XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import java.text.ParseException;
   4import java.text.SimpleDateFormat;
   5import java.util.Collections;
   6import java.util.Comparator;
   7import java.util.Date;
   8import java.util.Hashtable;
   9import java.util.List;
  10import java.util.Locale;
  11import java.util.Random;
  12
  13import org.openintents.openpgp.util.OpenPgpApi;
  14import org.openintents.openpgp.util.OpenPgpServiceConnection;
  15
  16import net.java.otr4j.OtrException;
  17import net.java.otr4j.session.Session;
  18import net.java.otr4j.session.SessionStatus;
  19import eu.siacs.conversations.crypto.PgpEngine;
  20import eu.siacs.conversations.entities.Account;
  21import eu.siacs.conversations.entities.Contact;
  22import eu.siacs.conversations.entities.Conversation;
  23import eu.siacs.conversations.entities.Message;
  24import eu.siacs.conversations.entities.MucOptions;
  25import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  26import eu.siacs.conversations.entities.Presences;
  27import eu.siacs.conversations.parser.MessageParser;
  28import eu.siacs.conversations.persistance.DatabaseBackend;
  29import eu.siacs.conversations.persistance.FileBackend;
  30import eu.siacs.conversations.persistance.OnPhoneContactsMerged;
  31import eu.siacs.conversations.ui.OnAccountListChangedListener;
  32import eu.siacs.conversations.ui.OnConversationListChangedListener;
  33import eu.siacs.conversations.ui.OnRosterFetchedListener;
  34import eu.siacs.conversations.ui.UiCallback;
  35import eu.siacs.conversations.utils.ExceptionHelper;
  36import eu.siacs.conversations.utils.OnPhoneContactsLoadedListener;
  37import eu.siacs.conversations.utils.PhoneHelper;
  38import eu.siacs.conversations.utils.UIHelper;
  39import eu.siacs.conversations.xml.Element;
  40import eu.siacs.conversations.xmpp.OnBindListener;
  41import eu.siacs.conversations.xmpp.OnIqPacketReceived;
  42import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
  43import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
  44import eu.siacs.conversations.xmpp.OnStatusChanged;
  45import eu.siacs.conversations.xmpp.OnTLSExceptionReceived;
  46import eu.siacs.conversations.xmpp.XmppConnection;
  47import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
  48import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
  49import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
  50import eu.siacs.conversations.xmpp.stanzas.IqPacket;
  51import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
  52import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
  53import android.app.AlarmManager;
  54import android.app.PendingIntent;
  55import android.app.Service;
  56import android.content.Context;
  57import android.content.Intent;
  58import android.content.SharedPreferences;
  59import android.database.ContentObserver;
  60import android.database.DatabaseUtils;
  61import android.net.ConnectivityManager;
  62import android.net.NetworkInfo;
  63import android.net.Uri;
  64import android.os.Binder;
  65import android.os.Bundle;
  66import android.os.IBinder;
  67import android.os.PowerManager;
  68import android.os.PowerManager.WakeLock;
  69import android.os.SystemClock;
  70import android.preference.PreferenceManager;
  71import android.provider.ContactsContract;
  72import android.util.Log;
  73
  74public class XmppConnectionService extends Service {
  75
  76	protected static final String LOGTAG = "xmppService";
  77	public DatabaseBackend databaseBackend;
  78	private FileBackend fileBackend;
  79
  80	public long startDate;
  81
  82	private static final int PING_MAX_INTERVAL = 300;
  83	private static final int PING_MIN_INTERVAL = 10;
  84	private static final int PING_TIMEOUT = 5;
  85	private static final int CONNECT_TIMEOUT = 60;
  86	private static final long CARBON_GRACE_PERIOD = 60000L;
  87
  88	private MessageParser mMessageParser = new MessageParser(this);
  89
  90	private List<Account> accounts;
  91	private List<Conversation> conversations = null;
  92	private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
  93			this);
  94
  95	private OnConversationListChangedListener convChangedListener = null;
  96	private int convChangedListenerCount = 0;
  97	private OnAccountListChangedListener accountChangedListener = null;
  98	private OnTLSExceptionReceived tlsException = null;
  99
 100	public void setOnTLSExceptionReceivedListener(
 101			OnTLSExceptionReceived listener) {
 102		tlsException = listener;
 103	}
 104
 105	private Random mRandom = new Random(System.currentTimeMillis());
 106
 107	private long lastCarbonMessageReceived = -CARBON_GRACE_PERIOD;
 108
 109	private ContentObserver contactObserver = new ContentObserver(null) {
 110		@Override
 111		public void onChange(boolean selfChange) {
 112			super.onChange(selfChange);
 113			Log.d(LOGTAG, "contact list has changed");
 114			mergePhoneContactsWithRoster(null);
 115		}
 116	};
 117
 118	private final IBinder mBinder = new XmppConnectionBinder();
 119	private OnMessagePacketReceived messageListener = new OnMessagePacketReceived() {
 120
 121		@Override
 122		public void onMessagePacketReceived(Account account,
 123				MessagePacket packet) {
 124			Message message = null;
 125			boolean notify = true;
 126			if (getPreferences().getBoolean(
 127					"notification_grace_period_after_carbon_received", true)) {
 128				notify = (SystemClock.elapsedRealtime() - lastCarbonMessageReceived) > CARBON_GRACE_PERIOD;
 129			}
 130
 131			if ((packet.getType() == MessagePacket.TYPE_CHAT)) {
 132				String pgpBody = mMessageParser.getPgpBody(packet);
 133				if (pgpBody != null) {
 134					message = mMessageParser.parsePgpChat(pgpBody, packet,
 135							account);
 136					message.markUnread();
 137				} else if ((packet.getBody() != null)
 138						&& (packet.getBody().startsWith("?OTR"))) {
 139					message = mMessageParser.parseOtrChat(packet, account);
 140					if (message != null) {
 141						message.markUnread();
 142					}
 143				} else if (packet.hasChild("body")) {
 144					message = mMessageParser
 145							.parsePlainTextChat(packet, account);
 146					message.markUnread();
 147				} else if (packet.hasChild("received")
 148						|| (packet.hasChild("sent"))) {
 149					message = mMessageParser
 150							.parseCarbonMessage(packet, account);
 151					if (message != null) {
 152						if (message.getStatus() == Message.STATUS_SEND) {
 153							lastCarbonMessageReceived = SystemClock
 154									.elapsedRealtime();
 155							notify = false;
 156							message.getConversation().markRead();
 157						} else {
 158							message.markUnread();
 159						}
 160					}
 161				}
 162
 163			} else if (packet.getType() == MessagePacket.TYPE_GROUPCHAT) {
 164				message = mMessageParser.parseGroupchat(packet, account);
 165				if (message != null) {
 166					if (message.getStatus() == Message.STATUS_RECIEVED) {
 167						message.markUnread();
 168					} else {
 169						message.getConversation().markRead();
 170						notify = false;
 171					}
 172				}
 173			} else if (packet.getType() == MessagePacket.TYPE_ERROR) {
 174				mMessageParser.parseError(packet, account);
 175				return;
 176			} else if (packet.getType() == MessagePacket.TYPE_NORMAL) {
