XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import android.annotation.SuppressLint;
   4import android.app.AlarmManager;
   5import android.app.PendingIntent;
   6import android.app.Service;
   7import android.content.Context;
   8import android.content.Intent;
   9import android.content.IntentFilter;
  10import android.content.SharedPreferences;
  11import android.database.ContentObserver;
  12import android.graphics.Bitmap;
  13import android.media.AudioManager;
  14import android.net.ConnectivityManager;
  15import android.net.NetworkInfo;
  16import android.net.Uri;
  17import android.os.Binder;
  18import android.os.Build;
  19import android.os.Bundle;
  20import android.os.FileObserver;
  21import android.os.IBinder;
  22import android.os.Looper;
  23import android.os.PowerManager;
  24import android.os.PowerManager.WakeLock;
  25import android.os.SystemClock;
  26import android.preference.PreferenceManager;
  27import android.provider.ContactsContract;
  28import android.security.KeyChain;
  29import android.util.DisplayMetrics;
  30import android.util.Log;
  31import android.util.LruCache;
  32import android.util.Pair;
  33
  34import net.java.otr4j.OtrException;
  35import net.java.otr4j.session.Session;
  36import net.java.otr4j.session.SessionID;
  37import net.java.otr4j.session.SessionImpl;
  38import net.java.otr4j.session.SessionStatus;
  39
  40import org.openintents.openpgp.IOpenPgpService2;
  41import org.openintents.openpgp.util.OpenPgpApi;
  42import org.openintents.openpgp.util.OpenPgpServiceConnection;
  43
  44import java.math.BigInteger;
  45import java.security.SecureRandom;
  46import java.security.cert.CertificateException;
  47import java.security.cert.X509Certificate;
  48import java.util.ArrayList;
  49import java.util.Arrays;
  50import java.util.Collection;
  51import java.util.Collections;
  52import java.util.Comparator;
  53import java.util.Hashtable;
  54import java.util.Iterator;
  55import java.util.List;
  56import java.util.Locale;
  57import java.util.Map;
  58import java.util.concurrent.CopyOnWriteArrayList;
  59
  60import de.duenndns.ssl.MemorizingTrustManager;
  61import eu.siacs.conversations.Config;
  62import eu.siacs.conversations.R;
  63import eu.siacs.conversations.crypto.PgpEngine;
  64import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  65import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  66import eu.siacs.conversations.entities.Account;
  67import eu.siacs.conversations.entities.Blockable;
  68import eu.siacs.conversations.entities.Bookmark;
  69import eu.siacs.conversations.entities.Contact;
  70import eu.siacs.conversations.entities.Conversation;
  71import eu.siacs.conversations.entities.Message;
  72import eu.siacs.conversations.entities.MucOptions;
  73import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  74import eu.siacs.conversations.entities.Presences;
  75import eu.siacs.conversations.entities.Transferable;
  76import eu.siacs.conversations.entities.TransferablePlaceholder;
  77import eu.siacs.conversations.generator.IqGenerator;
  78import eu.siacs.conversations.generator.MessageGenerator;
  79import eu.siacs.conversations.generator.PresenceGenerator;
  80import eu.siacs.conversations.http.HttpConnectionManager;
  81import eu.siacs.conversations.parser.IqParser;
  82import eu.siacs.conversations.parser.MessageParser;
  83import eu.siacs.conversations.parser.PresenceParser;
  84import eu.siacs.conversations.persistance.DatabaseBackend;
  85import eu.siacs.conversations.persistance.FileBackend;
  86import eu.siacs.conversations.ui.UiCallback;
  87import eu.siacs.conversations.utils.CryptoHelper;
  88import eu.siacs.conversations.utils.ExceptionHelper;
  89import eu.siacs.conversations.utils.OnPhoneContactsLoadedListener;
  90import eu.siacs.conversations.utils.PRNGFixes;
  91import eu.siacs.conversations.utils.PhoneHelper;
  92import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
  93import eu.siacs.conversations.utils.Xmlns;
  94import eu.siacs.conversations.xml.Element;
  95import eu.siacs.conversations.xmpp.OnBindListener;
  96import eu.siacs.conversations.xmpp.OnContactStatusChanged;
  97import eu.siacs.conversations.xmpp.OnIqPacketReceived;
  98import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
  99import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 100import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 101import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 102import eu.siacs.conversations.xmpp.OnStatusChanged;
 103import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 104import eu.siacs.conversations.xmpp.XmppConnection;
 105import eu.siacs.conversations.xmpp.chatstate.ChatState;
 106import eu.siacs.conversations.xmpp.forms.Data;
 107import eu.siacs.conversations.xmpp.forms.Field;
 108import eu.siacs.conversations.xmpp.jid.InvalidJidException;
 109import eu.siacs.conversations.xmpp.jid.Jid;
 110import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 111import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 112import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 113import eu.siacs.conversations.xmpp.pep.Avatar;
 114import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 115import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 116import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 117import me.leolin.shortcutbadger.ShortcutBadger;
 118
 119public class XmppConnectionService extends Service implements OnPhoneContactsLoadedListener {
 120
 121	public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 122	public static final String ACTION_DISABLE_FOREGROUND = "disable_foreground";
 123	public static final String ACTION_TRY_AGAIN = "try_again";
 124	public static final String ACTION_DISABLE_ACCOUNT = "disable_account";
 125	private static final String ACTION_MERGE_PHONE_CONTACTS = "merge_phone_contacts";
 126	private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor();
 127	private final SerialSingleThreadExecutor mDatabaseExecutor = new SerialSingleThreadExecutor();
 128	private final IBinder mBinder = new XmppConnectionBinder();
 129	private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 130	private final IqGenerator mIqGenerator = new IqGenerator(this);
 131	private final List<String> mInProgressAvatarFetches = new ArrayList<>();
 132	public DatabaseBackend databaseBackend;
 133	private ContentObserver contactObserver = new ContentObserver(null) {
 134		@Override
 135		public void onChange(boolean selfChange) {
 136			super.onChange(selfChange);
 137			Intent intent = new Intent(getApplicationContext(),
 138					XmppConnectionService.class);
 139			intent.setAction(ACTION_MERGE_PHONE_CONTACTS);
 140			startService(intent);
 141		}
 142	};
 143	private FileBackend fileBackend = new FileBackend(this);
 144	private MemorizingTrustManager mMemorizingTrustManager;
 145	private NotificationService mNotificationService = new NotificationService(
 146			this);
 147	private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 148	private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 149	private IqParser mIqParser = new IqParser(this);
 150	private OnIqPacketReceived mDefaultIqHandler = new OnIqPacketReceived() {
 151		@Override
 152		public void onIqPacketReceived(Account account, IqPacket packet) {
 153			if (packet.getType() != IqPacket.TYPE.RESULT) {
 154				Element error = packet.findChild("error");
 155				String text = error != null ? error.findChildContent("text") : null;
 156				if (text != null) {
 157					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": received iq error - " + text);
 158				}
 159			}
 160		}
 161	};
 162	private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 163	private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 164	private List<Account> accounts;
 165	private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 166			this);
 167	public OnContactStatusChanged onContactStatusChanged = new OnContactStatusChanged() {
 168
 169		@Override
 170		public void onContactStatusChanged(Contact contact, boolean online) {
 171			Conversation conversation = find(getConversations(), contact);
 172			if (conversation != null) {
 173				if (online) {
 174					conversation.endOtrIfNeeded();
 175					if (contact.getPresences().size() == 1) {
 176						sendUnsentMessages(conversation);
 177					}
 178				} else {
 179					if (contact.getPresences().size() >= 1) {
 180						if (conversation.hasValidOtrSession()) {
 181							String otrResource = conversation.getOtrSession().getSessionID().getUserID();
 182							if (!(Arrays.asList(contact.getPresences().asStringArray()).contains(otrResource))) {
 183								conversation.endOtrIfNeeded();
 184							}
 185						}
 186					} else {
 187						conversation.endOtrIfNeeded();
 188					}
 189				}
 190			}
 191		}
 192	};
 193	private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(
 194			this);
 195	private AvatarService mAvatarService = new AvatarService(this);
 196	private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 197	private OnConversationUpdate mOnConversationUpdate = null;
 198	private final FileObserver fileObserver = new FileObserver(
 199			FileBackend.getConversationsImageDirectory()) {
 200
 201		@Override
 202		public void onEvent(int event, String path) {
 203			if (event == FileObserver.DELETE) {
 204				markFileDeleted(path.split("\\.")[0]);
 205			}
 206		}
 207	};
 208	private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 209
 210		@Override
 211		public void onJinglePacketReceived(Account account, JinglePacket packet) {
 212			mJingleConnectionManager.deliverPacket(account, packet);
 213		}
 214	};
 215	private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 216
 217		@Override
 218		public void onMessageAcknowledged(Account account, String uuid) {
 219			for (final Conversation conversation : getConversations()) {
 220				if (conversation.getAccount() == account) {
 221					Message message = conversation.findUnsentMessageWithUuid(uuid);
 222					if (message != null) {
 223						markMessage(message, Message.STATUS_SEND);
 224						if (conversation.setLastMessageTransmitted(System.currentTimeMillis())) {
 225							databaseBackend.updateConversation(conversation);
 226						}
 227					}
 228				}
 229			}
 230		}
 231	};
 232	private int convChangedListenerCount = 0;
 233	private OnShowErrorToast mOnShowErrorToast = null;
 234	private int showErrorToastListenerCount = 0;
 235	private int unreadCount = -1;
 236	private OnAccountUpdate mOnAccountUpdate = null;
 237	private OnCaptchaRequested mOnCaptchaRequested = null;
 238	private int accountChangedListenerCount = 0;
 239	private int captchaRequestedListenerCount = 0;
 240	private OnRosterUpdate mOnRosterUpdate = null;
 241	private OnUpdateBlocklist mOnUpdateBlocklist = null;
 242	private int updateBlocklistListenerCount = 0;
 243	private int rosterChangedListenerCount = 0;
 244	private OnMucRosterUpdate mOnMucRosterUpdate = null;
 245	private int mucRosterChangedListenerCount = 0;
 246	private OnKeyStatusUpdated mOnKeyStatusUpdated = null;
 247	private int keyStatusUpdatedListenerCount = 0;
 248	private SecureRandom mRandom;
 249	private final OnBindListener mOnBindListener = new OnBindListener() {
 250
 251		@Override
 252		public void onBind(final Account account) {
 253			account.getRoster().clearPresences();
 254			fetchRosterFromServer(account);
 255			fetchBookmarks(account);
 256			sendPresence(account);
 257			connectMultiModeConversations(account);
 258			mMessageArchiveService.executePendingQueries(account);
 259			mJingleConnectionManager.cancelInTransmission();
 260			syncDirtyContacts(account);
 261		}
 262	};
 263	private OnStatusChanged statusListener = new OnStatusChanged() {
 264
 265		@Override
 266		public void onStatusChanged(Account account) {
 267			XmppConnection connection = account.getXmppConnection();
 268			if (mOnAccountUpdate != null) {
 269				mOnAccountUpdate.onAccountUpdate();
 270			}
 271			if (account.getStatus() == Account.State.ONLINE) {
 272				if (connection != null && connection.getFeatures().csi()) {
 273					if (checkListeners()) {
 274						Log.d(Config.LOGTAG, account.getJid().toBareJid() + " sending csi//inactive");
 275						connection.sendInactive();
 276					} else {
 277						Log.d(Config.LOGTAG, account.getJid().toBareJid() + " sending csi//active");
 278						connection.sendActive();
 279					}
 280				}
 281				List<Conversation> conversations = getConversations();
 282				for (Conversation conversation : conversations) {
 283					if (conversation.getAccount() == account) {
 284						conversation.startOtrIfNeeded();
 285						sendUnsentMessages(conversation);
 286					}
 287				}
 288				for (Conversation conversation : account.pendingConferenceLeaves) {
 289					leaveMuc(conversation);
 290				}
 291				account.pendingConferenceLeaves.clear();
 292				for (Conversation conversation : account.pendingConferenceJoins) {
 293					joinMuc(conversation);
 294				}
 295				account.pendingConferenceJoins.clear();
 296				scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 297			} else if (account.getStatus() == Account.State.OFFLINE) {
 298				resetSendingToWaiting(account);
 299				if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 300					int timeToReconnect = mRandom.nextInt(20) + 10;
 301					scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 302				}
 303			} else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 304				databaseBackend.updateAccount(account);
 305				reconnectAccount(account, true, false);
