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.FingerprintStatus;
  69import eu.siacs.conversations.crypto.axolotl.XmppAxolotlMessage;
  70import eu.siacs.conversations.entities.Account;
  71import eu.siacs.conversations.entities.Blockable;
  72import eu.siacs.conversations.entities.Bookmark;
  73import eu.siacs.conversations.entities.Contact;
  74import eu.siacs.conversations.entities.Conversation;
  75import eu.siacs.conversations.entities.DownloadableFile;
  76import eu.siacs.conversations.entities.Message;
  77import eu.siacs.conversations.entities.MucOptions;
  78import eu.siacs.conversations.entities.MucOptions.OnRenameListener;
  79import eu.siacs.conversations.entities.Presence;
  80import eu.siacs.conversations.entities.PresenceTemplate;
  81import eu.siacs.conversations.entities.Roster;
  82import eu.siacs.conversations.entities.ServiceDiscoveryResult;
  83import eu.siacs.conversations.entities.Transferable;
  84import eu.siacs.conversations.entities.TransferablePlaceholder;
  85import eu.siacs.conversations.generator.AbstractGenerator;
  86import eu.siacs.conversations.generator.IqGenerator;
  87import eu.siacs.conversations.generator.MessageGenerator;
  88import eu.siacs.conversations.generator.PresenceGenerator;
  89import eu.siacs.conversations.http.HttpConnectionManager;
  90import eu.siacs.conversations.parser.AbstractParser;
  91import eu.siacs.conversations.parser.IqParser;
  92import eu.siacs.conversations.parser.MessageParser;
  93import eu.siacs.conversations.parser.PresenceParser;
  94import eu.siacs.conversations.persistance.DatabaseBackend;
  95import eu.siacs.conversations.persistance.FileBackend;
  96import eu.siacs.conversations.ui.UiCallback;
  97import eu.siacs.conversations.utils.ConversationsFileObserver;
  98import eu.siacs.conversations.utils.CryptoHelper;
  99import eu.siacs.conversations.utils.ExceptionHelper;
 100import eu.siacs.conversations.utils.OnPhoneContactsLoadedListener;
 101import eu.siacs.conversations.utils.PRNGFixes;
 102import eu.siacs.conversations.utils.PhoneHelper;
 103import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 104import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 105import eu.siacs.conversations.utils.Xmlns;
 106import eu.siacs.conversations.utils.XmppUri;
 107import eu.siacs.conversations.xml.Element;
 108import eu.siacs.conversations.xmpp.OnBindListener;
 109import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 110import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 111import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 112import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 113import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 114import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 115import eu.siacs.conversations.xmpp.OnStatusChanged;
 116import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 117import eu.siacs.conversations.xmpp.XmppConnection;
 118import eu.siacs.conversations.xmpp.chatstate.ChatState;
 119import eu.siacs.conversations.xmpp.forms.Data;
 120import eu.siacs.conversations.xmpp.forms.Field;
 121import eu.siacs.conversations.xmpp.jid.InvalidJidException;
 122import eu.siacs.conversations.xmpp.jid.Jid;
 123import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 124import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 125import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 126import eu.siacs.conversations.xmpp.pep.Avatar;
 127import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 128import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 129import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 130import me.leolin.shortcutbadger.ShortcutBadger;
 131
 132public class XmppConnectionService extends Service {
 133
 134	public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 135	public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 136	public static final String ACTION_DISABLE_FOREGROUND = "disable_foreground";
 137	public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 138	public static final String ACTION_TRY_AGAIN = "try_again";
 139	public static final String ACTION_IDLE_PING = "idle_ping";
 140	private static final String ACTION_MERGE_PHONE_CONTACTS = "merge_phone_contacts";
 141	public static final String ACTION_GCM_TOKEN_REFRESH = "gcm_token_refresh";
 142	public static final String ACTION_GCM_MESSAGE_RECEIVED = "gcm_message_received";
 143	private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor();
 144	private final SerialSingleThreadExecutor mDatabaseExecutor = new SerialSingleThreadExecutor();
 145	private ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor(true);
 146	private final IBinder mBinder = new XmppConnectionBinder();
 147	private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 148	private final IqGenerator mIqGenerator = new IqGenerator(this);
 149	private final List<String> mInProgressAvatarFetches = new ArrayList<>();
 150	private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 151
 152	private long mLastActivity = 0;
 153
 154	public DatabaseBackend databaseBackend;
 155	private ContentObserver contactObserver = new ContentObserver(null) {
 156		@Override
 157		public void onChange(boolean selfChange) {
 158			super.onChange(selfChange);
 159			Intent intent = new Intent(getApplicationContext(),
 160					XmppConnectionService.class);
 161			intent.setAction(ACTION_MERGE_PHONE_CONTACTS);
 162			startService(intent);
 163		}
 164	};
 165	private FileBackend fileBackend = new FileBackend(this);
 166	private MemorizingTrustManager mMemorizingTrustManager;
 167	private NotificationService mNotificationService = new NotificationService(
 168			this);
 169	private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 170	private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 171	private IqParser mIqParser = new IqParser(this);
 172	private OnIqPacketReceived mDefaultIqHandler = new OnIqPacketReceived() {
 173		@Override
 174		public void onIqPacketReceived(Account account, IqPacket packet) {
 175			if (packet.getType() != IqPacket.TYPE.RESULT) {
 176				Element error = packet.findChild("error");
 177				String text = error != null ? error.findChildContent("text") : null;
 178				if (text != null) {
 179					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": received iq error - " + text);