 177				if (packet.hasChild("x")) {
 178					Element x = packet.findChild("x");
 179					if (x.hasChild("invite")) {
 180						findOrCreateConversation(account, packet.getFrom(),
 181								true);
 182						if (convChangedListener != null) {
 183							convChangedListener.onConversationListChanged();
 184						}
 185						Log.d(LOGTAG,
 186								"invitation received to " + packet.getFrom());
 187					}
 188
 189				} else {
 190					// Log.d(LOGTAG, "unparsed message " + packet.toString());
 191				}
 192			}
 193			if ((message == null) || (message.getBody() == null)) {
 194				return;
 195			}
 196			if (packet.hasChild("delay")) {
 197				try {
 198					String stamp = packet.findChild("delay").getAttribute(
 199							"stamp");
 200					stamp = stamp.replace("Z", "+0000");
 201					Date date = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ")
 202							.parse(stamp);
 203					message.setTime(date.getTime());
 204				} catch (ParseException e) {
 205					Log.d(LOGTAG, "error trying to parse date" + e.getMessage());
 206				}
 207			}
 208			Conversation conversation = message.getConversation();
 209			conversation.getMessages().add(message);
 210			if (packet.getType() != MessagePacket.TYPE_ERROR) {
 211				databaseBackend.createMessage(message);
 212			}
 213			if (convChangedListener != null) {
 214				convChangedListener.onConversationListChanged();
 215			} else {
 216				UIHelper.updateNotification(getApplicationContext(),
 217						getConversations(), message.getConversation(), notify);
 218			}
 219		}
 220	};
 221	private OnStatusChanged statusListener = new OnStatusChanged() {
 222
 223		@Override
 224		public void onStatusChanged(Account account) {
 225			if (accountChangedListener != null) {
 226				accountChangedListener.onAccountListChangedListener();
 227			}
 228			if (account.getStatus() == Account.STATUS_ONLINE) {
 229				List<Conversation> conversations = getConversations();
 230				for (int i = 0; i < conversations.size(); ++i) {
 231					if (conversations.get(i).getAccount() == account) {
 232						sendUnsendMessages(conversations.get(i));
 233					}
 234				}
 235				scheduleWakeupCall(PING_MAX_INTERVAL, true);
 236			} else if (account.getStatus() == Account.STATUS_OFFLINE) {
 237				if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 238					int timeToReconnect = mRandom.nextInt(50) + 10;
 239					scheduleWakeupCall(timeToReconnect, false);
 240				}
 241
 242			} else if (account.getStatus() == Account.STATUS_REGISTRATION_SUCCESSFULL) {
 243				databaseBackend.updateAccount(account);
 244				reconnectAccount(account, true);
 245			} else if (account.getStatus() != Account.STATUS_CONNECTING) {
 246				int next = account.getXmppConnection().getTimeToNextAttempt();
 247				Log.d(LOGTAG, account.getJid()
 248						+ ": error connecting account. try again in " + next
 249						+ "s for the "
 250						+ (account.getXmppConnection().getAttempt() + 1)
 251						+ " time");
 252				scheduleWakeupCall(next, false);
 253			}
 254			UIHelper.showErrorNotification(getApplicationContext(),
 255					getAccounts());
 256		}
 257	};
 258
 259	private OnPresencePacketReceived presenceListener = new OnPresencePacketReceived() {
 260
 261		@Override
 262		public void onPresencePacketReceived(final Account account,
 263				PresencePacket packet) {
 264			if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
 265				Conversation muc = findMuc(
 266						packet.getAttribute("from").split("/")[0], account);
 267				if (muc != null) {
 268					muc.getMucOptions().processPacket(packet);
 269				} else {
 270					Log.d(LOGTAG, account.getJid()
 271							+ ": could not find muc for received muc package "
 272							+ packet.toString());
 273				}
 274			} else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
 275				Conversation muc = findMuc(
 276						packet.getAttribute("from").split("/")[0], account);
 277				if (muc != null) {
 278					Log.d(LOGTAG,
 279							account.getJid() + ": reading muc status packet "
 280									+ packet.toString());
 281					int error = muc.getMucOptions().getError();
 282					muc.getMucOptions().processPacket(packet);
 283					if ((muc.getMucOptions().getError() != error)
 284							&& (convChangedListener != null)) {
 285						Log.d(LOGTAG, "muc error status changed");
 286						convChangedListener.onConversationListChanged();
 287					}
 288				}
 289			} else {
 290				String[] fromParts = packet.getAttribute("from").split("/");
 291				String type = packet.getAttribute("type");
 292				if (fromParts[0].equals(account.getJid())) {
 293					if (fromParts.length == 2) {
 294						if (type == null) {
 295							account.updatePresence(fromParts[1], Presences
 296									.parseShow(packet.findChild("show")));
 297						} else if (type.equals("unavailable")) {
 298							account.removePresence(fromParts[1]);
 299						}
 300					}
 301
 302				} else {
 303					Contact contact = findContact(account, fromParts[0]);
 304					if (contact == null) {
 305						if ("subscribe".equals(type)) {
 306							account.getXmppConnection().addPendingSubscription(
 307									fromParts[0]);
 308						} else {
 309							// Log.d(LOGTAG,packet.getFrom()+
 310							// " could not be found");
 311						}
 312						return;
 313					}
 314					if (type == null) {
 315						if (fromParts.length == 2) {
 316							contact.updatePresence(fromParts[1], Presences
 317									.parseShow(packet.findChild("show")));
 318							PgpEngine pgp = getPgpEngine();
 319							if (pgp != null) {
 320								Element x = packet.findChild("x",
 321										"jabber:x:signed");
 322								if (x != null) {
 323									Element status = packet.findChild("status");
 324									String msg;
 325									if (status != null) {
 326										msg = status.getContent();
 327									} else {
 328										msg = "";
 329									}
 330									contact.setPgpKeyId(pgp.fetchKeyId(account,
 331											msg, x.getContent()));
 332									Log.d("xmppService",
 333											account.getJid()
 334													+ ": fetched key id for "
 335													+ contact.getJid()
 336													+ " was:"
 337													+ contact.getPgpKeyId());
 338								}
 339							}
 340							replaceContactInConversation(account,
 341									contact.getJid(), contact);
 342							databaseBackend.updateContact(contact, true);
 343						} else {
 344							// Log.d(LOGTAG,"presence without resource "+packet.toString());
 345						}
 346					} else if (type.equals("unavailable")) {
 347						if (fromParts.length != 2) {
 348							contact.clearPresences();
 349						} else {
 350							contact.removePresence(fromParts[1]);
 351						}
 352						replaceContactInConversation(account, contact.getJid(),
 353								contact);
 354						databaseBackend.updateContact(contact, true);
 355					} else if (type.equals("subscribe")) {
 356						Log.d(LOGTAG, "received subscribe packet from "
 357								+ packet.getFrom());
 358						if (contact
 359								.getSubscriptionOption(Contact.Subscription.PREEMPTIVE_GRANT)) {
 360							Log.d(LOGTAG, "preemptive grant; granting");
 361							sendPresenceUpdatesTo(contact);
 362							contact.setSubscriptionOption(Contact.Subscription.FROM);
 363							contact.resetSubscriptionOption(Contact.Subscription.PREEMPTIVE_GRANT);