 306			} else if ((account.getStatus() != Account.State.CONNECTING)
 307					&& (account.getStatus() != Account.State.NO_INTERNET)) {
 308				if (connection != null) {
 309					int next = connection.getTimeToNextAttempt();
 310					Log.d(Config.LOGTAG, account.getJid().toBareJid()
 311							+ ": error connecting account. try again in "
 312							+ next + "s for the "
 313							+ (connection.getAttempt() + 1) + " time");
 314					scheduleWakeUpCall(next, account.getUuid().hashCode());
 315				}
 316			}
 317			getNotificationService().updateErrorNotification();
 318		}
 319	};
 320	private OpenPgpServiceConnection pgpServiceConnection;
 321	private PgpEngine mPgpEngine = null;
 322	private WakeLock wakeLock;
 323	private PowerManager pm;
 324	private LruCache<String, Bitmap> mBitmapCache;
 325	private Thread mPhoneContactMergerThread;
 326	private EventReceiver mEventReceiver = new EventReceiver();
 327
 328	private boolean mRestoredFromDatabase = false;
 329
 330	private static String generateFetchKey(Account account, final Avatar avatar) {
 331		return account.getJid().toBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 332	}
 333
 334	public boolean areMessagesInitialized() {
 335		return this.mRestoredFromDatabase;
 336	}
 337
 338	public PgpEngine getPgpEngine() {
 339		if (pgpServiceConnection.isBound()) {
 340			if (this.mPgpEngine == null) {
 341				this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 342						getApplicationContext(),
 343						pgpServiceConnection.getService()), this);
 344			}
 345			return mPgpEngine;
 346		} else {
 347			return null;
 348		}
 349
 350	}
 351
 352	public FileBackend getFileBackend() {
 353		return this.fileBackend;
 354	}
 355
 356	public AvatarService getAvatarService() {
 357		return this.mAvatarService;
 358	}
 359
 360	public void attachLocationToConversation(final Conversation conversation,
 361											 final Uri uri,
 362											 final UiCallback<Message> callback) {
 363		int encryption = conversation.getNextEncryption();
 364		if (encryption == Message.ENCRYPTION_PGP) {
 365			encryption = Message.ENCRYPTION_DECRYPTED;
 366		}
 367		Message message = new Message(conversation, uri.toString(), encryption);
 368		if (conversation.getNextCounterpart() != null) {
 369			message.setCounterpart(conversation.getNextCounterpart());
 370		}
 371		if (encryption == Message.ENCRYPTION_DECRYPTED) {
 372			getPgpEngine().encrypt(message, callback);
 373		} else {
 374			callback.success(message);
 375		}
 376	}
 377
 378	public void attachFileToConversation(final Conversation conversation,
 379										 final Uri uri,
 380										 final UiCallback<Message> callback) {
 381		final Message message;
 382		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 383			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 384		} else {
 385			message = new Message(conversation, "", conversation.getNextEncryption());
 386		}
 387		message.setCounterpart(conversation.getNextCounterpart());
 388		message.setType(Message.TYPE_FILE);
 389		String path = getFileBackend().getOriginalPath(uri);
 390		if (path != null) {
 391			message.setRelativeFilePath(path);
 392			getFileBackend().updateFileParams(message);
 393			if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 394				getPgpEngine().encrypt(message, callback);
 395			} else {
 396				callback.success(message);
 397			}
 398		} else {
 399			mFileAddingExecutor.execute(new Runnable() {
 400				@Override
 401				public void run() {
 402					try {
 403						getFileBackend().copyFileToPrivateStorage(message, uri);
 404						getFileBackend().updateFileParams(message);
 405						if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 406							getPgpEngine().encrypt(message, callback);
 407						} else {
 408							callback.success(message);
 409						}
 410					} catch (FileBackend.FileCopyException e) {
 411						callback.error(e.getResId(), message);
 412					}
 413				}
 414			});
 415		}
 416	}
 417
 418	public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 419		if (getFileBackend().useImageAsIs(uri)) {
 420			Log.d(Config.LOGTAG, "using image as is");
 421			attachFileToConversation(conversation, uri, callback);
 422			return;
 423		}
 424		final Message message;
 425		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 426			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 427		} else {
 428			message = new Message(conversation, "", conversation.getNextEncryption());
 429		}
 430		message.setCounterpart(conversation.getNextCounterpart());
 431		message.setType(Message.TYPE_IMAGE);
 432		mFileAddingExecutor.execute(new Runnable() {
 433
 434			@Override
 435			public void run() {
 436				try {
 437					getFileBackend().copyImageToPrivateStorage(message, uri);
 438					if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 439						getPgpEngine().encrypt(message, callback);
 440					} else {
 441						callback.success(message);
 442					}
 443				} catch (final FileBackend.FileCopyException e) {
 444					callback.error(e.getResId(), message);
 445				}
 446			}
 447		});
 448	}
 449
 450	public Conversation find(Bookmark bookmark) {
 451		return find(bookmark.getAccount(), bookmark.getJid());
 452	}
 453
 454	public Conversation find(final Account account, final Jid jid) {
 455		return find(getConversations(), account, jid);
 456	}
 457
 458	@Override
 459	public int onStartCommand(Intent intent, int flags, int startId) {
 460		final String action = intent == null ? null : intent.getAction();
 461		boolean interactive = false;
 462		if (action != null) {
 463			switch (action) {
 464				case ConnectivityManager.CONNECTIVITY_ACTION:
 465					if (hasInternetConnection() && Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 466						resetAllAttemptCounts(true);
 467					}
 468					break;
 469				case ACTION_MERGE_PHONE_CONTACTS:
 470					if (mRestoredFromDatabase) {
 471						PhoneHelper.loadPhoneContacts(getApplicationContext(),
 472								new CopyOnWriteArrayList<Bundle>(),
 473								this);
 474					}
 475					return START_STICKY;
 476				case Intent.ACTION_SHUTDOWN:
 477					logoutAndSave();
 478					return START_NOT_STICKY;
 479				case ACTION_CLEAR_NOTIFICATION:
 480					mNotificationService.clear();
 481					break;
 482				case ACTION_DISABLE_FOREGROUND:
 483					getPreferences().edit().putBoolean("keep_foreground_service", false).commit();
 484					toggleForegroundService();
 485					break;
 486				case ACTION_TRY_AGAIN:
 487					resetAllAttemptCounts(false);
 488					interactive = true;
 489					break;
 490				case ACTION_DISABLE_ACCOUNT:
 491					try {
 492						String jid = intent.getStringExtra("account");
 493						Account account = jid == null ? null : findAccountByJid(Jid.fromString(jid));
 494						if (account != null) {
 495							account.setOption(Account.OPTION_DISABLED, true);
 496							updateAccount(account);
 497						}
 498					} catch (final InvalidJidException ignored) {
 499						break;
 500					}
 501					break;
 502				case AudioManager.RINGER_MODE_CHANGED_ACTION:
 503					if (xaOnSilentMode()) {
 504						refreshAllPresences();
 505					}
 506					break;
 507				case Intent.ACTION_SCREEN_OFF:
 508				case Intent.ACTION_SCREEN_ON:
 509					if (awayWhenScreenOff()) {
 510						refreshAllPresences();
 511					}
 512					break;
 513			}
 514		}
 515		this.wakeLock.acquire();
 516
 517		for (Account account : accounts) {
 518			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 519				if (!hasInternetConnection()) {
 520					account.setStatus(Account.State.NO_INTERNET);
 521					if (statusListener != null) {
 522						statusListener.onStatusChanged(account);
 523					}
 524				} else {
 525					if (account.getStatus() == Account.State.NO_INTERNET) {
 526						account.setStatus(Account.State.OFFLINE);
 527						if (statusListener != null) {
 528							statusListener.onStatusChanged(account);
 529						}
 530					}
 531					if (account.getStatus() == Account.State.ONLINE) {
 532						long lastReceived = account.getXmppConnection().getLastPacketReceived();
 533						long lastSent = account.getXmppConnection().getLastPingSent();
 534						long pingInterval = "ui".equals(action) ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 535						long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 536						long pingTimeoutIn = (lastSent + Config.PING_TIMEOUT * 1000) - SystemClock.elapsedRealtime();
 537						if (lastSent > lastReceived) {
 538							if (pingTimeoutIn < 0) {
 539								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": ping timeout");
 540								this.reconnectAccount(account, true, interactive);
 541							} else {
 542								int secs = (int) (pingTimeoutIn / 1000);
 543								this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 544							}
 545						} else if (msToNextPing <= 0) {
 546							account.getXmppConnection().sendPing();
 547							Log.d(Config.LOGTAG, account.getJid().toBareJid() + " send ping");
 548							this.scheduleWakeUpCall(Config.PING_TIMEOUT, account.getUuid().hashCode());
 549						} else {
 550							this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 551						}
 552					} else if (account.getStatus() == Account.State.OFFLINE) {
 553						reconnectAccount(account, true, interactive);
 554					} else if (account.getStatus() == Account.State.CONNECTING) {
 555						long timeout = Config.CONNECT_TIMEOUT - ((SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000);
 556						if (timeout < 0) {
 557							Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting");
 558							reconnectAccount(account, true, interactive);
 559						} else {
 560							scheduleWakeUpCall((int) timeout, account.getUuid().hashCode());
 561						}
 562					} else {
 563						if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 564							reconnectAccount(account, true, interactive);
 565						}
 566					}
 567
 568				}
 569				if (mOnAccountUpdate != null) {
 570					mOnAccountUpdate.onAccountUpdate();
 571				}
 572			}
 573		}
 574		if (wakeLock.isHeld()) {
 575			try {
 576				wakeLock.release();
 577			} catch (final RuntimeException ignored) {
 578			}
 579		}
 580		return START_STICKY;
 581	}
 582
 583	private boolean xaOnSilentMode() {
 584		return getPreferences().getBoolean("xa_on_silent_mode", false);
 585	}
 586
 587	private boolean awayWhenScreenOff() {
 588		return getPreferences().getBoolean("away_when_screen_off", false);
 589	}
 590
 591	private int getTargetPresence() {
 592		if (xaOnSilentMode() && isPhoneSilenced()) {
 593			return Presences.XA;
 594		} else if (awayWhenScreenOff() && !isInteractive()) {
 595			return Presences.AWAY;
 596		} else {
 597			return Presences.ONLINE;
 598		}
 599	}
 600
 601	@SuppressLint("NewApi")
 602	@SuppressWarnings("deprecation")
 603	public boolean isInteractive() {
 604		final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 605
 606		final boolean isScreenOn;
 607		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 608			isScreenOn = pm.isScreenOn();
 609		} else {
 610			isScreenOn = pm.isInteractive();
 611		}
 612		return isScreenOn;
 613	}
 614
 615	private boolean isPhoneSilenced() {
 616		AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 617		return audioManager.getRingerMode() == AudioManager.RINGER_MODE_SILENT;
 618	}
 619
 620	private void resetAllAttemptCounts(boolean reallyAll) {
 621		Log.d(Config.LOGTAG, "resetting all attepmt counts");
 622		for (Account account : accounts) {
 623			if (account.hasErrorStatus() || reallyAll) {
 624				final XmppConnection connection = account.getXmppConnection();
 625				if (connection != null) {
 626					connection.resetAttemptCount();
 627				}
 628			}
 629		}
 630	}
 631
 632	public boolean hasInternetConnection() {
 633		ConnectivityManager cm = (ConnectivityManager) getApplicationContext()
 634				.getSystemService(Context.CONNECTIVITY_SERVICE);
 635		NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
 636		return activeNetwork != null && activeNetwork.isConnected();
 637	}
 638
 639	@SuppressLint("TrulyRandom")
 640	@Override
 641	public void onCreate() {
 642		ExceptionHelper.init(getApplicationContext());
 643		PRNGFixes.apply();
 644		this.mRandom = new SecureRandom();
 645		updateMemorizingTrustmanager();
 646		final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
 647		final int cacheSize = maxMemory / 8;
 648		this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
 649			@Override
 650			protected int sizeOf(final String key, final Bitmap bitmap) {
 651				return bitmap.getByteCount() / 1024;
 652			}
 653		};
 654
 655		this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
 656		this.accounts = databaseBackend.getAccounts();
 657
 658		restoreFromDatabase();
 659
 660		getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, contactObserver);
 661		this.fileObserver.startWatching();
 662
 663		this.pgpServiceConnection = new OpenPgpServiceConnection(getApplicationContext(), "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
 664			@Override
 665			public void onBound(IOpenPgpService2 service) {
 666				for (Account account : accounts) {
 667					if (account.getPgpDecryptionService() != null) {
 668						account.getPgpDecryptionService().onOpenPgpServiceBound();
 669					}
 670				}
 671			}
 672
 673			@Override
 674			public void onError(Exception e) { }
 675		});
 676		this.pgpServiceConnection.bindToService();
 677
 678		this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 679		this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "XmppConnectionService");
 680		toggleForegroundService();
 681		updateUnreadCountBadge();
 682		toggleScreenEventReceiver();