 180				}
 181			}
 182		}
 183	};
 184	private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 185	private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 186	private List<Account> accounts;
 187	private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 188			this);
 189	public OnContactStatusChanged onContactStatusChanged = new OnContactStatusChanged() {
 190
 191		@Override
 192		public void onContactStatusChanged(Contact contact, boolean online) {
 193			Conversation conversation = find(getConversations(), contact);
 194			if (conversation != null) {
 195				if (online) {
 196					conversation.endOtrIfNeeded();
 197					if (contact.getPresences().size() == 1) {
 198						sendUnsentMessages(conversation);
 199					}
 200				} else {
 201					//check if the resource we are haveing a conversation with is still online
 202					if (conversation.hasValidOtrSession()) {
 203						String otrResource = conversation.getOtrSession().getSessionID().getUserID();
 204						if (!(Arrays.asList(contact.getPresences().toResourceArray()).contains(otrResource))) {
 205							conversation.endOtrIfNeeded();
 206						}
 207					}
 208				}
 209			}
 210		}
 211	};
 212	private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(
 213			this);
 214	private AvatarService mAvatarService = new AvatarService(this);
 215	private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 216	private PushManagementService mPushManagementService = new PushManagementService(this);
 217	private OnConversationUpdate mOnConversationUpdate = null;
 218
 219
 220	private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 221			Environment.getExternalStorageDirectory().getAbsolutePath()
 222	) {
 223		@Override
 224		public void onEvent(int event, String path) {
 225			markFileDeleted(path);
 226		}
 227	};
 228	private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 229
 230		@Override
 231		public void onJinglePacketReceived(Account account, JinglePacket packet) {
 232			mJingleConnectionManager.deliverPacket(account, packet);
 233		}
 234	};
 235	private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 236
 237		@Override
 238		public void onMessageAcknowledged(Account account, String uuid) {
 239			for (final Conversation conversation : getConversations()) {
 240				if (conversation.getAccount() == account) {
 241					Message message = conversation.findUnsentMessageWithUuid(uuid);
 242					if (message != null) {
 243						markMessage(message, Message.STATUS_SEND);
 244					}
 245				}
 246			}
 247		}
 248	};
 249	private int convChangedListenerCount = 0;
 250	private OnShowErrorToast mOnShowErrorToast = null;
 251	private int showErrorToastListenerCount = 0;
 252	private int unreadCount = -1;
 253	private OnAccountUpdate mOnAccountUpdate = null;
 254	private OnCaptchaRequested mOnCaptchaRequested = null;
 255	private int accountChangedListenerCount = 0;
 256	private int captchaRequestedListenerCount = 0;
 257	private OnRosterUpdate mOnRosterUpdate = null;
 258	private OnUpdateBlocklist mOnUpdateBlocklist = null;
 259	private int updateBlocklistListenerCount = 0;
 260	private int rosterChangedListenerCount = 0;
 261	private OnMucRosterUpdate mOnMucRosterUpdate = null;
 262	private int mucRosterChangedListenerCount = 0;
 263	private OnKeyStatusUpdated mOnKeyStatusUpdated = null;
 264	private int keyStatusUpdatedListenerCount = 0;
 265	private SecureRandom mRandom;
 266	private LruCache<Pair<String,String>,ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 267	private final OnBindListener mOnBindListener = new OnBindListener() {
 268
 269		@Override
 270		public void onBind(final Account account) {
 271			synchronized (mInProgressAvatarFetches) {
 272				for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 273					final String KEY = iterator.next();
 274					if (KEY.startsWith(account.getJid().toBareJid() + "_")) {
 275						iterator.remove();
 276					}
 277				}
 278			}
 279			account.getRoster().clearPresences();
 280			mJingleConnectionManager.cancelInTransmission();
 281			fetchRosterFromServer(account);
 282			fetchBookmarks(account);
 283			sendPresence(account);
 284			if (mPushManagementService.available(account)) {
 285				mPushManagementService.registerPushTokenOnServer(account);
 286			}
 287			connectMultiModeConversations(account);
 288			syncDirtyContacts(account);
 289		}
 290	};
 291	private OnStatusChanged statusListener = new OnStatusChanged() {
 292
 293		@Override
 294		public void onStatusChanged(final Account account) {
 295			XmppConnection connection = account.getXmppConnection();
 296			if (mOnAccountUpdate != null) {
 297				mOnAccountUpdate.onAccountUpdate();
 298			}
 299			if (account.getStatus() == Account.State.ONLINE) {
 300				synchronized (mLowPingTimeoutMode) {
 301					if (mLowPingTimeoutMode.remove(account.getJid().toBareJid())) {
 302						Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": leaving low ping timeout mode");
 303					}
 304				}
 305				if (account.setShowErrorNotification(true)) {
 306					databaseBackend.updateAccount(account);
 307				}
 308				mMessageArchiveService.executePendingQueries(account);
 309				if (connection != null && connection.getFeatures().csi()) {
 310					if (checkListeners()) {
 311						Log.d(Config.LOGTAG, account.getJid().toBareJid() + " sending csi//inactive");
 312						connection.sendInactive();
 313					} else {
 314						Log.d(Config.LOGTAG, account.getJid().toBareJid() + " sending csi//active");
 315						connection.sendActive();
 316					}
 317				}
 318				List<Conversation> conversations = getConversations();
 319				for (Conversation conversation : conversations) {
 320					if (conversation.getAccount() == account
 321							&& !account.pendingConferenceJoins.contains(conversation)) {
 322						if (!conversation.startOtrIfNeeded()) {
 323							Log.d(Config.LOGTAG,account.getJid().toBareJid()+": couldn't start OTR with "+conversation.getContact().getJid()+" when needed");
 324						}
 325						sendUnsentMessages(conversation);
 326					}
 327				}
 328				for (Conversation conversation : account.pendingConferenceLeaves) {
 329					leaveMuc(conversation);
 330				}
 331				account.pendingConferenceLeaves.clear();
 332				for (Conversation conversation : account.pendingConferenceJoins) {
 333					joinMuc(conversation);