 364							replaceContactInConversation(account,
 365									contact.getJid(), contact);
 366							databaseBackend.updateContact(contact, false);
 367							if ((contact
 368									.getSubscriptionOption(Contact.Subscription.ASKING))
 369									&& (!contact
 370											.getSubscriptionOption(Contact.Subscription.TO))) {
 371								requestPresenceUpdatesFrom(contact);
 372							}
 373						} else {
 374							account.getXmppConnection().addPendingSubscription(
 375									fromParts[0]);
 376						}
 377					} else {
 378						// Log.d(LOGTAG, packet.toString());
 379					}
 380				}
 381			}
 382		}
 383	};
 384
 385	private OnIqPacketReceived unknownIqListener = new OnIqPacketReceived() {
 386
 387		@Override
 388		public void onIqPacketReceived(Account account, IqPacket packet) {
 389			if (packet.hasChild("query", "jabber:iq:roster")) {
 390				String from = packet.getFrom();
 391				if ((from == null) || (from.equals(account.getJid()))) {
 392					Element query = packet.findChild("query");
 393					processRosterItems(account, query);
 394					mergePhoneContactsWithRoster(null);
 395				} else {
 396					Log.d(LOGTAG, "unauthorized roster push from: " + from);
 397				}
 398			} else if (packet
 399					.hasChild("open", "http://jabber.org/protocol/ibb")
 400					|| packet
 401							.hasChild("data", "http://jabber.org/protocol/ibb")) {
 402				XmppConnectionService.this.mJingleConnectionManager
 403						.deliverIbbPacket(account, packet);
 404			} else if (packet.hasChild("query",
 405					"http://jabber.org/protocol/disco#info")) {
 406				IqPacket iqResponse = packet
 407						.generateRespone(IqPacket.TYPE_RESULT);
 408				Element query = iqResponse.addChild("query",
 409						"http://jabber.org/protocol/disco#info");
 410				query.addChild("feature").setAttribute("var",
 411						"urn:xmpp:jingle:1");
 412				query.addChild("feature").setAttribute("var",
 413						"urn:xmpp:jingle:apps:file-transfer:3");
 414				query.addChild("feature").setAttribute("var",
 415						"urn:xmpp:jingle:transports:s5b:1");
 416				query.addChild("feature").setAttribute("var",
 417						"urn:xmpp:jingle:transports:ibb:1");
 418				account.getXmppConnection().sendIqPacket(iqResponse, null);
 419			} else {
 420				if ((packet.getType() == IqPacket.TYPE_GET)
 421						|| (packet.getType() == IqPacket.TYPE_SET)) {
 422					IqPacket response = packet
 423							.generateRespone(IqPacket.TYPE_ERROR);
 424					Element error = response.addChild("error");
 425					error.setAttribute("type", "cancel");
 426					error.addChild("feature-not-implemented",
 427							"urn:ietf:params:xml:ns:xmpp-stanzas");
 428					account.getXmppConnection().sendIqPacket(response, null);
 429				}
 430			}
 431		}
 432	};
 433
 434	private OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 435
 436		@Override
 437		public void onJinglePacketReceived(Account account, JinglePacket packet) {
 438			mJingleConnectionManager.deliverPacket(account, packet);
 439		}
 440	};
 441
 442	private OpenPgpServiceConnection pgpServiceConnection;
 443	private PgpEngine mPgpEngine = null;
 444	private Intent pingIntent;
 445	private PendingIntent pendingPingIntent = null;
 446	private WakeLock wakeLock;
 447	private PowerManager pm;
 448
 449	public PgpEngine getPgpEngine() {
 450		if (pgpServiceConnection.isBound()) {
 451			if (this.mPgpEngine == null) {
 452				this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 453						getApplicationContext(),
 454						pgpServiceConnection.getService()), this);
 455			}
 456			return mPgpEngine;
 457		} else {
 458			return null;
 459		}
 460
 461	}
 462
 463	public FileBackend getFileBackend() {
 464		return this.fileBackend;
 465	}
 466
 467	public Message attachImageToConversation(final Conversation conversation,
 468			final Uri uri, final UiCallback callback) {
 469		final Message message;
 470		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 471			message = new Message(conversation, "",
 472					Message.ENCRYPTION_DECRYPTED);
 473		} else {
 474			message = new Message(conversation, "", Message.ENCRYPTION_NONE);
 475		}
 476		message.setPresence(conversation.getNextPresence());
 477		message.setType(Message.TYPE_IMAGE);
 478		message.setStatus(Message.STATUS_OFFERED);
 479		new Thread(new Runnable() {
 480
 481			@Override
 482			public void run() {
 483				try {
 484					getFileBackend().copyImageToPrivateStorage(message, uri);
 485					if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 486						getPgpEngine().encrypt(message, callback);
 487					} else {
 488						callback.success();
 489					}
 490				} catch (FileBackend.ImageCopyException e) {
 491					callback.error(e.getResId());
 492				}
 493			}
 494		}).start();
 495		return message;
 496	}
 497
 498	protected Conversation findMuc(String name, Account account) {
 499		for (Conversation conversation : this.conversations) {
 500			if (conversation.getContactJid().split("/")[0].equals(name)
 501					&& (conversation.getAccount() == account)) {
 502				return conversation;
 503			}
 504		}
 505		return null;
 506	}
 507
 508	private void processRosterItems(Account account, Element elements) {
 509		String version = elements.getAttribute("ver");
 510		if (version != null) {
 511			account.setRosterVersion(version);
 512			databaseBackend.updateAccount(account);
 513		}
 514		for (Element item : elements.getChildren()) {
 515			if (item.getName().equals("item")) {
 516				String jid = item.getAttribute("jid");
 517				String subscription = item.getAttribute("subscription");
 518				Contact contact = databaseBackend.findContact(account, jid);
 519				if (contact == null) {
 520					if (!subscription.equals("remove")) {
 521						String name = item.getAttribute("name");
 522						if (name == null) {
 523							name = jid.split("@")[0];
 524						}
 525						contact = new Contact(account, name, jid, null);
 526						contact.parseSubscriptionFromElement(item);
 527						databaseBackend.createContact(contact);
 528					}
 529				} else {
 530					if (subscription.equals("remove")) {
 531						databaseBackend.deleteContact(contact);
 532						replaceContactInConversation(account, contact.getJid(),
 533								null);
 534					} else {
 535						contact.parseSubscriptionFromElement(item);
 536						databaseBackend.updateContact(contact, false);
 537						replaceContactInConversation(account, contact.getJid(),
 538								contact);
 539					}
 540				}
 541			}
 542		}
 543	}
 544
 545	private void replaceContactInConversation(Account account, String jid,
 546			Contact contact) {
 547		List<Conversation> conversations = getConversations();
 548		for (Conversation c : conversations) {
 549			if (c.getContactJid().equals(jid) && (c.getAccount() == account)) {
 550				c.setContact(contact);
 551				break;
 552			}
 553		}
 554	}
 555
 556	public class XmppConnectionBinder extends Binder {
 557		public XmppConnectionService getService() {
 558			return XmppConnectionService.this;
 559		}
 560	}
 561
 562	@Override
 563	public int onStartCommand(Intent intent, int flags, int startId) {
 564		this.wakeLock.acquire();
 565		// Log.d(LOGTAG,"calling start service. caller was:"+intent.getAction());
 566		ConnectivityManager cm = (ConnectivityManager) getApplicationContext()
