XmppConnectionService.java

   1package eu.siacs.conversations.services;
   2
   3import android.annotation.SuppressLint;
   4import android.annotation.TargetApi;
   5import android.app.AlarmManager;
   6import android.app.PendingIntent;
   7import android.app.Service;
   8import android.content.Context;
   9import android.content.Intent;
  10import android.content.IntentFilter;
  11import android.content.SharedPreferences;
  12import android.database.ContentObserver;
  13import android.graphics.Bitmap;
  14import android.media.AudioManager;
  15import android.net.ConnectivityManager;
  16import android.net.NetworkInfo;
  17import android.net.Uri;
  18import android.os.Binder;
  19import android.os.Build;
  20import android.os.Bundle;
  21import android.os.Environment;
  22import android.os.IBinder;
  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.support.v4.app.RemoteInput;
  30import android.util.DisplayMetrics;
  31import android.util.Log;
  32import android.util.LruCache;
  33import android.util.Pair;
  34
  35import net.java.otr4j.OtrException;
  36import net.java.otr4j.session.Session;
  37import net.java.otr4j.session.SessionID;
  38import net.java.otr4j.session.SessionImpl;
  39import net.java.otr4j.session.SessionStatus;
  40
  41import org.openintents.openpgp.IOpenPgpService2;
  42import org.openintents.openpgp.util.OpenPgpApi;
  43import org.openintents.openpgp.util.OpenPgpServiceConnection;
  44
  45import java.math.BigInteger;
  46import java.security.SecureRandom;
  47import java.security.cert.CertificateException;
  48import java.security.cert.X509Certificate;
  49import java.util.ArrayList;
  50import java.util.Arrays;
  51import java.util.Collection;
  52import java.util.Collections;
  53import java.util.HashMap;
  54import java.util.HashSet;
  55import java.util.Hashtable;
  56import java.util.Iterator;
  57import java.util.List;
  58import java.util.Locale;
  59import java.util.Map;
  60import java.util.concurrent.CopyOnWriteArrayList;
  61
  62import de.duenndns.ssl.MemorizingTrustManager;
  63import eu.siacs.conversations.Config;
  64import eu.siacs.conversations.R;
  65import eu.siacs.conversations.crypto.PgpDecryptionService;
  66import eu.siacs.conversations.crypto.PgpEngine;
  67import eu.siacs.conversations.crypto.axolotl.AxolotlService;
  68import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  69import eu.siacs.conversations.entities.Account;
  70import eu.siacs.conversations.entities.Blockable;
  71import eu.siacs.conversations.entities.Bookmark;
  72import eu.siacs.conversations.entities.Contact;
  73import eu.siacs.conversations.entities.Conversation;
  74import eu.siacs.conversations.entities.DownloadableFile;
  75import eu.siacs.conversations.entities.Message;
  76import eu.siacs.conversations.entities.MucOptions;
  77import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  78import eu.siacs.conversations.entities.Presence;
  79import eu.siacs.conversations.entities.PresenceTemplate;
  80import eu.siacs.conversations.entities.Roster;
  81import eu.siacs.conversations.entities.ServiceDiscoveryResult;
  82import eu.siacs.conversations.entities.Transferable;
  83import eu.siacs.conversations.entities.TransferablePlaceholder;
  84import eu.siacs.conversations.generator.AbstractGenerator;
  85import eu.siacs.conversations.generator.IqGenerator;
  86import eu.siacs.conversations.generator.MessageGenerator;
  87import eu.siacs.conversations.generator.PresenceGenerator;
  88import eu.siacs.conversations.http.HttpConnectionManager;
  89import eu.siacs.conversations.parser.AbstractParser;
  90import eu.siacs.conversations.parser.IqParser;
  91import eu.siacs.conversations.parser.MessageParser;
  92import eu.siacs.conversations.parser.PresenceParser;
  93import eu.siacs.conversations.persistance.DatabaseBackend;
  94import eu.siacs.conversations.persistance.FileBackend;
  95import eu.siacs.conversations.ui.UiCallback;
  96import eu.siacs.conversations.utils.ConversationsFileObserver;
  97import eu.siacs.conversations.utils.CryptoHelper;
  98import eu.siacs.conversations.utils.ExceptionHelper;
  99import eu.siacs.conversations.utils.OnPhoneContactsLoadedListener;
 100import eu.siacs.conversations.utils.PRNGFixes;
 101import eu.siacs.conversations.utils.PhoneHelper;
 102import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 103import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 104import eu.siacs.conversations.utils.Xmlns;
 105import eu.siacs.conversations.xml.Element;
 106import eu.siacs.conversations.xmpp.OnBindListener;
 107import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 108import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 109import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 110import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 111import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 112import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 113import eu.siacs.conversations.xmpp.OnStatusChanged;
 114import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 115import eu.siacs.conversations.xmpp.XmppConnection;
 116import eu.siacs.conversations.xmpp.chatstate.ChatState;
 117import eu.siacs.conversations.xmpp.forms.Data;
 118import eu.siacs.conversations.xmpp.forms.Field;
 119import eu.siacs.conversations.xmpp.jid.InvalidJidException;
 120import eu.siacs.conversations.xmpp.jid.Jid;
 121import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 122import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 123import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 124import eu.siacs.conversations.xmpp.pep.Avatar;
 125import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 126import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 127import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 128import me.leolin.shortcutbadger.ShortcutBadger;
 129
 130public class XmppConnectionService extends Service {
 131
 132	public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 133	public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 134	public static final String ACTION_DISABLE_FOREGROUND = "disable_foreground";
 135	public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 136	public static final String ACTION_TRY_AGAIN = "try_again";
 137	public static final String ACTION_IDLE_PING = "idle_ping";
 138	private static final String ACTION_MERGE_PHONE_CONTACTS = "merge_phone_contacts";
 139	public static final String ACTION_GCM_TOKEN_REFRESH = "gcm_token_refresh";
 140	public static final String ACTION_GCM_MESSAGE_RECEIVED = "gcm_message_received";
 141	private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor();
 142	private final SerialSingleThreadExecutor mDatabaseExecutor = new SerialSingleThreadExecutor();
 143	private ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor(true);
 144	private final IBinder mBinder = new XmppConnectionBinder();
 145	private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 146	private final IqGenerator mIqGenerator = new IqGenerator(this);
 147	private final List<String> mInProgressAvatarFetches = new ArrayList<>();
 148
 149	private long mLastActivity = 0;
 150
 151	public DatabaseBackend databaseBackend;
 152	private ContentObserver contactObserver = new ContentObserver(null) {
 153		@Override
 154		public void onChange(boolean selfChange) {
 155			super.onChange(selfChange);
 156			Intent intent = new Intent(getApplicationContext(),
 157					XmppConnectionService.class);
 158			intent.setAction(ACTION_MERGE_PHONE_CONTACTS);
 159			startService(intent);
 160		}
 161	};
 162	private FileBackend fileBackend = new FileBackend(this);
 163	private MemorizingTrustManager mMemorizingTrustManager;
 164	private NotificationService mNotificationService = new NotificationService(
 165			this);
 166	private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 167	private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 168	private IqParser mIqParser = new IqParser(this);
 169	private OnIqPacketReceived mDefaultIqHandler = new OnIqPacketReceived() {
 170		@Override
 171		public void onIqPacketReceived(Account account, IqPacket packet) {
 172			if (packet.getType() != IqPacket.TYPE.RESULT) {
 173				Element error = packet.findChild("error");
 174				String text = error != null ? error.findChildContent("text") : null;
 175				if (text != null) {
 176					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": received iq error - " + text);
 177				}
 178			}
 179		}
 180	};
 181	private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 182	private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 183	private List<Account> accounts;
 184	private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 185			this);
 186	public OnContactStatusChanged onContactStatusChanged = new OnContactStatusChanged() {
 187
 188		@Override
 189		public void onContactStatusChanged(Contact contact, boolean online) {
 190			Conversation conversation = find(getConversations(), contact);
 191			if (conversation != null) {
 192				if (online) {
 193					conversation.endOtrIfNeeded();
 194					if (contact.getPresences().size() == 1) {
 195						sendUnsentMessages(conversation);
 196					}
 197				} else {
 198					//check if the resource we are haveing a conversation with is still online
 199					if (conversation.hasValidOtrSession()) {
 200						String otrResource = conversation.getOtrSession().getSessionID().getUserID();
 201						if (!(Arrays.asList(contact.getPresences().toResourceArray()).contains(otrResource))) {
 202							conversation.endOtrIfNeeded();
 203						}
 204					}
 205				}
 206			}
 207		}
 208	};
 209	private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(
 210			this);
 211	private AvatarService mAvatarService = new AvatarService(this);
 212	private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 213	private PushManagementService mPushManagementService = new PushManagementService(this);
 214	private OnConversationUpdate mOnConversationUpdate = null;
 215
 216
 217	private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 218			Environment.getExternalStorageDirectory().getAbsolutePath()
 219	) {
 220		@Override
 221		public void onEvent(int event, String path) {
 222			markFileDeleted(path);
 223		}
 224	};
 225	private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 226
 227		@Override
 228		public void onJinglePacketReceived(Account account, JinglePacket packet) {
 229			mJingleConnectionManager.deliverPacket(account, packet);
 230		}
 231	};
 232	private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 233
 234		@Override
 235		public void onMessageAcknowledged(Account account, String uuid) {
 236			for (final Conversation conversation : getConversations()) {
 237				if (conversation.getAccount() == account) {
 238					Message message = conversation.findUnsentMessageWithUuid(uuid);
 239					if (message != null) {
 240						markMessage(message, Message.STATUS_SEND);
 241					}
 242				}
 243			}
 244		}
 245	};
 246	private int convChangedListenerCount = 0;
 247	private OnShowErrorToast mOnShowErrorToast = null;
 248	private int showErrorToastListenerCount = 0;
 249	private int unreadCount = -1;
 250	private OnAccountUpdate mOnAccountUpdate = null;
 251	private OnCaptchaRequested mOnCaptchaRequested = null;
 252	private int accountChangedListenerCount = 0;
 253	private int captchaRequestedListenerCount = 0;
 254	private OnRosterUpdate mOnRosterUpdate = null;
 255	private OnUpdateBlocklist mOnUpdateBlocklist = null;
 256	private int updateBlocklistListenerCount = 0;
 257	private int rosterChangedListenerCount = 0;
 258	private OnMucRosterUpdate mOnMucRosterUpdate = null;
 259	private int mucRosterChangedListenerCount = 0;
 260	private OnKeyStatusUpdated mOnKeyStatusUpdated = null;
 261	private int keyStatusUpdatedListenerCount = 0;
 262	private SecureRandom mRandom;
 263	private LruCache<Pair<String,String>,ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 264	private final OnBindListener mOnBindListener = new OnBindListener() {
 265
 266		@Override
 267		public void onBind(final Account account) {
 268			synchronized (mInProgressAvatarFetches) {
 269				for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 270					final String KEY = iterator.next();
 271					if (KEY.startsWith(account.getJid().toBareJid() + "_")) {
 272						iterator.remove();
 273					}
 274				}
 275			}
 276			account.getRoster().clearPresences();
 277			mJingleConnectionManager.cancelInTransmission();
 278			fetchRosterFromServer(account);
 279			fetchBookmarks(account);
 280			sendPresence(account);
 281			if (mPushManagementService.available(account)) {
 282				mPushManagementService.registerPushTokenOnServer(account);
 283			}
 284			connectMultiModeConversations(account);
 285			syncDirtyContacts(account);
 286		}
 287	};
 288	private OnStatusChanged statusListener = new OnStatusChanged() {
 289
 290		@Override
 291		public void onStatusChanged(final Account account) {
 292			XmppConnection connection = account.getXmppConnection();
 293			if (mOnAccountUpdate != null) {
 294				mOnAccountUpdate.onAccountUpdate();
 295			}
 296			if (account.getStatus() == Account.State.ONLINE) {
 297				if (account.setShowErrorNotification(true)) {
 298					databaseBackend.updateAccount(account);
 299				}
 300				mMessageArchiveService.executePendingQueries(account);
 301				if (connection != null && connection.getFeatures().csi()) {
 302					if (checkListeners()) {
 303						Log.d(Config.LOGTAG, account.getJid().toBareJid() + " sending csi//inactive");
 304						connection.sendInactive();
 305					} else {
 306						Log.d(Config.LOGTAG, account.getJid().toBareJid() + " sending csi//active");
 307						connection.sendActive();
 308					}
 309				}
 310				List<Conversation> conversations = getConversations();
 311				for (Conversation conversation : conversations) {
 312					if (conversation.getAccount() == account
 313							&& !account.pendingConferenceJoins.contains(conversation)) {
 314						if (!conversation.startOtrIfNeeded()) {
 315							Log.d(Config.LOGTAG,account.getJid().toBareJid()+": couldn't start OTR with "+conversation.getContact().getJid()+" when needed");
 316						}
 317						sendUnsentMessages(conversation);
 318					}
 319				}
 320				for (Conversation conversation : account.pendingConferenceLeaves) {
 321					leaveMuc(conversation);
 322				}
 323				account.pendingConferenceLeaves.clear();
 324				for (Conversation conversation : account.pendingConferenceJoins) {
 325					joinMuc(conversation);
 326				}
 327				account.pendingConferenceJoins.clear();
 328				scheduleWakeUpCall(Config.PUSH_MODE ? Config.PING_MIN_INTERVAL : Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 329			} else if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 330				resetSendingToWaiting(account);
 331				final boolean disabled = account.isOptionSet(Account.OPTION_DISABLED);
 332				final boolean listeners = checkListeners();
 333				final boolean pushMode = Config.PUSH_MODE
 334						&& mPushManagementService.available(account)
 335						&& listeners;
 336				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": push mode="+Boolean.toString(pushMode)+" listeners="+Boolean.toString(listeners));
 337				if (!disabled && !pushMode) {
 338					int timeToReconnect = mRandom.nextInt(20) + 10;
 339					scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 340				}
 341			} else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 342				databaseBackend.updateAccount(account);
 343				reconnectAccount(account, true, false);
 344			} else if ((account.getStatus() != Account.State.CONNECTING)
 345					&& (account.getStatus() != Account.State.NO_INTERNET)) {
 346				resetSendingToWaiting(account);
 347				if (connection != null) {
 348					int next = connection.getTimeToNextAttempt();
 349					Log.d(Config.LOGTAG, account.getJid().toBareJid()
 350							+ ": error connecting account. try again in "
 351							+ next + "s for the "
 352							+ (connection.getAttempt() + 1) + " time");
 353					scheduleWakeUpCall(next, account.getUuid().hashCode());
 354				}
 355			}
 356			getNotificationService().updateErrorNotification();
 357		}
 358	};
 359	private OpenPgpServiceConnection pgpServiceConnection;
 360	private PgpEngine mPgpEngine = null;
 361	private WakeLock wakeLock;
 362	private PowerManager pm;
 363	private LruCache<String, Bitmap> mBitmapCache;
 364	private EventReceiver mEventReceiver = new EventReceiver();
 365
 366	private boolean mRestoredFromDatabase = false;
 367
 368	private static String generateFetchKey(Account account, final Avatar avatar) {
 369		return account.getJid().toBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 370	}
 371
 372	public boolean areMessagesInitialized() {