 334				}
 335				account.pendingConferenceJoins.clear();
 336				scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 337			} else {
 338				if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 339					resetSendingToWaiting(account);
 340					if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 341						synchronized (mLowPingTimeoutMode) {
 342							if (mLowPingTimeoutMode.contains(account.getJid().toBareJid())) {
 343								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": went into offline state during low ping mode. reconnecting now");
 344								reconnectAccount(account, true, false);
 345							} else {
 346								int timeToReconnect = mRandom.nextInt(10) + 2;
 347								scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 348							}
 349						}
 350					}
 351				} else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 352					databaseBackend.updateAccount(account);
 353					reconnectAccount(account, true, false);
 354				} else if ((account.getStatus() != Account.State.CONNECTING)
 355						&& (account.getStatus() != Account.State.NO_INTERNET)) {
 356					resetSendingToWaiting(account);
 357					if (connection != null) {
 358						int next = connection.getTimeToNextAttempt();
 359						Log.d(Config.LOGTAG, account.getJid().toBareJid()
 360								+ ": error connecting account. try again in "
 361								+ next + "s for the "
 362								+ (connection.getAttempt() + 1) + " time");
 363						scheduleWakeUpCall(next, account.getUuid().hashCode());
 364					}
 365				}
 366			}
 367			getNotificationService().updateErrorNotification();
 368		}
 369	};
 370	private OpenPgpServiceConnection pgpServiceConnection;
 371	private PgpEngine mPgpEngine = null;
 372	private WakeLock wakeLock;
 373	private PowerManager pm;
 374	private LruCache<String, Bitmap> mBitmapCache;
 375	private EventReceiver mEventReceiver = new EventReceiver();
 376
 377	private boolean mRestoredFromDatabase = false;
 378
 379	private static String generateFetchKey(Account account, final Avatar avatar) {
 380		return account.getJid().toBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 381	}
 382
 383	public boolean areMessagesInitialized() {
 384		return this.mRestoredFromDatabase;
 385	}
 386
 387	public PgpEngine getPgpEngine() {
 388		if (!Config.supportOpenPgp()) {
 389			return null;
 390		} else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 391			if (this.mPgpEngine == null) {
 392				this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 393						getApplicationContext(),
 394						pgpServiceConnection.getService()), this);
 395			}
 396			return mPgpEngine;
 397		} else {
 398			return null;
 399		}
 400
 401	}
 402
 403	public OpenPgpApi getOpenPgpApi() {
 404		if (!Config.supportOpenPgp()) {
 405			return null;
 406		} else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 407			return new OpenPgpApi(this, pgpServiceConnection.getService());
 408		} else {
 409			return null;
 410		}
 411	}
 412
 413	public FileBackend getFileBackend() {
 414		return this.fileBackend;
 415	}
 416
 417	public AvatarService getAvatarService() {
 418		return this.mAvatarService;
 419	}
 420
 421	public void attachLocationToConversation(final Conversation conversation,
 422											 final Uri uri,
 423											 final UiCallback<Message> callback) {
 424		int encryption = conversation.getNextEncryption();
 425		if (encryption == Message.ENCRYPTION_PGP) {
 426			encryption = Message.ENCRYPTION_DECRYPTED;
 427		}
 428		Message message = new Message(conversation, uri.toString(), encryption);
 429		if (conversation.getNextCounterpart() != null) {
 430			message.setCounterpart(conversation.getNextCounterpart());
 431		}
 432		if (encryption == Message.ENCRYPTION_DECRYPTED) {
 433			getPgpEngine().encrypt(message, callback);
 434		} else {
 435			callback.success(message);
 436		}
 437	}
 438
 439	public void attachFileToConversation(final Conversation conversation,
 440										 final Uri uri,
 441										 final UiCallback<Message> callback) {
 442		if (FileBackend.weOwnFile(this, uri)) {
 443			Log.d(Config.LOGTAG,"trying to attach file that belonged to us");
 444			callback.error(R.string.security_error_invalid_file_access, null);
 445			return;
 446		}
 447		final Message message;
 448		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 449			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 450		} else {
 451			message = new Message(conversation, "", conversation.getNextEncryption());
 452		}
 453		message.setCounterpart(conversation.getNextCounterpart());
 454		message.setType(Message.TYPE_FILE);
 455		final String path = getFileBackend().getOriginalPath(uri);
 456		mFileAddingExecutor.execute(new Runnable() {
 457			@Override
 458			public void run() {
 459				if (path != null) {
 460					message.setRelativeFilePath(path);
 461					getFileBackend().updateFileParams(message);
 462					if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 463						getPgpEngine().encrypt(message, callback);
 464					} else {
 465						callback.success(message);
 466					}
 467				} else {
 468					try {
 469						getFileBackend().copyFileToPrivateStorage(message, uri);
 470						getFileBackend().updateFileParams(message);
 471						if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 472							final PgpEngine pgpEngine = getPgpEngine();
 473							if (pgpEngine != null) {
 474								pgpEngine.encrypt(message, callback);
 475							} else if (callback != null) {
 476								callback.error(R.string.unable_to_connect_to_keychain, null);
 477							}
 478						} else {
 479							callback.success(message);
 480						}
 481					} catch (FileBackend.FileCopyException e) {
 482						callback.error(e.getResId(), message);
 483					}
 484				}
 485			}
 486		});
 487	}
 488
 489	public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 490		if (FileBackend.weOwnFile(this, uri)) {
 491			Log.d(Config.LOGTAG,"trying to attach file that belonged to us");
 492			callback.error(R.string.security_error_invalid_file_access, null);
 493			return;
 494		}
 495		final String compressPictures = getCompressPicturesPreference();
 496		if ("never".equals(compressPictures)
 497				|| ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))) {
 498			Log.d(Config.LOGTAG,conversation.getAccount().getJid().toBareJid()+ ": not compressing picture. sending as file");