 567				.getSystemService(Context.CONNECTIVITY_SERVICE);
 568		NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
 569		boolean isConnected = activeNetwork != null
 570				&& activeNetwork.isConnected();
 571
 572		for (Account account : accounts) {
 573			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 574				if (!isConnected) {
 575					account.setStatus(Account.STATUS_NO_INTERNET);
 576					if (statusListener != null) {
 577						statusListener.onStatusChanged(account);
 578					}
 579				} else {
 580					if (account.getStatus() == Account.STATUS_NO_INTERNET) {
 581						account.setStatus(Account.STATUS_OFFLINE);
 582						if (statusListener != null) {
 583							statusListener.onStatusChanged(account);
 584						}
 585					}
 586					if (account.getStatus() == Account.STATUS_ONLINE) {
 587						long lastReceived = account.getXmppConnection().lastPaketReceived;
 588						long lastSent = account.getXmppConnection().lastPingSent;
 589						if (lastSent - lastReceived >= PING_TIMEOUT * 1000) {
 590							Log.d(LOGTAG, account.getJid() + ": ping timeout");
 591							this.reconnectAccount(account, true);
 592						} else if (SystemClock.elapsedRealtime() - lastReceived >= PING_MIN_INTERVAL * 1000) {
 593							account.getXmppConnection().sendPing();
 594							account.getXmppConnection().lastPingSent = SystemClock
 595									.elapsedRealtime();
 596							this.scheduleWakeupCall(2, false);
 597						}
 598					} else if (account.getStatus() == Account.STATUS_OFFLINE) {
 599						if (account.getXmppConnection() == null) {
 600							account.setXmppConnection(this
 601									.createConnection(account));
 602						}
 603						account.getXmppConnection().lastPingSent = SystemClock
 604								.elapsedRealtime();
 605						new Thread(account.getXmppConnection()).start();
 606					} else if ((account.getStatus() == Account.STATUS_CONNECTING)
 607							&& ((SystemClock.elapsedRealtime() - account
 608									.getXmppConnection().lastConnect) / 1000 >= CONNECT_TIMEOUT)) {
 609						Log.d(LOGTAG, account.getJid()
 610								+ ": time out during connect reconnecting");
 611						reconnectAccount(account, true);
 612					} else {
 613						if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 614							reconnectAccount(account, true);
 615						}
 616					}
 617					// in any case. reschedule wakup call
 618					this.scheduleWakeupCall(PING_MAX_INTERVAL, true);
 619				}
 620				if (accountChangedListener != null) {
 621					accountChangedListener.onAccountListChangedListener();
 622				}
 623			}
 624		}
 625		if (wakeLock.isHeld()) {
 626			wakeLock.release();
 627		}
 628		return START_STICKY;
 629	}
 630
 631	@Override
 632	public void onCreate() {
 633		ExceptionHelper.init(getApplicationContext());
 634		this.databaseBackend = DatabaseBackend
 635				.getInstance(getApplicationContext());
 636		this.fileBackend = new FileBackend(getApplicationContext());
 637		this.accounts = databaseBackend.getAccounts();
 638
 639		this.getConversations();
 640
 641		getContentResolver().registerContentObserver(
 642				ContactsContract.Contacts.CONTENT_URI, true, contactObserver);
 643		this.pgpServiceConnection = new OpenPgpServiceConnection(
 644				getApplicationContext(), "org.sufficientlysecure.keychain");
 645		this.pgpServiceConnection.bindToService();
 646
 647		this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 648		this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
 649				"XmppConnectionService");
 650	}
 651
 652	@Override
 653	public void onDestroy() {
 654		Log.d(LOGTAG, "stopping service");
 655		super.onDestroy();
 656		for (Account account : accounts) {
 657			if (account.getXmppConnection() != null) {
 658				disconnect(account, true);
 659			}
 660		}
 661	}
 662
 663	protected void scheduleWakeupCall(int seconds, boolean ping) {
 664		long timeToWake = SystemClock.elapsedRealtime() + seconds * 1000;
 665		Context context = getApplicationContext();
 666		AlarmManager alarmManager = (AlarmManager) context
 667				.getSystemService(Context.ALARM_SERVICE);
 668
 669		if (ping) {
 670			if (this.pingIntent == null) {
 671				this.pingIntent = new Intent(context, EventReceiver.class);
 672				this.pingIntent.setAction("ping");
 673				this.pingIntent.putExtra("time", timeToWake);
 674				this.pendingPingIntent = PendingIntent.getBroadcast(context, 0,
 675						this.pingIntent, 0);
 676				alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,
 677						timeToWake, pendingPingIntent);
 678			} else {
 679				long scheduledTime = this.pingIntent.getLongExtra("time", 0);
 680				if (scheduledTime < SystemClock.elapsedRealtime()
 681						|| (scheduledTime > timeToWake)) {
 682					this.pingIntent.putExtra("time", timeToWake);
 683					alarmManager.cancel(this.pendingPingIntent);
 684					this.pendingPingIntent = PendingIntent.getBroadcast(
 685							context, 0, this.pingIntent, 0);
 686					alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP,
 687							timeToWake, pendingPingIntent);
 688				}
 689			}
 690		} else {
 691			Intent intent = new Intent(context, EventReceiver.class);
 692			intent.setAction("ping_check");
 693			PendingIntent alarmIntent = PendingIntent.getBroadcast(context, 0,
 694					intent, 0);
 695			alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake,
 696					alarmIntent);
 697		}
 698
 699	}
 700
 701	public XmppConnection createConnection(Account account) {
 702		SharedPreferences sharedPref = getPreferences();
 703		account.setResource(sharedPref.getString("resource", "mobile")
 704				.toLowerCase(Locale.getDefault()));
 705		XmppConnection connection = new XmppConnection(account, this.pm);
 706		connection.setOnMessagePacketReceivedListener(this.messageListener);
 707		connection.setOnStatusChangedListener(this.statusListener);
 708		connection.setOnPresencePacketReceivedListener(this.presenceListener);
 709		connection
 710				.setOnUnregisteredIqPacketReceivedListener(this.unknownIqListener);
 711		connection.setOnJinglePacketReceivedListener(this.jingleListener);
 712		connection
 713				.setOnTLSExceptionReceivedListener(new OnTLSExceptionReceived() {
 714
 715					@Override
 716					public void onTLSExceptionReceived(String fingerprint,
 717							Account account) {
 718						Log.d(LOGTAG, "tls exception arrived in service");
 719						if (tlsException != null) {
 720							tlsException.onTLSExceptionReceived(fingerprint,
 721									account);
 722						}
 723					}
 724				});
 725		connection.setOnBindListener(new OnBindListener() {
 726
 727			@Override
 728			public void onBind(Account account) {
 729				databaseBackend.clearPresences(account);
 730				account.clearPresences(); // self presences
 731				if (account.getXmppConnection().hasFeatureRosterManagment()) {
 732					updateRoster(account, null);
 733				}
 734				connectMultiModeConversations(account);
 735				if (convChangedListener != null) {
 736					convChangedListener.onConversationListChanged();
 737				}
 738			}
 739		});
 740		return connection;
 741	}
 742
 743	synchronized public void sendMessage(Message message, String presence) {
 744		Account account = message.getConversation().getAccount();
 745		Conversation conv = message.getConversation();