 373		return this.mRestoredFromDatabase;
 374	}
 375
 376	public PgpEngine getPgpEngine() {
 377		if (!Config.supportOpenPgp()) {
 378			return null;
 379		} else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 380			if (this.mPgpEngine == null) {
 381				this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 382						getApplicationContext(),
 383						pgpServiceConnection.getService()), this);
 384			}
 385			return mPgpEngine;
 386		} else {
 387			return null;
 388		}
 389
 390	}
 391
 392	public OpenPgpApi getOpenPgpApi() {
 393		if (!Config.supportOpenPgp()) {
 394			return null;
 395		} else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 396			return new OpenPgpApi(this, pgpServiceConnection.getService());
 397		} else {
 398			return null;
 399		}
 400	}
 401
 402	public FileBackend getFileBackend() {
 403		return this.fileBackend;
 404	}
 405
 406	public AvatarService getAvatarService() {
 407		return this.mAvatarService;
 408	}
 409
 410	public void attachLocationToConversation(final Conversation conversation,
 411											 final Uri uri,
 412											 final UiCallback<Message> callback) {
 413		int encryption = conversation.getNextEncryption();
 414		if (encryption == Message.ENCRYPTION_PGP) {
 415			encryption = Message.ENCRYPTION_DECRYPTED;
 416		}
 417		Message message = new Message(conversation, uri.toString(), encryption);
 418		if (conversation.getNextCounterpart() != null) {
 419			message.setCounterpart(conversation.getNextCounterpart());
 420		}
 421		if (encryption == Message.ENCRYPTION_DECRYPTED) {
 422			getPgpEngine().encrypt(message, callback);
 423		} else {
 424			callback.success(message);
 425		}
 426	}
 427
 428	public void attachFileToConversation(final Conversation conversation,
 429										 final Uri uri,
 430										 final UiCallback<Message> callback) {
 431		if (FileBackend.weOwnFile(this, uri)) {
 432			Log.d(Config.LOGTAG,"trying to attach file that belonged to us");
 433			callback.error(R.string.security_error_invalid_file_access, null);
 434			return;
 435		}
 436		final Message message;
 437		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 438			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 439		} else {
 440			message = new Message(conversation, "", conversation.getNextEncryption());
 441		}
 442		message.setCounterpart(conversation.getNextCounterpart());
 443		message.setType(Message.TYPE_FILE);
 444		final String path = getFileBackend().getOriginalPath(uri);
 445		mFileAddingExecutor.execute(new Runnable() {
 446			@Override
 447			public void run() {
 448				if (path != null) {
 449					message.setRelativeFilePath(path);
 450					getFileBackend().updateFileParams(message);
 451					if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 452						getPgpEngine().encrypt(message, callback);
 453					} else {
 454						callback.success(message);
 455					}
 456				} else {
 457					try {
 458						getFileBackend().copyFileToPrivateStorage(message, uri);
 459						getFileBackend().updateFileParams(message);
 460						if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 461							final PgpEngine pgpEngine = getPgpEngine();
 462							if (pgpEngine != null) {
 463								pgpEngine.encrypt(message, callback);
 464							} else if (callback != null) {
 465								callback.error(R.string.unable_to_connect_to_keychain, null);
 466							}
 467						} else {
 468							callback.success(message);
 469						}
 470					} catch (FileBackend.FileCopyException e) {
 471						callback.error(e.getResId(), message);
 472					}
 473				}
 474			}
 475		});
 476	}
 477
 478	public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 479		if (FileBackend.weOwnFile(this, uri)) {
 480			Log.d(Config.LOGTAG,"trying to attach file that belonged to us");
 481			callback.error(R.string.security_error_invalid_file_access, null);
 482			return;
 483		}
 484		final String compressPictures = getCompressPicturesPreference();
 485		if ("never".equals(compressPictures)
 486				|| ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))) {
 487			Log.d(Config.LOGTAG,conversation.getAccount().getJid().toBareJid()+ ": not compressing picture. sending as file");
 488			attachFileToConversation(conversation, uri, callback);
 489			return;
 490		}
 491		final Message message;
 492		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 493			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 494		} else {
 495			message = new Message(conversation, "", conversation.getNextEncryption());
 496		}
 497		message.setCounterpart(conversation.getNextCounterpart());
 498		message.setType(Message.TYPE_IMAGE);
 499		mFileAddingExecutor.execute(new Runnable() {
 500
 501			@Override
 502			public void run() {
 503				try {
 504					getFileBackend().copyImageToPrivateStorage(message, uri);
 505					if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 506						final PgpEngine pgpEngine = getPgpEngine();
 507						if (pgpEngine != null) {
 508							pgpEngine.encrypt(message, callback);
 509						} else if (callback != null){
 510							callback.error(R.string.unable_to_connect_to_keychain, null);
 511						}
 512					} else {
 513						callback.success(message);
 514					}
 515				} catch (final FileBackend.FileCopyException e) {
 516					callback.error(e.getResId(), message);
 517				}
 518			}
 519		});
 520	}
 521
 522	public Conversation find(Bookmark bookmark) {
 523		return find(bookmark.getAccount(), bookmark.getJid());
 524	}
 525
 526	public Conversation find(final Account account, final Jid jid) {
 527		return find(getConversations(), account, jid);
 528	}
 529
 530	@Override
 531	public int onStartCommand(Intent intent, int flags, int startId) {
 532		final String action = intent == null ? null : intent.getAction();
 533		String pushedAccountHash = null;
 534		boolean interactive = false;
 535		if (action != null) {
 536			final Conversation c = findConversationByUuid(intent.getStringExtra("uuid"));
 537			switch (action) {
 538				case ConnectivityManager.CONNECTIVITY_ACTION:
 539					if (hasInternetConnection() && Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 540						resetAllAttemptCounts(true);
 541					}
 542					break;
 543				case ACTION_MERGE_PHONE_CONTACTS:
 544					if (mRestoredFromDatabase) {
 545						loadPhoneContacts();
 546					}
 547					return START_STICKY;
 548				case Intent.ACTION_SHUTDOWN:
 549					logoutAndSave(true);
 550					return START_NOT_STICKY;
 551				case ACTION_CLEAR_NOTIFICATION:
 552					if (c != null) {
 553						mNotificationService.clear(c);
 554					} else {
 555						mNotificationService.clear();
 556					}
 557					break;
 558				case ACTION_DISABLE_FOREGROUND:
 559					getPreferences().edit().putBoolean("keep_foreground_service", false).commit();
 560					toggleForegroundService();
 561					break;
 562				case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 563					dismissErrorNotifications();
 564					break;
 565				case ACTION_TRY_AGAIN:
 566					resetAllAttemptCounts(false);
 567					interactive = true;
 568					break;
 569				case ACTION_REPLY_TO_CONVERSATION:
 570					Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 571					if (remoteInput != null && c != null) {
 572						final CharSequence body = remoteInput.getCharSequence("text_reply");
 573						if (body != null && body.length() > 0) {
 574							directReply(c, body.toString(),intent.getBooleanExtra("dismiss_notification",false));
 575						}
 576					}
 577					break;
 578				case AudioManager.RINGER_MODE_CHANGED_ACTION:
 579					if (xaOnSilentMode()) {
 580						refreshAllPresences();
 581					}
 582					break;
 583				case Intent.ACTION_SCREEN_ON:
 584					deactivateGracePeriod();
 585				case Intent.ACTION_SCREEN_OFF:
 586					if (awayWhenScreenOff()) {
 587						refreshAllPresences();
 588					}
 589					break;
 590				case ACTION_GCM_TOKEN_REFRESH:
 591					refreshAllGcmTokens();
 592					break;
 593				case ACTION_IDLE_PING:
 594					if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M
 595							&& !Config.PUSH_MODE) {
 596						scheduleNextIdlePing();
 597					}
 598					break;
 599				case ACTION_GCM_MESSAGE_RECEIVED:
 600					Log.d(Config.LOGTAG,"gcm push message arrived in service. extras="+intent.getExtras());
 601					pushedAccountHash = intent.getStringExtra("account");
 602					break;
 603			}
 604		}
 605		this.wakeLock.acquire();
 606
 607		boolean pingNow = false;
 608		HashSet<Account> pingCandidates = new HashSet<>();
 609
 610		for (Account account : accounts) {
 611			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 612				if (!hasInternetConnection()) {
 613					account.setStatus(Account.State.NO_INTERNET);
 614					if (statusListener != null) {
 615						statusListener.onStatusChanged(account);
 616					}
 617				} else {
 618					if (account.getStatus() == Account.State.NO_INTERNET) {
 619						account.setStatus(Account.State.OFFLINE);
 620						if (statusListener != null) {
 621							statusListener.onStatusChanged(account);
 622						}
 623					}
 624					if (account.getStatus() == Account.State.ONLINE) {
 625						long lastReceived = account.getXmppConnection().getLastPacketReceived();
 626						long lastSent = account.getXmppConnection().getLastPingSent();
 627						long pingInterval = (Config.PUSH_MODE || "ui".equals(action)) ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 628						long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 629						long pingTimeoutIn = (lastSent + Config.PING_TIMEOUT * 1000) - SystemClock.elapsedRealtime();
 630						if (lastSent > lastReceived) {
 631							if (pingTimeoutIn < 0) {
 632								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": ping timeout");
 633								this.reconnectAccount(account, true, interactive);
 634							} else {
 635								int secs = (int) (pingTimeoutIn / 1000);
 636								this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 637							}
 638						} else {
 639							pingCandidates.add(account);
 640							if (msToNextPing <= 0 || CryptoHelper.getAccountFingerprint(account).equals(pushedAccountHash)) {
 641								pingNow = true;
 642							} else {
 643								this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 644							}
 645						}
 646					} else if (account.getStatus() == Account.State.OFFLINE) {
 647						reconnectAccount(account, true, interactive);
 648					} else if (account.getStatus() == Account.State.CONNECTING) {
 649						long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 650						long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 651						long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 652						long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 653						if (timeout < 0) {
 654							Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting");
 655							account.getXmppConnection().resetAttemptCount();
 656							reconnectAccount(account, true, interactive);
 657						} else if (discoTimeout < 0) {
 658							account.getXmppConnection().sendDiscoTimeout();
 659							scheduleWakeUpCall((int) Math.min(timeout,discoTimeout), account.getUuid().hashCode());
 660						} else {
 661							scheduleWakeUpCall((int) Math.min(timeout,discoTimeout), account.getUuid().hashCode());
 662						}
 663					} else {
 664						if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 665							reconnectAccount(account, true, interactive);
 666						}
 667					}
 668				}
 669				if (mOnAccountUpdate != null) {
 670					mOnAccountUpdate.onAccountUpdate();
 671				}
 672			}
 673		}
 674		if (pingNow) {
 675			final boolean listeners = checkListeners();
 676			for (Account account : pingCandidates) {
 677				if (listeners
 678						&& Config.PUSH_MODE
 679						&& mPushManagementService.available(account)) {
 680					account.getXmppConnection().waitForPush();
 681					cancelWakeUpCall(account.getUuid().hashCode());
 682				} else {
 683					account.getXmppConnection().sendPing();
 684					Log.d(Config.LOGTAG, account.getJid().toBareJid() + " send ping (action=" + action + ",listeners="+Boolean.toString(listeners)+")");
 685					scheduleWakeUpCall(Config.PING_TIMEOUT, account.getUuid().hashCode());
 686				}
 687			}
 688		}
 689		if (wakeLock.isHeld()) {
 690			try {
 691				wakeLock.release();
 692			} catch (final RuntimeException ignored) {
 693			}
 694		}
 695		return START_STICKY;
 696	}
 697
 698	public boolean isDataSaverDisabled() {
 699		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 700			ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 701			return !connectivityManager.isActiveNetworkMetered()
 702					|| connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 703		} else {
 704			return true;
 705		}
 706	}
 707
 708	private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 709		Message message = new Message(conversation,body,conversation.getNextEncryption());
 710		message.markUnread();
 711		if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 712			getPgpEngine().encrypt(message, new UiCallback<Message>() {
 713				@Override
 714				public void success(Message message) {
 715					message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 716					sendMessage(message);
 717					if (dismissAfterReply) {
 718						markRead(message.getConversation(),true);
 719					} else {
 720						mNotificationService.pushFromDirectReply(message);
 721					}
 722				}
 723
 724				@Override
 725				public void error(int errorCode, Message object) {
 726
 727				}
 728
 729				@Override
 730				public void userInputRequried(PendingIntent pi, Message object) {
 731
 732				}
 733			});
 734		} else {
 735			sendMessage(message);
 736			if (dismissAfterReply) {
 737				markRead(conversation,true);
 738			} else {
 739				mNotificationService.pushFromDirectReply(message);
 740			}
 741		}
 742	}
 743
 744	private boolean xaOnSilentMode() {
 745		return getPreferences().getBoolean("xa_on_silent_mode", false);
 746	}
 747
 748	private boolean manuallyChangePresence() {
 749		return getPreferences().getBoolean("manually_change_presence", false);
 750	}
 751
 752	private boolean treatVibrateAsSilent() {
 753		return getPreferences().getBoolean("treat_vibrate_as_silent", false);
 754	}
 755
 756	private boolean awayWhenScreenOff() {
 757		return getPreferences().getBoolean("away_when_screen_off", false);
 758	}
 759
 760	private String getCompressPicturesPreference() {
 761		return getPreferences().getString("picture_compression", "auto");
 762	}
 763
 764	private Presence.Status getTargetPresence() {
 765		if (xaOnSilentMode() && isPhoneSilenced()) {
 766			return Presence.Status.XA;
 767		} else if (awayWhenScreenOff() && !isInteractive()) {
 768			return Presence.Status.AWAY;
 769		} else {
 770			return Presence.Status.ONLINE;
 771		}
 772	}
 773
 774	@SuppressLint("NewApi")
 775	@SuppressWarnings("deprecation")
 776	public boolean isInteractive() {
 777		final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 778
 779		final boolean isScreenOn;
 780		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 781			isScreenOn = pm.isScreenOn();
 782		} else {
 783			isScreenOn = pm.isInteractive();
 784		}
 785		return isScreenOn;
 786	}
 787
 788	private boolean isPhoneSilenced() {
 789		AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 790		try {
 791			if (treatVibrateAsSilent()) {
 792				return audioManager.getRingerMode() != AudioManager.RINGER_MODE_NORMAL;
 793			} else {
 794				return audioManager.getRingerMode() == AudioManager.RINGER_MODE_SILENT;
 795			}
 796		} catch (Throwable throwable) {
 797			Log.d(Config.LOGTAG,"platform bug in isPhoneSilenced ("+ throwable.getMessage()+")");
 798			return false;
 799		}
 800	}
 801
 802	private void resetAllAttemptCounts(boolean reallyAll) {
 803		Log.d(Config.LOGTAG, "resetting all attempt counts");
 804		for (Account account : accounts) {
 805			if (account.hasErrorStatus() || reallyAll) {
 806				final XmppConnection connection = account.getXmppConnection();
 807				if (connection != null) {
 808					connection.resetAttemptCount();
 809				}
 810			}
 811			if (account.setShowErrorNotification(true)) {
 812				databaseBackend.updateAccount(account);
 813			}
 814		}
 815		mNotificationService.updateErrorNotification();
 816	}
 817
 818	private void dismissErrorNotifications() {
 819		for (final Account account : this.accounts) {
 820			if (account.hasErrorStatus()) {
 821				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": dismissing error notification");
 822				if (account.setShowErrorNotification(false)) {
 823					databaseBackend.updateAccount(account);
 824				}
 825			}
 826		}
 827	}
 828
 829	public boolean hasInternetConnection() {
 830		ConnectivityManager cm = (ConnectivityManager) getApplicationContext()
 831				.getSystemService(Context.CONNECTIVITY_SERVICE);
