoneContact : phoneContacts) {
 905						if (Thread.interrupted()) {
 906							Log.d(Config.LOGTAG,"interrupted merging phone contacts");
 907							return;
 908						}
 909						Jid jid;
 910						try {
 911							jid = Jid.fromString(phoneContact.getString("jid"));
 912						} catch (final InvalidJidException e) {
 913							continue;
 914						}
 915						final Contact contact = account.getRoster().getContact(jid);
 916						String systemAccount = phoneContact.getInt("phoneid")
 917							+ "#"
 918							+ phoneContact.getString("lookup");
 919						contact.setSystemAccount(systemAccount);
 920						if (contact.setPhotoUri(phoneContact.getString("photouri"))) {
 921							getAvatarService().clear(contact);
 922						}
 923						contact.setSystemName(phoneContact.getString("displayname"));
 924						withSystemAccounts.remove(contact);
 925					}
 926					for(Contact contact : withSystemAccounts) {
 927						contact.setSystemAccount(null);
 928						contact.setSystemName(null);
 929						if (contact.setPhotoUri(null)) {
 930							getAvatarService().clear(contact);
 931						}
 932					}
 933				}
 934				Log.d(Config.LOGTAG,"finished merging phone contacts");
 935				updateAccountUi();
 936			}
 937		});
 938		mPhoneContactMergerThread.start();
 939	}
 940
 941	private void restoreFromDatabase() {
 942		synchronized (this.conversations) {
 943			final Map<String, Account> accountLookupTable = new Hashtable<>();
 944			for (Account account : this.accounts) {
 945				accountLookupTable.put(account.getUuid(), account);
 946			}
 947			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
 948			for (Conversation conversation : this.conversations) {
 949				Account account = accountLookupTable.get(conversation.getAccountUuid());
 950				conversation.setAccount(account);
 951			}
 952			Runnable runnable =new Runnable() {
 953				@Override
 954				public void run() {
 955					Log.d(Config.LOGTAG,"restoring roster");
 956					for(Account account : accounts) {
 957						databaseBackend.readRoster(account.getRoster());
 958						account.initAccountServices(XmppConnectionService.this);
 959					}
 960					getBitmapCache().evictAll();
 961					Looper.prepare();
 962					PhoneHelper.loadPhoneContacts(getApplicationContext(),
 963							new CopyOnWriteArrayList<Bundle>(),
 964							XmppConnectionService.this);
 965					Log.d(Config.LOGTAG,"restoring messages");
 966					for (Conversation conversation : conversations) {
 967						conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
 968						checkDeletedFiles(conversation);
 969					}
 970					mRestoredFromDatabase = true;
 971					Log.d(Config.LOGTAG,"restored all messages");
 972					updateConversationUi();
 973				}
 974			};
 975			mDatabaseExecutor.execute(runnable);
 976		}
 977	}
 978
 979	public List<Conversation> getConversations() {
 980		return this.conversations;
 981	}
 982
 983	private void checkDeletedFiles(Conversation conversation) {
 984		conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
 985
 986			@Override
 987			public void onMessageFound(Message message) {
 988				if (!getFileBackend().isFileAvailable(message)) {
 989					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
 990				}
 991			}
 992		});
 993	}
 994
 995	private void markFileDeleted(String uuid) {
 996		for (Conversation conversation : getConversations()) {
 997			Message message = conversation.findMessageWithFileAndUuid(uuid);
 998			if (message != null) {
 999				if (!getFileBackend().isFileAvailable(message)) {
1000					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1001					updateConversationUi();
1002				}
1003				return;
1004			}
1005		}
1006	}
1007
1008	public void populateWithOrderedConversations(final List<Conversation> list) {
1009		populateWithOrderedConversations(list, true);
1010	}
1011
1012	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1013		list.clear();
1014		if (includeNoFileUpload) {
1015			list.addAll(getConversations());
1016		} else {
1017			for (Conversation conversation : getConversations()) {
1018				if (conversation.getMode() == Conversation.MODE_SINGLE
1019						|| conversation.getAccount().httpUploadAvailable()) {
1020					list.add(conversation);
1021				}
1022			}
1023		}
1024		Collections.sort(list, new Comparator<Conversation>() {
1025			@Override
1026			public int compare(Conversation lhs, Conversation rhs) {
1027				Message left = lhs.getLatestMessage();
1028				Message right = rhs.getLatestMessage();
1029				if (left.getTimeSent() > right.getTimeSent()) {
1030					return -1;
1031				} else if (left.getTimeSent() < right.getTimeSent()) {
1032					return 1;
1033				} else {
1034					return 0;
1035				}
1036			}
1037		});
1038	}
1039
1040	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1041		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1042		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation,callback)) {
1043			return;
1044		}
1045		Runnable runnable = new Runnable() {
1046			@Override
1047			public void run() {
1048				final Account account = conversation.getAccount();
1049				List<Message> messages = databaseBackend.getMessages(conversation, 50,timestamp);
1050				if (messages.size() > 0) {
1051					conversation.addAll(0, messages);
1052					checkDeletedFiles(conversation);
1053					callback.onMoreMessagesLoaded(messages.size(), conversation);
1054				} else if (conversation.hasMessagesLeftOnServer()
1055						&& account.isOnlineAndConnected()
1056						&& account.getXmppConnection().getFeatures().mam()) {
1057					MessageArchiveService.Query query = getMessageArchiveService().query(conversation,0,timestamp - 1);
1058					if (query != null) {
1059						query.setCallback(callback);
1060					}
1061					callback.informUser(R.string.fetching_history_from_server);
1062				}
1063			}
1064		};
1065		mDatabaseExecutor.execute(runnable);
1066	}
1067
1068	public List<Account> getAccounts() {
1069		return this.accounts;
1070	}
1071
1072	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1073		for (final Conversation conversation : haystack) {
1074			if (conversation.getContact() == contact) {
1075				return conversation;
1076			}
1077		}
1078		return null;
1079	}
1080
1081	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1082		if (jid == null) {
1083			return null;
1084		}
1085		for (final Conversation conversation : haystack) {
1086			if ((account == null || conversation.getAccount() == account)
1087					&& (conversation.getJid().toBareJid().equals(jid.toBareJid()))) {
1088				return conversation;
1089			}
1090		}
1091		return null;
1092	}
1093
1094	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc) {
1095		return this.findOrCreateConversation(account, jid, muc, null);
1096	}
1097
1098	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final MessageArchiveService.Query query) {
1099		synchronized (this.conversations) {
1100			Conversation conversation = find(account, jid);
1101			if (conversation != null) {
1102				return conversation;
1103			}
1104			conversation = databaseBackend.findConversation(account, jid);
1105			if (conversation != null) {
1106				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1107				conversation.setAccount(account);
1108				if (muc) {
1109					conversation.setMode(Conversation.MODE_MULTI);