 683	}
 684
 685	@Override
 686	public void onTrimMemory(int level) {
 687		super.onTrimMemory(level);
 688		if (level >= TRIM_MEMORY_COMPLETE) {
 689			Log.d(Config.LOGTAG, "clear cache due to low memory");
 690			getBitmapCache().evictAll();
 691		}
 692	}
 693
 694	@Override
 695	public void onDestroy() {
 696		try {
 697			unregisterReceiver(this.mEventReceiver);
 698		} catch (IllegalArgumentException e) {
 699			//ignored
 700		}
 701		super.onDestroy();
 702	}
 703
 704	public void toggleScreenEventReceiver() {
 705		if (awayWhenScreenOff()) {
 706			final IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_ON);
 707			filter.addAction(Intent.ACTION_SCREEN_OFF);
 708			registerReceiver(this.mEventReceiver, filter);
 709		} else {
 710			try {
 711				unregisterReceiver(this.mEventReceiver);
 712			} catch (IllegalArgumentException e) {
 713				//ignored
 714			}
 715		}
 716	}
 717
 718	public void toggleForegroundService() {
 719		if (getPreferences().getBoolean("keep_foreground_service", false)) {
 720			startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, this.mNotificationService.createForegroundNotification());
 721		} else {
 722			stopForeground(true);
 723		}
 724	}
 725
 726	@Override
 727	public void onTaskRemoved(final Intent rootIntent) {
 728		super.onTaskRemoved(rootIntent);
 729		if (!getPreferences().getBoolean("keep_foreground_service", false)) {
 730			this.logoutAndSave();
 731		}
 732	}
 733
 734	private void logoutAndSave() {
 735		for (final Account account : accounts) {
 736			databaseBackend.writeRoster(account.getRoster());
 737			if (account.getXmppConnection() != null) {
 738				new Thread(new Runnable() {
 739					@Override
 740					public void run() {
 741						disconnect(account, false);
 742					}
 743				}).start();
 744
 745			}
 746		}
 747		Context context = getApplicationContext();
 748		AlarmManager alarmManager = (AlarmManager) context
 749				.getSystemService(Context.ALARM_SERVICE);
 750		Intent intent = new Intent(context, EventReceiver.class);
 751		alarmManager.cancel(PendingIntent.getBroadcast(context, 0, intent, 0));
 752		Log.d(Config.LOGTAG, "good bye");
 753		stopSelf();
 754	}
 755
 756	protected void scheduleWakeUpCall(int seconds, int requestCode) {
 757		final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
 758
 759		Context context = getApplicationContext();
 760		AlarmManager alarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
 761
 762		Intent intent = new Intent(context, EventReceiver.class);
 763		intent.setAction("ping");
 764		PendingIntent alarmIntent = PendingIntent.getBroadcast(context, requestCode, intent, 0);
 765		alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, alarmIntent);
 766	}
 767
 768	public XmppConnection createConnection(final Account account) {
 769		final SharedPreferences sharedPref = getPreferences();
 770		account.setResource(sharedPref.getString("resource", "mobile")
 771				.toLowerCase(Locale.getDefault()));
 772		final XmppConnection connection = new XmppConnection(account, this);
 773		connection.setOnMessagePacketReceivedListener(this.mMessageParser);
 774		connection.setOnStatusChangedListener(this.statusListener);
 775		connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
 776		connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
 777		connection.setOnJinglePacketReceivedListener(this.jingleListener);
 778		connection.setOnBindListener(this.mOnBindListener);
 779		connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
 780		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
 781		AxolotlService axolotlService = account.getAxolotlService();
 782		if (axolotlService != null) {
 783			connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
 784		}
 785		return connection;
 786	}
 787
 788	public void sendChatState(Conversation conversation) {
 789		if (sendChatStates()) {
 790			MessagePacket packet = mMessageGenerator.generateChatState(conversation);
 791			sendMessagePacket(conversation.getAccount(), packet);
 792		}
 793	}
 794
 795	private void sendFileMessage(final Message message, final boolean delay) {
 796		Log.d(Config.LOGTAG, "send file message");
 797		final Account account = message.getConversation().getAccount();
 798		final XmppConnection connection = account.getXmppConnection();
 799		if (connection != null && connection.getFeatures().httpUpload()) {
 800			mHttpConnectionManager.createNewUploadConnection(message, delay);
 801		} else {
 802			mJingleConnectionManager.createNewConnection(message);
 803		}
 804	}
 805
 806	public void sendMessage(final Message message) {
 807		sendMessage(message, false, false);
 808	}
 809
 810	private void sendMessage(final Message message, final boolean resend, final boolean delay) {
 811		final Account account = message.getConversation().getAccount();
 812		final Conversation conversation = message.getConversation();
 813		account.deactivateGracePeriod();
 814		MessagePacket packet = null;
 815		final boolean addToConversation = conversation.getMode() != Conversation.MODE_MULTI
 816				|| account.getServerIdentity() != XmppConnection.Identity.SLACK;
 817		boolean saveInDb = addToConversation;
 818		message.setStatus(Message.STATUS_WAITING);
 819
 820		if (!resend && message.getEncryption() != Message.ENCRYPTION_OTR) {
 821			message.getConversation().endOtrIfNeeded();
 822			message.getConversation().findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR,
 823					new Conversation.OnMessageFound() {
 824						@Override
 825						public void onMessageFound(Message message) {
 826							markMessage(message, Message.STATUS_SEND_FAILED);
 827						}
 828					});
 829		}
 830
 831		if (account.isOnlineAndConnected()) {
 832			switch (message.getEncryption()) {
 833				case Message.ENCRYPTION_NONE:
 834					if (message.needsUploading()) {
 835						if (account.httpUploadAvailable() || message.fixCounterpart()) {
 836							this.sendFileMessage(message, delay);
 837						} else {
 838							break;
 839						}
 840					} else {
 841						packet = mMessageGenerator.generateChat(message);
 842					}
 843					break;
 844				case Message.ENCRYPTION_PGP:
 845				case Message.ENCRYPTION_DECRYPTED:
 846					if (message.needsUploading()) {
 847						if (account.httpUploadAvailable() || message.fixCounterpart()) {
 848							this.sendFileMessage(message, delay);
 849						} else {
 850							break;
 851						}
 852					} else {
 853						packet = mMessageGenerator.generatePgpChat(message);
 854					}
 855					break;
 856				case Message.ENCRYPTION_OTR:
 857					SessionImpl otrSession = conversation.getOtrSession();
 858					if (otrSession != null && otrSession.getSessionStatus() == SessionStatus.ENCRYPTED) {
 859						try {
 860							message.setCounterpart(Jid.fromSessionID(otrSession.getSessionID()));
 861						} catch (InvalidJidException e) {
 862							break;
 863						}
 864						if (message.needsUploading()) {
 865							mJingleConnectionManager.createNewConnection(message);
 866						} else {
 867							packet = mMessageGenerator.generateOtrChat(message);
 868						}
 869					} else if (otrSession == null) {
 870						if (message.fixCounterpart()) {
 871							conversation.startOtrSession(message.getCounterpart().getResourcepart(), true);
 872						} else {
 873							break;
 874						}
 875					}
 876					break;
 877				case Message.ENCRYPTION_AXOLOTL:
 878					message.setAxolotlFingerprint(account.getAxolotlService().getOwnFingerprint());
 879					if (message.needsUploading()) {
 880						if (account.httpUploadAvailable() || message.fixCounterpart()) {
 881							this.sendFileMessage(message, delay);
 882						} else {
 883							break;
 884						}
 885					} else {
 886						XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
 887						if (axolotlMessage == null) {
 888							account.getAxolotlService().preparePayloadMessage(message, delay);
 889						} else {
 890							packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
 891						}
 892					}
 893					break;
 894
 895			}
 896			if (packet != null) {
 897				if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) {
 898					message.setStatus(Message.STATUS_UNSEND);
 899				} else {
 900					message.setStatus(Message.STATUS_SEND);
 901				}
 902			}
 903		} else {
 904			switch (message.getEncryption()) {
 905				case Message.ENCRYPTION_DECRYPTED:
 906					if (!message.needsUploading()) {
 907						String pgpBody = message.getEncryptedBody();
 908						String decryptedBody = message.getBody();
 909						message.setBody(pgpBody);
 910						message.setEncryption(Message.ENCRYPTION_PGP);
 911						databaseBackend.createMessage(message);
 912						saveInDb = false;
 913						message.setBody(decryptedBody);
 914						message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 915					}
 916					break;
 917				case Message.ENCRYPTION_OTR:
 918					if (!conversation.hasValidOtrSession() && message.getCounterpart() != null) {
 919						conversation.startOtrSession(message.getCounterpart().getResourcepart(), false);
 920					}
 921					break;
 922				case Message.ENCRYPTION_AXOLOTL:
 923					message.setAxolotlFingerprint(account.getAxolotlService().getOwnFingerprint());
 924					break;
 925			}
 926		}
 927
 928		if (resend) {
 929			if (packet != null && addToConversation) {
 930				if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) {
 931					markMessage(message, Message.STATUS_UNSEND);
 932				} else {
 933					markMessage(message, Message.STATUS_SEND);
 934				}
 935			}
 936		} else {
 937			if (addToConversation) {
 938				conversation.add(message);
 939			}
 940			if (saveInDb && (message.getEncryption() == Message.ENCRYPTION_NONE || saveEncryptedMessages())) {
 941				databaseBackend.createMessage(message);
 942			}
 943			updateConversationUi();
 944		}
 945		if (packet != null) {
 946			if (delay) {
 947				mMessageGenerator.addDelay(packet, message.getTimeSent());
 948			}
 949			if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
 950				if (this.sendChatStates()) {
 951					packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
 952				}
 953			}
 954			sendMessagePacket(account, packet);
 955		}
 956	}
 957
 958	private void sendUnsentMessages(final Conversation conversation) {
 959		conversation.findWaitingMessages(new Conversation.OnMessageFound() {
 960
 961			@Override
 962			public void onMessageFound(Message message) {
 963				resendMessage(message, true);
 964			}
 965		});
 966	}
 967
 968	public void resendMessage(final Message message, final boolean delay) {
 969		sendMessage(message, true, delay);
 970	}
 971
 972	public void fetchRosterFromServer(final Account account) {
 973		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
 974		if (!"".equals(account.getRosterVersion())) {
 975			Log.d(Config.LOGTAG, account.getJid().toBareJid()
 976					+ ": fetching roster version " + account.getRosterVersion());
 977		} else {
 978			Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": fetching roster");
 979		}
 980		iqPacket.query(Xmlns.ROSTER).setAttribute("ver", account.getRosterVersion());
 981		sendIqPacket(account, iqPacket, mIqParser);
 982	}
 983
 984	public void fetchBookmarks(final Account account) {
 985		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
 986		final Element query = iqPacket.query("jabber:iq:private");
 987		query.addChild("storage", "storage:bookmarks");
 988		final OnIqPacketReceived callback = new OnIqPacketReceived() {
 989
 990			@Override
 991			public void onIqPacketReceived(final Account account, final IqPacket packet) {
 992				if (packet.getType() == IqPacket.TYPE.RESULT) {
 993					final Element query = packet.query();
 994					final List<Bookmark> bookmarks = new CopyOnWriteArrayList<>();
 995					final Element storage = query.findChild("storage", "storage:bookmarks");
 996					if (storage != null) {
 997						for (final Element item : storage.getChildren()) {
 998							if (item.getName().equals("conference")) {
 999								final Bookmark bookmark = Bookmark.parse(item, account);
1000								bookmarks.add(bookmark);
1001								Conversation conversation = find(bookmark);
1002								if (conversation != null) {
1003									conversation.setBookmark(bookmark);
1004								} else if (bookmark.autojoin() && bookmark.getJid() != null) {
1005									conversation = findOrCreateConversation(
1006											account, bookmark.getJid(), true);
1007									conversation.setBookmark(bookmark);
1008									joinMuc(conversation);
1009								}
1010							}
1011						}
1012					}
1013					account.setBookmarks(bookmarks);
1014				} else {
1015					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not fetch bookmarks");
1016				}
1017			}
1018		};
1019		sendIqPacket(account, iqPacket, callback);
1020	}
1021
1022	public void pushBookmarks(Account account) {
1023		IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1024		Element query = iqPacket.query("jabber:iq:private");
1025		Element storage = query.addChild("storage", "storage:bookmarks");
1026		for (Bookmark bookmark : account.getBookmarks()) {
1027			storage.addChild(bookmark);
1028		}
1029		sendIqPacket(account, iqPacket, mDefaultIqHandler);
1030	}
1031
1032	public void onPhoneContactsLoaded(final List<Bundle> phoneContacts) {
1033		if (mPhoneContactMergerThread != null) {
1034			mPhoneContactMergerThread.interrupt();
1035		}
1036		mPhoneContactMergerThread = new Thread(new Runnable() {
1037			@Override
1038			public void run() {
1039				Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1040				for (Account account : accounts) {
1041					List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts();