 832		NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
 833		return activeNetwork != null && activeNetwork.isConnected();
 834	}
 835
 836	@SuppressLint("TrulyRandom")
 837	@Override
 838	public void onCreate() {
 839		ExceptionHelper.init(getApplicationContext());
 840		PRNGFixes.apply();
 841		this.mRandom = new SecureRandom();
 842		updateMemorizingTrustmanager();
 843		final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
 844		final int cacheSize = maxMemory / 8;
 845		this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
 846			@Override
 847			protected int sizeOf(final String key, final Bitmap bitmap) {
 848				return bitmap.getByteCount() / 1024;
 849			}
 850		};
 851
 852		this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
 853		this.accounts = databaseBackend.getAccounts();
 854
 855		restoreFromDatabase();
 856
 857		getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, contactObserver);
 858		new Thread(new Runnable() {
 859			@Override
 860			public void run() {
 861				fileObserver.startWatching();
 862			}
 863		}).start();
 864		if (Config.supportOpenPgp()) {
 865			this.pgpServiceConnection = new OpenPgpServiceConnection(getApplicationContext(), "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
 866				@Override
 867				public void onBound(IOpenPgpService2 service) {
 868					for (Account account : accounts) {
 869						final PgpDecryptionService pgp = account.getPgpDecryptionService();
 870						if(pgp != null) {
 871							pgp.continueDecryption(true);
 872						}
 873					}
 874				}
 875
 876				@Override
 877				public void onError(Exception e) {
 878				}
 879			});
 880			this.pgpServiceConnection.bindToService();
 881		}
 882
 883		this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 884		this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "XmppConnectionService");
 885		toggleForegroundService();
 886		updateUnreadCountBadge();
 887		toggleScreenEventReceiver();
 888		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && !Config.PUSH_MODE) {
 889			scheduleNextIdlePing();
 890		}
 891		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 892			registerReceiver(this.mEventReceiver,new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
 893		}
 894	}
 895
 896	@Override
 897	public void onTrimMemory(int level) {
 898		super.onTrimMemory(level);
 899		if (level >= TRIM_MEMORY_COMPLETE) {
 900			Log.d(Config.LOGTAG, "clear cache due to low memory");
 901			getBitmapCache().evictAll();
 902		}
 903	}
 904
 905	@Override
 906	public void onDestroy() {
 907		try {
 908			unregisterReceiver(this.mEventReceiver);
 909		} catch (IllegalArgumentException e) {
 910			//ignored
 911		}
 912		fileObserver.stopWatching();
 913		super.onDestroy();
 914	}
 915
 916	public void toggleScreenEventReceiver() {
 917		if (awayWhenScreenOff() && !manuallyChangePresence()) {
 918			final IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_ON);
 919			filter.addAction(Intent.ACTION_SCREEN_OFF);
 920			registerReceiver(this.mEventReceiver, filter);
 921		} else {
 922			try {
 923				unregisterReceiver(this.mEventReceiver);
 924			} catch (IllegalArgumentException e) {
 925				//ignored
 926			}
 927		}
 928	}
 929
 930	public void toggleForegroundService() {
 931		if (getPreferences().getBoolean("keep_foreground_service", false)) {
 932			startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, this.mNotificationService.createForegroundNotification());
 933		} else {
 934			stopForeground(true);
 935		}
 936	}
 937
 938	@Override
 939	public void onTaskRemoved(final Intent rootIntent) {
 940		super.onTaskRemoved(rootIntent);
 941		if (!getPreferences().getBoolean("keep_foreground_service", false)) {
 942			this.logoutAndSave(false);
 943		} else {
 944			Log.d(Config.LOGTAG,"ignoring onTaskRemoved because foreground service is activated");
 945		}
 946	}
 947
 948	private void logoutAndSave(boolean stop) {
 949		int activeAccounts = 0;
 950		for (final Account account : accounts) {
 951			if (account.getStatus() != Account.State.DISABLED) {
 952				activeAccounts++;
 953			}
 954			databaseBackend.writeRoster(account.getRoster());
 955			if (account.getXmppConnection() != null) {
 956				new Thread(new Runnable() {
 957					@Override
 958					public void run() {
 959						disconnect(account, false);
 960					}
 961				}).start();
 962			}
 963		}
 964		if (stop || activeAccounts == 0) {
 965			Log.d(Config.LOGTAG, "good bye");
 966			stopSelf();
 967		}
 968	}
 969
 970	private void cancelWakeUpCall(int requestCode) {
 971		final AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
 972		final Intent intent = new Intent(this, EventReceiver.class);
 973		intent.setAction("ping");
 974		alarmManager.cancel(PendingIntent.getBroadcast(this, requestCode, intent, 0));
 975	}
 976
 977	public void scheduleWakeUpCall(int seconds, int requestCode) {
 978		final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
 979		AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
 980		Intent intent = new Intent(this, EventReceiver.class);
 981		intent.setAction("ping");
 982		PendingIntent alarmIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
 983		alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, alarmIntent);
 984	}
 985
 986	@TargetApi(Build.VERSION_CODES.M)
 987	private void scheduleNextIdlePing() {
 988		Log.d(Config.LOGTAG,"schedule next idle ping");
 989		AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
 990		Intent intent = new Intent(this, EventReceiver.class);
 991		intent.setAction(ACTION_IDLE_PING);
 992		alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP,
 993				SystemClock.elapsedRealtime()+(Config.IDLE_PING_INTERVAL * 1000),
 994				PendingIntent.getBroadcast(this,0,intent,0)
 995				);
 996	}
 997
 998	public XmppConnection createConnection(final Account account) {
 999		final SharedPreferences sharedPref = getPreferences();
1000		account.setResource(sharedPref.getString("resource", getString(R.string.default_resource))
1001				.toLowerCase(Locale.getDefault()));
1002		final XmppConnection connection = new XmppConnection(account, this);
1003		connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1004		connection.setOnStatusChangedListener(this.statusListener);
1005		connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1006		connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1007		connection.setOnJinglePacketReceivedListener(this.jingleListener);
1008		connection.setOnBindListener(this.mOnBindListener);
1009		connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1010		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1011		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1012		AxolotlService axolotlService = account.getAxolotlService();
1013		if (axolotlService != null) {
1014			connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1015		}
1016		return connection;
1017	}
1018
1019	public void sendChatState(Conversation conversation) {
1020		if (sendChatStates()) {
1021			MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1022			sendMessagePacket(conversation.getAccount(), packet);
1023		}
1024	}
1025
1026	private void sendFileMessage(final Message message, final boolean delay) {
1027		Log.d(Config.LOGTAG, "send file message");
1028		final Account account = message.getConversation().getAccount();
1029		if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())) {
1030			mHttpConnectionManager.createNewUploadConnection(message, delay);
1031		} else {
1032			mJingleConnectionManager.createNewConnection(message);
1033		}
1034	}
1035
1036	public void sendMessage(final Message message) {
1037		sendMessage(message, false, false);
1038	}
1039
1040	private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1041		final Account account = message.getConversation().getAccount();
1042		if (account.setShowErrorNotification(true)) {
1043			databaseBackend.updateAccount(account);
1044			mNotificationService.updateErrorNotification();
1045		}
1046		final Conversation conversation = message.getConversation();
1047		account.deactivateGracePeriod();
1048		MessagePacket packet = null;
1049		final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1050				|| account.getServerIdentity() != XmppConnection.Identity.SLACK)
1051				&& !message.edited();
1052		boolean saveInDb = addToConversation;
1053		message.setStatus(Message.STATUS_WAITING);
1054
1055		if (!resend && message.getEncryption() != Message.ENCRYPTION_OTR) {
1056			message.getConversation().endOtrIfNeeded();
1057			message.getConversation().findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR,
1058					new Conversation.OnMessageFound() {
1059						@Override
1060						public void onMessageFound(Message message) {
1061							markMessage(message, Message.STATUS_SEND_FAILED);
1062						}
1063					});
1064		}
1065
1066		if (account.isOnlineAndConnected()) {
1067			switch (message.getEncryption()) {
1068				case Message.ENCRYPTION_NONE:
1069					if (message.needsUploading()) {
1070						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1071								|| message.fixCounterpart()) {
1072							this.sendFileMessage(message, delay);
1073						} else {
1074							break;
1075						}
1076					} else {
1077						packet = mMessageGenerator.generateChat(message);
1078					}
1079					break;
1080				case Message.ENCRYPTION_PGP:
1081				case Message.ENCRYPTION_DECRYPTED:
1082					if (message.needsUploading()) {
1083						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1084								|| message.fixCounterpart()) {
1085							this.sendFileMessage(message, delay);
1086						} else {
1087							break;
1088						}
1089					} else {
1090						packet = mMessageGenerator.generatePgpChat(message);
1091					}
1092					break;
1093				case Message.ENCRYPTION_OTR:
1094					SessionImpl otrSession = conversation.getOtrSession();
1095					if (otrSession != null && otrSession.getSessionStatus() == SessionStatus.ENCRYPTED) {
1096						try {
1097							message.setCounterpart(Jid.fromSessionID(otrSession.getSessionID()));
1098						} catch (InvalidJidException e) {
1099							break;
1100						}
1101						if (message.needsUploading()) {
1102							mJingleConnectionManager.createNewConnection(message);
1103						} else {
1104							packet = mMessageGenerator.generateOtrChat(message);
1105						}
1106					} else if (otrSession == null) {
1107						if (message.fixCounterpart()) {
1108							conversation.startOtrSession(message.getCounterpart().getResourcepart(), true);
1109						} else {
1110							Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could not fix counterpart for OTR message to contact "+message.getContact().getJid());
1111							break;
1112						}
1113					} else {
1114						Log.d(Config.LOGTAG,account.getJid().toBareJid()+" OTR session with "+message.getContact()+" is in wrong state: "+otrSession.getSessionStatus().toString());
1115					}
1116					break;
1117				case Message.ENCRYPTION_AXOLOTL:
1118					message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1119					if (message.needsUploading()) {
1120						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1121								|| message.fixCounterpart()) {
1122							this.sendFileMessage(message, delay);
1123						} else {
1124							break;
1125						}
1126					} else {
1127						XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1128						if (axolotlMessage == null) {
1129							account.getAxolotlService().preparePayloadMessage(message, delay);
1130						} else {
1131							packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1132						}
1133					}
1134					break;
1135
1136			}
1137			if (packet != null) {
1138				if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) {
1139					message.setStatus(Message.STATUS_UNSEND);
1140				} else {
1141					message.setStatus(Message.STATUS_SEND);
1142				}
1143			}
1144		} else {
1145			switch (message.getEncryption()) {
1146				case Message.ENCRYPTION_DECRYPTED:
1147					if (!message.needsUploading()) {
1148						String pgpBody = message.getEncryptedBody();
1149						String decryptedBody = message.getBody();
1150						message.setBody(pgpBody);
1151						message.setEncryption(Message.ENCRYPTION_PGP);
1152						if (message.edited()) {
1153							message.setBody(decryptedBody);
1154							message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1155							databaseBackend.updateMessage(message, message.getEditedId());
1156							updateConversationUi();
1157							return;
1158						} else {
1159							databaseBackend.createMessage(message);
1160							saveInDb = false;
1161							message.setBody(decryptedBody);
1162							message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1163						}
1164					}
1165					break;
1166				case Message.ENCRYPTION_OTR:
1167					if (!conversation.hasValidOtrSession() && message.getCounterpart() != null) {
1168						Log.d(Config.LOGTAG,account.getJid().toBareJid()+": create otr session without starting for "+message.getContact().getJid());
1169						conversation.startOtrSession(message.getCounterpart().getResourcepart(), false);
1170					}
1171					break;
1172				case Message.ENCRYPTION_AXOLOTL:
1173					message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1174					break;
1175			}
1176		}
1177
1178		if (resend) {
1179			if (packet != null && addToConversation) {
1180				if (account.getXmppConnection().getFeatures().sm() || conversation.getMode() == Conversation.MODE_MULTI) {
1181					markMessage(message, Message.STATUS_UNSEND);
1182				} else {
1183					markMessage(message, Message.STATUS_SEND);
1184				}
1185			}
1186		} else {
1187			if (addToConversation) {
1188				conversation.add(message);
1189			}
1190			if (message.getEncryption() == Message.ENCRYPTION_NONE || saveEncryptedMessages()) {
1191				if (saveInDb) {
1192					databaseBackend.createMessage(message);
1193				} else if (message.edited()) {
1194					databaseBackend.updateMessage(message, message.getEditedId());
1195				}
1196			}
1197			updateConversationUi();
1198		}
1199		if (packet != null) {
1200			if (delay) {
1201				mMessageGenerator.addDelay(packet, message.getTimeSent());
1202			}
1203			if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1204				if (this.sendChatStates()) {
1205					packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1206				}
1207			}
1208			sendMessagePacket(account, packet);
1209		}
1210	}
1211
1212	private void sendUnsentMessages(final Conversation conversation) {
1213		conversation.findWaitingMessages(new Conversation.OnMessageFound() {
1214
1215			@Override
1216			public void onMessageFound(Message message) {
1217				resendMessage(message, true);
1218			}
1219		});
1220	}
1221
1222	public void resendMessage(final Message message, final boolean delay) {
1223		sendMessage(message, true, delay);
1224	}
1225
1226	public void fetchRosterFromServer(final Account account) {
1227		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1228		if (!"".equals(account.getRosterVersion())) {
1229			Log.d(Config.LOGTAG, account.getJid().toBareJid()
1230					+ ": fetching roster version " + account.getRosterVersion());
1231		} else {
1232			Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": fetching roster");
1233		}
1234		iqPacket.query(Xmlns.ROSTER).setAttribute("ver", account.getRosterVersion());
1235		sendIqPacket(account, iqPacket, mIqParser);
1236	}
1237
1238	public void fetchBookmarks(final Account account) {
1239		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1240		final Element query = iqPacket.query("jabber:iq:private");
1241		query.addChild("storage", "storage:bookmarks");
1242		final OnIqPacketReceived callback = new OnIqPacketReceived() {
1243
1244			@Override
1245			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1246				if (packet.getType() == IqPacket.TYPE.RESULT) {
1247					final Element query = packet.query();
1248					final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1249					final Element storage = query.findChild("storage", "storage:bookmarks");
1250					final boolean autojoin = respectAutojoin();
1251					if (storage != null) {
1252						for (final Element item : storage.getChildren()) {
1253							if (item.getName().equals("conference")) {
1254								final Bookmark bookmark = Bookmark.parse(item, account);
1255								Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1256								if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1257									bookmark.setBookmarkName(old.getBookmarkName());
1258								}
1259								Conversation conversation = find(bookmark);
1260								if (conversation != null) {
1261									conversation.setBookmark(bookmark);
1262								} else if (bookmark.autojoin() && bookmark.getJid() != null && autojoin) {
1263									conversation = findOrCreateConversation(
1264											account, bookmark.getJid(), true);