1110					conversation.setContactJid(jid);
1111				} else {
1112					conversation.setMode(Conversation.MODE_SINGLE);
1113					conversation.setContactJid(jid.toBareJid());
1114				}
1115				conversation.setNextEncryption(-1);
1116				conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1117				this.databaseBackend.updateConversation(conversation);
1118			} else {
1119				String conversationName;
1120				Contact contact = account.getRoster().getContact(jid);
1121				if (contact != null) {
1122					conversationName = contact.getDisplayName();
1123				} else {
1124					conversationName = jid.getLocalpart();
1125				}
1126				if (muc) {
1127					conversation = new Conversation(conversationName, account, jid,
1128							Conversation.MODE_MULTI);
1129				} else {
1130					conversation = new Conversation(conversationName, account, jid.toBareJid(),
1131							Conversation.MODE_SINGLE);
1132				}
1133				this.databaseBackend.createConversation(conversation);
1134			}
1135			if (account.getXmppConnection() != null
1136					&& account.getXmppConnection().getFeatures().mam()
1137					&& !muc) {
1138				if (query == null) {
1139					this.mMessageArchiveService.query(conversation);
1140				} else {
1141					if (query.getConversation() == null) {
1142						this.mMessageArchiveService.query(conversation, query.getStart());
1143					}
1144				}
1145			}
1146			checkDeletedFiles(conversation);
1147			this.conversations.add(conversation);
1148			updateConversationUi();
1149			return conversation;
1150		}
1151	}
1152
1153	public void archiveConversation(Conversation conversation) {
1154		getNotificationService().clear(conversation);
1155		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1156		conversation.setNextEncryption(-1);
1157		synchronized (this.conversations) {
1158			if (conversation.getMode() == Conversation.MODE_MULTI) {
1159				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1160					Bookmark bookmark = conversation.getBookmark();
1161					if (bookmark != null && bookmark.autojoin()) {
1162						bookmark.setAutojoin(false);
1163						pushBookmarks(bookmark.getAccount());
1164					}
1165				}
1166				leaveMuc(conversation);
1167			} else {
1168				conversation.endOtrIfNeeded();
1169			}
1170			this.databaseBackend.updateConversation(conversation);
1171			this.conversations.remove(conversation);
1172			updateConversationUi();
1173		}
1174	}
1175
1176	public void createAccount(final Account account) {
1177		account.initAccountServices(this);
1178		databaseBackend.createAccount(account);
1179		this.accounts.add(account);
1180		this.reconnectAccountInBackground(account);
1181		updateAccountUi();
1182	}
1183
1184	public void updateAccount(final Account account) {
1185		this.statusListener.onStatusChanged(account);
1186		databaseBackend.updateAccount(account);
1187		reconnectAccount(account, false);
1188		updateAccountUi();
1189		getNotificationService().updateErrorNotification();
1190	}
1191
1192	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1193		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1194		sendIqPacket(account, iq, new OnIqPacketReceived() {
1195			@Override
1196			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1197				if (packet.getType() == IqPacket.TYPE.RESULT) {
1198					account.setPassword(newPassword);
1199					databaseBackend.updateAccount(account);
1200					callback.onPasswordChangeSucceeded();
1201				} else {
1202					callback.onPasswordChangeFailed();
1203				}
1204			}
1205		});
1206	}
1207
1208	public void deleteAccount(final Account account) {
1209		synchronized (this.conversations) {
1210			for (final Conversation conversation : conversations) {
1211				if (conversation.getAccount() == account) {
1212					if (conversation.getMode() == Conversation.MODE_MULTI) {
1213						leaveMuc(conversation);
1214					} else if (conversation.getMode() == Conversation.MODE_SINGLE) {
1215						conversation.endOtrIfNeeded();
1216					}
1217					conversations.remove(conversation);
1218				}
1219			}
1220			if (account.getXmppConnection() != null) {
1221				this.disconnect(account, true);
1222			}
1223			databaseBackend.deleteAccount(account);
1224			this.accounts.remove(account);
1225			updateAccountUi();
1226			getNotificationService().updateErrorNotification();
1227		}
1228	}
1229
1230	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
1231		synchronized (this) {
1232			if (checkListeners()) {
1233				switchToForeground();
1234			}
1235			this.mOnConversationUpdate = listener;
1236			this.mNotificationService.setIsInForeground(true);
1237			if (this.convChangedListenerCount < 2) {
1238				this.convChangedListenerCount++;
1239			}
1240		}
1241	}
1242
1243	public void removeOnConversationListChangedListener() {
1244		synchronized (this) {
1245			this.convChangedListenerCount--;
1246			if (this.convChangedListenerCount <= 0) {
1247				this.convChangedListenerCount = 0;
1248				this.mOnConversationUpdate = null;
1249				this.mNotificationService.setIsInForeground(false);
1250				if (checkListeners()) {
1251					switchToBackground();
1252				}
1253			}
1254		}
1255	}
1256
1257	public void setOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
1258		synchronized (this) {
1259			if (checkListeners()) {
1260				switchToForeground();
1261			}
1262			this.mOnShowErrorToast = onShowErrorToast;
1263			if (this.showErrorToastListenerCount < 2) {
1264				this.showErrorToastListenerCount++;
1265			}
1266		}
1267		this.mOnShowErrorToast = onShowErrorToast;
1268	}
1269
1270	public void removeOnShowErrorToastListener() {
1271		synchronized (this) {
1272			this.showErrorToastListenerCount--;
1273			if (this.showErrorToastListenerCount <= 0) {
1274				this.showErrorToastListenerCount = 0;
1275				this.mOnShowErrorToast = null;
1276				if (checkListeners()) {
1277					switchToBackground();
1278				}
1279			}
1280		}
1281	}
1282
1283	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
1284		synchronized (this) {
1285			if (checkListeners()) {
1286				switchToForeground();
1287			}
1288			this.mOnAccountUpdate = listener;
1289			if (this.accountChangedListenerCount < 2) {
1290				this.accountChangedListenerCount++;
1291			}
1292		}
1293	}
1294
1295	public void removeOnAccountListChangedListener() {
1296		synchronized (this) {
1297			this.accountChangedListenerCount--;
1298			if (this.accountChangedListenerCount <= 0) {
1299				this.mOnAccountUpdate = null;
1300				this.accountChangedListenerCount = 0;
1301				if (checkListeners()) {
1302					switchToBackground();
1303				}
1304			}
1305		}
1306	}
1307
1308	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
1309		synchronized (this) {
1310			if (checkListeners()) {
1311				switchToForeground();
1312			}
1313			this.mOnRosterUpdate = listener;
1314			if (this.rosterChangedListenerCount < 2) {
1315				this.rosterChangedListenerCount++;
1316			}
1317		}
1318	}
1319
1320	public void removeOnRosterUpdateListener() {
1321		synchronized (this) {
1322			this.rosterChangedListenerCount--;
1323			if (this.rosterChangedListenerCount <= 0) {
1324				this.rosterChangedListenerCount = 0;
1325				this.mOnRosterUpdate = null;
1326				if (checkListeners()) {
1327					switchToBackground();
1328				}
1329			}
1330		}
1331	}
1332
1333	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