 499			attachFileToConversation(conversation, uri, callback);
 500			return;
 501		}
 502		final Message message;
 503		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 504			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 505		} else {
 506			message = new Message(conversation, "", conversation.getNextEncryption());
 507		}
 508		message.setCounterpart(conversation.getNextCounterpart());
 509		message.setType(Message.TYPE_IMAGE);
 510		mFileAddingExecutor.execute(new Runnable() {
 511
 512			@Override
 513			public void run() {
 514				try {
 515					getFileBackend().copyImageToPrivateStorage(message, uri);
 516					if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 517						final PgpEngine pgpEngine = getPgpEngine();
 518						if (pgpEngine != null) {
 519							pgpEngine.encrypt(message, callback);
 520						} else if (callback != null){
 521							callback.error(R.string.unable_to_connect_to_keychain, null);
 522						}
 523					} else {
 524						callback.success(message);
 525					}
 526				} catch (final FileBackend.FileCopyException e) {
 527					callback.error(e.getResId(), message);
 528				}
 529			}
 530		});
 531	}
 532
 533	public Conversation find(Bookmark bookmark) {
 534		return find(bookmark.getAccount(), bookmark.getJid());
 535	}
 536
 537	public Conversation find(final Account account, final Jid jid) {
 538		return find(getConversations(), account, jid);
 539	}
 540
 541	@Override
 542	public int onStartCommand(Intent intent, int flags, int startId) {
 543		final String action = intent == null ? null : intent.getAction();
 544		String pushedAccountHash = null;
 545		boolean interactive = false;
 546		if (action != null) {
 547			final Conversation c = findConversationByUuid(intent.getStringExtra("uuid"));
 548			switch (action) {
 549				case ConnectivityManager.CONNECTIVITY_ACTION:
 550					if (hasInternetConnection() && Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 551						resetAllAttemptCounts(true, false);
 552					}
 553					break;
 554				case ACTION_MERGE_PHONE_CONTACTS:
 555					if (mRestoredFromDatabase) {
 556						loadPhoneContacts();
 557					}
 558					return START_STICKY;
 559				case Intent.ACTION_SHUTDOWN:
 560					logoutAndSave(true);
 561					return START_NOT_STICKY;
 562				case ACTION_CLEAR_NOTIFICATION:
 563					if (c != null) {
 564						mNotificationService.clear(c);
 565					} else {
 566						mNotificationService.clear();
 567					}
 568					break;
 569				case ACTION_DISABLE_FOREGROUND:
 570					getPreferences().edit().putBoolean("keep_foreground_service", false).commit();
 571					toggleForegroundService();
 572					break;
 573				case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 574					dismissErrorNotifications();
 575					break;
 576				case ACTION_TRY_AGAIN:
 577					resetAllAttemptCounts(false, true);
 578					interactive = true;
 579					break;
 580				case ACTION_REPLY_TO_CONVERSATION:
 581					Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 582					if (remoteInput != null && c != null) {
 583						final CharSequence body = remoteInput.getCharSequence("text_reply");
 584						if (body != null && body.length() > 0) {
 585							directReply(c, body.toString(),intent.getBooleanExtra("dismiss_notification",false));
 586						}
 587					}
 588					break;
 589				case AudioManager.RINGER_MODE_CHANGED_ACTION:
 590					if (xaOnSilentMode()) {
 591						refreshAllPresences();
 592					}
 593					break;
 594				case Intent.ACTION_SCREEN_ON:
 595					deactivateGracePeriod();
 596				case Intent.ACTION_SCREEN_OFF:
 597					if (awayWhenScreenOff()) {
 598						refreshAllPresences();
 599					}
 600					break;
 601				case ACTION_GCM_TOKEN_REFRESH:
 602					refreshAllGcmTokens();
 603					break;
 604				case ACTION_IDLE_PING:
 605					if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 606						scheduleNextIdlePing();
 607					}
 608					break;
 609				case ACTION_GCM_MESSAGE_RECEIVED:
 610					Log.d(Config.LOGTAG,"gcm push message arrived in service. extras="+intent.getExtras());
 611					pushedAccountHash = intent.getStringExtra("account");
 612					break;
 613			}
 614		}
 615		synchronized (this) {
 616			this.wakeLock.acquire();
 617			boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action);
 618			HashSet<Account> pingCandidates = new HashSet<>();
 619			for (Account account : accounts) {
 620				pingNow |= processAccountState(account,
 621						interactive,
 622						"ui".equals(action),
 623						CryptoHelper.getAccountFingerprint(account).equals(pushedAccountHash),
 624						pingCandidates);
 625			}
 626			if (pingNow) {
 627				for (Account account : pingCandidates) {
 628					final boolean lowTimeout = mLowPingTimeoutMode.contains(account.getJid().toBareJid());
 629					account.getXmppConnection().sendPing();
 630					Log.d(Config.LOGTAG, account.getJid().toBareJid() + " send ping (action=" + action + ",lowTimeout=" + Boolean.toString(lowTimeout) + ")");
 631					scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 632				}
 633			}
 634			if (wakeLock.isHeld()) {
 635				try {
 636					wakeLock.release();
 637				} catch (final RuntimeException ignored) {
 638				}
 639			}
 640		}
 641		return START_STICKY;
 642	}
 643
 644	private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 645		boolean pingNow = false;
 646		if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 647			if (!hasInternetConnection()) {
 648				account.setStatus(Account.State.NO_INTERNET);
 649				if (statusListener != null) {
 650					statusListener.onStatusChanged(account);
 651				}
 652			} else {
 653				if (account.getStatus() == Account.State.NO_INTERNET) {
 654					account.setStatus(Account.State.OFFLINE);
 655					if (statusListener != null) {
 656						statusListener.onStatusChanged(account);
 657					}
 658				}
 659				if (account.getStatus() == Account.State.ONLINE) {
 660					synchronized (mLowPingTimeoutMode) {
 661						long lastReceived = account.getXmppConnection().getLastPacketReceived();
 662						long lastSent = account.getXmppConnection().getLastPingSent();
 663						long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 664						long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 665						int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().toBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 666						long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 667						if (lastSent > lastReceived) {