1265									conversation.setBookmark(bookmark);
1266									joinMuc(conversation);
1267								}
1268							}
1269						}
1270					}
1271					account.setBookmarks(new ArrayList<>(bookmarks.values()));
1272				} else {
1273					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not fetch bookmarks");
1274				}
1275			}
1276		};
1277		sendIqPacket(account, iqPacket, callback);
1278	}
1279
1280	public void pushBookmarks(Account account) {
1281		Log.d(Config.LOGTAG, account.getJid().toBareJid()+": pushing bookmarks");
1282		IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1283		Element query = iqPacket.query("jabber:iq:private");
1284		Element storage = query.addChild("storage", "storage:bookmarks");
1285		for (Bookmark bookmark : account.getBookmarks()) {
1286			storage.addChild(bookmark);
1287		}
1288		sendIqPacket(account, iqPacket, mDefaultIqHandler);
1289	}
1290
1291	private void restoreFromDatabase() {
1292		synchronized (this.conversations) {
1293			final Map<String, Account> accountLookupTable = new Hashtable<>();
1294			for (Account account : this.accounts) {
1295				accountLookupTable.put(account.getUuid(), account);
1296			}
1297			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1298			for (Conversation conversation : this.conversations) {
1299				Account account = accountLookupTable.get(conversation.getAccountUuid());
1300				conversation.setAccount(account);
1301			}
1302			Runnable runnable = new Runnable() {
1303				@Override
1304				public void run() {
1305					Log.d(Config.LOGTAG, "restoring roster");
1306					for (Account account : accounts) {
1307						databaseBackend.readRoster(account.getRoster());
1308						account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1309					}
1310					getBitmapCache().evictAll();
1311					loadPhoneContacts();
1312					Log.d(Config.LOGTAG, "restoring messages");
1313					for (Conversation conversation : conversations) {
1314						conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1315						checkDeletedFiles(conversation);
1316						conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
1317
1318							@Override
1319							public void onMessageFound(Message message) {
1320								markMessage(message, Message.STATUS_WAITING);
1321							}
1322						});
1323						conversation.findUnreadMessages(new Conversation.OnMessageFound() {
1324							@Override
1325							public void onMessageFound(Message message) {
1326								mNotificationService.pushFromBacklog(message);
1327							}
1328						});
1329					}
1330					mNotificationService.finishBacklog(false);
1331					mRestoredFromDatabase = true;
1332					Log.d(Config.LOGTAG, "restored all messages");
1333					updateConversationUi();
1334				}
1335			};
1336			mDatabaseExecutor.execute(runnable);
1337		}
1338	}
1339
1340	public void loadPhoneContacts() {
1341		mContactMergerExecutor.execute(new Runnable() {
1342			@Override
1343			public void run() {
1344				PhoneHelper.loadPhoneContacts(XmppConnectionService.this, new OnPhoneContactsLoadedListener() {
1345					@Override
1346					public void onPhoneContactsLoaded(List<Bundle> phoneContacts) {
1347						Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1348						for (Account account : accounts) {
1349							List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts();
1350							for (Bundle phoneContact : phoneContacts) {
1351								Jid jid;
1352								try {
1353									jid = Jid.fromString(phoneContact.getString("jid"));
1354								} catch (final InvalidJidException e) {
1355									continue;
1356								}
1357								final Contact contact = account.getRoster().getContact(jid);
1358								String systemAccount = phoneContact.getInt("phoneid")
1359										+ "#"
1360										+ phoneContact.getString("lookup");
1361								contact.setSystemAccount(systemAccount);
1362								if (contact.setPhotoUri(phoneContact.getString("photouri"))) {
1363									getAvatarService().clear(contact);
1364								}
1365								contact.setSystemName(phoneContact.getString("displayname"));
1366								withSystemAccounts.remove(contact);
1367							}
1368							for (Contact contact : withSystemAccounts) {
1369								contact.setSystemAccount(null);
1370								contact.setSystemName(null);
1371								if (contact.setPhotoUri(null)) {
1372									getAvatarService().clear(contact);
1373								}
1374							}
1375						}
1376						Log.d(Config.LOGTAG, "finished merging phone contacts");
1377						updateAccountUi();
1378					}
1379				});
1380			}
1381		});
1382	}
1383
1384	public List<Conversation> getConversations() {
1385		return this.conversations;
1386	}
1387
1388	private void checkDeletedFiles(Conversation conversation) {
1389		conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
1390
1391			@Override
1392			public void onMessageFound(Message message) {
1393				if (!getFileBackend().isFileAvailable(message)) {
1394					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1395					final int s = message.getStatus();
1396					if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1397						markMessage(message, Message.STATUS_SEND_FAILED);
1398					}
1399				}
1400			}
1401		});
1402	}
1403
1404	private void markFileDeleted(final String path) {
1405		Log.d(Config.LOGTAG,"deleted file "+path);
1406		for (Conversation conversation : getConversations()) {
1407			conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
1408				@Override
1409				public void onMessageFound(Message message) {
1410					DownloadableFile file = fileBackend.getFile(message);
1411					if (file.getAbsolutePath().equals(path)) {
1412						if (!file.exists()) {
1413							message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1414							final int s = message.getStatus();
1415							if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1416								markMessage(message, Message.STATUS_SEND_FAILED);
1417							} else {
1418								updateConversationUi();
1419							}
1420						} else {
1421							Log.d(Config.LOGTAG,"found matching message for file "+path+" but file still exists");
1422						}
1423					}
1424				}
1425			});
1426		}
1427	}
1428
1429	public void populateWithOrderedConversations(final List<Conversation> list) {
1430		populateWithOrderedConversations(list, true);
1431	}
1432
1433	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1434		list.clear();
1435		if (includeNoFileUpload) {
1436			list.addAll(getConversations());
1437		} else {
1438			for (Conversation conversation : getConversations()) {
1439				if (conversation.getMode() == Conversation.MODE_SINGLE
1440						|| conversation.getAccount().httpUploadAvailable()) {
1441					list.add(conversation);
1442				}
1443			}
1444		}
1445		try {
1446			Collections.sort(list);
1447		} catch (IllegalArgumentException e) {
1448			//ignore
1449		}
1450	}
1451
1452	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1453		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1454			return;
1455		} else if (timestamp == 0) {
1456			return;
1457		}
1458		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1459		Runnable runnable = new Runnable() {
1460			@Override
1461			public void run() {
1462				final Account account = conversation.getAccount();
1463				List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1464				if (messages.size() > 0) {
1465					conversation.addAll(0, messages);
1466					checkDeletedFiles(conversation);
1467					callback.onMoreMessagesLoaded(messages.size(), conversation);
1468				} else if (conversation.hasMessagesLeftOnServer()
1469						&& account.isOnlineAndConnected()
1470						&& conversation.getLastClearHistory() == 0) {
1471					if ((conversation.getMode() == Conversation.MODE_SINGLE && account.getXmppConnection().getFeatures().mam())
1472							|| (conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().mamSupport())) {
1473						MessageArchiveService.Query query = getMessageArchiveService().query(conversation, 0, timestamp);
1474						if (query != null) {
1475							query.setCallback(callback);
1476						}
1477						callback.informUser(R.string.fetching_history_from_server);
1478					}
1479				}
1480			}
1481		};
1482		mDatabaseExecutor.execute(runnable);
1483	}
1484
1485	public List<Account> getAccounts() {
1486		return this.accounts;
1487	}
1488
1489	public List<Conversation> findAllConferencesWith(Contact contact) {
1490		ArrayList<Conversation> results = new ArrayList<>();
1491		for(Conversation conversation : conversations) {
1492			if (conversation.getMode() == Conversation.MODE_MULTI
1493					&& conversation.getMucOptions().isContactInRoom(contact)) {
1494				results.add(conversation);
1495			}
1496		}
1497		return results;
1498	}
1499
1500	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1501		for (final Conversation conversation : haystack) {
1502			if (conversation.getContact() == contact) {
1503				return conversation;
1504			}
1505		}
1506		return null;
1507	}
1508
1509	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1510		if (jid == null) {
1511			return null;
1512		}
1513		for (final Conversation conversation : haystack) {
1514			if ((account == null || conversation.getAccount() == account)
1515					&& (conversation.getJid().toBareJid().equals(jid.toBareJid()))) {
1516				return conversation;
1517			}
1518		}
1519		return null;
1520	}
1521
1522	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc) {
1523		return this.findOrCreateConversation(account, jid, muc, null);
1524	}
1525
1526	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final MessageArchiveService.Query query) {
1527		synchronized (this.conversations) {
1528			Conversation conversation = find(account, jid);
1529			if (conversation != null) {
1530				return conversation;
1531			}
1532			conversation = databaseBackend.findConversation(account, jid);
1533			if (conversation != null) {
1534				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1535				conversation.setAccount(account);
1536				if (muc) {
1537					conversation.setMode(Conversation.MODE_MULTI);
1538					conversation.setContactJid(jid);
1539				} else {
1540					conversation.setMode(Conversation.MODE_SINGLE);
1541					conversation.setContactJid(jid.toBareJid());
1542				}
1543				conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1544				this.databaseBackend.updateConversation(conversation);
1545			} else {
1546				String conversationName;
1547				Contact contact = account.getRoster().getContact(jid);
1548				if (contact != null) {
1549					conversationName = contact.getDisplayName();
1550				} else {
1551					conversationName = jid.getLocalpart();
1552				}
1553				if (muc) {
1554					conversation = new Conversation(conversationName, account, jid,
1555							Conversation.MODE_MULTI);
1556				} else {
1557					conversation = new Conversation(conversationName, account, jid.toBareJid(),
1558							Conversation.MODE_SINGLE);
1559				}
1560				this.databaseBackend.createConversation(conversation);
1561			}
1562			if (account.getXmppConnection() != null
1563					&& account.getXmppConnection().getFeatures().mam()
1564					&& !muc) {
1565				if (query == null) {
1566					this.mMessageArchiveService.query(conversation);
1567				} else {
1568					if (query.getConversation() == null) {
1569						this.mMessageArchiveService.query(conversation, query.getStart());
1570					}
1571				}
1572			}
1573			checkDeletedFiles(conversation);
1574			this.conversations.add(conversation);
1575			updateConversationUi();
1576			return conversation;
1577		}
1578	}
1579
1580	public void archiveConversation(Conversation conversation) {
1581		getNotificationService().clear(conversation);
1582		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1583		synchronized (this.conversations) {
1584			if (conversation.getMode() == Conversation.MODE_MULTI) {
1585				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1586					Bookmark bookmark = conversation.getBookmark();
1587					if (bookmark != null && bookmark.autojoin() && respectAutojoin()) {
1588						bookmark.setAutojoin(false);
1589						pushBookmarks(bookmark.getAccount());
1590					}
1591				}
1592				leaveMuc(conversation);
1593			} else {
1594				conversation.endOtrIfNeeded();
1595				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1596					Log.d(Config.LOGTAG, "Canceling presence request from " + conversation.getJid().toString());
1597					sendPresencePacket(
1598							conversation.getAccount(),
1599							mPresenceGenerator.stopPresenceUpdatesTo(conversation.getContact())
1600					);
1601				}
1602			}
1603			this.databaseBackend.updateConversation(conversation);
1604			this.conversations.remove(conversation);
1605			updateConversationUi();
1606		}
1607	}
1608
1609	public void createAccount(final Account account) {
1610		account.initAccountServices(this);
1611		databaseBackend.createAccount(account);
1612		this.accounts.add(account);
1613		this.reconnectAccountInBackground(account);
1614		updateAccountUi();
1615	}
1616
1617	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
1618		new Thread(new Runnable() {
1619			@Override
1620			public void run() {
1621				try {
1622					X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1623					Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1624					if (findAccountByJid(info.first) == null) {
1625						Account account = new Account(info.first, "");
1626						account.setPrivateKeyAlias(alias);
1627						account.setOption(Account.OPTION_DISABLED, true);
1628						account.setDisplayName(info.second);
1629						createAccount(account);
1630						callback.onAccountCreated(account);
1631						if (Config.X509_VERIFICATION) {
1632							try {
1633								getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1634							} catch (CertificateException e) {
1635								callback.informUser(R.string.certificate_chain_is_not_trusted);
1636							}
1637						}
1638					} else {
1639						callback.informUser(R.string.account_already_exists);
1640					}
1641				} catch (Exception e) {
1642					e.printStackTrace();
1643					callback.informUser(R.string.unable_to_parse_certificate);
1644				}
1645			}
1646		}).start();
1647
1648	}
1649
1650	public void updateKeyInAccount(final Account account, final String alias) {
1651		Log.d(Config.LOGTAG, "update key in account " + alias);
1652		try {
1653			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1654			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1655			if (account.getJid().toBareJid().equals(info.first)) {
1656				account.setPrivateKeyAlias(alias);
1657				account.setDisplayName(info.second);
1658				databaseBackend.updateAccount(account);
1659				if (Config.X509_VERIFICATION) {
1660					try {
1661						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1662					} catch (CertificateException e) {
1663						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
1664					}
1665					account.getAxolotlService().regenerateKeys(true);
1666				}
1667			} else {
1668				showErrorToastInUi(R.string.jid_does_not_match_certificate);
1669			}
1670		} catch (Exception e) {
1671			e.printStackTrace();
1672		}
1673	}
1674
1675	public boolean updateAccount(final Account account) {
1676		if (databaseBackend.updateAccount(account)) {
1677			account.setShowErrorNotification(true);
1678			this.statusListener.onStatusChanged(account);
1679			databaseBackend.updateAccount(account);
1680			reconnectAccountInBackground(account);
1681			updateAccountUi();
1682			getNotificationService().updateErrorNotification();
1683			return true;
1684		} else {
1685			return false;
1686		}
1687	}
1688
1689	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1690		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1691		sendIqPacket(account, iq, new OnIqPacketReceived() {
1692			@Override
1693			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1694				if (packet.getType() == IqPacket.TYPE.RESULT) {
1695					account.setPassword(newPassword);
1696					account.setOption(Account.OPTION_MAGIC_CREATE, false);
1697					databaseBackend.updateAccount(account);
1698					callback.onPasswordChangeSucceeded();
1699				} else {
1700					callback.onPasswordChangeFailed();
1701				}
1702			}
1703		});
1704	}
1705
1706	public void deleteAccount(final Account account) {
1707		synchronized (this.conversations) {
1708			for (final Conversation conversation : conversations) {
1709				if (conversation.getAccount() == account) {
1710					if (conversation.getMode() == Conversation.MODE_MULTI) {
1711						leaveMuc(conversation);
1712					} else if (conversation.getMode() == Conversation.MODE_SINGLE) {
1713						conversation.endOtrIfNeeded();
1714					}
1715					conversations.remove(conversation);
1716				}
1717			}
1718			if (account.getXmppConnection() != null) {
1719				new Thread(new Runnable() {
1720					@Override
1721					public void run() {
1722						disconnect(account, true);
1723					}
1724				}).start();
1725			}