1042					for (Bundle phoneContact : phoneContacts) {
1043						if (Thread.interrupted()) {
1044							Log.d(Config.LOGTAG, "interrupted merging phone contacts");
1045							return;
1046						}
1047						Jid jid;
1048						try {
1049							jid = Jid.fromString(phoneContact.getString("jid"));
1050						} catch (final InvalidJidException e) {
1051							continue;
1052						}
1053						final Contact contact = account.getRoster().getContact(jid);
1054						String systemAccount = phoneContact.getInt("phoneid")
1055								+ "#"
1056								+ phoneContact.getString("lookup");
1057						contact.setSystemAccount(systemAccount);
1058						if (contact.setPhotoUri(phoneContact.getString("photouri"))) {
1059							getAvatarService().clear(contact);
1060						}
1061						contact.setSystemName(phoneContact.getString("displayname"));
1062						withSystemAccounts.remove(contact);
1063					}
1064					for (Contact contact : withSystemAccounts) {
1065						contact.setSystemAccount(null);
1066						contact.setSystemName(null);
1067						if (contact.setPhotoUri(null)) {
1068							getAvatarService().clear(contact);
1069						}
1070					}
1071				}
1072				Log.d(Config.LOGTAG, "finished merging phone contacts");
1073				updateAccountUi();
1074			}
1075		});
1076		mPhoneContactMergerThread.start();
1077	}
1078
1079	private void restoreFromDatabase() {
1080		synchronized (this.conversations) {
1081			final Map<String, Account> accountLookupTable = new Hashtable<>();
1082			for (Account account : this.accounts) {
1083				accountLookupTable.put(account.getUuid(), account);
1084			}
1085			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1086			for (Conversation conversation : this.conversations) {
1087				Account account = accountLookupTable.get(conversation.getAccountUuid());
1088				conversation.setAccount(account);
1089			}
1090			Runnable runnable = new Runnable() {
1091				@Override
1092				public void run() {
1093					Log.d(Config.LOGTAG, "restoring roster");
1094					for (Account account : accounts) {
1095						databaseBackend.readRoster(account.getRoster());
1096						account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1097					}
1098					getBitmapCache().evictAll();
1099					Looper.prepare();
1100					PhoneHelper.loadPhoneContacts(getApplicationContext(),
1101							new CopyOnWriteArrayList<Bundle>(),
1102							XmppConnectionService.this);
1103					Log.d(Config.LOGTAG, "restoring messages");
1104					for (Conversation conversation : conversations) {
1105						conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1106						checkDeletedFiles(conversation);
1107						conversation.findUnreadMessages(new Conversation.OnMessageFound() {
1108							@Override
1109							public void onMessageFound(Message message) {
1110								mNotificationService.pushFromBacklog(message);
1111							}
1112						});
1113					}
1114					mNotificationService.finishBacklog();
1115					mRestoredFromDatabase = true;
1116					Log.d(Config.LOGTAG, "restored all messages");
1117					updateConversationUi();
1118				}
1119			};
1120			mDatabaseExecutor.execute(runnable);
1121		}
1122	}
1123
1124	public List<Conversation> getConversations() {
1125		return this.conversations;
1126	}
1127
1128	private void checkDeletedFiles(Conversation conversation) {
1129		conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
1130
1131			@Override
1132			public void onMessageFound(Message message) {
1133				if (!getFileBackend().isFileAvailable(message)) {
1134					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1135					final int s = message.getStatus();
1136					if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1137						markMessage(message, Message.STATUS_SEND_FAILED);
1138					}
1139				}
1140			}
1141		});
1142	}
1143
1144	private void markFileDeleted(String uuid) {
1145		for (Conversation conversation : getConversations()) {
1146			Message message = conversation.findMessageWithFileAndUuid(uuid);
1147			if (message != null) {
1148				if (!getFileBackend().isFileAvailable(message)) {
1149					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1150					final int s = message.getStatus();
1151					if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1152						markMessage(message, Message.STATUS_SEND_FAILED);
1153					} else {
1154						updateConversationUi();
1155					}
1156				}
1157				return;
1158			}
1159		}
1160	}
1161
1162	public void populateWithOrderedConversations(final List<Conversation> list) {
1163		populateWithOrderedConversations(list, true);
1164	}
1165
1166	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1167		list.clear();
1168		if (includeNoFileUpload) {
1169			list.addAll(getConversations());
1170		} else {
1171			for (Conversation conversation : getConversations()) {
1172				if (conversation.getMode() == Conversation.MODE_SINGLE
1173						|| conversation.getAccount().httpUploadAvailable()) {
1174					list.add(conversation);
1175				}
1176			}
1177		}
1178		Collections.sort(list, new Comparator<Conversation>() {
1179			@Override
1180			public int compare(Conversation lhs, Conversation rhs) {
1181				Message left = lhs.getLatestMessage();
1182				Message right = rhs.getLatestMessage();
1183				if (left.getTimeSent() > right.getTimeSent()) {
1184					return -1;
1185				} else if (left.getTimeSent() < right.getTimeSent()) {
1186					return 1;
1187				} else {
1188					return 0;
1189				}
1190			}
1191		});
1192	}
1193
1194	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1195		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1196			return;
1197		}
1198		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1199		Runnable runnable = new Runnable() {
1200			@Override
1201			public void run() {
1202				final Account account = conversation.getAccount();
1203				List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1204				if (messages.size() > 0) {
1205					conversation.addAll(0, messages);
1206					checkDeletedFiles(conversation);
1207					callback.onMoreMessagesLoaded(messages.size(), conversation);
1208				} else if (conversation.hasMessagesLeftOnServer()
1209						&& account.isOnlineAndConnected()) {
1210					if ((conversation.getMode() == Conversation.MODE_SINGLE && account.getXmppConnection().getFeatures().mam())
1211							|| (conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().mamSupport())) {
1212						MessageArchiveService.Query query = getMessageArchiveService().query(conversation, 0, timestamp - 1);
1213						if (query != null) {
1214							query.setCallback(callback);
1215						}
1216						callback.informUser(R.string.fetching_history_from_server);
1217					}
1218				}
1219			}
1220		};
1221		mDatabaseExecutor.execute(runnable);
1222	}
1223
1224	public List<Account> getAccounts() {
1225		return this.accounts;
1226	}
1227
1228	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1229		for (final Conversation conversation : haystack) {
1230			if (conversation.getContact() == contact) {
1231				return conversation;
1232			}
1233		}
1234		return null;
1235	}
1236
1237	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1238		if (jid == null) {
1239			return null;
1240		}
1241		for (final Conversation conversation : haystack) {
1242			if ((account == null || conversation.getAccount() == account)
1243					&& (conversation.getJid().toBareJid().equals(jid.toBareJid()))) {
1244				return conversation;
1245			}
1246		}
1247		return null;
1248	}
1249
1250	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc) {
1251		return this.findOrCreateConversation(account, jid, muc, null);
1252	}
1253
1254	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final MessageArchiveService.Query query) {
1255		synchronized (this.conversations) {
1256			Conversation conversation = find(account, jid);
1257			if (conversation != null) {
1258				return conversation;
1259			}
1260			conversation = databaseBackend.findConversation(account, jid);
1261			if (conversation != null) {
1262				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1263				conversation.setAccount(account);
1264				if (muc) {
1265					conversation.setMode(Conversation.MODE_MULTI);
1266					conversation.setContactJid(jid);
1267				} else {
1268					conversation.setMode(Conversation.MODE_SINGLE);
1269					conversation.setContactJid(jid.toBareJid());
1270				}
1271				conversation.setNextEncryption(-1);
1272				conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1273				this.databaseBackend.updateConversation(conversation);
1274			} else {
1275				String conversationName;
1276				Contact contact = account.getRoster().getContact(jid);
1277				if (contact != null) {
1278					conversationName = contact.getDisplayName();
1279				} else {
1280					conversationName = jid.getLocalpart();
1281				}
1282				if (muc) {
1283					conversation = new Conversation(conversationName, account, jid,
1284							Conversation.MODE_MULTI);
1285				} else {
1286					conversation = new Conversation(conversationName, account, jid.toBareJid(),
1287							Conversation.MODE_SINGLE);
1288				}
1289				this.databaseBackend.createConversation(conversation);
1290			}
1291			if (account.getXmppConnection() != null
1292					&& account.getXmppConnection().getFeatures().mam()
1293					&& !muc) {
1294				if (query == null) {
1295					this.mMessageArchiveService.query(conversation);
1296				} else {
1297					if (query.getConversation() == null) {
1298						this.mMessageArchiveService.query(conversation, query.getStart());
1299					}
1300				}
1301			}
1302			checkDeletedFiles(conversation);
1303			this.conversations.add(conversation);
1304			updateConversationUi();
1305			return conversation;
1306		}
1307	}
1308
1309	public void archiveConversation(Conversation conversation) {
1310		getNotificationService().clear(conversation);
1311		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1312		conversation.setNextEncryption(-1);
1313		synchronized (this.conversations) {
1314			if (conversation.getMode() == Conversation.MODE_MULTI) {
1315				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1316					Bookmark bookmark = conversation.getBookmark();
1317					if (bookmark != null && bookmark.autojoin()) {
1318						bookmark.setAutojoin(false);
1319						pushBookmarks(bookmark.getAccount());
1320					}
1321				}
1322				leaveMuc(conversation);
1323			} else {
1324				conversation.endOtrIfNeeded();
1325				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1326					Log.d(Config.LOGTAG, "Canceling presence request from " + conversation.getJid().toString());
1327					sendPresencePacket(
1328							conversation.getAccount(),
1329							mPresenceGenerator.stopPresenceUpdatesTo(conversation.getContact())
1330					);
1331				}
1332			}
1333			this.databaseBackend.updateConversation(conversation);
1334			this.conversations.remove(conversation);
1335			updateConversationUi();
1336		}
1337	}
1338
1339	public void createAccount(final Account account) {
1340		account.initAccountServices(this);
1341		databaseBackend.createAccount(account);
1342		this.accounts.add(account);
1343		this.reconnectAccountInBackground(account);
1344		updateAccountUi();
1345	}
1346
1347	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
1348		new Thread(new Runnable() {
1349			@Override
1350			public void run() {
1351				try {
1352					X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1353					Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1354					if (findAccountByJid(info.first) == null) {
1355						Account account = new Account(info.first, "");
1356						account.setPrivateKeyAlias(alias);
1357						account.setOption(Account.OPTION_DISABLED, true);
1358						account.setDisplayName(info.second);
1359						createAccount(account);
1360						callback.onAccountCreated(account);
1361						if (Config.X509_VERIFICATION) {
1362							try {
1363								getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1364							} catch (CertificateException e) {
1365								callback.informUser(R.string.certificate_chain_is_not_trusted);
1366							}
1367						}
1368					} else {
1369						callback.informUser(R.string.account_already_exists);
1370					}
1371				} catch (Exception e) {
1372					e.printStackTrace();
1373					callback.informUser(R.string.unable_to_parse_certificate);
1374				}
1375			}
1376		}).start();
1377
1378	}
1379
1380	public void updateKeyInAccount(final Account account, final String alias) {
1381		Log.d(Config.LOGTAG, "update key in account " + alias);
1382		try {
1383			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1384			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1385			if (account.getJid().toBareJid().equals(info.first)) {
1386				account.setPrivateKeyAlias(alias);
1387				account.setDisplayName(info.second);
1388				databaseBackend.updateAccount(account);
1389				if (Config.X509_VERIFICATION) {
1390					try {
1391						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1392					} catch (CertificateException e) {
1393						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
1394					}
1395					account.getAxolotlService().regenerateKeys(true);
1396				}
1397			} else {
1398				showErrorToastInUi(R.string.jid_does_not_match_certificate);
1399			}
1400		} catch (Exception e) {
1401			e.printStackTrace();
1402		}
1403	}
1404
1405	public void updateAccount(final Account account) {
1406		this.statusListener.onStatusChanged(account);
1407		databaseBackend.updateAccount(account);
1408		reconnectAccountInBackground(account);
1409		updateAccountUi();
1410		getNotificationService().updateErrorNotification();
1411	}
1412
1413	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1414		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1415		sendIqPacket(account, iq, new OnIqPacketReceived() {