 668							if (pingTimeoutIn < 0) {
 669								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": ping timeout");
 670								this.reconnectAccount(account, true, interactive);
 671							} else {
 672								int secs = (int) (pingTimeoutIn / 1000);
 673								this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 674							}
 675						} else {
 676							pingCandidates.add(account);
 677							if (isAccountPushed) {
 678								pingNow = true;
 679								if (mLowPingTimeoutMode.add(account.getJid().toBareJid())) {
 680									Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": entering low ping timeout mode");
 681								}
 682							} else if (msToNextPing <= 0) {
 683								pingNow = true;
 684							} else {
 685								this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 686								if (mLowPingTimeoutMode.remove(account.getJid().toBareJid())) {
 687									Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": leaving low ping timeout mode");
 688								}
 689							}
 690						}
 691					}
 692				} else if (account.getStatus() == Account.State.OFFLINE) {
 693					reconnectAccount(account, true, interactive);
 694				} else if (account.getStatus() == Account.State.CONNECTING) {
 695					long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 696					long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 697					long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 698					long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 699					if (timeout < 0) {
 700						Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast="+secondsSinceLastConnect+")");
 701						account.getXmppConnection().resetAttemptCount(false);
 702						reconnectAccount(account, true, interactive);
 703					} else if (discoTimeout < 0) {
 704						account.getXmppConnection().sendDiscoTimeout();
 705						scheduleWakeUpCall((int) Math.min(timeout,discoTimeout), account.getUuid().hashCode());
 706					} else {
 707						scheduleWakeUpCall((int) Math.min(timeout,discoTimeout), account.getUuid().hashCode());
 708					}
 709				} else {
 710					if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 711						reconnectAccount(account, true, interactive);
 712					}
 713				}
 714			}
 715		}
 716		return pingNow;
 717	}
 718
 719	public boolean isDataSaverDisabled() {
 720		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 721			ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 722			return !connectivityManager.isActiveNetworkMetered()
 723					|| connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 724		} else {
 725			return true;
 726		}
 727	}
 728
 729	private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 730		Message message = new Message(conversation,body,conversation.getNextEncryption());
 731		message.markUnread();
 732		if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 733			getPgpEngine().encrypt(message, new UiCallback<Message>() {
 734				@Override
 735				public void success(Message message) {
 736					message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 737					sendMessage(message);
 738					if (dismissAfterReply) {
 739						markRead(message.getConversation(),true);
 740					} else {
 741						mNotificationService.pushFromDirectReply(message);
 742					}
 743				}
 744
 745				@Override
 746				public void error(int errorCode, Message object) {
 747
 748				}
 749
 750				@Override
 751				public void userInputRequried(PendingIntent pi, Message object) {
 752
 753				}
 754			});
 755		} else {
 756			sendMessage(message);
 757			if (dismissAfterReply) {
 758				markRead(conversation,true);
 759			} else {
 760				mNotificationService.pushFromDirectReply(message);
 761			}
 762		}
 763	}
 764
 765	private boolean xaOnSilentMode() {
 766		return getPreferences().getBoolean("xa_on_silent_mode", false);
 767	}
 768
 769	private boolean manuallyChangePresence() {
 770		return getPreferences().getBoolean("manually_change_presence", false);
 771	}
 772
 773	private boolean treatVibrateAsSilent() {
 774		return getPreferences().getBoolean("treat_vibrate_as_silent", false);
 775	}
 776
 777	private boolean awayWhenScreenOff() {
 778		return getPreferences().getBoolean("away_when_screen_off", false);
 779	}
 780
 781	private String getCompressPicturesPreference() {
 782		return getPreferences().getString("picture_compression", "auto");
 783	}
 784
 785	private Presence.Status getTargetPresence() {
 786		if (xaOnSilentMode() && isPhoneSilenced()) {
 787			return Presence.Status.XA;
 788		} else if (awayWhenScreenOff() && !isInteractive()) {
 789			return Presence.Status.AWAY;
 790		} else {
 791			return Presence.Status.ONLINE;
 792		}
 793	}
 794
 795	@SuppressLint("NewApi")
 796	@SuppressWarnings("deprecation")
 797	public boolean isInteractive() {
 798		final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 799
 800		final boolean isScreenOn;
 801		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 802			isScreenOn = pm.isScreenOn();
 803		} else {
 804			isScreenOn = pm.isInteractive();
 805		}
 806		return isScreenOn;
 807	}
 808
 809	private boolean isPhoneSilenced() {
 810		AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 811		try {
 812			if (treatVibrateAsSilent()) {
 813				return audioManager.getRingerMode() != AudioManager.RINGER_MODE_NORMAL;
 814			} else {
 815				return audioManager.getRingerMode() == AudioManager.RINGER_MODE_SILENT;
 816			}
 817		} catch (Throwable throwable) {
 818			Log.d(Config.LOGTAG,"platform bug in isPhoneSilenced ("+ throwable.getMessage()+")");
 819			return false;
 820		}
 821	}
 822
 823	private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
 824		Log.d(Config.LOGTAG, "resetting all attempt counts");
 825		for (Account account : accounts) {
 826			if (account.hasErrorStatus() || reallyAll) {
 827				final XmppConnection connection = account.getXmppConnection();
 828				if (connection != null) {
 829					connection.resetAttemptCount(retryImmediately);
 830				}
 831			}
 832			if (account.setShowErrorNotification(true)) {
 833				databaseBackend.updateAccount(account);
 834			}
 835		}
 836		mNotificationService.updateErrorNotification();
 837	}
 838