1726			Runnable runnable = new Runnable() {
1727				@Override
1728				public void run() {
1729					if (!databaseBackend.deleteAccount(account)) {
1730						Log.d(Config.LOGTAG,account.getJid().toBareJid()+": unable to delete account");
1731					}
1732				}
1733			};
1734			mDatabaseExecutor.execute(runnable);
1735			this.accounts.remove(account);
1736			updateAccountUi();
1737			getNotificationService().updateErrorNotification();
1738		}
1739	}
1740
1741	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
1742		synchronized (this) {
1743			this.mLastActivity = System.currentTimeMillis();
1744			if (checkListeners()) {
1745				switchToForeground();
1746			}
1747			this.mOnConversationUpdate = listener;
1748			this.mNotificationService.setIsInForeground(true);
1749			if (this.convChangedListenerCount < 2) {
1750				this.convChangedListenerCount++;
1751			}
1752		}
1753	}
1754
1755	public void removeOnConversationListChangedListener() {
1756		synchronized (this) {
1757			this.convChangedListenerCount--;
1758			if (this.convChangedListenerCount <= 0) {
1759				this.convChangedListenerCount = 0;
1760				this.mOnConversationUpdate = null;
1761				this.mNotificationService.setIsInForeground(false);
1762				if (checkListeners()) {
1763					switchToBackground();
1764				}
1765			}
1766		}
1767	}
1768
1769	public void setOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
1770		synchronized (this) {
1771			if (checkListeners()) {
1772				switchToForeground();
1773			}
1774			this.mOnShowErrorToast = onShowErrorToast;
1775			if (this.showErrorToastListenerCount < 2) {
1776				this.showErrorToastListenerCount++;
1777			}
1778		}
1779		this.mOnShowErrorToast = onShowErrorToast;
1780	}
1781
1782	public void removeOnShowErrorToastListener() {
1783		synchronized (this) {
1784			this.showErrorToastListenerCount--;
1785			if (this.showErrorToastListenerCount <= 0) {
1786				this.showErrorToastListenerCount = 0;
1787				this.mOnShowErrorToast = null;
1788				if (checkListeners()) {
1789					switchToBackground();
1790				}
1791			}
1792		}
1793	}
1794
1795	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
1796		synchronized (this) {
1797			if (checkListeners()) {
1798				switchToForeground();
1799			}
1800			this.mOnAccountUpdate = listener;
1801			if (this.accountChangedListenerCount < 2) {
1802				this.accountChangedListenerCount++;
1803			}
1804		}
1805	}
1806
1807	public void removeOnAccountListChangedListener() {
1808		synchronized (this) {
1809			this.accountChangedListenerCount--;
1810			if (this.accountChangedListenerCount <= 0) {
1811				this.mOnAccountUpdate = null;
1812				this.accountChangedListenerCount = 0;
1813				if (checkListeners()) {
1814					switchToBackground();
1815				}
1816			}
1817		}
1818	}
1819
1820	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
1821		synchronized (this) {
1822			if (checkListeners()) {
1823				switchToForeground();
1824			}
1825			this.mOnCaptchaRequested = listener;
1826			if (this.captchaRequestedListenerCount < 2) {
1827				this.captchaRequestedListenerCount++;
1828			}
1829		}
1830	}
1831
1832	public void removeOnCaptchaRequestedListener() {
1833		synchronized (this) {
1834			this.captchaRequestedListenerCount--;
1835			if (this.captchaRequestedListenerCount <= 0) {
1836				this.mOnCaptchaRequested = null;
1837				this.captchaRequestedListenerCount = 0;
1838				if (checkListeners()) {
1839					switchToBackground();
1840				}
1841			}
1842		}
1843	}
1844
1845	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
1846		synchronized (this) {
1847			if (checkListeners()) {
1848				switchToForeground();
1849			}
1850			this.mOnRosterUpdate = listener;
1851			if (this.rosterChangedListenerCount < 2) {
1852				this.rosterChangedListenerCount++;
1853			}
1854		}
1855	}
1856
1857	public void removeOnRosterUpdateListener() {
1858		synchronized (this) {
1859			this.rosterChangedListenerCount--;
1860			if (this.rosterChangedListenerCount <= 0) {
1861				this.rosterChangedListenerCount = 0;
1862				this.mOnRosterUpdate = null;
1863				if (checkListeners()) {
1864					switchToBackground();
1865				}
1866			}
1867		}
1868	}
1869
1870	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
1871		synchronized (this) {
1872			if (checkListeners()) {
1873				switchToForeground();
1874			}
1875			this.mOnUpdateBlocklist = listener;
1876			if (this.updateBlocklistListenerCount < 2) {
1877				this.updateBlocklistListenerCount++;
1878			}
1879		}
1880	}
1881
1882	public void removeOnUpdateBlocklistListener() {
1883		synchronized (this) {
1884			this.updateBlocklistListenerCount--;
1885			if (this.updateBlocklistListenerCount <= 0) {
1886				this.updateBlocklistListenerCount = 0;
1887				this.mOnUpdateBlocklist = null;
1888				if (checkListeners()) {
1889					switchToBackground();
1890				}
1891			}
1892		}
1893	}
1894
1895	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
1896		synchronized (this) {
1897			if (checkListeners()) {
1898				switchToForeground();
1899			}
1900			this.mOnKeyStatusUpdated = listener;
1901			if (this.keyStatusUpdatedListenerCount < 2) {
1902				this.keyStatusUpdatedListenerCount++;
1903			}
1904		}
1905	}
1906
1907	public void removeOnNewKeysAvailableListener() {
1908		synchronized (this) {
1909			this.keyStatusUpdatedListenerCount--;
1910			if (this.keyStatusUpdatedListenerCount <= 0) {
1911				this.keyStatusUpdatedListenerCount = 0;
1912				this.mOnKeyStatusUpdated = null;
1913				if (checkListeners()) {
1914					switchToBackground();
1915				}
1916			}
1917		}
1918	}
1919
1920	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
1921		synchronized (this) {
1922			if (checkListeners()) {
1923				switchToForeground();
1924			}
1925			this.mOnMucRosterUpdate = listener;
1926			if (this.mucRosterChangedListenerCount < 2) {
1927				this.mucRosterChangedListenerCount++;
1928			}
1929		}
1930	}
1931
1932	public void removeOnMucRosterUpdateListener() {
1933		synchronized (this) {
1934			this.mucRosterChangedListenerCount--;
1935			if (this.mucRosterChangedListenerCount <= 0) {
1936				this.mucRosterChangedListenerCount = 0;
1937				this.mOnMucRosterUpdate = null;
1938				if (checkListeners()) {
1939					switchToBackground();
1940				}
1941			}
1942		}
1943	}
1944
1945	public boolean checkListeners() {
1946		return (this.mOnAccountUpdate == null
1947				&& this.mOnConversationUpdate == null
1948				&& this.mOnRosterUpdate == null
1949				&& this.mOnCaptchaRequested == null
1950				&& this.mOnUpdateBlocklist == null
1951				&& this.mOnShowErrorToast == null
1952				&& this.mOnKeyStatusUpdated == null);
1953	}
1954
1955	private void switchToForeground() {
1956		final boolean broadcastLastActivity = broadcastLastActivity();
1957		for (Conversation conversation : getConversations()) {
1958			conversation.setIncomingChatState(ChatState.ACTIVE);
1959		}
1960		for (Account account : getAccounts()) {
1961			if (account.getStatus() == Account.State.ONLINE) {
1962				account.deactivateGracePeriod();
1963				final XmppConnection connection = account.getXmppConnection();
1964				if (connection != null ) {
1965					if (connection.getFeatures().csi()) {
1966						connection.sendActive();
1967					}
1968					if (broadcastLastActivity) {
1969						sendPresence(account, false); //send new presence but don't include idle because we are not
1970					}
1971				}
1972			}
1973		}
1974		Log.d(Config.LOGTAG, "app switched into foreground");
1975	}
1976
1977	private void switchToBackground() {
1978		final boolean broadcastLastActivity = broadcastLastActivity();
1979		for (Account account : getAccounts()) {
1980			if (account.getStatus() == Account.State.ONLINE) {
1981				XmppConnection connection = account.getXmppConnection();
1982				if (connection != null) {
1983					if (broadcastLastActivity) {
1984						sendPresence(account, broadcastLastActivity);
1985					}
1986					if (connection.getFeatures().csi()) {
1987						connection.sendInactive();
1988					}
1989					if (Config.PUSH_MODE && mPushManagementService.available(account)) {
1990						connection.waitForPush();
1991						cancelWakeUpCall(account.getUuid().hashCode());
1992					}
1993				}
1994			}
1995		}
1996		this.mNotificationService.setIsInForeground(false);
1997		Log.d(Config.LOGTAG, "app switched into background");
1998	}
1999
2000	private void connectMultiModeConversations(Account account) {
2001		List<Conversation> conversations = getConversations();
2002		for (Conversation conversation : conversations) {
2003			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2004				joinMuc(conversation);
2005			}
2006		}
2007	}
2008
2009	public void joinMuc(Conversation conversation) {
2010		joinMuc(conversation, null);
2011	}
2012
2013	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2014		Account account = conversation.getAccount();
2015		account.pendingConferenceJoins.remove(conversation);
2016		account.pendingConferenceLeaves.remove(conversation);
2017		if (account.getStatus() == Account.State.ONLINE) {
2018			conversation.resetMucOptions();
2019			if (onConferenceJoined != null) {
2020				conversation.getMucOptions().flagNoAutoPushConfiguration();
2021			}
2022			conversation.setHasMessagesLeftOnServer(false);
2023			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2024
2025				private void join(Conversation conversation) {
2026					Account account = conversation.getAccount();
2027					final MucOptions mucOptions = conversation.getMucOptions();
2028					final Jid joinJid = mucOptions.getSelf().getFullJid();
2029					Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": joining conversation " + joinJid.toString());
2030					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE);
2031					packet.setTo(joinJid);
2032					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2033					if (conversation.getMucOptions().getPassword() != null) {
2034						x.addChild("password").setContent(conversation.getMucOptions().getPassword());
2035					}
2036
2037					if (mucOptions.mamSupport()) {
2038						// Use MAM instead of the limited muc history to get history
2039						x.addChild("history").setAttribute("maxchars", "0");
2040					} else {
2041						// Fallback to muc history
2042						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted()));
2043					}
2044					sendPresencePacket(account, packet);
2045					if (onConferenceJoined != null) {
2046						onConferenceJoined.onConferenceJoined(conversation);
2047					}
2048					if (!joinJid.equals(conversation.getJid())) {
2049						conversation.setContactJid(joinJid);
2050						databaseBackend.updateConversation(conversation);
2051					}
2052
2053					if (mucOptions.mamSupport()) {
2054						getMessageArchiveService().catchupMUC(conversation);
2055					}
2056					if (mucOptions.membersOnly() && mucOptions.nonanonymous()) {
2057						fetchConferenceMembers(conversation);
2058					}
2059					sendUnsentMessages(conversation);
2060				}
2061
2062				@Override
2063				public void onConferenceConfigurationFetched(Conversation conversation) {
2064					join(conversation);
2065				}
2066
2067				@Override
2068				public void onFetchFailed(final Conversation conversation, Element error) {
2069					if (error != null && "remote-server-not-found".equals(error.getName())) {
2070						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2071					} else {
2072						join(conversation);
2073						fetchConferenceConfiguration(conversation);
2074					}
2075				}
2076			});
2077			updateConversationUi();
2078		} else {
2079			account.pendingConferenceJoins.add(conversation);
2080			conversation.resetMucOptions();
2081			conversation.setHasMessagesLeftOnServer(false);
2082			updateConversationUi();
2083		}
2084	}
2085
2086	private void fetchConferenceMembers(final Conversation conversation) {
2087		final Account account = conversation.getAccount();
2088		final String[] affiliations = {"member","admin","owner"};
2089		OnIqPacketReceived callback = new OnIqPacketReceived() {
2090
2091			private int i = 0;
2092
2093			@Override
2094			public void onIqPacketReceived(Account account, IqPacket packet) {
2095
2096				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2097				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2098					for(Element child : query.getChildren()) {
2099						if ("item".equals(child.getName())) {
2100							MucOptions.User user = AbstractParser.parseItem(conversation,child);
2101							if (!user.realJidMatchesAccount()) {
2102								conversation.getMucOptions().addUser(user);
2103								getAvatarService().clear(conversation);
2104								updateMucRosterUi();
2105								updateConversationUi();
2106							}
2107						}
2108					}
2109				} else {
2110					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could not request affiliation "+affiliations[i]+" in "+conversation.getJid().toBareJid());
2111				}
2112				++i;
2113				if (i >= affiliations.length) {
2114					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": retrieved members for "+conversation.getJid().toBareJid()+": "+conversation.getMucOptions().getMembers());
2115				}
2116			}
2117		};
2118		for(String affiliation : affiliations) {
2119			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2120		}
2121		Log.d(Config.LOGTAG,account.getJid().toBareJid()+": fetching members for "+conversation.getName());
2122	}
2123
2124	public void providePasswordForMuc(Conversation conversation, String password) {
2125		if (conversation.getMode() == Conversation.MODE_MULTI) {
2126			conversation.getMucOptions().setPassword(password);
2127			if (conversation.getBookmark() != null) {
2128				if (respectAutojoin()) {
2129					conversation.getBookmark().setAutojoin(true);
2130				}
2131				pushBookmarks(conversation.getAccount());
2132			}
2133			databaseBackend.updateConversation(conversation);
2134			joinMuc(conversation);
2135		}
2136	}
2137
2138	public void renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2139		final MucOptions options = conversation.getMucOptions();
2140		final Jid joinJid = options.createJoinJid(nick);
2141		if (options.online()) {
2142			Account account = conversation.getAccount();
2143			options.setOnRenameListener(new OnRenameListener() {
2144
2145				@Override
2146				public void onSuccess() {
2147					conversation.setContactJid(joinJid);
2148					databaseBackend.updateConversation(conversation);
2149					Bookmark bookmark = conversation.getBookmark();
2150					if (bookmark != null) {
2151						bookmark.setNick(nick);
2152						pushBookmarks(bookmark.getAccount());
2153					}
2154					callback.success(conversation);
2155				}
2156
2157				@Override
2158				public void onFailure() {
2159					callback.error(R.string.nick_in_use, conversation);
2160				}
2161			});
2162
2163			PresencePacket packet = new PresencePacket();
2164			packet.setTo(joinJid);
2165			packet.setFrom(conversation.getAccount().getJid());
2166
2167			String sig = account.getPgpSignature();
2168			if (sig != null) {
2169				packet.addChild("status").setContent("online");
2170				packet.addChild("x", "jabber:x:signed").setContent(sig);
2171			}
2172			sendPresencePacket(account, packet);
2173		} else {
2174			conversation.setContactJid(joinJid);
2175			databaseBackend.updateConversation(conversation);
2176			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2177				Bookmark bookmark = conversation.getBookmark();
2178				if (bookmark != null) {
2179					bookmark.setNick(nick);
2180					pushBookmarks(bookmark.getAccount());
2181				}
2182				joinMuc(conversation);
2183			}
2184		}
2185	}
2186
2187	public void leaveMuc(Conversation conversation) {
2188		leaveMuc(conversation, false);
2189	}
2190
2191	private void leaveMuc(Conversation conversation, boolean now) {
2192		Account account = conversation.getAccount();
2193		account.pendingConferenceJoins.remove(conversation);
2194		account.pendingConferenceLeaves.remove(conversation);
2195		if (account.getStatus() == Account.State.ONLINE || now) {
2196			PresencePacket packet = new PresencePacket();
2197			packet.setTo(conversation.getMucOptions().getSelf().getFullJid());
2198			packet.setFrom(conversation.getAccount().getJid());
2199			packet.setAttribute("type", "unavailable");
2200			sendPresencePacket(conversation.getAccount(), packet);
2201			conversation.getMucOptions().setOffline();
2202			conversation.deregisterWithBookmark();
2203			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid()
2204					+ ": leaving muc " + conversation.getJid());
2205		} else {
2206			account.pendingConferenceLeaves.add(conversation);
2207		}
2208	}
2209
2210	private String findConferenceServer(final Account account) {
2211		String server;
2212		if (account.getXmppConnection() != null) {
2213			server = account.getXmppConnection().getMucServer();
2214			if (server != null) {
2215				return server;
2216			}
2217		}
2218		for (Account other : getAccounts()) {