1334		synchronized (this) {
1335			if (checkListeners()) {
1336				switchToForeground();
1337			}
1338			this.mOnUpdateBlocklist = listener;
1339			if (this.updateBlocklistListenerCount < 2) {
1340				this.updateBlocklistListenerCount++;
1341			}
1342		}
1343	}
1344
1345	public void removeOnUpdateBlocklistListener() {
1346		synchronized (this) {
1347			this.updateBlocklistListenerCount--;
1348			if (this.updateBlocklistListenerCount <= 0) {
1349				this.updateBlocklistListenerCount = 0;
1350				this.mOnUpdateBlocklist = null;
1351				if (checkListeners()) {
1352					switchToBackground();
1353				}
1354			}
1355		}
1356	}
1357
1358	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
1359		synchronized (this) {
1360			if (checkListeners()) {
1361				switchToForeground();
1362			}
1363			this.mOnMucRosterUpdate = listener;
1364			if (this.mucRosterChangedListenerCount < 2) {
1365				this.mucRosterChangedListenerCount++;
1366			}
1367		}
1368	}
1369
1370	public void removeOnMucRosterUpdateListener() {
1371		synchronized (this) {
1372			this.mucRosterChangedListenerCount--;
1373			if (this.mucRosterChangedListenerCount <= 0) {
1374				this.mucRosterChangedListenerCount = 0;
1375				this.mOnMucRosterUpdate = null;
1376				if (checkListeners()) {
1377					switchToBackground();
1378				}
1379			}
1380		}
1381	}
1382
1383	private boolean checkListeners() {
1384		return (this.mOnAccountUpdate == null
1385				&& this.mOnConversationUpdate == null
1386				&& this.mOnRosterUpdate == null
1387				&& this.mOnUpdateBlocklist == null
1388				&& this.mOnShowErrorToast == null);
1389	}
1390
1391	private void switchToForeground() {
1392		for (Account account : getAccounts()) {
1393			if (account.getStatus() == Account.State.ONLINE) {
1394				XmppConnection connection = account.getXmppConnection();
1395				if (connection != null && connection.getFeatures().csi()) {
1396					connection.sendActive();
1397				}
1398			}
1399		}
1400		Log.d(Config.LOGTAG, "app switched into foreground");
1401	}
1402
1403	private void switchToBackground() {
1404		for (Account account : getAccounts()) {
1405			if (account.getStatus() == Account.State.ONLINE) {
1406				XmppConnection connection = account.getXmppConnection();
1407				if (connection != null && connection.getFeatures().csi()) {
1408					connection.sendInactive();
1409				}
1410			}
1411		}
1412		for(Conversation conversation : getConversations()) {
1413			conversation.setIncomingChatState(ChatState.ACTIVE);
1414		}
1415		this.mNotificationService.setIsInForeground(false);
1416		Log.d(Config.LOGTAG, "app switched into background");
1417	}
1418
1419	private void connectMultiModeConversations(Account account) {
1420		List<Conversation> conversations = getConversations();
1421		for (Conversation conversation : conversations) {
1422			if ((conversation.getMode() == Conversation.MODE_MULTI)
1423					&& (conversation.getAccount() == account)) {
1424				conversation.resetMucOptions();
1425				joinMuc(conversation);
1426			}
1427		}
1428	}
1429
1430	public void joinMuc(Conversation conversation) {
1431		Account account = conversation.getAccount();
1432		account.pendingConferenceJoins.remove(conversation);
1433		account.pendingConferenceLeaves.remove(conversation);
1434		if (account.getStatus() == Account.State.ONLINE) {
1435			final String nick = conversation.getMucOptions().getProposedNick();
1436			final Jid joinJid = conversation.getMucOptions().createJoinJid(nick);
1437			if (joinJid == null) {
1438				return; //safety net
1439			}
1440			Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": joining conversation " + joinJid.toString());
1441			PresencePacket packet = new PresencePacket();
1442			packet.setFrom(conversation.getAccount().getJid());
1443			packet.setTo(joinJid);
1444			Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
1445			if (conversation.getMucOptions().getPassword() != null) {
1446				x.addChild("password").setContent(conversation.getMucOptions().getPassword());
1447			}
1448			x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted()));
1449			String sig = account.getPgpSignature();
1450			if (sig != null) {
1451				packet.addChild("status").setContent("online");
1452				packet.addChild("x", "jabber:x:signed").setContent(sig);
1453			}
1454			sendPresencePacket(account, packet);
1455			fetchConferenceConfiguration(conversation);
1456			if (!joinJid.equals(conversation.getJid())) {
1457				conversation.setContactJid(joinJid);
1458				databaseBackend.updateConversation(conversation);
1459			}
1460			conversation.setHasMessagesLeftOnServer(false);
1461		} else {
1462			account.pendingConferenceJoins.add(conversation);
1463		}
1464	}
1465
1466	public void providePasswordForMuc(Conversation conversation, String password) {
1467		if (conversation.getMode() == Conversation.MODE_MULTI) {
1468			conversation.getMucOptions().setPassword(password);
1469			if (conversation.getBookmark() != null) {
1470				conversation.getBookmark().setAutojoin(true);
1471				pushBookmarks(conversation.getAccount());
1472			}
1473			databaseBackend.updateConversation(conversation);
1474			joinMuc(conversation);
1475		}
1476	}
1477
1478	public void renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
1479		final MucOptions options = conversation.getMucOptions();
1480		final Jid joinJid = options.createJoinJid(nick);
1481		if (options.online()) {
1482			Account account = conversation.getAccount();
1483			options.setOnRenameListener(new OnRenameListener() {
1484
1485				@Override
1486				public void onSuccess() {
1487					conversation.setContactJid(joinJid);
1488					databaseBackend.updateConversation(conversation);
1489					Bookmark bookmark = conversation.getBookmark();
1490					if (bookmark != null) {
1491						bookmark.setNick(nick);
1492						pushBookmarks(bookmark.getAccount());
1493					}
1494					callback.success(conversation);
1495				}
1496
1497				@Override
1498				public void onFailure() {
1499					callback.error(R.string.nick_in_use, conversation);
1500				}
1501			});
1502
1503			PresencePacket packet = new PresencePacket();
1504			packet.setTo(joinJid);
1505			packet.setFrom(conversation.getAccount().getJid());
1506
1507			String sig = account.getPgpSignature();
1508			if (sig != null) {
1509				packet.addChild("status").setContent("online");
1510				packet.addChild("x", "jabber:x:signed").setContent(sig);
1511			}
1512			sendPresencePacket(account, packet);
1513		} else {
1514			conversation.setContactJid(joinJid);
1515			databaseBackend.updateConversation(conversation);
1516			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1517				Bookmark bookmark = conversation.getBookmark();
1518				if (bookmark != null) {
1519					bookmark.setNick(nick);
1520					pushBookmarks(bookmark.getAccount());
1521				}
1522				joinMuc(conversation);
1523			}
1524		}
1525	}
1526
1527	public void leaveMuc(Conversation conversation) {
1528		Account account = conversation.getAccount();
1529		account.pendingConferenceJoins.remove(conversation);
1530		account.pendingConferenceLeaves.remove(conversation);
1531		if (account.getStatus() == Account.State.ONLINE) {
1532			PresencePacket packet = new PresencePacket();
1533			packet.setTo(conversation.getJid());