 839	private void dismissErrorNotifications() {
 840		for (final Account account : this.accounts) {
 841			if (account.hasErrorStatus()) {
 842				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": dismissing error notification");
 843				if (account.setShowErrorNotification(false)) {
 844					databaseBackend.updateAccount(account);
 845				}
 846			}
 847		}
 848	}
 849
 850	public boolean hasInternetConnection() {
 851		ConnectivityManager cm = (ConnectivityManager) getApplicationContext()
 852				.getSystemService(Context.CONNECTIVITY_SERVICE);
 853		NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
 854		return activeNetwork != null && activeNetwork.isConnected();
 855	}
 856
 857	@SuppressLint("TrulyRandom")
 858	@Override
 859	public void onCreate() {
 860		ExceptionHelper.init(getApplicationContext());
 861		PRNGFixes.apply();
 862		this.mRandom = new SecureRandom();
 863		updateMemorizingTrustmanager();
 864		final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
 865		final int cacheSize = maxMemory / 8;
 866		this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
 867			@Override
 868			protected int sizeOf(final String key, final Bitmap bitmap) {
 869				return bitmap.getByteCount() / 1024;
 870			}
 871		};
 872
 873		this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
 874		this.accounts = databaseBackend.getAccounts();
 875
 876		if (!keepForegroundService() && databaseBackend.startTimeCountExceedsThreshold()) {
 877			getPreferences().edit().putBoolean("keep_foreground_service",true).commit();
 878			Log.d(Config.LOGTAG,"number of restarts exceeds threshold. enabling foreground service");
 879		}
 880
 881		restoreFromDatabase();
 882
 883		getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, contactObserver);
 884		new Thread(new Runnable() {
 885			@Override
 886			public void run() {
 887				fileObserver.startWatching();
 888			}
 889		}).start();
 890		if (Config.supportOpenPgp()) {
 891			this.pgpServiceConnection = new OpenPgpServiceConnection(getApplicationContext(), "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
 892				@Override
 893				public void onBound(IOpenPgpService2 service) {
 894					for (Account account : accounts) {
 895						final PgpDecryptionService pgp = account.getPgpDecryptionService();
 896						if(pgp != null) {
 897							pgp.continueDecryption(true);
 898						}
 899					}
 900				}
 901
 902				@Override
 903				public void onError(Exception e) {
 904				}
 905			});
 906			this.pgpServiceConnection.bindToService();
 907		}
 908
 909		this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 910		this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "XmppConnectionService");
 911
 912		toggleForegroundService();
 913		updateUnreadCountBadge();
 914		toggleScreenEventReceiver();
 915		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 916			scheduleNextIdlePing();
 917		}
 918		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 919			registerReceiver(this.mEventReceiver,new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
 920		}
 921	}
 922
 923	@Override
 924	public void onTrimMemory(int level) {
 925		super.onTrimMemory(level);
 926		if (level >= TRIM_MEMORY_COMPLETE) {
 927			Log.d(Config.LOGTAG, "clear cache due to low memory");
 928			getBitmapCache().evictAll();
 929		}
 930	}
 931
 932	@Override
 933	public void onDestroy() {
 934		try {
 935			unregisterReceiver(this.mEventReceiver);
 936		} catch (IllegalArgumentException e) {
 937			//ignored
 938		}
 939		fileObserver.stopWatching();
 940		super.onDestroy();
 941	}
 942
 943	public void toggleScreenEventReceiver() {
 944		if (awayWhenScreenOff() && !manuallyChangePresence()) {
 945			final IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_ON);
 946			filter.addAction(Intent.ACTION_SCREEN_OFF);
 947			registerReceiver(this.mEventReceiver, filter);
 948		} else {
 949			try {
 950				unregisterReceiver(this.mEventReceiver);
 951			} catch (IllegalArgumentException e) {
 952				//ignored
 953			}
 954		}
 955	}
 956
 957	public void toggleForegroundService() {
 958		if (keepForegroundService()) {
 959			startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, this.mNotificationService.createForegroundNotification());
 960		} else {
 961			stopForeground(true);
 962		}
 963	}
 964
 965	private boolean keepForegroundService() {
 966		return getPreferences().getBoolean("keep_foreground_service",false);
 967	}
 968
 969	@Override
 970	public void onTaskRemoved(final Intent rootIntent) {
 971		super.onTaskRemoved(rootIntent);
 972		if (!keepForegroundService()) {
 973			this.logoutAndSave(false);
 974		} else {
 975			Log.d(Config.LOGTAG,"ignoring onTaskRemoved because foreground service is activated");
 976		}
 977	}
 978
 979	private void logoutAndSave(boolean stop) {
 980		int activeAccounts = 0;
 981		databaseBackend.clearStartTimeCounter(); // regular swipes don't count towards restart counter
 982		for (final Account account : accounts) {
 983			if (account.getStatus() != Account.State.DISABLED) {
 984				activeAccounts++;
 985			}
 986			databaseBackend.writeRoster(account.getRoster());
 987			if (account.getXmppConnection() != null) {
 988				new Thread(new Runnable() {
 989					@Override
 990					public void run() {
 991						disconnect(account, false);
 992					}
 993				}).start();
 994			}
 995		}
 996		if (stop || activeAccounts == 0) {
 997			Log.d(Config.LOGTAG, "good bye");
 998			stopSelf();
 999		}
1000	}
1001
1002	public void scheduleWakeUpCall(int seconds, int requestCode) {
1003		final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
1004		AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1005		Intent intent = new Intent(this, EventReceiver.class);
1006		intent.setAction("ping");
1007		PendingIntent alarmIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
1008		alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, alarmIntent);
1009	}
1010
1011	@TargetApi(Build.VERSION_CODES.M)
1012	private void scheduleNextIdlePing() {
1013		Log.d(Config.LOGTAG,"schedule next idle ping");
1014		AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1015		Intent intent = new Intent(this, EventReceiver.class);
1016		intent.setAction(ACTION_IDLE_PING);
1017		alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP,
1018				SystemClock.elapsedRealtime()+(Config.IDLE_PING_INTERVAL * 1000),