2219			if (other != account && other.getXmppConnection() != null) {
2220				server = other.getXmppConnection().getMucServer();
2221				if (server != null) {
2222					return server;
2223				}
2224			}
2225		}
2226		return null;
2227	}
2228
2229	public void createAdhocConference(final Account account,
2230									  final String subject,
2231									  final Iterable<Jid> jids,
2232									  final UiCallback<Conversation> callback) {
2233		Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2234		if (account.getStatus() == Account.State.ONLINE) {
2235			try {
2236				String server = findConferenceServer(account);
2237				if (server == null) {
2238					if (callback != null) {
2239						callback.error(R.string.no_conference_server_found, null);
2240					}
2241					return;
2242				}
2243				final Jid jid = Jid.fromParts(new BigInteger(64, getRNG()).toString(Character.MAX_RADIX), server, null);
2244				final Conversation conversation = findOrCreateConversation(account, jid, true);
2245				joinMuc(conversation, new OnConferenceJoined() {
2246					@Override
2247					public void onConferenceJoined(final Conversation conversation) {
2248						pushConferenceConfiguration(conversation, IqGenerator.defaultRoomConfiguration(), new OnConferenceOptionsPushed() {
2249							@Override
2250							public void onPushSucceeded() {
2251								if (subject != null && !subject.trim().isEmpty()) {
2252									pushSubjectToConference(conversation, subject.trim());
2253								}
2254								for (Jid invite : jids) {
2255									invite(conversation, invite);
2256								}
2257								if (account.countPresences() > 1) {
2258									directInvite(conversation, account.getJid().toBareJid());
2259								}
2260								saveConversationAsBookmark(conversation, subject);
2261								if (callback != null) {
2262									callback.success(conversation);
2263								}
2264							}
2265
2266							@Override
2267							public void onPushFailed() {
2268								archiveConversation(conversation);
2269								if (callback != null) {
2270									callback.error(R.string.conference_creation_failed, conversation);
2271								}
2272							}
2273						});
2274					}
2275				});
2276			} catch (InvalidJidException e) {
2277				if (callback != null) {
2278					callback.error(R.string.conference_creation_failed, null);
2279				}
2280			}
2281		} else {
2282			if (callback != null) {
2283				callback.error(R.string.not_connected_try_again, null);
2284			}
2285		}
2286	}
2287
2288	public void fetchConferenceConfiguration(final Conversation conversation) {
2289		fetchConferenceConfiguration(conversation, null);
2290	}
2291
2292	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
2293		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2294		request.setTo(conversation.getJid().toBareJid());
2295		request.query("http://jabber.org/protocol/disco#info");
2296		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2297			@Override
2298			public void onIqPacketReceived(Account account, IqPacket packet) {
2299				Element query = packet.findChild("query","http://jabber.org/protocol/disco#info");
2300				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2301					ArrayList<String> features = new ArrayList<>();
2302					for (Element child : query.getChildren()) {
2303						if (child != null && child.getName().equals("feature")) {
2304							String var = child.getAttribute("var");
2305							if (var != null) {
2306								features.add(var);
2307							}
2308						}
2309					}
2310					Element form = query.findChild("x", "jabber:x:data");
2311					if (form != null) {
2312						conversation.getMucOptions().updateFormData(Data.parse(form));
2313					}
2314					conversation.getMucOptions().updateFeatures(features);
2315					if (callback != null) {
2316						callback.onConferenceConfigurationFetched(conversation);
2317					}
2318					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": fetched muc configuration for "+conversation.getJid().toBareJid()+" - "+features.toString());
2319					updateConversationUi();
2320				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
2321					if (callback != null) {
2322						callback.onFetchFailed(conversation, packet.getError());
2323					}
2324				}
2325			}
2326		});
2327	}
2328
2329	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConferenceOptionsPushed callback) {
2330		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2331		request.setTo(conversation.getJid().toBareJid());
2332		request.query("http://jabber.org/protocol/muc#owner");
2333		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2334			@Override
2335			public void onIqPacketReceived(Account account, IqPacket packet) {
2336				if (packet.getType() == IqPacket.TYPE.RESULT) {
2337					Data data = Data.parse(packet.query().findChild("x", "jabber:x:data"));
2338					for (Field field : data.getFields()) {
2339						if (options.containsKey(field.getFieldName())) {
2340							field.setValue(options.getString(field.getFieldName()));
2341						}
2342					}
2343					data.submit();
2344					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
2345					set.setTo(conversation.getJid().toBareJid());
2346					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
2347					sendIqPacket(account, set, new OnIqPacketReceived() {
2348						@Override
2349						public void onIqPacketReceived(Account account, IqPacket packet) {
2350							if (callback != null) {
2351								if (packet.getType() == IqPacket.TYPE.RESULT) {
2352									callback.onPushSucceeded();
2353								} else {
2354									callback.onPushFailed();
2355								}
2356							}
2357						}
2358					});
2359				} else {
2360					if (callback != null) {
2361						callback.onPushFailed();
2362					}
2363				}
2364			}
2365		});
2366	}
2367
2368	public void pushSubjectToConference(final Conversation conference, final String subject) {
2369		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, subject);
2370		this.sendMessagePacket(conference.getAccount(), packet);
2371		final MucOptions mucOptions = conference.getMucOptions();
2372		final MucOptions.User self = mucOptions.getSelf();
2373		if (!mucOptions.persistent() && self.getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
2374			Bundle options = new Bundle();
2375			options.putString("muc#roomconfig_persistentroom", "1");
2376			this.pushConferenceConfiguration(conference, options, null);
2377		}
2378	}
2379
2380	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
2381		final Jid jid = user.toBareJid();
2382		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
2383		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2384			@Override
2385			public void onIqPacketReceived(Account account, IqPacket packet) {
2386				if (packet.getType() == IqPacket.TYPE.RESULT) {
2387					conference.getMucOptions().changeAffiliation(jid, affiliation);
2388					getAvatarService().clear(conference);
2389					callback.onAffiliationChangedSuccessful(jid);
2390				} else {
2391					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
2392				}
2393			}
2394		});
2395	}
2396
2397	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
2398		List<Jid> jids = new ArrayList<>();
2399		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
2400			if (user.getAffiliation() == before && user.getRealJid() != null) {
2401				jids.add(user.getRealJid());
2402			}
2403		}
2404		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
2405		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
2406	}
2407
2408	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
2409		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
2410		Log.d(Config.LOGTAG, request.toString());
2411		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2412			@Override
2413			public void onIqPacketReceived(Account account, IqPacket packet) {
2414				Log.d(Config.LOGTAG, packet.toString());
2415				if (packet.getType() == IqPacket.TYPE.RESULT) {
2416					callback.onRoleChangedSuccessful(nick);
2417				} else {
2418					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
2419				}
2420			}
2421		});
2422	}
2423
2424	private void disconnect(Account account, boolean force) {
2425		if ((account.getStatus() == Account.State.ONLINE)
2426				|| (account.getStatus() == Account.State.DISABLED)) {
2427			final XmppConnection connection = account.getXmppConnection();
2428			if (!force) {
2429				List<Conversation> conversations = getConversations();
2430				for (Conversation conversation : conversations) {
2431					if (conversation.getAccount() == account) {
2432						if (conversation.getMode() == Conversation.MODE_MULTI) {
2433							leaveMuc(conversation, true);
2434						} else {
2435							if (conversation.endOtrIfNeeded()) {
2436								Log.d(Config.LOGTAG, account.getJid().toBareJid()
2437										+ ": ended otr session with "
2438										+ conversation.getJid());
2439							}
2440						}
2441					}
2442				}
2443				sendOfflinePresence(account);
2444			}
2445			connection.disconnect(force);
2446		}
2447	}
2448
2449	@Override
2450	public IBinder onBind(Intent intent) {
2451		return mBinder;
2452	}
2453
2454	public void updateMessage(Message message) {
2455		databaseBackend.updateMessage(message);
2456		updateConversationUi();
2457	}
2458
2459	public void updateMessage(Message message, String uuid) {
2460		databaseBackend.updateMessage(message, uuid);
2461		updateConversationUi();
2462	}
2463
2464	protected void syncDirtyContacts(Account account) {
2465		for (Contact contact : account.getRoster().getContacts()) {
2466			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
2467				pushContactToServer(contact);
2468			}
2469			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
2470				deleteContactOnServer(contact);
2471			}
2472		}
2473	}
2474
2475	public void createContact(Contact contact) {
2476		boolean autoGrant = getPreferences().getBoolean("grant_new_contacts", true);
2477		if (autoGrant) {
2478			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
2479			contact.setOption(Contact.Options.ASKING);
2480		}
2481		pushContactToServer(contact);
2482	}
2483
2484	public void onOtrSessionEstablished(Conversation conversation) {
2485		final Account account = conversation.getAccount();
2486		final Session otrSession = conversation.getOtrSession();
2487		Log.d(Config.LOGTAG,
2488				account.getJid().toBareJid() + " otr session established with "
2489						+ conversation.getJid() + "/"
2490						+ otrSession.getSessionID().getUserID());
2491		conversation.findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR, new Conversation.OnMessageFound() {
2492
2493			@Override
2494			public void onMessageFound(Message message) {
2495				SessionID id = otrSession.getSessionID();
2496				try {
2497					message.setCounterpart(Jid.fromString(id.getAccountID() + "/" + id.getUserID()));
2498				} catch (InvalidJidException e) {
2499					return;
2500				}
2501				if (message.needsUploading()) {
2502					mJingleConnectionManager.createNewConnection(message);
2503				} else {
2504					MessagePacket outPacket = mMessageGenerator.generateOtrChat(message);
2505					if (outPacket != null) {
2506						mMessageGenerator.addDelay(outPacket, message.getTimeSent());
2507						message.setStatus(Message.STATUS_SEND);
2508						databaseBackend.updateMessage(message);
2509						sendMessagePacket(account, outPacket);
2510					}
2511				}
2512				updateConversationUi();
2513			}
2514		});
2515	}
2516
2517	public boolean renewSymmetricKey(Conversation conversation) {
2518		Account account = conversation.getAccount();
2519		byte[] symmetricKey = new byte[32];
2520		this.mRandom.nextBytes(symmetricKey);
2521		Session otrSession = conversation.getOtrSession();
2522		if (otrSession != null) {
2523			MessagePacket packet = new MessagePacket();
2524			packet.setType(MessagePacket.TYPE_CHAT);
2525			packet.setFrom(account.getJid());
2526			MessageGenerator.addMessageHints(packet);
2527			packet.setAttribute("to", otrSession.getSessionID().getAccountID() + "/"
2528					+ otrSession.getSessionID().getUserID());
2529			try {
2530				packet.setBody(otrSession
2531						.transformSending(CryptoHelper.FILETRANSFER
2532								+ CryptoHelper.bytesToHex(symmetricKey))[0]);
2533				sendMessagePacket(account, packet);
2534				conversation.setSymmetricKey(symmetricKey);
2535				return true;
2536			} catch (OtrException e) {
2537				return false;
2538			}
2539		}
2540		return false;
2541	}
2542
2543	public void pushContactToServer(final Contact contact) {
2544		contact.resetOption(Contact.Options.DIRTY_DELETE);
2545		contact.setOption(Contact.Options.DIRTY_PUSH);
2546		final Account account = contact.getAccount();
2547		if (account.getStatus() == Account.State.ONLINE) {
2548			final boolean ask = contact.getOption(Contact.Options.ASKING);
2549			final boolean sendUpdates = contact
2550					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
2551					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
2552			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2553			iq.query(Xmlns.ROSTER).addChild(contact.asElement());
2554			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2555			if (sendUpdates) {
2556				sendPresencePacket(account,
2557						mPresenceGenerator.sendPresenceUpdatesTo(contact));
2558			}
2559			if (ask) {
2560				sendPresencePacket(account,
2561						mPresenceGenerator.requestPresenceUpdatesFrom(contact));
2562			}
2563		}
2564	}
2565
2566	public void publishAvatar(Account account, Uri image, UiCallback<Avatar> callback) {
2567		final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2568		final int size = Config.AVATAR_SIZE;
2569		final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2570		if (avatar != null) {
2571			avatar.height = size;
2572			avatar.width = size;
2573			if (format.equals(Bitmap.CompressFormat.WEBP)) {
2574				avatar.type = "image/webp";
2575			} else if (format.equals(Bitmap.CompressFormat.JPEG)) {
2576				avatar.type = "image/jpeg";
2577			} else if (format.equals(Bitmap.CompressFormat.PNG)) {
2578				avatar.type = "image/png";
2579			}
2580			if (!getFileBackend().save(avatar)) {
2581				callback.error(R.string.error_saving_avatar, avatar);
2582				return;
2583			}
2584			publishAvatar(account, avatar, callback);
2585		} else {
2586			callback.error(R.string.error_publish_avatar_converting, null);
2587		}
2588	}
2589
2590	public void publishAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2591		final IqPacket packet = this.mIqGenerator.publishAvatar(avatar);
2592		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2593
2594			@Override
2595			public void onIqPacketReceived(Account account, IqPacket result) {
2596				if (result.getType() == IqPacket.TYPE.RESULT) {
2597					final IqPacket packet = XmppConnectionService.this.mIqGenerator
2598							.publishAvatarMetadata(avatar);
2599					sendIqPacket(account, packet, new OnIqPacketReceived() {
2600						@Override
2601						public void onIqPacketReceived(Account account, IqPacket result) {
2602							if (result.getType() == IqPacket.TYPE.RESULT) {
2603								if (account.setAvatar(avatar.getFilename())) {
2604									getAvatarService().clear(account);
2605									databaseBackend.updateAccount(account);
2606								}
2607								if (callback != null) {
2608									callback.success(avatar);
2609								} else {
2610									Log.d(Config.LOGTAG,account.getJid().toBareJid()+": published avatar");
2611								}
2612							} else {
2613								if (callback != null) {
2614									callback.error(
2615											R.string.error_publish_avatar_server_reject,
2616											avatar);
2617								}
2618							}
2619						}
2620					});
2621				} else {
2622					if (callback != null) {
2623						callback.error(
2624								R.string.error_publish_avatar_server_reject,
2625								avatar);
2626					}
2627				}
2628			}
2629		});
2630	}
2631
2632	public void republishAvatarIfNeeded(Account account) {
2633		if (account.getAxolotlService().isPepBroken()) {
2634			Log.d(Config.LOGTAG,account.getJid().toBareJid()+": skipping republication of avatar because pep is broken");
2635			return;
2636		}
2637		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2638		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2639
2640			private Avatar parseAvatar(IqPacket packet) {
2641				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
2642				if (pubsub != null) {
2643					Element items = pubsub.findChild("items");
2644					if (items != null) {
2645						return Avatar.parseMetadata(items);
2646					}
2647				}
2648				return null;
2649			}
2650
2651			private boolean errorIsItemNotFound(IqPacket packet) {
2652				Element error = packet.findChild("error");
2653				return packet.getType() == IqPacket.TYPE.ERROR
2654						&& error != null
2655						&& error.hasChild("item-not-found");
2656			}
2657
2658			@Override