1416			@Override
1417			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1418				if (packet.getType() == IqPacket.TYPE.RESULT) {
1419					account.setPassword(newPassword);
1420					databaseBackend.updateAccount(account);
1421					callback.onPasswordChangeSucceeded();
1422				} else {
1423					callback.onPasswordChangeFailed();
1424				}
1425			}
1426		});
1427	}
1428
1429	public void deleteAccount(final Account account) {
1430		synchronized (this.conversations) {
1431			for (final Conversation conversation : conversations) {
1432				if (conversation.getAccount() == account) {
1433					if (conversation.getMode() == Conversation.MODE_MULTI) {
1434						leaveMuc(conversation);
1435					} else if (conversation.getMode() == Conversation.MODE_SINGLE) {
1436						conversation.endOtrIfNeeded();
1437					}
1438					conversations.remove(conversation);
1439				}
1440			}
1441			if (account.getXmppConnection() != null) {
1442				this.disconnect(account, true);
1443			}
1444			Runnable runnable = new Runnable() {
1445				@Override
1446				public void run() {
1447					databaseBackend.deleteAccount(account);
1448				}
1449			};
1450			mDatabaseExecutor.execute(runnable);
1451			this.accounts.remove(account);
1452			updateAccountUi();
1453			getNotificationService().updateErrorNotification();
1454		}
1455	}
1456
1457	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
1458		synchronized (this) {
1459			if (checkListeners()) {
1460				switchToForeground();
1461			}
1462			this.mOnConversationUpdate = listener;
1463			this.mNotificationService.setIsInForeground(true);
1464			if (this.convChangedListenerCount < 2) {
1465				this.convChangedListenerCount++;
1466			}
1467		}
1468	}
1469
1470	public void removeOnConversationListChangedListener() {
1471		synchronized (this) {
1472			this.convChangedListenerCount--;
1473			if (this.convChangedListenerCount <= 0) {
1474				this.convChangedListenerCount = 0;
1475				this.mOnConversationUpdate = null;
1476				this.mNotificationService.setIsInForeground(false);
1477				if (checkListeners()) {
1478					switchToBackground();
1479				}
1480			}
1481		}
1482	}
1483
1484	public void setOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
1485		synchronized (this) {
1486			if (checkListeners()) {
1487				switchToForeground();
1488			}
1489			this.mOnShowErrorToast = onShowErrorToast;
1490			if (this.showErrorToastListenerCount < 2) {
1491				this.showErrorToastListenerCount++;
1492			}
1493		}
1494		this.mOnShowErrorToast = onShowErrorToast;
1495	}
1496
1497	public void removeOnShowErrorToastListener() {
1498		synchronized (this) {
1499			this.showErrorToastListenerCount--;
1500			if (this.showErrorToastListenerCount <= 0) {
1501				this.showErrorToastListenerCount = 0;
1502				this.mOnShowErrorToast = null;
1503				if (checkListeners()) {
1504					switchToBackground();
1505				}
1506			}
1507		}
1508	}
1509
1510	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
1511		synchronized (this) {
1512			if (checkListeners()) {
1513				switchToForeground();
1514			}
1515			this.mOnAccountUpdate = listener;
1516			if (this.accountChangedListenerCount < 2) {
1517				this.accountChangedListenerCount++;
1518			}
1519		}
1520	}
1521
1522	public void removeOnAccountListChangedListener() {
1523		synchronized (this) {
1524			this.accountChangedListenerCount--;
1525			if (this.accountChangedListenerCount <= 0) {
1526				this.mOnAccountUpdate = null;
1527				this.accountChangedListenerCount = 0;
1528				if (checkListeners()) {
1529					switchToBackground();
1530				}
1531			}
1532		}
1533	}
1534
1535	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
1536		synchronized (this) {
1537			if (checkListeners()) {
1538				switchToForeground();
1539			}
1540			this.mOnCaptchaRequested = listener;
1541			if (this.captchaRequestedListenerCount < 2) {
1542				this.captchaRequestedListenerCount++;
1543			}
1544		}
1545	}
1546
1547	public void removeOnCaptchaRequestedListener() {
1548		synchronized (this) {
1549			this.captchaRequestedListenerCount--;
1550			if (this.captchaRequestedListenerCount <= 0) {
1551				this.mOnCaptchaRequested = null;
1552				this.captchaRequestedListenerCount = 0;
1553				if (checkListeners()) {
1554					switchToBackground();
1555				}
1556			}
1557		}
1558	}
1559
1560	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
1561		synchronized (this) {
1562			if (checkListeners()) {
1563				switchToForeground();
1564			}
1565			this.mOnRosterUpdate = listener;
1566			if (this.rosterChangedListenerCount < 2) {
1567				this.rosterChangedListenerCount++;
1568			}
1569		}
1570	}
1571
1572	public void removeOnRosterUpdateListener() {
1573		synchronized (this) {
1574			this.rosterChangedListenerCount--;
1575			if (this.rosterChangedListenerCount <= 0) {
1576				this.rosterChangedListenerCount = 0;
1577				this.mOnRosterUpdate = null;
1578				if (checkListeners()) {
1579					switchToBackground();
1580				}
1581			}
1582		}
1583	}
1584
1585	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
1586		synchronized (this) {
1587			if (checkListeners()) {
1588				switchToForeground();
1589			}
1590			this.mOnUpdateBlocklist = listener;
1591			if (this.updateBlocklistListenerCount < 2) {
1592				this.updateBlocklistListenerCount++;
1593			}
1594		}
1595	}
1596
1597	public void removeOnUpdateBlocklistListener() {
1598		synchronized (this) {
1599			this.updateBlocklistListenerCount--;
1600			if (this.updateBlocklistListenerCount <= 0) {
1601				this.updateBlocklistListenerCount = 0;
1602				this.mOnUpdateBlocklist = null;
1603				if (checkListeners()) {
1604					switchToBackground();
1605				}
1606			}
1607		}
1608	}
1609
1610	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
1611		synchronized (this) {
1612			if (checkListeners()) {
1613				switchToForeground();
1614			}
1615			this.mOnKeyStatusUpdated = listener;
1616			if (this.keyStatusUpdatedListenerCount < 2) {
1617				this.keyStatusUpdatedListenerCount++;
1618			}
1619		}
1620	}
1621
1622	public void removeOnNewKeysAvailableListener() {
1623		synchronized (this) {
1624			this.keyStatusUpdatedListenerCount--;
1625			if (this.keyStatusUpdatedListenerCount <= 0) {
1626				this.keyStatusUpdatedListenerCount = 0;
1627				this.mOnKeyStatusUpdated = null;
1628				if (checkListeners()) {
1629					switchToBackground();
1630				}
1631			}
1632		}
1633	}
1634
1635	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
1636		synchronized (this) {
1637			if (checkListeners()) {
1638				switchToForeground();
1639			}
1640			this.mOnMucRosterUpdate = listener;
1641			if (this.mucRosterChangedListenerCount < 2) {
1642				this.mucRosterChangedListenerCount++;
1643			}
1644		}
1645	}
1646
1647	public void removeOnMucRosterUpdateListener() {
1648		synchronized (this) {
1649			this.mucRosterChangedListenerCount--;
1650			if (this.mucRosterChangedListenerCount <= 0) {
1651				this.mucRosterChangedListenerCount = 0;
1652				this.mOnMucRosterUpdate = null;
1653				if (checkListeners()) {
1654					switchToBackground();
1655				}
1656			}
1657		}
1658	}
1659
1660	private boolean checkListeners() {
1661		return (this.mOnAccountUpdate == null
1662				&& this.mOnConversationUpdate == null
1663				&& this.mOnRosterUpdate == null
1664				&& this.mOnCaptchaRequested == null
1665				&& this.mOnUpdateBlocklist == null
1666				&& this.mOnShowErrorToast == null
1667				&& this.mOnKeyStatusUpdated == null);
1668	}
1669
1670	private void switchToForeground() {
1671		for (Conversation conversation : getConversations()) {
1672			conversation.setIncomingChatState(ChatState.ACTIVE);
1673		}
1674		for (Account account : getAccounts()) {
1675			if (account.getStatus() == Account.State.ONLINE) {
1676				XmppConnection connection = account.getXmppConnection();
1677				if (connection != null && connection.getFeatures().csi()) {
1678					connection.sendActive();
1679				}
1680			}
1681		}
1682		Log.d(Config.LOGTAG, "app switched into foreground");
1683	}
1684
1685	private void switchToBackground() {
1686		for (Account account : getAccounts()) {
1687			if (account.getStatus() == Account.State.ONLINE) {
1688				XmppConnection connection = account.getXmppConnection();
1689				if (connection != null && connection.getFeatures().csi()) {
1690					connection.sendInactive();
1691				}
1692			}
1693		}
1694		this.mNotificationService.setIsInForeground(false);
1695		Log.d(Config.LOGTAG, "app switched into background");
1696	}
1697
1698	private void connectMultiModeConversations(Account account) {
1699		List<Conversation> conversations = getConversations();
1700		for (Conversation conversation : conversations) {
1701			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
1702				joinMuc(conversation, true, null);
1703			}
1704		}
1705	}
1706
1707	public void joinMuc(Conversation conversation) {
1708		joinMuc(conversation, false, null);
1709	}
1710
1711	private void joinMuc(Conversation conversation, boolean now, final OnConferenceJoined onConferenceJoined) {
1712		Account account = conversation.getAccount();
1713		account.pendingConferenceJoins.remove(conversation);
1714		account.pendingConferenceLeaves.remove(conversation);
1715		if (account.getStatus() == Account.State.ONLINE || now) {
1716			conversation.resetMucOptions();
1717			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
1718
1719				private void join(Conversation conversation) {
1720					Account account = conversation.getAccount();
1721					final String nick = conversation.getMucOptions().getProposedNick();
1722					final Jid joinJid = conversation.getMucOptions().createJoinJid(nick);
1723					Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": joining conversation " + joinJid.toString());
1724					PresencePacket packet = new PresencePacket();
1725					packet.setFrom(conversation.getAccount().getJid());
1726					packet.setTo(joinJid);
1727					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
1728					if (conversation.getMucOptions().getPassword() != null) {
1729						x.addChild("password").setContent(conversation.getMucOptions().getPassword());
1730					}
1731
1732					if (conversation.getMucOptions().mamSupport()) {
1733						// Use MAM instead of the limited muc history to get history
1734						x.addChild("history").setAttribute("maxchars", "0");
1735					} else {
1736						// Fallback to muc history
1737						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted()));
1738					}
1739					String sig = account.getPgpSignature();
1740					if (sig != null) {
1741						packet.addChild("x", "jabber:x:signed").setContent(sig);
1742					}
1743					sendPresencePacket(account, packet);
1744					if (onConferenceJoined != null) {
1745						onConferenceJoined.onConferenceJoined(conversation);
1746					}
1747					if (!joinJid.equals(conversation.getJid())) {
1748						conversation.setContactJid(joinJid);
1749						databaseBackend.updateConversation(conversation);
1750					}
1751					conversation.setHasMessagesLeftOnServer(false);
1752					if (conversation.getMucOptions().mamSupport()) {
1753						getMessageArchiveService().catchupMUC(conversation);
1754					}
1755				}
1756
1757				@Override
1758				public void onConferenceConfigurationFetched(Conversation conversation) {
1759					join(conversation);
1760				}
1761
1762				@Override
1763				public void onFetchFailed(final Conversation conversation, Element error) {
1764					join(conversation);
1765					fetchConferenceConfiguration(conversation);
1766				}
1767			});
1768
1769		} else {
1770			account.pendingConferenceJoins.add(conversation);
1771		}
1772	}
1773
1774	public void providePasswordForMuc(Conversation conversation, String password) {
1775		if (conversation.getMode() == Conversation.MODE_MULTI) {
1776			conversation.getMucOptions().setPassword(password);
1777			if (conversation.getBookmark() != null) {
1778				conversation.getBookmark().setAutojoin(true);
1779				pushBookmarks(conversation.getAccount());
1780			}
1781			databaseBackend.updateConversation(conversation);
1782			joinMuc(conversation);
1783		}
1784	}
1785
1786	public void renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
1787		final MucOptions options = conversation.getMucOptions();
1788		final Jid joinJid = options.createJoinJid(nick);
1789		if (options.online()) {
1790			Account account = conversation.getAccount();
1791			options.setOnRenameListener(new OnRenameListener() {
1792
1793				@Override
1794				public void onSuccess() {
1795					conversation.setContactJid(joinJid);
1796					databaseBackend.updateConversation(conversation);
1797					Bookmark bookmark = conversation.getBookmark();
1798					if (bookmark != null) {
1799						bookmark.setNick(nick);
1800						pushBookmarks(bookmark.getAccount());
1801					}
1802					callback.success(conversation);
1803				}
1804
1805				@Override
1806				public void onFailure() {
1807					callback.error(R.string.nick_in_use, conversation);
1808				}
1809			});
1810
1811			PresencePacket packet = new PresencePacket();
1812			packet.setTo(joinJid);
1813			packet.setFrom(conversation.getAccount().getJid());
1814
1815			String sig = account.getPgpSignature();
1816			if (sig != null) {
1817				packet.addChild("status").setContent("online");
1818				packet.addChild("x", "jabber:x:signed").setContent(sig);
1819			}
1820			sendPresencePacket(account, packet);
1821		} else {
1822			conversation.setContactJid(joinJid);
1823			databaseBackend.updateConversation(conversation);
1824			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1825				Bookmark bookmark = conversation.getBookmark();
1826				if (bookmark != null) {
1827					bookmark.setNick(nick);