 746		MessagePacket packet = null;
 747		boolean saveInDb = false;
 748		boolean addToConversation = false;
 749		boolean send = false;
 750		if (account.getStatus() == Account.STATUS_ONLINE) {
 751			if (message.getType() == Message.TYPE_IMAGE) {
 752				mJingleConnectionManager.createNewConnection(message);
 753			} else {
 754				if (message.getEncryption() == Message.ENCRYPTION_OTR) {
 755					if (!conv.hasValidOtrSession()) {
 756						// starting otr session. messages will be send later
 757						conv.startOtrSession(getApplicationContext(), presence,
 758								true);
 759					} else if (conv.getOtrSession().getSessionStatus() == SessionStatus.ENCRYPTED) {
 760						// otr session aleary exists, creating message packet
 761						// accordingly
 762						packet = prepareMessagePacket(account, message,
 763								conv.getOtrSession());
 764						send = true;
 765						message.setStatus(Message.STATUS_SEND);
 766					}
 767					saveInDb = true;
 768					addToConversation = true;
 769				} else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 770					message.getConversation().endOtrIfNeeded();
 771					packet = prepareMessagePacket(account, message, null);
 772					packet.setBody("This is an XEP-0027 encryted message");
 773					packet.addChild("x", "jabber:x:encrypted").setContent(
 774							message.getEncryptedBody());
 775					message.setStatus(Message.STATUS_SEND);
 776					message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 777					saveInDb = true;
 778					addToConversation = true;
 779					send = true;
 780				} else {
 781					message.getConversation().endOtrIfNeeded();
 782					// don't encrypt
 783					if (message.getConversation().getMode() == Conversation.MODE_SINGLE) {
 784						message.setStatus(Message.STATUS_SEND);
 785					}
 786					packet = prepareMessagePacket(account, message, null);
 787					send = true;
 788					saveInDb = true;
 789					addToConversation = true;
 790				}
 791			}
 792		} else {
 793			if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 794				String pgpBody = message.getEncryptedBody();
 795				String decryptedBody = message.getBody();
 796				message.setBody(pgpBody);
 797				databaseBackend.createMessage(message);
 798				message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 799				message.setBody(decryptedBody);
 800				addToConversation = true;
 801			} else {
 802				saveInDb = true;
 803				addToConversation = true;
 804			}
 805
 806		}
 807		if (saveInDb) {
 808			databaseBackend.createMessage(message);
 809		}
 810		if (addToConversation) {
 811			conv.getMessages().add(message);
 812			if (convChangedListener != null) {
 813				convChangedListener.onConversationListChanged();
 814			}
 815		}
 816		if ((send) && (packet != null)) {
 817			account.getXmppConnection().sendMessagePacket(packet);
 818		}
 819
 820	}
 821
 822	private void sendUnsendMessages(Conversation conversation) {
 823		for (int i = 0; i < conversation.getMessages().size(); ++i) {
 824			if (conversation.getMessages().get(i).getStatus() == Message.STATUS_UNSEND) {
 825				resendMessage(conversation.getMessages().get(i));
 826			}
 827		}
 828	}
 829
 830	private void resendMessage(Message message) {
 831		Account account = message.getConversation().getAccount();
 832		MessagePacket packet = null;
 833		if (message.getEncryption() == Message.ENCRYPTION_NONE) {
 834			packet = prepareMessagePacket(account, message, null);
 835		} else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 836			packet = prepareMessagePacket(account, message, null);
 837			packet.setBody("This is an XEP-0027 encryted message");
 838			if (message.getEncryptedBody() == null) {
 839				markMessage(message, Message.STATUS_SEND_FAILED);
 840				return;
 841			}
 842			packet.addChild("x", "jabber:x:encrypted").setContent(
 843					message.getEncryptedBody());
 844		} else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 845			packet = prepareMessagePacket(account, message, null);
 846			packet.setBody("This is an XEP-0027 encryted message");
 847			packet.addChild("x", "jabber:x:encrypted").setContent(
 848					message.getBody());
 849		}
 850		if (packet != null) {
 851			account.getXmppConnection().sendMessagePacket(packet);
 852			markMessage(message, Message.STATUS_SEND);
 853		}
 854	}
 855
 856	public MessagePacket prepareMessagePacket(Account account, Message message,
 857			Session otrSession) {
 858		MessagePacket packet = new MessagePacket();
 859		if (message.getConversation().getMode() == Conversation.MODE_SINGLE) {
 860			packet.setType(MessagePacket.TYPE_CHAT);
 861			if (otrSession != null) {
 862				try {
 863					packet.setBody(otrSession.transformSending(message
 864							.getBody()));
 865				} catch (OtrException e) {
 866					Log.d(LOGTAG,
 867							account.getJid()
 868									+ ": could not encrypt message to "
 869									+ message.getCounterpart());
 870				}
 871				packet.addChild("private", "urn:xmpp:carbons:2");
 872				packet.addChild("no-copy", "urn:xmpp:hints");
 873				packet.setTo(otrSession.getSessionID().getAccountID() + "/"
 874						+ otrSession.getSessionID().getUserID());
 875				packet.setFrom(account.getFullJid());
 876			} else {
 877				packet.setBody(message.getBody());
 878				packet.setTo(message.getCounterpart());
 879				packet.setFrom(account.getJid());
 880			}
 881		} else if (message.getConversation().getMode() == Conversation.MODE_MULTI) {
 882			packet.setType(MessagePacket.TYPE_GROUPCHAT);
 883			packet.setBody(message.getBody());
 884			packet.setTo(message.getCounterpart().split("/")[0]);
 885			packet.setFrom(account.getJid());
 886		}
 887		packet.setId(message.getUuid());
 888		return packet;
 889	}
 890
 891	private void getRoster(Account account,
 892			final OnRosterFetchedListener listener) {
 893		List<Contact> contacts = databaseBackend.getContactsByAccount(account);
 894		for (int i = 0; i < contacts.size(); ++i) {
 895			contacts.get(i).setAccount(account);
 896		}
 897		if (listener != null) {
 898			listener.onRosterFetched(contacts);
 899		}
 900	}
 901
 902	public List<Contact> getRoster(Account account) {
 903		List<Contact> contacts = databaseBackend.getContactsByAccount(account);
 904		for (int i = 0; i < contacts.size(); ++i) {
 905			contacts.get(i).setAccount(account);
 906		}
 907		return contacts;
 908	}
 909
 910	public void updateRoster(final Account account,
 911			final OnRosterFetchedListener listener) {
 912		IqPacket iqPacket = new IqPacket(IqPacket.TYPE_GET);
 913		if (!"".equals(account.getRosterVersion())) {
 914			Log.d(LOGTAG, account.getJid() + ": fetching roster version "
 915					+ account.getRosterVersion());
 916		} else {
 917			Log.d(LOGTAG, account.getJid() + ": fetching roster");
 918		}
 919		iqPacket.query("jabber:iq:roster").setAttribute("ver",
 920				account.getRosterVersion());
 921		account.getXmppConnection().sendIqPacket(iqPacket,
 922				new OnIqPacketReceived() {
 923
 924					@Override
 925					public void onIqPacketReceived(final Account account,
 926							IqPacket packet) {
 927						Element roster = packet.findChild("query");
 928						if (roster != null) {
 929							Log.d(LOGTAG, account.getJid()
 930									+ ": processing roster");
 931							processRosterItems(account, roster);