1534			packet.setFrom(conversation.getAccount().getJid());
1535			packet.setAttribute("type", "unavailable");
1536			sendPresencePacket(conversation.getAccount(), packet);
1537			conversation.getMucOptions().setOffline();
1538			conversation.deregisterWithBookmark();
1539			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid()
1540					+ ": leaving muc " + conversation.getJid());
1541		} else {
1542			account.pendingConferenceLeaves.add(conversation);
1543		}
1544	}
1545
1546	private String findConferenceServer(final Account account) {
1547		String server;
1548		if (account.getXmppConnection() != null) {
1549			server = account.getXmppConnection().getMucServer();
1550			if (server != null) {
1551				return server;
1552			}
1553		}
1554		for (Account other : getAccounts()) {
1555			if (other != account && other.getXmppConnection() != null) {
1556				server = other.getXmppConnection().getMucServer();
1557				if (server != null) {
1558					return server;
1559				}
1560			}
1561		}
1562		return null;
1563	}
1564
1565	public void createAdhocConference(final Account account, final Iterable<Jid> jids, final UiCallback<Conversation> callback) {
1566		Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": creating adhoc conference with " + jids.toString());
1567		if (account.getStatus() == Account.State.ONLINE) {
1568			try {
1569				String server = findConferenceServer(account);
1570				if (server == null) {
1571					if (callback != null) {
1572						callback.error(R.string.no_conference_server_found, null);
1573					}
1574					return;
1575				}
1576				String name = new BigInteger(75, getRNG()).toString(32);
1577				Jid jid = Jid.fromParts(name, server, null);
1578				final Conversation conversation = findOrCreateConversation(account, jid, true);
1579				joinMuc(conversation);
1580				Bundle options = new Bundle();
1581				options.putString("muc#roomconfig_persistentroom", "1");
1582				options.putString("muc#roomconfig_membersonly", "1");
1583				options.putString("muc#roomconfig_publicroom", "0");
1584				options.putString("muc#roomconfig_whois", "anyone");
1585				pushConferenceConfiguration(conversation, options, new OnConferenceOptionsPushed() {
1586					@Override
1587					public void onPushSucceeded() {
1588						for (Jid invite : jids) {
1589							invite(conversation, invite);
1590						}
1591						if (account.countPresences() > 1) {
1592							directInvite(conversation, account.getJid().toBareJid());
1593						}
1594						if (callback != null) {
1595							callback.success(conversation);
1596						}
1597					}
1598
1599					@Override
1600					public void onPushFailed() {
1601						if (callback != null) {
1602							callback.error(R.string.conference_creation_failed, conversation);
1603						}
1604					}
1605				});
1606
1607			} catch (InvalidJidException e) {
1608				if (callback != null) {
1609					callback.error(R.string.conference_creation_failed, null);
1610				}
1611			}
1612		} else {
1613			if (callback != null) {
1614				callback.error(R.string.not_connected_try_again, null);
1615			}
1616		}
1617	}
1618
1619	public void fetchConferenceConfiguration(final Conversation conversation) {
1620		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
1621		request.setTo(conversation.getJid().toBareJid());
1622		request.query("http://jabber.org/protocol/disco#info");
1623		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
1624			@Override
1625			public void onIqPacketReceived(Account account, IqPacket packet) {
1626				if (packet.getType() != IqPacket.TYPE.ERROR) {
1627					ArrayList<String> features = new ArrayList<>();
1628					for (Element child : packet.query().getChildren()) {
1629						if (child != null && child.getName().equals("feature")) {
1630							String var = child.getAttribute("var");
1631							if (var != null) {
1632								features.add(var);
1633							}
1634						}
1635					}
1636					conversation.getMucOptions().updateFeatures(features);
1637					updateConversationUi();
1638				}
1639			}
1640		});
1641	}
1642
1643	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConferenceOptionsPushed callback) {
1644		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
1645		request.setTo(conversation.getJid().toBareJid());
1646		request.query("http://jabber.org/protocol/muc#owner");
1647		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
1648			@Override
1649			public void onIqPacketReceived(Account account, IqPacket packet) {
1650				if (packet.getType() != IqPacket.TYPE.ERROR) {
1651					Data data = Data.parse(packet.query().findChild("x", "jabber:x:data"));
1652					for (Field field : data.getFields()) {
1653						if (options.containsKey(field.getName())) {
1654							field.setValue(options.getString(field.getName()));
1655						}
1656					}
1657					data.submit();
1658					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
1659					set.setTo(conversation.getJid().toBareJid());
1660					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
1661					sendIqPacket(account, set, new OnIqPacketReceived() {
1662						@Override
1663						public void onIqPacketReceived(Account account, IqPacket packet) {
1664							if (packet.getType() == IqPacket.TYPE.RESULT) {
1665								if (callback != null) {
1666									callback.onPushSucceeded();
1667								}
1668							} else {
1669								if (callback != null) {
1670									callback.onPushFailed();
1671								}
1672							}
1673						}
1674					});
1675				} else {
1676					if (callback != null) {
1677						callback.onPushFailed();
1678					}
1679				}
1680			}
1681		});
1682	}
1683
1684	public void pushSubjectToConference(final Conversation conference, final String subject) {
1685		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, subject);
1686		this.sendMessagePacket(conference.getAccount(), packet);
1687		final MucOptions mucOptions = conference.getMucOptions();
1688		final MucOptions.User self = mucOptions.getSelf();
1689		if (!mucOptions.persistent() && self.getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
1690			Bundle options = new Bundle();
1691			options.putString("muc#roomconfig_persistentroom", "1");
1692			this.pushConferenceConfiguration(conference, options, null);
1693		}
1694	}
1695
1696	public void changeAffiliationInConference(final Conversation conference, Jid user, MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
1697		final Jid jid = user.toBareJid();
1698		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
1699		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
1700			@Override
1701			public void onIqPacketReceived(Account account, IqPacket packet) {
1702				if (packet.getType() == IqPacket.TYPE.RESULT) {
1703					callback.onAffiliationChangedSuccessful(jid);
1704				} else {
1705					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
1706				}
1707			}
1708		});
1709	}
1710
1711	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
1712		List<Jid> jids = new ArrayList<>();
1713		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
1714			if (user.getAffiliation() == before && user.getJid() != null) {
1715				jids.add(user.getJid());
1716			}
1717		}
1718		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
1719		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
1720	}
1721
1722	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