2659			public void onIqPacketReceived(Account account, IqPacket packet) {
2660				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
2661					Avatar serverAvatar = parseAvatar(packet);
2662					if (serverAvatar == null && account.getAvatar() != null) {
2663						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
2664						if (avatar != null) {
2665							Log.d(Config.LOGTAG,account.getJid().toBareJid()+": avatar on server was null. republishing");
2666							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
2667						} else {
2668							Log.e(Config.LOGTAG, account.getJid().toBareJid()+": error rereading avatar");
2669						}
2670					}
2671				}
2672			}
2673		});
2674	}
2675
2676	public void fetchAvatar(Account account, Avatar avatar) {
2677		fetchAvatar(account, avatar, null);
2678	}
2679
2680	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2681		final String KEY = generateFetchKey(account, avatar);
2682		synchronized (this.mInProgressAvatarFetches) {
2683			if (!this.mInProgressAvatarFetches.contains(KEY)) {
2684				switch (avatar.origin) {
2685					case PEP:
2686						this.mInProgressAvatarFetches.add(KEY);
2687						fetchAvatarPep(account, avatar, callback);
2688						break;
2689					case VCARD:
2690						this.mInProgressAvatarFetches.add(KEY);
2691						fetchAvatarVcard(account, avatar, callback);
2692						break;
2693				}
2694			}
2695		}
2696	}
2697
2698	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2699		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
2700		sendIqPacket(account, packet, new OnIqPacketReceived() {
2701
2702			@Override
2703			public void onIqPacketReceived(Account account, IqPacket result) {
2704				synchronized (mInProgressAvatarFetches) {
2705					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2706				}
2707				final String ERROR = account.getJid().toBareJid()
2708						+ ": fetching avatar for " + avatar.owner + " failed ";
2709				if (result.getType() == IqPacket.TYPE.RESULT) {
2710					avatar.image = mIqParser.avatarData(result);
2711					if (avatar.image != null) {
2712						if (getFileBackend().save(avatar)) {
2713							if (account.getJid().toBareJid().equals(avatar.owner)) {
2714								if (account.setAvatar(avatar.getFilename())) {
2715									databaseBackend.updateAccount(account);
2716								}
2717								getAvatarService().clear(account);
2718								updateConversationUi();
2719								updateAccountUi();
2720							} else {
2721								Contact contact = account.getRoster()
2722										.getContact(avatar.owner);
2723								contact.setAvatar(avatar);
2724								getAvatarService().clear(contact);
2725								updateConversationUi();
2726								updateRosterUi();
2727							}
2728							if (callback != null) {
2729								callback.success(avatar);
2730							}
2731							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2732									+ ": successfully fetched pep avatar for " + avatar.owner);
2733							return;
2734						}
2735					} else {
2736
2737						Log.d(Config.LOGTAG, ERROR + "(parsing error)");
2738					}
2739				} else {
2740					Element error = result.findChild("error");
2741					if (error == null) {
2742						Log.d(Config.LOGTAG, ERROR + "(server error)");
2743					} else {
2744						Log.d(Config.LOGTAG, ERROR + error.toString());
2745					}
2746				}
2747				if (callback != null) {
2748					callback.error(0, null);
2749				}
2750
2751			}
2752		});
2753	}
2754
2755	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2756		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
2757		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2758			@Override
2759			public void onIqPacketReceived(Account account, IqPacket packet) {
2760				synchronized (mInProgressAvatarFetches) {
2761					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2762				}
2763				if (packet.getType() == IqPacket.TYPE.RESULT) {
2764					Element vCard = packet.findChild("vCard", "vcard-temp");
2765					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
2766					String image = photo != null ? photo.findChildContent("BINVAL") : null;
2767					if (image != null) {
2768						avatar.image = image;
2769						if (getFileBackend().save(avatar)) {
2770							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2771									+ ": successfully fetched vCard avatar for " + avatar.owner);
2772							if (avatar.owner.isBareJid()) {
2773								if (account.getJid().toBareJid().equals(avatar.owner) && account.getAvatar() == null) {
2774									Log.d(Config.LOGTAG,account.getJid().toBareJid()+": had no avatar. replacing with vcard");
2775									account.setAvatar(avatar.getFilename());
2776									databaseBackend.updateAccount(account);
2777									getAvatarService().clear(account);
2778									updateAccountUi();
2779								} else {
2780									Contact contact = account.getRoster().getContact(avatar.owner);
2781									contact.setAvatar(avatar);
2782									getAvatarService().clear(contact);
2783									updateRosterUi();
2784								}
2785								updateConversationUi();
2786							} else {
2787								Conversation conversation = find(account, avatar.owner.toBareJid());
2788								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
2789									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
2790									if (user != null) {
2791										if (user.setAvatar(avatar)) {
2792											getAvatarService().clear(user);
2793											updateConversationUi();
2794											updateMucRosterUi();
2795										}
2796									}
2797								}
2798							}
2799						}
2800					}
2801				}
2802			}
2803		});
2804	}
2805
2806	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
2807		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2808		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2809
2810			@Override
2811			public void onIqPacketReceived(Account account, IqPacket packet) {
2812				if (packet.getType() == IqPacket.TYPE.RESULT) {
2813					Element pubsub = packet.findChild("pubsub","http://jabber.org/protocol/pubsub");
2814					if (pubsub != null) {
2815						Element items = pubsub.findChild("items");
2816						if (items != null) {
2817							Avatar avatar = Avatar.parseMetadata(items);
2818							if (avatar != null) {
2819								avatar.owner = account.getJid().toBareJid();
2820								if (fileBackend.isAvatarCached(avatar)) {
2821									if (account.setAvatar(avatar.getFilename())) {
2822										databaseBackend.updateAccount(account);
2823									}
2824									getAvatarService().clear(account);
2825									callback.success(avatar);
2826								} else {
2827									fetchAvatarPep(account, avatar, callback);
2828								}
2829								return;
2830							}
2831						}
2832					}
2833				}
2834				callback.error(0, null);
2835			}
2836		});
2837	}
2838
2839	public void deleteContactOnServer(Contact contact) {
2840		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
2841		contact.resetOption(Contact.Options.DIRTY_PUSH);
2842		contact.setOption(Contact.Options.DIRTY_DELETE);
2843		Account account = contact.getAccount();
2844		if (account.getStatus() == Account.State.ONLINE) {
2845			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2846			Element item = iq.query(Xmlns.ROSTER).addChild("item");
2847			item.setAttribute("jid", contact.getJid().toString());
2848			item.setAttribute("subscription", "remove");
2849			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2850		}
2851	}
2852
2853	public void updateConversation(Conversation conversation) {
2854		this.databaseBackend.updateConversation(conversation);
2855	}
2856
2857	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
2858		synchronized (account) {
2859			XmppConnection connection = account.getXmppConnection();
2860			if (connection == null) {
2861				connection = createConnection(account);
2862				account.setXmppConnection(connection);
2863			} else {
2864				connection.interrupt();
2865			}
2866			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2867				if (!force) {
2868					disconnect(account, false);
2869				}
2870				Thread thread = new Thread(connection);
2871				connection.setInteractive(interactive);
2872				connection.prepareNewConnection();
2873				thread.start();
2874				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
2875			} else {
2876				disconnect(account, force);
2877				account.getRoster().clearPresences();
2878				connection.resetEverything();
2879				account.getAxolotlService().resetBrokenness();
2880			}
2881		}
2882	}
2883
2884	public void reconnectAccountInBackground(final Account account) {
2885		new Thread(new Runnable() {
2886			@Override
2887			public void run() {
2888				reconnectAccount(account, false, true);
2889			}
2890		}).start();
2891	}
2892
2893	public void invite(Conversation conversation, Jid contact) {
2894		Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": inviting " + contact + " to " + conversation.getJid().toBareJid());
2895		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
2896		sendMessagePacket(conversation.getAccount(), packet);
2897	}
2898
2899	public void directInvite(Conversation conversation, Jid jid) {
2900		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
2901		sendMessagePacket(conversation.getAccount(), packet);
2902	}
2903
2904	public void resetSendingToWaiting(Account account) {
2905		for (Conversation conversation : getConversations()) {
2906			if (conversation.getAccount() == account) {
2907				conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
2908
2909					@Override
2910					public void onMessageFound(Message message) {
2911						markMessage(message, Message.STATUS_WAITING);
2912					}
2913				});
2914			}
2915		}
2916	}
2917
2918	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
2919		if (uuid == null) {
2920			return null;
2921		}
2922		for (Conversation conversation : getConversations()) {
2923			if (conversation.getJid().toBareJid().equals(recipient) && conversation.getAccount() == account) {
2924				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
2925				if (message != null) {
2926					markMessage(message, status);
2927				}
2928				return message;
2929			}
2930		}
2931		return null;
2932	}
2933
2934	public boolean markMessage(Conversation conversation, String uuid, int status) {
2935		if (uuid == null) {
2936			return false;
2937		} else {
2938			Message message = conversation.findSentMessageWithUuid(uuid);
2939			if (message != null) {
2940				markMessage(message, status);
2941				return true;
2942			} else {
2943				return false;
2944			}
2945		}
2946	}
2947
2948	public void markMessage(Message message, int status) {
2949		if (status == Message.STATUS_SEND_FAILED
2950				&& (message.getStatus() == Message.STATUS_SEND_RECEIVED || message
2951				.getStatus() == Message.STATUS_SEND_DISPLAYED)) {
2952			return;
2953		}
2954		message.setStatus(status);
2955		databaseBackend.updateMessage(message);
2956		updateConversationUi();
2957	}
2958
2959	public SharedPreferences getPreferences() {
2960		return PreferenceManager
2961				.getDefaultSharedPreferences(getApplicationContext());
2962	}
2963
2964	public boolean confirmMessages() {
2965		return getPreferences().getBoolean("confirm_messages", true);
2966	}
2967
2968	public boolean allowMessageCorrection() {
2969		return getPreferences().getBoolean("allow_message_correction", true);
2970	}
2971
2972	public boolean sendChatStates() {
2973		return getPreferences().getBoolean("chat_states", false);
2974	}
2975
2976	public boolean saveEncryptedMessages() {
2977		return !getPreferences().getBoolean("dont_save_encrypted", false);
2978	}
2979
2980	private boolean respectAutojoin() {
2981		return getPreferences().getBoolean("autojoin", true);
2982	}
2983
2984	public boolean indicateReceived() {
2985		return getPreferences().getBoolean("indicate_received", false);
2986	}
2987
2988	public boolean useTorToConnect() {
2989		return Config.FORCE_ORBOT || getPreferences().getBoolean("use_tor", false);
2990	}
2991
2992	public boolean showExtendedConnectionOptions() {
2993		return getPreferences().getBoolean("show_connection_options", false);
2994	}
2995
2996	public boolean broadcastLastActivity() {
2997		return getPreferences().getBoolean("last_activity", false);
2998	}
2999
3000	public int unreadCount() {
3001		int count = 0;
3002		for (Conversation conversation : getConversations()) {
3003			count += conversation.unreadCount();
3004		}
3005		return count;
3006	}
3007
3008
3009	public void showErrorToastInUi(int resId) {
3010		if (mOnShowErrorToast != null) {
3011			mOnShowErrorToast.onShowErrorToast(resId);
3012		}
3013	}
3014
3015	public void updateConversationUi() {
3016		if (mOnConversationUpdate != null) {
3017			mOnConversationUpdate.onConversationUpdate();
3018		}
3019	}
3020
3021	public void updateAccountUi() {
3022		if (mOnAccountUpdate != null) {
3023			mOnAccountUpdate.onAccountUpdate();
3024		}
3025	}
3026
3027	public void updateRosterUi() {
3028		if (mOnRosterUpdate != null) {
3029			mOnRosterUpdate.onRosterUpdate();
3030		}
3031	}
3032
3033	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3034		if (mOnCaptchaRequested != null) {
3035			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3036			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3037					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3038
3039			mOnCaptchaRequested.onCaptchaRequested(account, id, data, scaled);
3040			return true;
3041		}
3042		return false;
3043	}
3044
3045	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3046		if (mOnUpdateBlocklist != null) {
3047			mOnUpdateBlocklist.OnUpdateBlocklist(status);
3048		}
3049	}
3050
3051	public void updateMucRosterUi() {
3052		if (mOnMucRosterUpdate != null) {
3053			mOnMucRosterUpdate.onMucRosterUpdate();
3054		}
3055	}
3056
3057	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3058		if (mOnKeyStatusUpdated != null) {
3059			mOnKeyStatusUpdated.onKeyStatusUpdated(report);
3060		}
3061	}
3062
3063	public Account findAccountByJid(final Jid accountJid) {
3064		for (Account account : this.accounts) {
3065			if (account.getJid().toBareJid().equals(accountJid.toBareJid())) {
3066				return account;
3067			}
3068		}
3069		return null;
3070	}
3071
3072	public Conversation findConversationByUuid(String uuid) {
3073		for (Conversation conversation : getConversations()) {
3074			if (conversation.getUuid().equals(uuid)) {
3075				return conversation;
3076			}
3077		}
3078		return null;
3079	}
3080
3081	public boolean markRead(final Conversation conversation) {
3082		return markRead(conversation,true);
3083	}
3084
3085	public boolean markRead(final Conversation conversation, boolean clear) {
3086		if (clear) {
3087			mNotificationService.clear(conversation);
3088		}
3089		final List<Message> readMessages = conversation.markRead();
3090		if (readMessages.size() > 0) {
3091			Runnable runnable = new Runnable() {
3092				@Override
3093				public void run() {
3094					for (Message message : readMessages) {
3095						databaseBackend.updateMessage(message);
3096					}
3097				}
3098			};
3099			mDatabaseExecutor.execute(runnable);
3100			updateUnreadCountBadge();
3101			return true;
3102		} else {
3103			return false;
3104		}
3105	}
3106
3107	public synchronized void updateUnreadCountBadge() {
3108		int count = unreadCount();
3109		if (unreadCount != count) {
3110			Log.d(Config.LOGTAG, "update unread count to " + count);
3111			if (count > 0) {
3112				ShortcutBadger.applyCount(getApplicationContext(), count);
3113			} else {
3114				ShortcutBadger.removeCount(getApplicationContext());
3115			}
3116			unreadCount = count;
3117		}
3118	}
3119
3120	public void sendReadMarker(final Conversation conversation) {
3121		final Message markable = conversation.getLatestMarkableMessage();
3122		if (this.markRead(conversation)) {
3123			updateConversationUi();
3124		}
3125		if (confirmMessages()
3126				&& markable != null
3127				&& markable.trusted()
3128				&& markable.getRemoteMsgId() != null) {
3129			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
3130			Account account = conversation.getAccount();
3131			final Jid to = markable.getCounterpart();
3132			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId());
3133			this.sendMessagePacket(conversation.getAccount(), packet);
3134		}
3135	}
3136
3137	public SecureRandom getRNG() {
3138		return this.mRandom;
3139	}
3140
3141	public MemorizingTrustManager getMemorizingTrustManager() {
3142		return this.mMemorizingTrustManager;
3143	}
3144
3145	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
3146		this.mMemorizingTrustManager = trustManager;
3147	}
3148
3149	public void updateMemorizingTrustmanager() {
3150		final MemorizingTrustManager tm;
3151		final boolean dontTrustSystemCAs = getPreferences().getBoolean("dont_trust_system_cas", false);
3152		if (dontTrustSystemCAs) {
3153			tm = new MemorizingTrustManager(getApplicationContext(), null);