 932							StringBuilder mWhere = new StringBuilder();
 933							mWhere.append("jid NOT IN(");
 934							List<Element> items = roster.getChildren();
 935							for (int i = 0; i < items.size(); ++i) {
 936								mWhere.append(DatabaseUtils
 937										.sqlEscapeString(items.get(i)
 938												.getAttribute("jid")));
 939								if (i != items.size() - 1) {
 940									mWhere.append(",");
 941								}
 942							}
 943							mWhere.append(") and accountUuid = \"");
 944							mWhere.append(account.getUuid());
 945							mWhere.append("\"");
 946							List<Contact> contactsToDelete = databaseBackend
 947									.getContacts(mWhere.toString());
 948							for (Contact contact : contactsToDelete) {
 949								databaseBackend.deleteContact(contact);
 950								replaceContactInConversation(account,
 951										contact.getJid(), null);
 952							}
 953
 954						} else {
 955							Log.d(LOGTAG, account.getJid()
 956									+ ": empty roster returend");
 957						}
 958						mergePhoneContactsWithRoster(new OnPhoneContactsMerged() {
 959
 960							@Override
 961							public void phoneContactsMerged() {
 962								if (listener != null) {
 963									getRoster(account, listener);
 964								}
 965							}
 966						});
 967					}
 968				});
 969	}
 970
 971	public void mergePhoneContactsWithRoster(
 972			final OnPhoneContactsMerged listener) {
 973		PhoneHelper.loadPhoneContacts(getApplicationContext(),
 974				new OnPhoneContactsLoadedListener() {
 975					@Override
 976					public void onPhoneContactsLoaded(
 977							Hashtable<String, Bundle> phoneContacts) {
 978						List<Contact> contacts = databaseBackend
 979								.getContactsByAccount(null);
 980						for (int i = 0; i < contacts.size(); ++i) {
 981							Contact contact = contacts.get(i);
 982							if (phoneContacts.containsKey(contact.getJid())) {
 983								Bundle phoneContact = phoneContacts.get(contact
 984										.getJid());
 985								String systemAccount = phoneContact
 986										.getInt("phoneid")
 987										+ "#"
 988										+ phoneContact.getString("lookup");
 989								contact.setSystemAccount(systemAccount);
 990								contact.setPhotoUri(phoneContact
 991										.getString("photouri"));
 992								contact.setDisplayName(phoneContact
 993										.getString("displayname"));
 994								databaseBackend.updateContact(contact, false);
 995								replaceContactInConversation(
 996										contact.getAccount(), contact.getJid(),
 997										contact);
 998							} else {
 999								if ((contact.getSystemAccount() != null)
1000										|| (contact.getProfilePhoto() != null)) {
1001									contact.setSystemAccount(null);
1002									contact.setPhotoUri(null);
1003									databaseBackend.updateContact(contact,
1004											false);
1005									replaceContactInConversation(
1006											contact.getAccount(),
1007											contact.getJid(), contact);
1008								}
1009							}
1010						}
1011						if (listener != null) {
1012							listener.phoneContactsMerged();
1013						}
1014					}
1015				});
1016	}
1017
1018	public List<Conversation> getConversations() {
1019		if (this.conversations == null) {
1020			Hashtable<String, Account> accountLookupTable = new Hashtable<String, Account>();
1021			for (Account account : this.accounts) {
1022				accountLookupTable.put(account.getUuid(), account);
1023			}
1024			this.conversations = databaseBackend
1025					.getConversations(Conversation.STATUS_AVAILABLE);
1026			for (Conversation conv : this.conversations) {
1027				Account account = accountLookupTable.get(conv.getAccountUuid());
1028				conv.setAccount(account);
1029				conv.setContact(findContact(account, conv.getContactJid()));
1030				conv.setMessages(databaseBackend.getMessages(conv, 50));
1031			}
1032		}
1033		Collections.sort(this.conversations, new Comparator<Conversation>() {
1034			@Override
1035			public int compare(Conversation lhs, Conversation rhs) {
1036				return (int) (rhs.getLatestMessage().getTimeSent() - lhs
1037						.getLatestMessage().getTimeSent());
1038			}
1039		});
1040		return this.conversations;
1041	}
1042
1043	public List<Account> getAccounts() {
1044		return this.accounts;
1045	}
1046
1047	public Contact findContact(Account account, String jid) {
1048		Contact contact = databaseBackend.findContact(account, jid);
1049		if (contact != null) {
1050			contact.setAccount(account);
1051		}
1052		return contact;
1053	}
1054
1055	public Conversation findOrCreateConversation(Account account, String jid,
1056			boolean muc) {
1057		for (Conversation conv : this.getConversations()) {
1058			if ((conv.getAccount().equals(account))
1059					&& (conv.getContactJid().split("/")[0].equals(jid))) {
1060				return conv;
1061			}
1062		}
1063		Conversation conversation = databaseBackend.findConversation(account,
1064				jid);
1065		if (conversation != null) {
1066			conversation.setStatus(Conversation.STATUS_AVAILABLE);
1067			conversation.setAccount(account);
1068			if (muc) {
1069				conversation.setMode(Conversation.MODE_MULTI);
1070			} else {
1071				conversation.setMode(Conversation.MODE_SINGLE);
1072			}
1073			conversation.setMessages(databaseBackend.getMessages(conversation,
1074					50));
1075			this.databaseBackend.updateConversation(conversation);
1076			conversation.setContact(findContact(account,
1077					conversation.getContactJid()));
1078		} else {
1079			String conversationName;
1080			Contact contact = findContact(account, jid);
1081			if (contact != null) {
1082				conversationName = contact.getDisplayName();
1083			} else {
1084				conversationName = jid.split("@")[0];
1085			}
1086			if (muc) {
1087				conversation = new Conversation(conversationName, account, jid,
1088						Conversation.MODE_MULTI);
1089			} else {
1090				conversation = new Conversation(conversationName, account, jid,
1091						Conversation.MODE_SINGLE);
1092			}
1093			conversation.setContact(contact);
1094			this.databaseBackend.createConversation(conversation);
1095		}
1096		this.conversations.add(conversation);
1097		if ((account.getStatus() == Account.STATUS_ONLINE)
1098				&& (conversation.getMode() == Conversation.MODE_MULTI)) {
1099			joinMuc(conversation);
1100		}
1101		if (this.convChangedListener != null) {
1102			this.convChangedListener.onConversationListChanged();
1103		}
1104		return conversation;
1105	}
1106
1107	public void archiveConversation(Conversation conversation) {
1108		if (conversation.getMode() == Conversation.MODE_MULTI) {
1109			leaveMuc(conversation);
1110		} else {
1111			conversation.endOtrIfNeeded();
1112		}
1113		this.databaseBackend.updateConversation(conversation);
1114		this.conversations.remove(conversation);
1115		if (this.convChangedListener != null) {
1116			this.convChangedListener.onConversationListChanged();
1117		}
1118	}
1119
1120	public void clearConversationHistory(Conversation conversation) {
1121		this.databaseBackend.deleteMessagesInConversation(conversation);
1122		this.fileBackend.removeFiles(conversation);
1123		conversation.getMessages().clear();
1124		if (this.convChangedListener != null) {
1125			this.convChangedListener.onConversationListChanged();
1126		}
1127	}
1128
1129	public int getConversationCount() {
1130		return this.databaseBackend.getConversationCount();