1723		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
1724		Log.d(Config.LOGTAG, request.toString());
1725		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
1726			@Override
1727			public void onIqPacketReceived(Account account, IqPacket packet) {
1728				Log.d(Config.LOGTAG, packet.toString());
1729				if (packet.getType() == IqPacket.TYPE.RESULT) {
1730					callback.onRoleChangedSuccessful(nick);
1731				} else {
1732					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
1733				}
1734			}
1735		});
1736	}
1737
1738	public void disconnect(Account account, boolean force) {
1739		if ((account.getStatus() == Account.State.ONLINE)
1740				|| (account.getStatus() == Account.State.DISABLED)) {
1741			if (!force) {
1742				List<Conversation> conversations = getConversations();
1743				for (Conversation conversation : conversations) {
1744					if (conversation.getAccount() == account) {
1745						if (conversation.getMode() == Conversation.MODE_MULTI) {
1746							leaveMuc(conversation);
1747						} else {
1748							if (conversation.endOtrIfNeeded()) {
1749								Log.d(Config.LOGTAG, account.getJid().toBareJid()
1750										+ ": ended otr session with "
1751										+ conversation.getJid());
1752							}
1753						}
1754					}
1755				}
1756				sendOfflinePresence(account);
1757			}
1758			account.getXmppConnection().disconnect(force);
1759		}
1760	}
1761
1762	@Override
1763	public IBinder onBind(Intent intent) {
1764		return mBinder;
1765	}
1766
1767	public void updateMessage(Message message) {
1768		databaseBackend.updateMessage(message);
1769		updateConversationUi();
1770	}
1771
1772	protected void syncDirtyContacts(Account account) {
1773		for (Contact contact : account.getRoster().getContacts()) {
1774			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
1775				pushContactToServer(contact);
1776			}
1777			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
1778				deleteContactOnServer(contact);
1779			}
1780		}
1781	}
1782
1783	public void createContact(Contact contact) {
1784		SharedPreferences sharedPref = getPreferences();
1785		boolean autoGrant = sharedPref.getBoolean("grant_new_contacts", true);
1786		if (autoGrant) {
1787			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
1788			contact.setOption(Contact.Options.ASKING);
1789		}
1790		pushContactToServer(contact);
1791	}
1792
1793	public void onOtrSessionEstablished(Conversation conversation) {
1794		final Account account = conversation.getAccount();
1795		final Session otrSession = conversation.getOtrSession();
1796		Log.d(Config.LOGTAG,
1797				account.getJid().toBareJid() + " otr session established with "
1798						+ conversation.getJid() + "/"
1799						+ otrSession.getSessionID().getUserID());
1800		conversation.findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR, new Conversation.OnMessageFound() {
1801
1802			@Override
1803			public void onMessageFound(Message message) {
1804				SessionID id = otrSession.getSessionID();
1805				try {
1806					message.setCounterpart(Jid.fromString(id.getAccountID() + "/" + id.getUserID()));
1807				} catch (InvalidJidException e) {
1808					return;
1809				}
1810				if (message.needsUploading()) {
1811					mJingleConnectionManager.createNewConnection(message);
1812				} else {
1813					MessagePacket outPacket = mMessageGenerator.generateOtrChat(message, true);
1814					if (outPacket != null) {
1815						message.setStatus(Message.STATUS_SEND);
1816						databaseBackend.updateMessage(message);
1817						sendMessagePacket(account, outPacket);
1818					}
1819				}
1820				updateConversationUi();
1821			}
1822		});
1823	}
1824
1825	public boolean renewSymmetricKey(Conversation conversation) {
1826		Account account = conversation.getAccount();
1827		byte[] symmetricKey = new byte[32];
1828		this.mRandom.nextBytes(symmetricKey);
1829		Session otrSession = conversation.getOtrSession();
1830		if (otrSession != null) {
1831			MessagePacket packet = new MessagePacket();
1832			packet.setType(MessagePacket.TYPE_CHAT);
1833			packet.setFrom(account.getJid());
1834			packet.addChild("private", "urn:xmpp:carbons:2");
1835			packet.addChild("no-copy", "urn:xmpp:hints");
1836			packet.setAttribute("to", otrSession.getSessionID().getAccountID() + "/"
1837					+ otrSession.getSessionID().getUserID());
1838			try {
1839				packet.setBody(otrSession
1840						.transformSending(CryptoHelper.FILETRANSFER
1841								+ CryptoHelper.bytesToHex(symmetricKey))[0]);
1842				sendMessagePacket(account, packet);
1843				conversation.setSymmetricKey(symmetricKey);
1844				return true;
1845			} catch (OtrException e) {
1846				return false;
1847			}
1848		}
1849		return false;
1850	}
1851
1852	public void pushContactToServer(final Contact contact) {
1853		contact.resetOption(Contact.Options.DIRTY_DELETE);
1854		contact.setOption(Contact.Options.DIRTY_PUSH);
1855		final Account account = contact.getAccount();
1856		if (account.getStatus() == Account.State.ONLINE) {
1857			final boolean ask = contact.getOption(Contact.Options.ASKING);
1858			final boolean sendUpdates = contact
1859					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
1860					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
1861			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
1862			iq.query(Xmlns.ROSTER).addChild(contact.asElement());
1863			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
1864			if (sendUpdates) {
1865				sendPresencePacket(account,
1866						mPresenceGenerator.sendPresenceUpdatesTo(contact));
1867			}
1868			if (ask) {
1869				sendPresencePacket(account,
1870						mPresenceGenerator.requestPresenceUpdatesFrom(contact));
1871			}
1872		}
1873	}
1874
1875	public void publishAvatar(final Account account,
1876							  final Uri image,
1877							  final UiCallback<Avatar> callback) {
1878		final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
1879		final int size = Config.AVATAR_SIZE;
1880		final Avatar avatar = getFileBackend()
1881				.getPepAvatar(image, size, format);
1882		if (avatar != null) {
1883			avatar.height = size;
1884			avatar.width = size;
1885			if (format.equals(Bitmap.CompressFormat.WEBP)) {
1886				avatar.type = "image/webp";
1887			} else if (format.equals(Bitmap.CompressFormat.JPEG)) {
1888				avatar.type = "image/jpeg";
1889			} else if (format.equals(Bitmap.CompressFormat.PNG)) {
1890				avatar.type = "image/png";
1891			}
1892			if (!getFileBackend().save(avatar)) {
1893				callback.error(R.string.error_saving_avatar, avatar);
1894				return;
1895			}
1896			final IqPacket packet = this.mIqGenerator.publishAvatar(avatar);
1897			this.sendIqPacket(account, packet, new OnIqPacketReceived() {
1898
1899				@Override
1900				public void onIqPacketReceived(Account account, IqPacket result) {
1901					if (result.getType() == IqPacket.TYPE.RESULT) {
1902						final IqPacket packet = XmppConnectionService.this.mIqGenerator
1903								.publishAvatarMetadata(avatar);
1904						sendIqPacket(account, packet, new OnIqPacketReceived() {
1905
1906							@Override
1907							public void onIqPacketReceived(Account account,
1908														   IqPacket result) {
1909								if (result.getType() == IqPacket.TYPE.RESULT) {
1910									if (account.setAvatar(avatar.getFilename())) {