1828					pushBookmarks(bookmark.getAccount());
1829				}
1830				joinMuc(conversation);
1831			}
1832		}
1833	}
1834
1835	public void leaveMuc(Conversation conversation) {
1836		leaveMuc(conversation, false);
1837	}
1838
1839	private void leaveMuc(Conversation conversation, boolean now) {
1840		Account account = conversation.getAccount();
1841		account.pendingConferenceJoins.remove(conversation);
1842		account.pendingConferenceLeaves.remove(conversation);
1843		if (account.getStatus() == Account.State.ONLINE || now) {
1844			PresencePacket packet = new PresencePacket();
1845			packet.setTo(conversation.getJid());
1846			packet.setFrom(conversation.getAccount().getJid());
1847			packet.setAttribute("type", "unavailable");
1848			sendPresencePacket(conversation.getAccount(), packet);
1849			conversation.getMucOptions().setOffline();
1850			conversation.deregisterWithBookmark();
1851			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid()
1852					+ ": leaving muc " + conversation.getJid());
1853		} else {
1854			account.pendingConferenceLeaves.add(conversation);
1855		}
1856	}
1857
1858	private String findConferenceServer(final Account account) {
1859		String server;
1860		if (account.getXmppConnection() != null) {
1861			server = account.getXmppConnection().getMucServer();
1862			if (server != null) {
1863				return server;
1864			}
1865		}
1866		for (Account other : getAccounts()) {
1867			if (other != account && other.getXmppConnection() != null) {
1868				server = other.getXmppConnection().getMucServer();
1869				if (server != null) {
1870					return server;
1871				}
1872			}
1873		}
1874		return null;
1875	}
1876
1877	public void createAdhocConference(final Account account, final Iterable<Jid> jids, final UiCallback<Conversation> callback) {
1878		Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": creating adhoc conference with " + jids.toString());
1879		if (account.getStatus() == Account.State.ONLINE) {
1880			try {
1881				String server = findConferenceServer(account);
1882				if (server == null) {
1883					if (callback != null) {
1884						callback.error(R.string.no_conference_server_found, null);
1885					}
1886					return;
1887				}
1888				String name = new BigInteger(75, getRNG()).toString(32);
1889				Jid jid = Jid.fromParts(name, server, null);
1890				final Conversation conversation = findOrCreateConversation(account, jid, true);
1891				joinMuc(conversation, true, new OnConferenceJoined() {
1892					@Override
1893					public void onConferenceJoined(final Conversation conversation) {
1894						Bundle options = new Bundle();
1895						options.putString("muc#roomconfig_persistentroom", "1");
1896						options.putString("muc#roomconfig_membersonly", "1");
1897						options.putString("muc#roomconfig_publicroom", "0");
1898						options.putString("muc#roomconfig_whois", "anyone");
1899						pushConferenceConfiguration(conversation, options, new OnConferenceOptionsPushed() {
1900							@Override
1901							public void onPushSucceeded() {
1902								for (Jid invite : jids) {
1903									invite(conversation, invite);
1904								}
1905								if (account.countPresences() > 1) {
1906									directInvite(conversation, account.getJid().toBareJid());
1907								}
1908								if (callback != null) {
1909									callback.success(conversation);
1910								}
1911							}
1912
1913							@Override
1914							public void onPushFailed() {
1915								if (callback != null) {
1916									callback.error(R.string.conference_creation_failed, conversation);
1917								}
1918							}
1919						});
1920					}
1921				});
1922			} catch (InvalidJidException e) {
1923				if (callback != null) {
1924					callback.error(R.string.conference_creation_failed, null);
1925				}
1926			}
1927		} else {
1928			if (callback != null) {
1929				callback.error(R.string.not_connected_try_again, null);
1930			}
1931		}
1932	}
1933
1934	public void fetchConferenceConfiguration(final Conversation conversation) {
1935		fetchConferenceConfiguration(conversation, null);
1936	}
1937
1938	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
1939		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
1940		request.setTo(conversation.getJid().toBareJid());
1941		request.query("http://jabber.org/protocol/disco#info");
1942		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
1943			@Override
1944			public void onIqPacketReceived(Account account, IqPacket packet) {
1945				if (packet.getType() == IqPacket.TYPE.RESULT) {
1946					ArrayList<String> features = new ArrayList<>();
1947					Element query = packet.query();
1948					for (Element child : query.getChildren()) {
1949						if (child != null && child.getName().equals("feature")) {
1950							String var = child.getAttribute("var");
1951							if (var != null) {
1952								features.add(var);
1953							}
1954						}
1955					}
1956					Element form = query.findChild("x","jabber:x:data");
1957					if (form != null) {
1958						conversation.getMucOptions().updateFormData(Data.parse(form));
1959					}
1960					conversation.getMucOptions().updateFeatures(features);
1961					if (callback != null) {
1962						callback.onConferenceConfigurationFetched(conversation);
1963					}
1964					updateConversationUi();
1965				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
1966					if (callback != null) {
1967						callback.onFetchFailed(conversation, packet.getError());
1968					}
1969				}
1970			}
1971		});
1972	}
1973
1974	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConferenceOptionsPushed callback) {
1975		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
1976		request.setTo(conversation.getJid().toBareJid());
1977		request.query("http://jabber.org/protocol/muc#owner");
1978		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
1979			@Override
1980			public void onIqPacketReceived(Account account, IqPacket packet) {
1981				if (packet.getType() == IqPacket.TYPE.RESULT) {
1982					Data data = Data.parse(packet.query().findChild("x", "jabber:x:data"));
1983					for (Field field : data.getFields()) {
1984						if (options.containsKey(field.getFieldName())) {
1985							field.setValue(options.getString(field.getFieldName()));
1986						}
1987					}
1988					data.submit();
1989					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
1990					set.setTo(conversation.getJid().toBareJid());
1991					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
1992					sendIqPacket(account, set, new OnIqPacketReceived() {
1993						@Override
1994						public void onIqPacketReceived(Account account, IqPacket packet) {
1995							if (callback != null) {
1996								if (packet.getType() == IqPacket.TYPE.RESULT) {
1997									callback.onPushSucceeded();
1998								} else {
1999									callback.onPushFailed();
2000								}
2001							}
2002						}
2003					});
2004				} else {
2005					if (callback != null) {
2006						callback.onPushFailed();
2007					}
2008				}
2009			}
2010		});
2011	}
2012
2013	public void pushSubjectToConference(final Conversation conference, final String subject) {
2014		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, subject);
2015		this.sendMessagePacket(conference.getAccount(), packet);
2016		final MucOptions mucOptions = conference.getMucOptions();
2017		final MucOptions.User self = mucOptions.getSelf();
2018		if (!mucOptions.persistent() && self.getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
2019			Bundle options = new Bundle();
2020			options.putString("muc#roomconfig_persistentroom", "1");
2021			this.pushConferenceConfiguration(conference, options, null);
2022		}
2023	}
2024
2025	public void changeAffiliationInConference(final Conversation conference, Jid user, MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
2026		final Jid jid = user.toBareJid();
2027		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
2028		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2029			@Override
2030			public void onIqPacketReceived(Account account, IqPacket packet) {
2031				if (packet.getType() == IqPacket.TYPE.RESULT) {
2032					callback.onAffiliationChangedSuccessful(jid);
2033				} else {
2034					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
2035				}
2036			}
2037		});
2038	}
2039
2040	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
2041		List<Jid> jids = new ArrayList<>();
2042		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
2043			if (user.getAffiliation() == before && user.getJid() != null) {
2044				jids.add(user.getJid());
2045			}
2046		}
2047		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
2048		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
2049	}
2050
2051	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
2052		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
2053		Log.d(Config.LOGTAG, request.toString());
2054		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2055			@Override
2056			public void onIqPacketReceived(Account account, IqPacket packet) {
2057				Log.d(Config.LOGTAG, packet.toString());
2058				if (packet.getType() == IqPacket.TYPE.RESULT) {
2059					callback.onRoleChangedSuccessful(nick);
2060				} else {
2061					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
2062				}
2063			}
2064		});
2065	}
2066
2067	private void disconnect(Account account, boolean force) {
2068		if ((account.getStatus() == Account.State.ONLINE)
2069				|| (account.getStatus() == Account.State.DISABLED)) {
2070			if (!force) {
2071				List<Conversation> conversations = getConversations();
2072				for (Conversation conversation : conversations) {
2073					if (conversation.getAccount() == account) {
2074						if (conversation.getMode() == Conversation.MODE_MULTI) {
2075							leaveMuc(conversation, true);
2076						} else {
2077							if (conversation.endOtrIfNeeded()) {
2078								Log.d(Config.LOGTAG, account.getJid().toBareJid()
2079										+ ": ended otr session with "
2080										+ conversation.getJid());
2081							}
2082						}
2083					}
2084				}
2085				sendOfflinePresence(account);
2086			}
2087			account.getXmppConnection().disconnect(force);
2088		}
2089	}
2090
2091	@Override
2092	public IBinder onBind(Intent intent) {
2093		return mBinder;
2094	}
2095
2096	public void updateMessage(Message message) {
2097		databaseBackend.updateMessage(message);
2098		updateConversationUi();
2099	}
2100
2101	protected void syncDirtyContacts(Account account) {
2102		for (Contact contact : account.getRoster().getContacts()) {
2103			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
2104				pushContactToServer(contact);
2105			}
2106			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
2107				deleteContactOnServer(contact);
2108			}
2109		}
2110	}
2111
2112	public void createContact(Contact contact) {
2113		boolean autoGrant = getPreferences().getBoolean("grant_new_contacts", true);
2114		if (autoGrant) {
2115			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
2116			contact.setOption(Contact.Options.ASKING);
2117		}
2118		pushContactToServer(contact);
2119	}
2120
2121	public void onOtrSessionEstablished(Conversation conversation) {
2122		final Account account = conversation.getAccount();
2123		final Session otrSession = conversation.getOtrSession();
2124		Log.d(Config.LOGTAG,
2125				account.getJid().toBareJid() + " otr session established with "
2126						+ conversation.getJid() + "/"
2127						+ otrSession.getSessionID().getUserID());
2128		conversation.findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR, new Conversation.OnMessageFound() {
2129
2130			@Override
2131			public void onMessageFound(Message message) {
2132				SessionID id = otrSession.getSessionID();
2133				try {
2134					message.setCounterpart(Jid.fromString(id.getAccountID() + "/" + id.getUserID()));
2135				} catch (InvalidJidException e) {
2136					return;
2137				}
2138				if (message.needsUploading()) {
2139					mJingleConnectionManager.createNewConnection(message);
2140				} else {
2141					MessagePacket outPacket = mMessageGenerator.generateOtrChat(message);
2142					if (outPacket != null) {
2143						mMessageGenerator.addDelay(outPacket, message.getTimeSent());
2144						message.setStatus(Message.STATUS_SEND);
2145						databaseBackend.updateMessage(message);
2146						sendMessagePacket(account, outPacket);
2147					}
2148				}
2149				updateConversationUi();
2150			}
2151		});
2152	}
2153
2154	public boolean renewSymmetricKey(Conversation conversation) {
2155		Account account = conversation.getAccount();
2156		byte[] symmetricKey = new byte[32];
2157		this.mRandom.nextBytes(symmetricKey);
2158		Session otrSession = conversation.getOtrSession();
2159		if (otrSession != null) {
2160			MessagePacket packet = new MessagePacket();
2161			packet.setType(MessagePacket.TYPE_CHAT);
2162			packet.setFrom(account.getJid());
2163			MessageGenerator.addMessageHints(packet);
2164			packet.setAttribute("to", otrSession.getSessionID().getAccountID() + "/"
2165					+ otrSession.getSessionID().getUserID());
2166			try {
2167				packet.setBody(otrSession
2168						.transformSending(CryptoHelper.FILETRANSFER
2169								+ CryptoHelper.bytesToHex(symmetricKey))[0]);
2170				sendMessagePacket(account, packet);
2171				conversation.setSymmetricKey(symmetricKey);
2172				return true;
2173			} catch (OtrException e) {
2174				return false;
2175			}
2176		}
2177		return false;
2178	}
2179
2180	public void pushContactToServer(final Contact contact) {
2181		contact.resetOption(Contact.Options.DIRTY_DELETE);
2182		contact.setOption(Contact.Options.DIRTY_PUSH);
2183		final Account account = contact.getAccount();
2184		if (account.getStatus() == Account.State.ONLINE) {