3154		} else {
3155			tm = new MemorizingTrustManager(getApplicationContext());
3156		}
3157		setMemorizingTrustManager(tm);
3158	}
3159
3160	public PowerManager getPowerManager() {
3161		return this.pm;
3162	}
3163
3164	public LruCache<String, Bitmap> getBitmapCache() {
3165		return this.mBitmapCache;
3166	}
3167
3168	public void syncRosterToDisk(final Account account) {
3169		Runnable runnable = new Runnable() {
3170
3171			@Override
3172			public void run() {
3173				databaseBackend.writeRoster(account.getRoster());
3174			}
3175		};
3176		mDatabaseExecutor.execute(runnable);
3177
3178	}
3179
3180	public List<String> getKnownHosts() {
3181		final List<String> hosts = new ArrayList<>();
3182		for (final Account account : getAccounts()) {
3183			if (!hosts.contains(account.getServer().toString())) {
3184				hosts.add(account.getServer().toString());
3185			}
3186			for (final Contact contact : account.getRoster().getContacts()) {
3187				if (contact.showInRoster()) {
3188					final String server = contact.getServer().toString();
3189					if (server != null && !hosts.contains(server)) {
3190						hosts.add(server);
3191					}
3192				}
3193			}
3194		}
3195		if(Config.DOMAIN_LOCK != null && !hosts.contains(Config.DOMAIN_LOCK)) {
3196			hosts.add(Config.DOMAIN_LOCK);
3197		}
3198		if(Config.MAGIC_CREATE_DOMAIN != null && !hosts.contains(Config.MAGIC_CREATE_DOMAIN)) {
3199			hosts.add(Config.MAGIC_CREATE_DOMAIN);
3200		}
3201		return hosts;
3202	}
3203
3204	public List<String> getKnownConferenceHosts() {
3205		final ArrayList<String> mucServers = new ArrayList<>();
3206		for (final Account account : accounts) {
3207			if (account.getXmppConnection() != null) {
3208				final String server = account.getXmppConnection().getMucServer();
3209				if (server != null && !mucServers.contains(server)) {
3210					mucServers.add(server);
3211				}
3212			}
3213		}
3214		return mucServers;
3215	}
3216
3217	public void sendMessagePacket(Account account, MessagePacket packet) {
3218		XmppConnection connection = account.getXmppConnection();
3219		if (connection != null) {
3220			connection.sendMessagePacket(packet);
3221		}
3222	}
3223
3224	public void sendPresencePacket(Account account, PresencePacket packet) {
3225		XmppConnection connection = account.getXmppConnection();
3226		if (connection != null) {
3227			connection.sendPresencePacket(packet);
3228		}
3229	}
3230
3231	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
3232		final XmppConnection connection = account.getXmppConnection();
3233		if (connection != null) {
3234			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
3235			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener);
3236		}
3237	}
3238
3239	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
3240		final XmppConnection connection = account.getXmppConnection();
3241		if (connection != null) {
3242			connection.sendIqPacket(packet, callback);
3243		}
3244	}
3245
3246	public void sendPresence(final Account account) {
3247		sendPresence(account, checkListeners() && broadcastLastActivity());
3248	}
3249
3250	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
3251		PresencePacket packet;
3252		if (manuallyChangePresence()) {
3253			packet =  mPresenceGenerator.selfPresence(account, account.getPresenceStatus());
3254			String message = account.getPresenceStatusMessage();
3255			if (message != null && !message.isEmpty()) {
3256				packet.addChild(new Element("status").setContent(message));
3257			}
3258		} else {
3259			packet = mPresenceGenerator.selfPresence(account, getTargetPresence());
3260		}
3261		if (mLastActivity > 0 && includeIdleTimestamp) {
3262			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
3263			packet.addChild("idle","urn:xmpp:idle:1").setAttribute("since", AbstractGenerator.getTimestamp(since));
3264		}
3265		sendPresencePacket(account, packet);
3266	}
3267
3268	private void deactivateGracePeriod() {
3269		for(Account account : getAccounts()) {
3270			account.deactivateGracePeriod();
3271		}
3272	}
3273
3274	public void refreshAllPresences() {
3275		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
3276		for (Account account : getAccounts()) {
3277			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
3278				sendPresence(account, includeIdleTimestamp);
3279			}
3280		}
3281	}
3282
3283	private void refreshAllGcmTokens() {
3284		for(Account account : getAccounts()) {
3285			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
3286				mPushManagementService.registerPushTokenOnServer(account);
3287			}
3288		}
3289	}
3290
3291	private void sendOfflinePresence(final Account account) {
3292		Log.d(Config.LOGTAG,account.getJid().toBareJid()+": sending offline presence");
3293		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
3294	}
3295
3296	public MessageGenerator getMessageGenerator() {
3297		return this.mMessageGenerator;
3298	}
3299
3300	public PresenceGenerator getPresenceGenerator() {
3301		return this.mPresenceGenerator;
3302	}
3303
3304	public IqGenerator getIqGenerator() {
3305		return this.mIqGenerator;
3306	}
3307
3308	public IqParser getIqParser() {
3309		return this.mIqParser;
3310	}
3311
3312	public JingleConnectionManager getJingleConnectionManager() {
3313		return this.mJingleConnectionManager;
3314	}
3315
3316	public MessageArchiveService getMessageArchiveService() {
3317		return this.mMessageArchiveService;
3318	}
3319
3320	public List<Contact> findContacts(Jid jid) {
3321		ArrayList<Contact> contacts = new ArrayList<>();
3322		for (Account account : getAccounts()) {
3323			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
3324				Contact contact = account.getRoster().getContactFromRoster(jid);
3325				if (contact != null) {
3326					contacts.add(contact);
3327				}
3328			}
3329		}
3330		return contacts;
3331	}
3332
3333	public Conversation findFirstMuc(Jid jid) {
3334		for(Conversation conversation : getConversations()) {
3335			if (conversation.getJid().toBareJid().equals(jid.toBareJid())
3336					&& conversation.getMode() == Conversation.MODE_MULTI) {
3337				return conversation;
3338			}
3339		}
3340		return null;
3341	}
3342
3343	public NotificationService getNotificationService() {
3344		return this.mNotificationService;
3345	}
3346
3347	public HttpConnectionManager getHttpConnectionManager() {
3348		return this.mHttpConnectionManager;
3349	}
3350
3351	public void resendFailedMessages(final Message message) {
3352		final Collection<Message> messages = new ArrayList<>();
3353		Message current = message;
3354		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
3355			messages.add(current);
3356			if (current.mergeable(current.next())) {
3357				current = current.next();
3358			} else {
3359				break;
3360			}
3361		}
3362		for (final Message msg : messages) {
3363			msg.setTime(System.currentTimeMillis());
3364			markMessage(msg, Message.STATUS_WAITING);
3365			this.resendMessage(msg, false);
3366		}
3367	}
3368
3369	public void clearConversationHistory(final Conversation conversation) {
3370		conversation.clearMessages();
3371		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
3372		conversation.setLastClearHistory(System.currentTimeMillis());
3373		Runnable runnable = new Runnable() {
3374			@Override
3375			public void run() {
3376				databaseBackend.deleteMessagesInConversation(conversation);
3377				databaseBackend.updateConversation(conversation);
3378			}
3379		};
3380		mDatabaseExecutor.execute(runnable);
3381	}
3382
3383	public void sendBlockRequest(final Blockable blockable, boolean reportSpam) {
3384		if (blockable != null && blockable.getBlockedJid() != null) {
3385			final Jid jid = blockable.getBlockedJid();
3386			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), new OnIqPacketReceived() {
3387
3388				@Override
3389				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3390					if (packet.getType() == IqPacket.TYPE.RESULT) {
3391						account.getBlocklist().add(jid);
3392						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
3393					}
3394				}
3395			});
3396		}
3397	}
3398
3399	public void sendUnblockRequest(final Blockable blockable) {
3400		if (blockable != null && blockable.getJid() != null) {
3401			final Jid jid = blockable.getBlockedJid();
3402			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
3403				@Override
3404				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3405					if (packet.getType() == IqPacket.TYPE.RESULT) {
3406						account.getBlocklist().remove(jid);
3407						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
3408					}
3409				}
3410			});
3411		}
3412	}
3413
3414	public void publishDisplayName(Account account) {
3415		String displayName = account.getDisplayName();
3416		if (displayName != null && !displayName.isEmpty()) {
3417			IqPacket publish = mIqGenerator.publishNick(displayName);
3418			sendIqPacket(account, publish, new OnIqPacketReceived() {
3419				@Override
3420				public void onIqPacketReceived(Account account, IqPacket packet) {
3421					if (packet.getType() == IqPacket.TYPE.ERROR) {
3422						Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not publish nick");
3423					}
3424				}
3425			});
3426		}
3427	}
3428
3429	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
3430		ServiceDiscoveryResult result = discoCache.get(key);
3431		if (result != null) {
3432			return result;
3433		} else {
3434			result = databaseBackend.findDiscoveryResult(key.first, key.second);
3435			if (result != null) {
3436				discoCache.put(key, result);
3437			}
3438			return result;
3439		}
3440	}
3441
3442	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
3443		final Pair<String,String> key = new Pair<>(presence.getHash(), presence.getVer());
3444		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
3445		if (disco != null) {
3446			presence.setServiceDiscoveryResult(disco);
3447		} else {
3448			if (!account.inProgressDiscoFetches.contains(key)) {
3449				account.inProgressDiscoFetches.add(key);
3450				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3451				request.setTo(jid);
3452				request.query("http://jabber.org/protocol/disco#info");
3453				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": making disco request for "+key.second+" to "+jid);
3454				sendIqPacket(account, request, new OnIqPacketReceived() {
3455					@Override
3456					public void onIqPacketReceived(Account account, IqPacket discoPacket) {
3457						if (discoPacket.getType() == IqPacket.TYPE.RESULT) {
3458							ServiceDiscoveryResult disco = new ServiceDiscoveryResult(discoPacket);
3459							if (presence.getVer().equals(disco.getVer())) {
3460								databaseBackend.insertDiscoveryResult(disco);
3461								injectServiceDiscorveryResult(account.getRoster(), presence.getHash(), presence.getVer(), disco);
3462							} else {
3463								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + disco.getVer());
3464							}
3465						}
3466						account.inProgressDiscoFetches.remove(key);
3467					}
3468				});
3469			}
3470		}
3471	}
3472
3473	private void injectServiceDiscorveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
3474		for(Contact contact : roster.getContacts()) {
3475			for(Presence presence : contact.getPresences().getPresences().values()) {
3476				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
3477					presence.setServiceDiscoveryResult(disco);
3478				}
3479			}
3480		}
3481	}
3482
3483	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
3484		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3485		request.addChild("prefs","urn:xmpp:mam:0");
3486		sendIqPacket(account, request, new OnIqPacketReceived() {
3487			@Override
3488			public void onIqPacketReceived(Account account, IqPacket packet) {
3489				Element prefs = packet.findChild("prefs","urn:xmpp:mam:0");
3490				if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
3491					callback.onPreferencesFetched(prefs);
3492				} else {
3493					callback.onPreferencesFetchFailed();
3494				}
3495			}
3496		});
3497	}
3498
3499	public PushManagementService getPushManagementService() {
3500		return mPushManagementService;
3501	}
3502
3503	public Account getPendingAccount() {
3504		Account pending = null;
3505		for(Account account : getAccounts()) {
3506			if (account.isOptionSet(Account.OPTION_REGISTER)) {
3507				pending = account;
3508			} else {
3509				return null;
3510			}
3511		}
3512		return pending;
3513	}
3514
3515	public void changeStatus(Account account, Presence.Status status, String statusMessage, boolean send) {
3516		if (!statusMessage.isEmpty()) {
3517			databaseBackend.insertPresenceTemplate(new PresenceTemplate(status, statusMessage));
3518		}
3519		changeStatusReal(account, status, statusMessage, send);
3520	}
3521
3522	private void changeStatusReal(Account account, Presence.Status status, String statusMessage, boolean send) {
3523		account.setPresenceStatus(status);
3524		account.setPresenceStatusMessage(statusMessage);
3525		databaseBackend.updateAccount(account);
3526		if (!account.isOptionSet(Account.OPTION_DISABLED) && send) {
3527			sendPresence(account);
3528		}
3529	}
3530
3531	public void changeStatus(Presence.Status status, String statusMessage) {
3532		if (!statusMessage.isEmpty()) {
3533			databaseBackend.insertPresenceTemplate(new PresenceTemplate(status, statusMessage));
3534		}
3535		for(Account account : getAccounts()) {
3536			changeStatusReal(account, status, statusMessage, true);
3537		}
3538	}
3539
3540	public List<PresenceTemplate> getPresenceTemplates(Account account) {
3541		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
3542		for(PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
3543			if (!templates.contains(template)) {
3544				templates.add(0, template);
3545			}
3546		}
3547		return templates;
3548	}
3549
3550	public void saveConversationAsBookmark(Conversation conversation, String name) {
3551		Account account = conversation.getAccount();
3552		Bookmark bookmark = new Bookmark(account, conversation.getJid().toBareJid());
3553		if (!conversation.getJid().isBareJid()) {
3554			bookmark.setNick(conversation.getJid().getResourcepart());
3555		}
3556		if (name != null && !name.trim().isEmpty()) {
3557			bookmark.setBookmarkName(name.trim());
3558		}
3559		bookmark.setAutojoin(getPreferences().getBoolean("autojoin",true));
3560		account.getBookmarks().add(bookmark);
3561		pushBookmarks(account);
3562		conversation.setBookmark(bookmark);
3563	}
3564
3565	public interface OnMamPreferencesFetched {
3566		void onPreferencesFetched(Element prefs);
3567		void onPreferencesFetchFailed();
3568	}
3569
3570	public void pushMamPreferences(Account account, Element prefs) {
3571		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3572		set.addChild(prefs);
3573		sendIqPacket(account, set, null);
3574	}
3575
3576	public interface OnAccountCreated {
3577		void onAccountCreated(Account account);
3578
3579		void informUser(int r);
3580	}
3581
3582	public interface OnMoreMessagesLoaded {
3583		void onMoreMessagesLoaded(int count, Conversation conversation);
3584
3585		void informUser(int r);
3586	}
3587
3588	public interface OnAccountPasswordChanged {
3589		void onPasswordChangeSucceeded();
3590
3591		void onPasswordChangeFailed();
3592	}
3593
3594	public interface OnAffiliationChanged {
3595		void onAffiliationChangedSuccessful(Jid jid);
3596
3597		void onAffiliationChangeFailed(Jid jid, int resId);
3598	}
3599
3600	public interface OnRoleChanged {
3601		void onRoleChangedSuccessful(String nick);
3602
3603		void onRoleChangeFailed(String nick, int resid);
3604	}
3605
3606	public interface OnConversationUpdate {
3607		void onConversationUpdate();
3608	}
3609
3610	public interface OnAccountUpdate {
3611		void onAccountUpdate();
3612	}
3613
3614	public interface OnCaptchaRequested {
3615		void onCaptchaRequested(Account account,
3616								String id,
3617								Data data,
3618								Bitmap captcha);
3619	}
3620
3621	public interface OnRosterUpdate {
3622		void onRosterUpdate();
3623	}
3624
3625	public interface OnMucRosterUpdate {
3626		void onMucRosterUpdate();
3627	}
3628
3629	public interface OnConferenceConfigurationFetched {
3630		void onConferenceConfigurationFetched(Conversation conversation);
3631
3632		void onFetchFailed(Conversation conversation, Element error);
3633	}
3634
3635	public interface OnConferenceJoined {
3636		void onConferenceJoined(Conversation conversation);
3637	}
3638
3639	public interface OnConferenceOptionsPushed {
3640		void onPushSucceeded();
3641
3642		void onPushFailed();
3643	}
3644
3645	public interface OnShowErrorToast {
3646		void onShowErrorToast(int resId);
3647	}
3648
3649	public class XmppConnectionBinder extends Binder {
3650		public XmppConnectionService getService() {
3651			return XmppConnectionService.this;
3652		}
3653	}
3654}