1911										getAvatarService().clear(account);
1912										databaseBackend.updateAccount(account);
1913									}
1914									callback.success(avatar);
1915								} else {
1916									callback.error(
1917											R.string.error_publish_avatar_server_reject,
1918											avatar);
1919								}
1920							}
1921						});
1922					} else {
1923						callback.error(
1924								R.string.error_publish_avatar_server_reject,
1925								avatar);
1926					}
1927				}
1928			});
1929		} else {
1930			callback.error(R.string.error_publish_avatar_converting, null);
1931		}
1932	}
1933
1934	public void fetchAvatar(Account account, Avatar avatar) {
1935		fetchAvatar(account, avatar, null);
1936	}
1937
1938	private static String generateFetchKey(Account account, final Avatar avatar) {
1939		return account.getJid().toBareJid()+"_"+avatar.owner+"_"+avatar.sha1sum;
1940	}
1941
1942	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
1943		final String KEY = generateFetchKey(account, avatar);
1944		synchronized(this.mInProgressAvatarFetches) {
1945			if (this.mInProgressAvatarFetches.contains(KEY)) {
1946				return;
1947			} else {
1948				switch (avatar.origin) {
1949					case PEP:
1950						this.mInProgressAvatarFetches.add(KEY);
1951						fetchAvatarPep(account, avatar, callback);
1952						break;
1953					case VCARD:
1954						this.mInProgressAvatarFetches.add(KEY);
1955						fetchAvatarVcard(account, avatar, callback);
1956						break;
1957				}
1958			}
1959		}
1960	}
1961
1962	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
1963		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
1964		sendIqPacket(account, packet, new OnIqPacketReceived() {
1965
1966			@Override
1967			public void onIqPacketReceived(Account account, IqPacket result) {
1968				synchronized (mInProgressAvatarFetches) {
1969					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
1970				}
1971				final String ERROR = account.getJid().toBareJid()
1972						+ ": fetching avatar for " + avatar.owner + " failed ";
1973				if (result.getType() == IqPacket.TYPE.RESULT) {
1974					avatar.image = mIqParser.avatarData(result);
1975					if (avatar.image != null) {
1976						if (getFileBackend().save(avatar)) {
1977							if (account.getJid().toBareJid().equals(avatar.owner)) {
1978								if (account.setAvatar(avatar.getFilename())) {
1979									databaseBackend.updateAccount(account);
1980								}
1981								getAvatarService().clear(account);
1982								updateConversationUi();
1983								updateAccountUi();
1984							} else {
1985								Contact contact = account.getRoster()
1986										.getContact(avatar.owner);
1987								contact.setAvatar(avatar);
1988								getAvatarService().clear(contact);
1989								updateConversationUi();
1990								updateRosterUi();
1991							}
1992							if (callback != null) {
1993								callback.success(avatar);
1994							}
1995							Log.d(Config.LOGTAG, account.getJid().toBareJid()
1996									+ ": succesfuly fetched pep avatar for " + avatar.owner);
1997							return;
1998						}
1999					} else {
2000
2001						Log.d(Config.LOGTAG, ERROR + "(parsing error)");
2002					}
2003				} else {
2004					Element error = result.findChild("error");
2005					if (error == null) {
2006						Log.d(Config.LOGTAG, ERROR + "(server error)");
2007					} else {
2008						Log.d(Config.LOGTAG, ERROR + error.toString());
2009					}
2010				}
2011				if (callback != null) {
2012					callback.error(0, null);
2013				}
2014
2015			}
2016		});
2017	}
2018
2019	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2020		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
2021		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2022			@Override
2023			public void onIqPacketReceived(Account account, IqPacket packet) {
2024				synchronized (mInProgressAvatarFetches) {
2025					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2026				}
2027				if (packet.getType() == IqPacket.TYPE.RESULT) {
2028					Element vCard = packet.findChild("vCard", "vcard-temp");
2029					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
2030					String image = photo != null ? photo.findChildContent("BINVAL") : null;
2031					if (image != null) {
2032						avatar.image = image;
2033						if (getFileBackend().save(avatar)) {
2034							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2035									+ ": successfully fetched vCard avatar for " + avatar.owner);
2036							Contact contact = account.getRoster()
2037									.getContact(avatar.owner);
2038							contact.setAvatar(avatar);
2039							getAvatarService().clear(contact);
2040							updateConversationUi();
2041							updateRosterUi();
2042						}
2043					}
2044				}
2045			}
2046		});
2047	}
2048
2049	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
2050		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2051		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2052
2053			@Override
2054			public void onIqPacketReceived(Account account, IqPacket packet) {
2055				if (packet.getType() == IqPacket.TYPE.RESULT) {
2056					Element pubsub = packet.findChild("pubsub",
2057							"http://jabber.org/protocol/pubsub");
2058					if (pubsub != null) {
2059						Element items = pubsub.findChild("items");
2060						if (items != null) {
2061							Avatar avatar = Avatar.parseMetadata(items);
2062							if (avatar != null) {
2063								avatar.owner = account.getJid().toBareJid();
2064								if (fileBackend.isAvatarCached(avatar)) {
2065									if (account.setAvatar(avatar.getFilename())) {
2066										databaseBackend.updateAccount(account);
2067									}
2068									getAvatarService().clear(account);
2069									callback.success(avatar);
2070								} else {
2071									fetchAvatarPep(account, avatar, callback);
2072								}
2073								return;
2074							}
2075						}
2076					}
2077				}
2078				callback.error(0, null);
2079			}
2080		});
2081	}
2082
2083	public void deleteContactOnServer(Contact contact) {
2084		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
2085		contact.resetOption(Contact.Options.DIRTY_PUSH);
2086		contact.setOption(Contact.Options.DIRTY_DELETE);
2087		Account account = contact.getAccount();
2088		if (account.getStatus() == Account.State.ONLINE) {
2089			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2090			Element item = iq.query(Xmlns.ROSTER).addChild("item");
2091			item.setAttribute("jid", contact.getJid().toString());
2092			item.setAttribute("subscription", "remove");
2093			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2094		}
2095	}
2096
2097	public void updateConversation(Conversation conversation) {
2098		this.databaseBackend.updateConversation(conversation);
2099	}
2100
2101	public void reconnectAccount(final Account account, final boolean force) {
2102		synchronized (account) {
2103			if (account.getXmppConnection() != null) {
2104				disconnect(account, force);
2105			}
2106			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2107
2108				synchronized (this.mInProgressAvatarFetches) {
2109					for(Iterator<String> iterator = this.mInProgressAvatarFetches.iterator(); iterator.hasNext();) {
2110						final String KEY = iterator.next();
2111						if (KEY.startsWith(account.getJid().toBareJid()+"_")) {
2112							iterator.remove();