2185			final boolean ask = contact.getOption(Contact.Options.ASKING);
2186			final boolean sendUpdates = contact
2187					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
2188					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
2189			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2190			iq.query(Xmlns.ROSTER).addChild(contact.asElement());
2191			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2192			if (sendUpdates) {
2193				sendPresencePacket(account,
2194						mPresenceGenerator.sendPresenceUpdatesTo(contact));
2195			}
2196			if (ask) {
2197				sendPresencePacket(account,
2198						mPresenceGenerator.requestPresenceUpdatesFrom(contact));
2199			}
2200		}
2201	}
2202
2203	public void publishAvatar(final Account account,
2204							  final Uri image,
2205							  final UiCallback<Avatar> callback) {
2206		final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2207		final int size = Config.AVATAR_SIZE;
2208		final Avatar avatar = getFileBackend()
2209				.getPepAvatar(image, size, format);
2210		if (avatar != null) {
2211			avatar.height = size;
2212			avatar.width = size;
2213			if (format.equals(Bitmap.CompressFormat.WEBP)) {
2214				avatar.type = "image/webp";
2215			} else if (format.equals(Bitmap.CompressFormat.JPEG)) {
2216				avatar.type = "image/jpeg";
2217			} else if (format.equals(Bitmap.CompressFormat.PNG)) {
2218				avatar.type = "image/png";
2219			}
2220			if (!getFileBackend().save(avatar)) {
2221				callback.error(R.string.error_saving_avatar, avatar);
2222				return;
2223			}
2224			final IqPacket packet = this.mIqGenerator.publishAvatar(avatar);
2225			this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2226
2227				@Override
2228				public void onIqPacketReceived(Account account, IqPacket result) {
2229					if (result.getType() == IqPacket.TYPE.RESULT) {
2230						final IqPacket packet = XmppConnectionService.this.mIqGenerator
2231								.publishAvatarMetadata(avatar);
2232						sendIqPacket(account, packet, new OnIqPacketReceived() {
2233							@Override
2234							public void onIqPacketReceived(Account account, IqPacket result) {
2235								if (result.getType() == IqPacket.TYPE.RESULT) {
2236									if (account.setAvatar(avatar.getFilename())) {
2237										getAvatarService().clear(account);
2238										databaseBackend.updateAccount(account);
2239									}
2240									callback.success(avatar);
2241								} else {
2242									callback.error(
2243											R.string.error_publish_avatar_server_reject,
2244											avatar);
2245								}
2246							}
2247						});
2248					} else {
2249						callback.error(
2250								R.string.error_publish_avatar_server_reject,
2251								avatar);
2252					}
2253				}
2254			});
2255		} else {
2256			callback.error(R.string.error_publish_avatar_converting, null);
2257		}
2258	}
2259
2260	public void fetchAvatar(Account account, Avatar avatar) {
2261		fetchAvatar(account, avatar, null);
2262	}
2263
2264	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2265		final String KEY = generateFetchKey(account, avatar);
2266		synchronized (this.mInProgressAvatarFetches) {
2267			if (this.mInProgressAvatarFetches.contains(KEY)) {
2268				return;
2269			} else {
2270				switch (avatar.origin) {
2271					case PEP:
2272						this.mInProgressAvatarFetches.add(KEY);
2273						fetchAvatarPep(account, avatar, callback);
2274						break;
2275					case VCARD:
2276						this.mInProgressAvatarFetches.add(KEY);
2277						fetchAvatarVcard(account, avatar, callback);
2278						break;
2279				}
2280			}
2281		}
2282	}
2283
2284	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2285		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
2286		sendIqPacket(account, packet, new OnIqPacketReceived() {
2287
2288			@Override
2289			public void onIqPacketReceived(Account account, IqPacket result) {
2290				synchronized (mInProgressAvatarFetches) {
2291					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2292				}
2293				final String ERROR = account.getJid().toBareJid()
2294						+ ": fetching avatar for " + avatar.owner + " failed ";
2295				if (result.getType() == IqPacket.TYPE.RESULT) {
2296					avatar.image = mIqParser.avatarData(result);
2297					if (avatar.image != null) {
2298						if (getFileBackend().save(avatar)) {
2299							if (account.getJid().toBareJid().equals(avatar.owner)) {
2300								if (account.setAvatar(avatar.getFilename())) {
2301									databaseBackend.updateAccount(account);
2302								}
2303								getAvatarService().clear(account);
2304								updateConversationUi();
2305								updateAccountUi();
2306							} else {
2307								Contact contact = account.getRoster()
2308										.getContact(avatar.owner);
2309								contact.setAvatar(avatar);
2310								getAvatarService().clear(contact);
2311								updateConversationUi();
2312								updateRosterUi();
2313							}
2314							if (callback != null) {
2315								callback.success(avatar);
2316							}
2317							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2318									+ ": succesfuly fetched pep avatar for " + avatar.owner);
2319							return;
2320						}
2321					} else {
2322
2323						Log.d(Config.LOGTAG, ERROR + "(parsing error)");
2324					}
2325				} else {
2326					Element error = result.findChild("error");
2327					if (error == null) {
2328						Log.d(Config.LOGTAG, ERROR + "(server error)");
2329					} else {
2330						Log.d(Config.LOGTAG, ERROR + error.toString());
2331					}
2332				}
2333				if (callback != null) {
2334					callback.error(0, null);
2335				}
2336
2337			}
2338		});
2339	}
2340
2341	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2342		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
2343		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2344			@Override
2345			public void onIqPacketReceived(Account account, IqPacket packet) {
2346				synchronized (mInProgressAvatarFetches) {
2347					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2348				}
2349				if (packet.getType() == IqPacket.TYPE.RESULT) {
2350					Element vCard = packet.findChild("vCard", "vcard-temp");
2351					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
2352					String image = photo != null ? photo.findChildContent("BINVAL") : null;
2353					if (image != null) {
2354						avatar.image = image;
2355						if (getFileBackend().save(avatar)) {
2356							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2357									+ ": successfully fetched vCard avatar for " + avatar.owner);
2358							if (avatar.owner.isBareJid()) {
2359								Contact contact = account.getRoster()
2360										.getContact(avatar.owner);
2361								contact.setAvatar(avatar);
2362								getAvatarService().clear(contact);
2363								updateConversationUi();
2364								updateRosterUi();
2365							} else {
2366								Conversation conversation = find(account,avatar.owner.toBareJid());
2367								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
2368									MucOptions.User user = conversation.getMucOptions().findUser(avatar.owner.getResourcepart());
2369									if (user != null) {
2370										user.setAvatar(avatar);
2371									}
2372								}
2373							}
2374						}
2375					}
2376				}
2377			}
2378		});
2379	}
2380
2381	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
2382		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2383		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2384
2385			@Override
2386			public void onIqPacketReceived(Account account, IqPacket packet) {
2387				if (packet.getType() == IqPacket.TYPE.RESULT) {
2388					Element pubsub = packet.findChild("pubsub",
2389							"http://jabber.org/protocol/pubsub");
2390					if (pubsub != null) {
2391						Element items = pubsub.findChild("items");
2392						if (items != null) {
2393							Avatar avatar = Avatar.parseMetadata(items);
2394							if (avatar != null) {
2395								avatar.owner = account.getJid().toBareJid();
2396								if (fileBackend.isAvatarCached(avatar)) {
2397									if (account.setAvatar(avatar.getFilename())) {
2398										databaseBackend.updateAccount(account);
2399									}
2400									getAvatarService().clear(account);
2401									callback.success(avatar);
2402								} else {
2403									fetchAvatarPep(account, avatar, callback);
2404								}
2405								return;
2406							}
2407						}
2408					}
2409				}
2410				callback.error(0, null);
2411			}
2412		});
2413	}
2414
2415	public void deleteContactOnServer(Contact contact) {
2416		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
2417		contact.resetOption(Contact.Options.DIRTY_PUSH);
2418		contact.setOption(Contact.Options.DIRTY_DELETE);
2419		Account account = contact.getAccount();
2420		if (account.getStatus() == Account.State.ONLINE) {
2421			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2422			Element item = iq.query(Xmlns.ROSTER).addChild("item");
2423			item.setAttribute("jid", contact.getJid().toString());
2424			item.setAttribute("subscription", "remove");
2425			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2426		}
2427	}
2428
2429	public void updateConversation(Conversation conversation) {
2430		this.databaseBackend.updateConversation(conversation);
2431	}
2432
2433	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
2434		synchronized (account) {
2435			if (account.getXmppConnection() != null) {
2436				disconnect(account, force);
2437			}
2438			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2439
2440				synchronized (this.mInProgressAvatarFetches) {
2441					for (Iterator<String> iterator = this.mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
2442						final String KEY = iterator.next();
2443						if (KEY.startsWith(account.getJid().toBareJid() + "_")) {
2444							iterator.remove();
2445						}
2446					}
2447				}
2448
2449				if (account.getXmppConnection() == null) {
2450					account.setXmppConnection(createConnection(account));
2451				} else if (!force) {
2452					try {
2453						Log.d(Config.LOGTAG, "wait for disconnect");
2454						Thread.sleep(500); //sleep  wait for disconnect
2455					} catch (InterruptedException e) {
2456						//ignored
2457					}
2458				}
2459				Thread thread = new Thread(account.getXmppConnection());
2460				account.getXmppConnection().setInteractive(interactive);
2461				thread.start();
2462				scheduleWakeUpCall(Config.CONNECT_TIMEOUT, account.getUuid().hashCode());
2463			} else {
2464				account.getRoster().clearPresences();
2465				account.setXmppConnection(null);
2466			}
2467		}
2468	}
2469
2470	public void reconnectAccountInBackground(final Account account) {
2471		new Thread(new Runnable() {
2472			@Override
2473			public void run() {
2474				reconnectAccount(account, false, true);
2475			}
2476		}).start();
2477	}
2478
2479	public void invite(Conversation conversation, Jid contact) {
2480		Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": inviting " + contact + " to " + conversation.getJid().toBareJid());
2481		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
2482		sendMessagePacket(conversation.getAccount(), packet);
2483	}
2484
2485	public void directInvite(Conversation conversation, Jid jid) {
2486		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
2487		sendMessagePacket(conversation.getAccount(), packet);
2488	}
2489
2490	public void resetSendingToWaiting(Account account) {
2491		for (Conversation conversation : getConversations()) {
2492			if (conversation.getAccount() == account) {
2493				conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
2494
2495					@Override
2496					public void onMessageFound(Message message) {
2497						markMessage(message, Message.STATUS_WAITING);
2498					}
2499				});
2500			}
2501		}
2502	}
2503
2504	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
2505		if (uuid == null) {
2506			return null;
2507		}
2508		for (Conversation conversation : getConversations()) {
2509			if (conversation.getJid().toBareJid().equals(recipient) && conversation.getAccount() == account) {
2510				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
2511				if (message != null) {
2512					markMessage(message, status);
2513				}
2514				return message;
2515			}
2516		}
2517		return null;
2518	}
2519
2520	public boolean markMessage(Conversation conversation, String uuid, int status) {
2521		if (uuid == null) {
2522			return false;
2523		} else {
2524			Message message = conversation.findSentMessageWithUuid(uuid);
2525			if (message != null) {
2526				markMessage(message, status);
2527				return true;
2528			} else {
2529				return false;
2530			}
2531		}
2532	}
2533
2534	public void markMessage(Message message, int status) {
2535		if (status == Message.STATUS_SEND_FAILED
2536				&& (message.getStatus() == Message.STATUS_SEND_RECEIVED || message
2537				.getStatus() == Message.STATUS_SEND_DISPLAYED)) {
2538			return;
2539		}
2540		message.setStatus(status);
2541		databaseBackend.updateMessage(message);
2542		updateConversationUi();
2543	}
2544
2545	public SharedPreferences getPreferences() {
2546		return PreferenceManager
2547				.getDefaultSharedPreferences(getApplicationContext());
2548	}
2549
2550	public boolean confirmMessages() {
2551		return getPreferences().getBoolean("confirm_messages", true);
2552	}
2553
2554	public boolean sendChatStates() {
2555		return getPreferences().getBoolean("chat_states", false);
2556	}
2557
2558	public boolean saveEncryptedMessages() {
2559		return !getPreferences().getBoolean("dont_save_encrypted", false);
2560	}
2561
2562	public boolean indicateReceived() {
2563		return getPreferences().getBoolean("indicate_received", false);
2564	}
2565
2566	public boolean useTorToConnect() {