1131	}
1132
1133	public void createAccount(Account account) {
1134		databaseBackend.createAccount(account);
1135		this.accounts.add(account);
1136		this.reconnectAccount(account, false);
1137		if (accountChangedListener != null)
1138			accountChangedListener.onAccountListChangedListener();
1139	}
1140
1141	public void deleteContact(Contact contact) {
1142		IqPacket iq = new IqPacket(IqPacket.TYPE_SET);
1143		Element query = iq.query("jabber:iq:roster");
1144		query.addChild("item").setAttribute("jid", contact.getJid())
1145				.setAttribute("subscription", "remove");
1146		contact.getAccount().getXmppConnection().sendIqPacket(iq, null);
1147		replaceContactInConversation(contact.getAccount(), contact.getJid(),
1148				null);
1149		databaseBackend.deleteContact(contact);
1150	}
1151
1152	public void updateAccount(Account account) {
1153		this.statusListener.onStatusChanged(account);
1154		databaseBackend.updateAccount(account);
1155		reconnectAccount(account, false);
1156		if (accountChangedListener != null) {
1157			accountChangedListener.onAccountListChangedListener();
1158		}
1159		UIHelper.showErrorNotification(getApplicationContext(), getAccounts());
1160	}
1161
1162	public void deleteAccount(Account account) {
1163		if (account.getXmppConnection() != null) {
1164			this.disconnect(account, true);
1165		}
1166		databaseBackend.deleteAccount(account);
1167		this.accounts.remove(account);
1168		if (accountChangedListener != null) {
1169			accountChangedListener.onAccountListChangedListener();
1170		}
1171		UIHelper.showErrorNotification(getApplicationContext(), getAccounts());
1172	}
1173
1174	public void setOnConversationListChangedListener(
1175			OnConversationListChangedListener listener) {
1176		this.convChangedListener = listener;
1177		this.convChangedListenerCount++;
1178	}
1179
1180	public void removeOnConversationListChangedListener() {
1181		this.convChangedListenerCount--;
1182		if (this.convChangedListenerCount == 0) {
1183			this.convChangedListener = null;
1184		}
1185	}
1186
1187	public void setOnAccountListChangedListener(
1188			OnAccountListChangedListener listener) {
1189		this.accountChangedListener = listener;
1190	}
1191
1192	public void removeOnAccountListChangedListener() {
1193		this.accountChangedListener = null;
1194	}
1195
1196	public void connectMultiModeConversations(Account account) {
1197		List<Conversation> conversations = getConversations();
1198		for (int i = 0; i < conversations.size(); i++) {
1199			Conversation conversation = conversations.get(i);
1200			if ((conversation.getMode() == Conversation.MODE_MULTI)
1201					&& (conversation.getAccount() == account)) {
1202				joinMuc(conversation);
1203			}
1204		}
1205	}
1206
1207	public void joinMuc(Conversation conversation) {
1208		String[] mucParts = conversation.getContactJid().split("/");
1209		String muc;
1210		String nick;
1211		if (mucParts.length == 2) {
1212			muc = mucParts[0];
1213			nick = mucParts[1];
1214		} else {
1215			muc = mucParts[0];
1216			nick = conversation.getAccount().getUsername();
1217		}
1218		PresencePacket packet = new PresencePacket();
1219		packet.setAttribute("to", muc + "/" + nick);
1220		Element x = new Element("x");
1221		x.setAttribute("xmlns", "http://jabber.org/protocol/muc");
1222		if (conversation.getMessages().size() != 0) {
1223			long lastMsgTime = conversation.getLatestMessage().getTimeSent();
1224			long diff = (System.currentTimeMillis() - lastMsgTime) / 1000 - 1;
1225			x.addChild("history").setAttribute("seconds", diff + "");
1226		}
1227		packet.addChild(x);
1228		conversation.getAccount().getXmppConnection()
1229				.sendPresencePacket(packet);
1230	}
1231
1232	private OnRenameListener renameListener = null;
1233
1234	public void setOnRenameListener(OnRenameListener listener) {
1235		this.renameListener = listener;
1236	}
1237
1238	public void renameInMuc(final Conversation conversation, final String nick) {
1239		final MucOptions options = conversation.getMucOptions();
1240		if (options.online()) {
1241			options.setOnRenameListener(new OnRenameListener() {
1242
1243				@Override
1244				public void onRename(boolean success) {
1245					if (renameListener != null) {
1246						renameListener.onRename(success);
1247					}
1248					if (success) {
1249						String jid = conversation.getContactJid().split("/")[0]
1250								+ "/" + nick;
1251						conversation.setContactJid(jid);
1252						databaseBackend.updateConversation(conversation);
1253					}
1254				}
1255			});
1256			options.flagAboutToRename();
1257			PresencePacket packet = new PresencePacket();
1258			packet.setAttribute("to",
1259					conversation.getContactJid().split("/")[0] + "/" + nick);
1260			packet.setAttribute("from", conversation.getAccount().getFullJid());
1261
1262			conversation.getAccount().getXmppConnection()
1263					.sendPresencePacket(packet, null);
1264		} else {
1265			String jid = conversation.getContactJid().split("/")[0] + "/"
1266					+ nick;
1267			conversation.setContactJid(jid);
1268			databaseBackend.updateConversation(conversation);
1269			if (conversation.getAccount().getStatus() == Account.STATUS_ONLINE) {
1270				joinMuc(conversation);
1271			}
1272		}
1273	}
1274
1275	public void leaveMuc(Conversation conversation) {
1276		PresencePacket packet = new PresencePacket();
1277		packet.setAttribute("to", conversation.getContactJid().split("/")[0]
1278				+ "/" + conversation.getMucOptions().getNick());
1279		packet.setAttribute("from", conversation.getAccount().getFullJid());
1280		packet.setAttribute("type", "unavailable");
1281		Log.d(LOGTAG, "send leaving muc " + packet);
1282		conversation.getAccount().getXmppConnection()
1283				.sendPresencePacket(packet);
1284		conversation.getMucOptions().setOffline();
1285	}
1286
1287	public void disconnect(Account account, boolean force) {
1288		if ((account.getStatus() == Account.STATUS_ONLINE)
1289				|| (account.getStatus() == Account.STATUS_DISABLED)) {
1290			if (!force) {
1291				List<Conversation> conversations = getConversations();
1292				for (int i = 0; i < conversations.size(); i++) {
1293					Conversation conversation = conversations.get(i);
1294					if (conversation.getAccount() == account) {
1295						if (conversation.getMode() == Conversation.MODE_MULTI) {
1296							leaveMuc(conversation);
1297						} else {
1298							conversation.endOtrIfNeeded();
1299						}
1300					}
1301				}
1302			}
1303			account.getXmppConnection().disconnect(force);
1304		}
1305	}
1306
1307	@Override
1308	public IBinder onBind(Intent intent) {
1309		return mBinder;
1310	}
1311
1312	public void updateContact(Contact contact) {
1313		databaseBackend.updateContact(contact, false);
1314		replaceContactInConversation(contact.getAccount(), contact.getJid(),
1315				contact);
1316	}
1317
1318	public void updateMessage(Message message) {
1319		databaseBackend.updateMessage(message);
1320	}
1321
1322	public void createContact(Contact contact) {
1323		SharedPreferences sharedPref = getPreferences();
1324		boolean autoGrant = sharedPref.getBoolean("grant_new_contacts", true);
1325		if (autoGrant) {
1326			contact.setSubscriptionOption(Contact.Subscription.PREEMPTIVE_GRANT);
1327			contact.setSubscriptionOption(Contact.Subscription.ASKING);
1328		}