2113						}
2114					}
2115				}
2116
2117				if (account.getXmppConnection() == null) {
2118					account.setXmppConnection(createConnection(account));
2119				}
2120				Thread thread = new Thread(account.getXmppConnection());
2121				thread.start();
2122				scheduleWakeUpCall(Config.CONNECT_TIMEOUT, account.getUuid().hashCode());
2123			} else {
2124				account.getRoster().clearPresences();
2125				account.setXmppConnection(null);
2126			}
2127		}
2128	}
2129
2130	public void reconnectAccountInBackground(final Account account) {
2131		new Thread(new Runnable() {
2132			@Override
2133			public void run() {
2134				reconnectAccount(account,false);
2135			}
2136		}).start();
2137	}
2138
2139	public void invite(Conversation conversation, Jid contact) {
2140		Log.d(Config.LOGTAG,conversation.getAccount().getJid().toBareJid()+": inviting "+contact+" to "+conversation.getJid().toBareJid());
2141		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
2142		sendMessagePacket(conversation.getAccount(), packet);
2143	}
2144
2145	public void directInvite(Conversation conversation, Jid jid) {
2146		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
2147		sendMessagePacket(conversation.getAccount(),packet);
2148	}
2149
2150	public void resetSendingToWaiting(Account account) {
2151		for (Conversation conversation : getConversations()) {
2152			if (conversation.getAccount() == account) {
2153				conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
2154
2155					@Override
2156					public void onMessageFound(Message message) {
2157						markMessage(message, Message.STATUS_WAITING);
2158					}
2159				});
2160			}
2161		}
2162	}
2163
2164	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
2165		if (uuid == null) {
2166			return null;
2167		}
2168		for (Conversation conversation : getConversations()) {
2169			if (conversation.getJid().toBareJid().equals(recipient) && conversation.getAccount() == account) {
2170				final Message message = conversation.findSentMessageWithUuid(uuid);
2171				if (message != null) {
2172					markMessage(message, status);
2173				}
2174				return message;
2175			}
2176		}
2177		return null;
2178	}
2179
2180	public boolean markMessage(Conversation conversation, String uuid,
2181							   int status) {
2182		if (uuid == null) {
2183			return false;
2184		} else {
2185			Message message = conversation.findSentMessageWithUuid(uuid);
2186			if (message != null) {
2187				markMessage(message, status);
2188				return true;
2189			} else {
2190				return false;
2191			}
2192		}
2193	}
2194
2195	public void markMessage(Message message, int status) {
2196		if (status == Message.STATUS_SEND_FAILED
2197				&& (message.getStatus() == Message.STATUS_SEND_RECEIVED || message
2198				.getStatus() == Message.STATUS_SEND_DISPLAYED)) {
2199			return;
2200		}
2201		message.setStatus(status);
2202		databaseBackend.updateMessage(message);
2203		updateConversationUi();
2204	}
2205
2206	public SharedPreferences getPreferences() {
2207		return PreferenceManager
2208				.getDefaultSharedPreferences(getApplicationContext());
2209	}
2210
2211	public boolean forceEncryption() {
2212		return getPreferences().getBoolean("force_encryption", false);
2213	}
2214
2215	public boolean confirmMessages() {
2216		return getPreferences().getBoolean("confirm_messages", true);
2217	}
2218
2219	public boolean sendChatStates() {
2220		return getPreferences().getBoolean("chat_states", false);
2221	}
2222
2223	public boolean saveEncryptedMessages() {
2224		return !getPreferences().getBoolean("dont_save_encrypted", false);
2225	}
2226
2227	public boolean indicateReceived() {
2228		return getPreferences().getBoolean("indicate_received", false);
2229	}
2230
2231	public int unreadCount() {
2232		int count = 0;
2233		for(Conversation conversation : getConversations()) {
2234			count += conversation.unreadCount();
2235		}
2236		return count;
2237	}
2238
2239
2240	public void showErrorToastInUi(int resId) {
2241		if (mOnShowErrorToast != null) {
2242			mOnShowErrorToast.onShowErrorToast(resId);
2243		}
2244	}
2245
2246	public void updateConversationUi() {
2247		if (mOnConversationUpdate != null) {
2248			mOnConversationUpdate.onConversationUpdate();
2249		}
2250	}
2251
2252	public void updateAccountUi() {
2253		if (mOnAccountUpdate != null) {
2254			mOnAccountUpdate.onAccountUpdate();
2255		}
2256	}
2257
2258	public void updateRosterUi() {
2259		if (mOnRosterUpdate != null) {
2260			mOnRosterUpdate.onRosterUpdate();
2261		}
2262	}
2263
2264	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
2265		if (mOnUpdateBlocklist != null) {
2266			mOnUpdateBlocklist.OnUpdateBlocklist(status);
2267		}
2268	}
2269
2270	public void updateMucRosterUi() {
2271		if (mOnMucRosterUpdate != null) {
2272			mOnMucRosterUpdate.onMucRosterUpdate();
2273		}
2274	}
2275
2276	public Account findAccountByJid(final Jid accountJid) {
2277		for (Account account : this.accounts) {
2278			if (account.getJid().toBareJid().equals(accountJid.toBareJid())) {
2279				return account;
2280			}
2281		}
2282		return null;
2283	}
2284
2285	public Conversation findConversationByUuid(String uuid) {
2286		for (Conversation conversation : getConversations()) {
2287			if (conversation.getUuid().equals(uuid)) {
2288				return conversation;
2289			}
2290		}
2291		return null;
2292	}
2293
2294	public void markRead(final Conversation conversation) {
2295		mNotificationService.clear(conversation);
2296		conversation.markRead();
2297		updateUnreadCountBadge();
2298	}
2299
2300	public synchronized void updateUnreadCountBadge() {
2301		int count = unreadCount();
2302		if (unreadCount != count) {
2303			Log.d(Config.LOGTAG, "update unread count to " + count);
2304			if (count > 0) {
2305				ShortcutBadger.with(getApplicationContext()).count(count);
2306			} else {
2307				ShortcutBadger.with(getApplicationContext()).remove();
2308			}
2309			unreadCount = count;
2310		}
2311	}
2312
2313	public void sendReadMarker(final Conversation conversation) {
2314		final Message markable = conversation.getLatestMarkableMessage();
2315		this.markRead(conversation);
2316		if (confirmMessages() && markable != null && markable.getRemoteMsgId() != null) {
2317			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
2318			Account account = conversation.getAccount();
2319			final Jid to = markable.getCounterpart();
2320			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId());
2321			this.sendMessagePacket(conversation.getAccount(), packet);
2322		}
2323		updateConversationUi();
2324	}
2325
2326	public SecureRandom getRNG() {
2327		return this.mRandom;
2328	}
2329
2330	public MemorizingTrustManager getMemorizingTrustManager() {
2331		return this.mMemorizingTrustManager;
2332	}
2333
2334	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
2335		this.mMemorizingTrustManager = trustManager;
2336	}
2337
2338	public void updateMemorizingTrustmanager() {
2339		final MemorizingTrustManager tm;
2340		final boolean dontTrustSystemCAs = getPreferences().getBoolean("dont_trust_system_cas", false);
2341		if (dontTrustSystemCAs) {
2342			 tm = new MemorizingTrustManager(getApplicationContext(), null);
2343		} else {
2344			tm = new MemorizingTrustManager(getApplicationContext());
2345		}
2346		setMemorizingTrustManager(tm);