1019				PendingIntent.getBroadcast(this,0,intent,0)
1020				);
1021	}
1022
1023	public XmppConnection createConnection(final Account account) {
1024		final SharedPreferences sharedPref = getPreferences();
1025		String resource;
1026		try {
1027			resource = sharedPref.getString("resource", getString(R.string.default_resource)).toLowerCase(Locale.ENGLISH);
1028			if (resource.trim().isEmpty()) {
1029				throw new Exception();
1030			}
1031		} catch (Exception e) {
1032			resource = "conversations";
1033		}
1034		account.setResource(resource);
1035		final XmppConnection connection = new XmppConnection(account, this);
1036		connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1037		connection.setOnStatusChangedListener(this.statusListener);
1038		connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1039		connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1040		connection.setOnJinglePacketReceivedListener(this.jingleListener);
1041		connection.setOnBindListener(this.mOnBindListener);
1042		connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1043		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1044		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1045		AxolotlService axolotlService = account.getAxolotlService();
1046		if (axolotlService != null) {
1047			connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1048		}
1049		return connection;
1050	}
1051
1052	public void sendChatState(Conversation conversation) {
1053		if (sendChatStates()) {
1054			MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1055			sendMessagePacket(conversation.getAccount(), packet);
1056		}
1057	}
1058
1059	private void sendFileMessage(final Message message, final boolean delay) {
1060		Log.d(Config.LOGTAG, "send file message");
1061		final Account account = message.getConversation().getAccount();
1062		if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())) {
1063			mHttpConnectionManager.createNewUploadConnection(message, delay);
1064		} else {
1065			mJingleConnectionManager.createNewConnection(message);
1066		}
1067	}
1068
1069	public void sendMessage(final Message message) {
1070		sendMessage(message, false, false);
1071	}
1072
1073	private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1074		final Account account = message.getConversation().getAccount();
1075		if (account.setShowErrorNotification(true)) {
1076			databaseBackend.updateAccount(account);
1077			mNotificationService.updateErrorNotification();
1078		}
1079		final Conversation conversation = message.getConversation();
1080		account.deactivateGracePeriod();
1081		MessagePacket packet = null;
1082		final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1083				|| account.getServerIdentity() != XmppConnection.Identity.SLACK)
1084				&& !message.edited();
1085		boolean saveInDb = addToConversation;
1086		message.setStatus(Message.STATUS_WAITING);
1087
1088		if (!resend && message.getEncryption() != Message.ENCRYPTION_OTR) {
1089			message.getConversation().endOtrIfNeeded();
1090			message.getConversation().findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR,
1091					new Conversation.OnMessageFound() {
1092						@Override
1093						public void onMessageFound(Message message) {
1094							markMessage(message, Message.STATUS_SEND_FAILED);
1095						}
1096					});
1097		}
1098
1099		if (account.isOnlineAndConnected()) {
1100			switch (message.getEncryption()) {
1101				case Message.ENCRYPTION_NONE:
1102					if (message.needsUploading()) {
1103						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1104								|| message.fixCounterpart()) {
1105							this.sendFileMessage(message, delay);
1106						} else {
1107							break;
1108						}
1109					} else {
1110						packet = mMessageGenerator.generateChat(message);
1111					}
1112					break;
1113				case Message.ENCRYPTION_PGP:
1114				case Message.ENCRYPTION_DECRYPTED:
1115					if (message.needsUploading()) {
1116						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1117								|| message.fixCounterpart()) {
1118							this.sendFileMessage(message, delay);
1119						} else {
1120							break;
1121						}
1122					} else {
1123						packet = mMessageGenerator.generatePgpChat(message);
1124					}
1125					break;
1126				case Message.ENCRYPTION_OTR:
1127					SessionImpl otrSession = conversation.getOtrSession();
1128					if (otrSession != null && otrSession.getSessionStatus() == SessionStatus.ENCRYPTED) {
1129						try {
1130							message.setCounterpart(Jid.fromSessionID(otrSession.getSessionID()));
1131						} catch (InvalidJidException e) {
1132							break;
1133						}
1134						if (message.needsUploading()) {
1135							mJingleConnectionManager.createNewConnection(message);
1136						} else {
1137							packet = mMessageGenerator.generateOtrChat(message);
1138						}
1139					} else if (otrSession == null) {
1140						if (message.fixCounterpart()) {
1141							conversation.startOtrSession(message.getCounterpart().getResourcepart(), true);
1142						} else {
1143							Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could not fix counterpart for OTR message to contact "+message.getContact().getJid());
1144							break;
1145						}
1146					} else {
1147						Log.d(Config.LOGTAG,account.getJid().toBareJid()+" OTR session with "+message.getContact()+" is in wrong state: "+otrSession.getSessionStatus().toString());
1148					}
1149					break;
1150				case Message.ENCRYPTION_AXOLOTL:
1151					message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1152					if (message.needsUploading()) {
1153						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1154								|| message.fixCounterpart()) {
1155							this.sendFileMessage(message, delay);
1156						} else {
1157							break;
1158						}
1159					} else {
1160						XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1161						if (axolotlMessage == null) {
1162							account.getAxolotlService().preparePayloadMessage(message, delay);
1163						} else {
1164							packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1165						}
1166					}
1167					break;
1168
1169			}
1170			if (packet != null) {
1171				if (account.getXmppConnection().getFeatures().sm()
1172						|| (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1173					message.setStatus(Message.STATUS_UNSEND);
1174				} else {