1329		databaseBackend.createContact(contact);
1330		IqPacket iq = new IqPacket(IqPacket.TYPE_SET);
1331		Element query = new Element("query");
1332		query.setAttribute("xmlns", "jabber:iq:roster");
1333		Element item = new Element("item");
1334		item.setAttribute("jid", contact.getJid());
1335		item.setAttribute("name", contact.getJid());
1336		query.addChild(item);
1337		iq.addChild(query);
1338		Account account = contact.getAccount();
1339		account.getXmppConnection().sendIqPacket(iq, null);
1340		if (autoGrant) {
1341			requestPresenceUpdatesFrom(contact);
1342			if (account.getXmppConnection().hasPendingSubscription(
1343					contact.getJid())) {
1344				Log.d("xmppService", "contact had pending subscription");
1345				sendPresenceUpdatesTo(contact);
1346			}
1347		}
1348		replaceContactInConversation(contact.getAccount(), contact.getJid(),
1349				contact);
1350	}
1351
1352	public void requestPresenceUpdatesFrom(Contact contact) {
1353		// Requesting a Subscription type=subscribe
1354		PresencePacket packet = new PresencePacket();
1355		packet.setAttribute("type", "subscribe");
1356		packet.setAttribute("to", contact.getJid());
1357		packet.setAttribute("from", contact.getAccount().getJid());
1358		Log.d(LOGTAG, packet.toString());
1359		contact.getAccount().getXmppConnection().sendPresencePacket(packet);
1360	}
1361
1362	public void stopPresenceUpdatesFrom(Contact contact) {
1363		// Unsubscribing type='unsubscribe'
1364		PresencePacket packet = new PresencePacket();
1365		packet.setAttribute("type", "unsubscribe");
1366		packet.setAttribute("to", contact.getJid());
1367		packet.setAttribute("from", contact.getAccount().getJid());
1368		Log.d(LOGTAG, packet.toString());
1369		contact.getAccount().getXmppConnection().sendPresencePacket(packet);
1370	}
1371
1372	public void stopPresenceUpdatesTo(Contact contact) {
1373		// Canceling a Subscription type=unsubscribed
1374		PresencePacket packet = new PresencePacket();
1375		packet.setAttribute("type", "unsubscribed");
1376		packet.setAttribute("to", contact.getJid());
1377		packet.setAttribute("from", contact.getAccount().getJid());
1378		Log.d(LOGTAG, packet.toString());
1379		contact.getAccount().getXmppConnection().sendPresencePacket(packet);
1380	}
1381
1382	public void sendPresenceUpdatesTo(Contact contact) {
1383		// type='subscribed'
1384		PresencePacket packet = new PresencePacket();
1385		packet.setAttribute("type", "subscribed");
1386		packet.setAttribute("to", contact.getJid());
1387		packet.setAttribute("from", contact.getAccount().getJid());
1388		Log.d(LOGTAG, packet.toString());
1389		contact.getAccount().getXmppConnection().sendPresencePacket(packet);
1390	}
1391
1392	public void sendPgpPresence(Account account, String signature) {
1393		PresencePacket packet = new PresencePacket();
1394		packet.setAttribute("from", account.getFullJid());
1395		Element status = new Element("status");
1396		status.setContent("online");
1397		packet.addChild(status);
1398		Element x = new Element("x");
1399		x.setAttribute("xmlns", "jabber:x:signed");
1400		x.setContent(signature);
1401		packet.addChild(x);
1402		account.getXmppConnection().sendPresencePacket(packet);
1403	}
1404
1405	public void updateConversation(Conversation conversation) {
1406		this.databaseBackend.updateConversation(conversation);
1407	}
1408
1409	public Contact findContact(String uuid) {
1410		Contact contact = this.databaseBackend.getContact(uuid);
1411		if (contact != null) {
1412			for (Account account : getAccounts()) {
1413				if (contact.getAccountUuid().equals(account.getUuid())) {
1414					contact.setAccount(account);
1415				}
1416			}
1417		}
1418		return contact;
1419	}
1420
1421	public void removeOnTLSExceptionReceivedListener() {
1422		this.tlsException = null;
1423	}
1424
1425	// TODO dont let thread sleep but schedule wake up
1426	public void reconnectAccount(final Account account, final boolean force) {
1427		new Thread(new Runnable() {
1428
1429			@Override
1430			public void run() {
1431				if (account.getXmppConnection() != null) {
1432					disconnect(account, force);
1433				}
1434				if (!account.isOptionSet(Account.OPTION_DISABLED)) {
1435					if (account.getXmppConnection() == null) {
1436						account.setXmppConnection(createConnection(account));
1437					}
1438					Thread thread = new Thread(account.getXmppConnection());
1439					thread.start();
1440					scheduleWakeupCall((int) (CONNECT_TIMEOUT * 1.2), false);
1441				}
1442			}
1443		}).start();
1444	}
1445
1446	public void sendConversationSubject(Conversation conversation,
1447			String subject) {
1448		MessagePacket packet = new MessagePacket();
1449		packet.setType(MessagePacket.TYPE_GROUPCHAT);
1450		packet.setTo(conversation.getContactJid().split("/")[0]);
1451		Element subjectChild = new Element("subject");
1452		subjectChild.setContent(subject);
1453		packet.addChild(subjectChild);
1454		packet.setFrom(conversation.getAccount().getJid());
1455		Account account = conversation.getAccount();
1456		if (account.getStatus() == Account.STATUS_ONLINE) {
1457			account.getXmppConnection().sendMessagePacket(packet);
1458		}
1459	}
1460
1461	public void inviteToConference(Conversation conversation,
1462			List<Contact> contacts) {
1463		for (Contact contact : contacts) {
1464			MessagePacket packet = new MessagePacket();
1465			packet.setTo(conversation.getContactJid().split("/")[0]);
1466			packet.setFrom(conversation.getAccount().getFullJid());
1467			Element x = new Element("x");
1468			x.setAttribute("xmlns", "http://jabber.org/protocol/muc#user");
1469			Element invite = new Element("invite");
1470			invite.setAttribute("to", contact.getJid());
1471			x.addChild(invite);
1472			packet.addChild(x);
1473			Log.d(LOGTAG, packet.toString());
1474			conversation.getAccount().getXmppConnection()
1475					.sendMessagePacket(packet);
1476		}
1477
1478	}
1479
1480	public boolean markMessage(Account account, String recipient, String uuid,
1481			int status) {
1482		for (Conversation conversation : getConversations()) {
1483			if (conversation.getContactJid().equals(recipient)
1484					&& conversation.getAccount().equals(account)) {
1485				return markMessage(conversation, uuid, status);
1486			}
1487		}
1488		return false;
1489	}
1490
1491	public boolean markMessage(Conversation conversation, String uuid,
1492			int status) {
1493		for (Message message : conversation.getMessages()) {
1494			if (message.getUuid().equals(uuid)) {
1495				markMessage(message, status);
1496				return true;
1497			}
1498		}
1499		return false;
1500	}
1501
1502	public void markMessage(Message message, int status) {
1503		message.setStatus(status);
1504		databaseBackend.updateMessage(message);
1505		if (convChangedListener != null) {
1506			convChangedListener.onConversationListChanged();
1507		}
1508	}
1509
1510	public SharedPreferences getPreferences() {
1511		return PreferenceManager
1512				.getDefaultSharedPreferences(getApplicationContext());
1513	}
1514
1515	public void updateUi(Conversation conversation, boolean notify) {
1516		if (convChangedListener != null) {
1517			convChangedListener.onConversationListChanged();
1518		} else {
1519			UIHelper.updateNotification(getApplicationContext(),
1520					getConversations(), conversation, notify);
1521		}
1522	}
1523}