2347	}
2348
2349	public PowerManager getPowerManager() {
2350		return this.pm;
2351	}
2352
2353	public LruCache<String, Bitmap> getBitmapCache() {
2354		return this.mBitmapCache;
2355	}
2356
2357	public void syncRosterToDisk(final Account account) {
2358		Runnable runnable = new Runnable() {
2359
2360			@Override
2361			public void run() {
2362				databaseBackend.writeRoster(account.getRoster());
2363			}
2364		};
2365		mDatabaseExecutor.execute(runnable);
2366
2367	}
2368
2369	public List<String> getKnownHosts() {
2370		final List<String> hosts = new ArrayList<>();
2371		for (final Account account : getAccounts()) {
2372			if (!hosts.contains(account.getServer().toString())) {
2373				hosts.add(account.getServer().toString());
2374			}
2375			for (final Contact contact : account.getRoster().getContacts()) {
2376				if (contact.showInRoster()) {
2377					final String server = contact.getServer().toString();
2378					if (server != null && !hosts.contains(server)) {
2379						hosts.add(server);
2380					}
2381				}
2382			}
2383		}
2384		return hosts;
2385	}
2386
2387	public List<String> getKnownConferenceHosts() {
2388		final ArrayList<String> mucServers = new ArrayList<>();
2389		for (final Account account : accounts) {
2390			if (account.getXmppConnection() != null) {
2391				final String server = account.getXmppConnection().getMucServer();
2392				if (server != null && !mucServers.contains(server)) {
2393					mucServers.add(server);
2394				}
2395			}
2396		}
2397		return mucServers;
2398	}
2399
2400	public void sendMessagePacket(Account account, MessagePacket packet) {
2401		XmppConnection connection = account.getXmppConnection();
2402		if (connection != null) {
2403			connection.sendMessagePacket(packet);
2404		}
2405	}
2406
2407	public void sendPresencePacket(Account account, PresencePacket packet) {
2408		XmppConnection connection = account.getXmppConnection();
2409		if (connection != null) {
2410			connection.sendPresencePacket(packet);
2411		}
2412	}
2413
2414	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
2415		final XmppConnection connection = account.getXmppConnection();
2416		if (connection != null) {
2417			connection.sendIqPacket(packet, callback);
2418		}
2419	}
2420
2421	public void sendPresence(final Account account) {
2422		sendPresencePacket(account, mPresenceGenerator.sendPresence(account));
2423	}
2424
2425	public void sendOfflinePresence(final Account account) {
2426		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
2427	}
2428
2429	public MessageGenerator getMessageGenerator() {
2430		return this.mMessageGenerator;
2431	}
2432
2433	public PresenceGenerator getPresenceGenerator() {
2434		return this.mPresenceGenerator;
2435	}
2436
2437	public IqGenerator getIqGenerator() {
2438		return this.mIqGenerator;
2439	}
2440
2441	public IqParser getIqParser() {
2442		return this.mIqParser;
2443	}
2444
2445	public JingleConnectionManager getJingleConnectionManager() {
2446		return this.mJingleConnectionManager;
2447	}
2448
2449	public MessageArchiveService getMessageArchiveService() {
2450		return this.mMessageArchiveService;
2451	}
2452
2453	public List<Contact> findContacts(Jid jid) {
2454		ArrayList<Contact> contacts = new ArrayList<>();
2455		for (Account account : getAccounts()) {
2456			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2457				Contact contact = account.getRoster().getContactFromRoster(jid);
2458				if (contact != null) {
2459					contacts.add(contact);
2460				}
2461			}
2462		}
2463		return contacts;
2464	}
2465
2466	public NotificationService getNotificationService() {
2467		return this.mNotificationService;
2468	}
2469
2470	public HttpConnectionManager getHttpConnectionManager() {
2471		return this.mHttpConnectionManager;
2472	}
2473
2474	public void resendFailedMessages(final Message message) {
2475		final Collection<Message> messages = new ArrayList<>();
2476		Message current = message;
2477		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
2478			messages.add(current);
2479			if (current.mergeable(current.next())) {
2480				current = current.next();
2481			} else {
2482				break;
2483			}
2484		}
2485		for (final Message msg : messages) {
2486			markMessage(msg, Message.STATUS_WAITING);
2487			this.resendMessage(msg);
2488		}
2489	}
2490
2491	public void clearConversationHistory(final Conversation conversation) {
2492		conversation.clearMessages();
2493		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
2494		new Thread(new Runnable() {
2495			@Override
2496			public void run() {
2497				databaseBackend.deleteMessagesInConversation(conversation);
2498			}
2499		}).start();
2500	}
2501
2502	public void sendBlockRequest(final Blockable blockable) {
2503		if (blockable != null && blockable.getBlockedJid() != null) {
2504			final Jid jid = blockable.getBlockedJid();
2505			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid), new OnIqPacketReceived() {
2506
2507				@Override
2508				public void onIqPacketReceived(final Account account, final IqPacket packet) {
2509					if (packet.getType() == IqPacket.TYPE.RESULT) {
2510						account.getBlocklist().add(jid);
2511						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
2512					}
2513				}
2514			});
2515		}
2516	}
2517
2518	public void sendUnblockRequest(final Blockable blockable) {
2519		if (blockable != null && blockable.getJid() != null) {
2520			final Jid jid = blockable.getBlockedJid();
2521			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
2522				@Override
2523				public void onIqPacketReceived(final Account account, final IqPacket packet) {
2524					if (packet.getType() == IqPacket.TYPE.RESULT) {
2525						account.getBlocklist().remove(jid);
2526						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
2527					}
2528				}
2529			});
2530		}
2531	}
2532
2533	public interface OnMoreMessagesLoaded {
2534		public void onMoreMessagesLoaded(int count, Conversation conversation);
2535
2536		public void informUser(int r);
2537	}
2538
2539	public interface OnAccountPasswordChanged {
2540		public void onPasswordChangeSucceeded();
2541
2542		public void onPasswordChangeFailed();
2543	}
2544
2545	public interface OnAffiliationChanged {
2546		public void onAffiliationChangedSuccessful(Jid jid);
2547
2548		public void onAffiliationChangeFailed(Jid jid, int resId);
2549	}
2550
2551	public interface OnRoleChanged {
2552		public void onRoleChangedSuccessful(String nick);
2553
2554		public void onRoleChangeFailed(String nick, int resid);
2555	}
2556
2557	public interface OnConversationUpdate {
2558		public void onConversationUpdate();
2559	}
2560
2561	public interface OnAccountUpdate {
2562		public void onAccountUpdate();
2563	}
2564
2565	public interface OnRosterUpdate {
2566		public void onRosterUpdate();
2567	}
2568
2569	public interface OnMucRosterUpdate {
2570		public void onMucRosterUpdate();
2571	}
2572
2573	public interface OnConferenceOptionsPushed {
2574		public void onPushSucceeded();
2575
2576		public void onPushFailed();
2577	}
2578
2579	public interface OnShowErrorToast {
2580		void onShowErrorToast(int resId);
2581	}
2582
2583	public class XmppConnectionBinder extends Binder {
2584		public XmppConnectionService getService() {
2585			return XmppConnectionService.this;
2586		}
2587	}
2588}