2567		return Config.PARANOID_MODE || getPreferences().getBoolean("use_tor", false);
2568	}
2569
2570	public int unreadCount() {
2571		int count = 0;
2572		for (Conversation conversation : getConversations()) {
2573			count += conversation.unreadCount();
2574		}
2575		return count;
2576	}
2577
2578
2579	public void showErrorToastInUi(int resId) {
2580		if (mOnShowErrorToast != null) {
2581			mOnShowErrorToast.onShowErrorToast(resId);
2582		}
2583	}
2584
2585	public void updateConversationUi() {
2586		if (mOnConversationUpdate != null) {
2587			mOnConversationUpdate.onConversationUpdate();
2588		}
2589	}
2590
2591	public void updateAccountUi() {
2592		if (mOnAccountUpdate != null) {
2593			mOnAccountUpdate.onAccountUpdate();
2594		}
2595	}
2596
2597	public void updateRosterUi() {
2598		if (mOnRosterUpdate != null) {
2599			mOnRosterUpdate.onRosterUpdate();
2600		}
2601	}
2602
2603	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
2604		boolean rc = false;
2605		if (mOnCaptchaRequested != null) {
2606			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
2607			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
2608					(int) (captcha.getHeight() * metrics.scaledDensity), false);
2609
2610			mOnCaptchaRequested.onCaptchaRequested(account, id, data, scaled);
2611			rc = true;
2612		}
2613
2614		return rc;
2615	}
2616
2617	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
2618		if (mOnUpdateBlocklist != null) {
2619			mOnUpdateBlocklist.OnUpdateBlocklist(status);
2620		}
2621	}
2622
2623	public void updateMucRosterUi() {
2624		if (mOnMucRosterUpdate != null) {
2625			mOnMucRosterUpdate.onMucRosterUpdate();
2626		}
2627	}
2628
2629	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
2630		if (mOnKeyStatusUpdated != null) {
2631			mOnKeyStatusUpdated.onKeyStatusUpdated(report);
2632		}
2633	}
2634
2635	public Account findAccountByJid(final Jid accountJid) {
2636		for (Account account : this.accounts) {
2637			if (account.getJid().toBareJid().equals(accountJid.toBareJid())) {
2638				return account;
2639			}
2640		}
2641		return null;
2642	}
2643
2644	public Conversation findConversationByUuid(String uuid) {
2645		for (Conversation conversation : getConversations()) {
2646			if (conversation.getUuid().equals(uuid)) {
2647				return conversation;
2648			}
2649		}
2650		return null;
2651	}
2652
2653	public void markRead(final Conversation conversation) {
2654		mNotificationService.clear(conversation);
2655		final List<Message> readMessages = conversation.markRead();
2656		if (readMessages.size() > 0) {
2657			Runnable runnable = new Runnable() {
2658				@Override
2659				public void run() {
2660					for (Message message : readMessages) {
2661						databaseBackend.updateMessage(message);
2662					}
2663				}
2664			};
2665			mDatabaseExecutor.execute(runnable);
2666		}
2667		updateUnreadCountBadge();
2668	}
2669
2670	public synchronized void updateUnreadCountBadge() {
2671		int count = unreadCount();
2672		if (unreadCount != count) {
2673			Log.d(Config.LOGTAG, "update unread count to " + count);
2674			if (count > 0) {
2675				ShortcutBadger.with(getApplicationContext()).count(count);
2676			} else {
2677				ShortcutBadger.with(getApplicationContext()).remove();
2678			}
2679			unreadCount = count;
2680		}
2681	}
2682
2683	public void sendReadMarker(final Conversation conversation) {
2684		final Message markable = conversation.getLatestMarkableMessage();
2685		this.markRead(conversation);
2686		if (confirmMessages() && markable != null && markable.getRemoteMsgId() != null) {
2687			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
2688			Account account = conversation.getAccount();
2689			final Jid to = markable.getCounterpart();
2690			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId());
2691			this.sendMessagePacket(conversation.getAccount(), packet);
2692		}
2693		updateConversationUi();
2694	}
2695
2696	public SecureRandom getRNG() {
2697		return this.mRandom;
2698	}
2699
2700	public MemorizingTrustManager getMemorizingTrustManager() {
2701		return this.mMemorizingTrustManager;
2702	}
2703
2704	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
2705		this.mMemorizingTrustManager = trustManager;
2706	}
2707
2708	public void updateMemorizingTrustmanager() {
2709		final MemorizingTrustManager tm;
2710		final boolean dontTrustSystemCAs = getPreferences().getBoolean("dont_trust_system_cas", false);
2711		if (dontTrustSystemCAs) {
2712			tm = new MemorizingTrustManager(getApplicationContext(), null);
2713		} else {
2714			tm = new MemorizingTrustManager(getApplicationContext());
2715		}
2716		setMemorizingTrustManager(tm);
2717	}
2718
2719	public PowerManager getPowerManager() {
2720		return this.pm;
2721	}
2722
2723	public LruCache<String, Bitmap> getBitmapCache() {
2724		return this.mBitmapCache;
2725	}
2726
2727	public void syncRosterToDisk(final Account account) {
2728		Runnable runnable = new Runnable() {
2729
2730			@Override
2731			public void run() {
2732				databaseBackend.writeRoster(account.getRoster());
2733			}
2734		};
2735		mDatabaseExecutor.execute(runnable);
2736
2737	}
2738
2739	public List<String> getKnownHosts() {
2740		final List<String> hosts = new ArrayList<>();
2741		for (final Account account : getAccounts()) {
2742			if (!hosts.contains(account.getServer().toString())) {
2743				hosts.add(account.getServer().toString());
2744			}
2745			for (final Contact contact : account.getRoster().getContacts()) {
2746				if (contact.showInRoster()) {
2747					final String server = contact.getServer().toString();
2748					if (server != null && !hosts.contains(server)) {
2749						hosts.add(server);
2750					}
2751				}
2752			}
2753		}
2754		return hosts;
2755	}
2756
2757	public List<String> getKnownConferenceHosts() {
2758		final ArrayList<String> mucServers = new ArrayList<>();
2759		for (final Account account : accounts) {
2760			if (account.getXmppConnection() != null) {
2761				final String server = account.getXmppConnection().getMucServer();
2762				if (server != null && !mucServers.contains(server)) {
2763					mucServers.add(server);
2764				}
2765			}
2766		}
2767		return mucServers;
2768	}
2769
2770	public void sendMessagePacket(Account account, MessagePacket packet) {
2771		XmppConnection connection = account.getXmppConnection();
2772		if (connection != null) {
2773			connection.sendMessagePacket(packet);
2774		}
2775	}
2776
2777	public void sendPresencePacket(Account account, PresencePacket packet) {
2778		XmppConnection connection = account.getXmppConnection();
2779		if (connection != null) {
2780			connection.sendPresencePacket(packet);
2781		}
2782	}
2783
2784	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
2785		XmppConnection connection = account.getXmppConnection();
2786		if (connection != null) {
2787			connection.sendCaptchaRegistryRequest(id, data);
2788		}
2789	}
2790
2791	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
2792		final XmppConnection connection = account.getXmppConnection();
2793		if (connection != null) {
2794			connection.sendIqPacket(packet, callback);
2795		}
2796	}
2797
2798	public void sendPresence(final Account account) {
2799		sendPresencePacket(account, mPresenceGenerator.selfPresence(account, getTargetPresence()));
2800	}
2801
2802	public void refreshAllPresences() {
2803		for (Account account : getAccounts()) {
2804			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2805				sendPresence(account);
2806			}
2807		}
2808	}
2809
2810	public void sendOfflinePresence(final Account account) {
2811		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
2812	}
2813
2814	public MessageGenerator getMessageGenerator() {
2815		return this.mMessageGenerator;
2816	}
2817
2818	public PresenceGenerator getPresenceGenerator() {
2819		return this.mPresenceGenerator;
2820	}
2821
2822	public IqGenerator getIqGenerator() {
2823		return this.mIqGenerator;
2824	}
2825
2826	public IqParser getIqParser() {
2827		return this.mIqParser;
2828	}
2829
2830	public JingleConnectionManager getJingleConnectionManager() {
2831		return this.mJingleConnectionManager;
2832	}
2833
2834	public MessageArchiveService getMessageArchiveService() {
2835		return this.mMessageArchiveService;
2836	}
2837
2838	public List<Contact> findContacts(Jid jid) {
2839		ArrayList<Contact> contacts = new ArrayList<>();
2840		for (Account account : getAccounts()) {
2841			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2842				Contact contact = account.getRoster().getContactFromRoster(jid);
2843				if (contact != null) {
2844					contacts.add(contact);
2845				}
2846			}
2847		}
2848		return contacts;
2849	}
2850
2851	public NotificationService getNotificationService() {
2852		return this.mNotificationService;
2853	}
2854
2855	public HttpConnectionManager getHttpConnectionManager() {
2856		return this.mHttpConnectionManager;
2857	}
2858
2859	public void resendFailedMessages(final Message message) {
2860		final Collection<Message> messages = new ArrayList<>();
2861		Message current = message;
2862		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
2863			messages.add(current);
2864			if (current.mergeable(current.next())) {
2865				current = current.next();
2866			} else {
2867				break;
2868			}
2869		}
2870		for (final Message msg : messages) {
2871			msg.setTime(System.currentTimeMillis());
2872			markMessage(msg, Message.STATUS_WAITING);
2873			this.resendMessage(msg, false);
2874		}
2875	}
2876
2877	public void clearConversationHistory(final Conversation conversation) {
2878		conversation.clearMessages();
2879		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
2880		conversation.resetLastMessageTransmitted();
2881		Runnable runnable = new Runnable() {
2882			@Override
2883			public void run() {
2884				databaseBackend.deleteMessagesInConversation(conversation);
2885			}
2886		};
2887		mDatabaseExecutor.execute(runnable);
2888	}
2889
2890	public void sendBlockRequest(final Blockable blockable) {
2891		if (blockable != null && blockable.getBlockedJid() != null) {
2892			final Jid jid = blockable.getBlockedJid();
2893			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid), new OnIqPacketReceived() {
2894
2895				@Override
2896				public void onIqPacketReceived(final Account account, final IqPacket packet) {
2897					if (packet.getType() == IqPacket.TYPE.RESULT) {
2898						account.getBlocklist().add(jid);
2899						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
2900					}
2901				}
2902			});
2903		}
2904	}
2905
2906	public void sendUnblockRequest(final Blockable blockable) {
2907		if (blockable != null && blockable.getJid() != null) {
2908			final Jid jid = blockable.getBlockedJid();
2909			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
2910				@Override
2911				public void onIqPacketReceived(final Account account, final IqPacket packet) {
2912					if (packet.getType() == IqPacket.TYPE.RESULT) {
2913						account.getBlocklist().remove(jid);
2914						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
2915					}
2916				}
2917			});
2918		}
2919	}
2920
2921	public void publishDisplayName(Account account) {
2922		String displayName = account.getDisplayName();
2923		if (displayName != null && !displayName.isEmpty()) {
2924			IqPacket publish = mIqGenerator.publishNick(displayName);
2925			sendIqPacket(account, publish, new OnIqPacketReceived() {
2926				@Override
2927				public void onIqPacketReceived(Account account, IqPacket packet) {
2928					if (packet.getType() == IqPacket.TYPE.ERROR) {
2929						Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could not publish nick");
2930					}
2931				}
2932			});
2933		}
2934	}
2935
2936	public interface OnAccountCreated {
2937		void onAccountCreated(Account account);
2938
2939		void informUser(int r);
2940	}
2941
2942	public interface OnMoreMessagesLoaded {
2943		void onMoreMessagesLoaded(int count, Conversation conversation);
2944
2945		void informUser(int r);
2946	}
2947
2948	public interface OnAccountPasswordChanged {
2949		void onPasswordChangeSucceeded();
2950
2951		void onPasswordChangeFailed();
2952	}
2953
2954	public interface OnAffiliationChanged {
2955		void onAffiliationChangedSuccessful(Jid jid);
2956
2957		void onAffiliationChangeFailed(Jid jid, int resId);
2958	}
2959
2960	public interface OnRoleChanged {
2961		void onRoleChangedSuccessful(String nick);
2962
2963		void onRoleChangeFailed(String nick, int resid);
2964	}
2965
2966	public interface OnConversationUpdate {
2967		void onConversationUpdate();
2968	}
2969
2970	public interface OnAccountUpdate {
2971		void onAccountUpdate();
2972	}
2973
2974	public interface OnCaptchaRequested {
2975		void onCaptchaRequested(Account account,
2976								String id,
2977								Data data,
2978								Bitmap captcha);
2979	}
2980
2981	public interface OnRosterUpdate {
2982		void onRosterUpdate();
2983	}
2984
2985	public interface OnMucRosterUpdate {
2986		void onMucRosterUpdate();
2987	}
2988
2989	public interface OnConferenceConfigurationFetched {
2990		void onConferenceConfigurationFetched(Conversation conversation);
2991
2992		void onFetchFailed(Conversation conversation, Element error);
2993	}
2994
2995	public interface OnConferenceJoined {
2996		void onConferenceJoined(Conversation conversation);
2997	}
2998
2999	public interface OnConferenceOptionsPushed {
3000		void onPushSucceeded();
3001
3002		void onPushFailed();
3003	}
3004
3005	public interface OnShowErrorToast {
3006		void onShowErrorToast(int resId);
3007	}
3008
3009	public class XmppConnectionBinder extends Binder {
3010		public XmppConnectionService getService() {
3011			return XmppConnectionService.this;
3012		}
3013	}
3014}