1175					message.setStatus(Message.STATUS_SEND);
1176				}
1177			}
1178		} else {
1179			switch (message.getEncryption()) {
1180				case Message.ENCRYPTION_DECRYPTED:
1181					if (!message.needsUploading()) {
1182						String pgpBody = message.getEncryptedBody();
1183						String decryptedBody = message.getBody();
1184						message.setBody(pgpBody);
1185						message.setEncryption(Message.ENCRYPTION_PGP);
1186						if (message.edited()) {
1187							message.setBody(decryptedBody);
1188							message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1189							databaseBackend.updateMessage(message, message.getEditedId());
1190							updateConversationUi();
1191							return;
1192						} else {
1193							databaseBackend.createMessage(message);
1194							saveInDb = false;
1195							message.setBody(decryptedBody);
1196							message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1197						}
1198					}
1199					break;
1200				case Message.ENCRYPTION_OTR:
1201					if (!conversation.hasValidOtrSession() && message.getCounterpart() != null) {
1202						Log.d(Config.LOGTAG,account.getJid().toBareJid()+": create otr session without starting for "+message.getContact().getJid());
1203						conversation.startOtrSession(message.getCounterpart().getResourcepart(), false);
1204					}
1205					break;
1206				case Message.ENCRYPTION_AXOLOTL:
1207					message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1208					break;
1209			}
1210		}
1211
1212		if (resend) {
1213			if (packet != null && addToConversation) {
1214				if (account.getXmppConnection().getFeatures().sm()
1215						|| (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1216					markMessage(message, Message.STATUS_UNSEND);
1217				} else {
1218					markMessage(message, Message.STATUS_SEND);
1219				}
1220			}
1221		} else {
1222			if (addToConversation) {
1223				conversation.add(message);
1224			}
1225			if (message.getEncryption() == Message.ENCRYPTION_NONE || saveEncryptedMessages()) {
1226				if (saveInDb) {
1227					databaseBackend.createMessage(message);
1228				} else if (message.edited()) {
1229					databaseBackend.updateMessage(message, message.getEditedId());
1230				}
1231			}
1232			updateConversationUi();
1233		}
1234		if (packet != null) {
1235			if (delay) {
1236				mMessageGenerator.addDelay(packet, message.getTimeSent());
1237			}
1238			if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1239				if (this.sendChatStates()) {
1240					packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1241				}
1242			}
1243			sendMessagePacket(account, packet);
1244		}
1245	}
1246
1247	private void sendUnsentMessages(final Conversation conversation) {
1248		conversation.findWaitingMessages(new Conversation.OnMessageFound() {
1249
1250			@Override
1251			public void onMessageFound(Message message) {
1252				resendMessage(message, true);
1253			}
1254		});
1255	}
1256
1257	public void resendMessage(final Message message, final boolean delay) {
1258		sendMessage(message, true, delay);
1259	}
1260
1261	public void fetchRosterFromServer(final Account account) {
1262		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1263		if (!"".equals(account.getRosterVersion())) {
1264			Log.d(Config.LOGTAG, account.getJid().toBareJid()
1265					+ ": fetching roster version " + account.getRosterVersion());
1266		} else {
1267			Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": fetching roster");
1268		}
1269		iqPacket.query(Xmlns.ROSTER).setAttribute("ver", account.getRosterVersion());
1270		sendIqPacket(account, iqPacket, mIqParser);
1271	}
1272
1273	public void fetchBookmarks(final Account account) {
1274		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1275		final Element query = iqPacket.query("jabber:iq:private");
1276		query.addChild("storage", "storage:bookmarks");
1277		final OnIqPacketReceived callback = new OnIqPacketReceived() {
1278
1279			@Override
1280			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1281				if (packet.getType() == IqPacket.TYPE.RESULT) {
1282					final Element query = packet.query();
1283					final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1284					final Element storage = query.findChild("storage", "storage:bookmarks");
1285					final boolean autojoin = respectAutojoin();
1286					if (storage != null) {
1287						for (final Element item : storage.getChildren()) {
1288							if (item.getName().equals("conference")) {
1289								final Bookmark bookmark = Bookmark.parse(item, account);
1290								Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1291								if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1292									bookmark.setBookmarkName(old.getBookmarkName());
1293								}
1294								Conversation conversation = find(bookmark);
1295								if (conversation != null) {
1296									conversation.setBookmark(bookmark);
1297								} else if (bookmark.autojoin() && bookmark.getJid() != null && autojoin) {
1298									conversation = findOrCreateConversation(
1299											account, bookmark.getJid(), true);
1300									conversation.setBookmark(bookmark);
1301									joinMuc(conversation);
1302								}
1303							}
1304						}
1305					}
1306					account.setBookmarks(new ArrayList<>(bookmarks.values()));
1307				} else {
1308					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not fetch bookmarks");
1309				}
1310			}
1311		};
1312		sendIqPacket(account, iqPacket, callback);
1313	}
1314
1315	public void pushBookmarks(Account account) {
1316		Log.d(Config.LOGTAG, account.getJid().toBareJid()+": pushing bookmarks");
1317		IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1318		Element query = iqPacket.query("jabber:iq:private");
1319		Element storage = query.addChild("storage", "storage:bookmarks");
1320		for (Bookmark bookmark : account.getBookmarks()) {
1321			storage.addChild(bookmark);
1322		}
1323		sendIqPacket(account, iqPacket, mDefaultIqHandler);
1324	}
1325
1326	private void restoreFromDatabase() {
1327		synchronized (this.conversations) {
1328			final Map<String, Account> accountLookupTable = new Hashtable<>();
1329			for (Account account : this.accounts) {
1330				accountLookupTable.put(account.getUuid(), account);
1331			}
1332			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1333			for (Conversation conversation : this.conversations) {
1334				Account account = accountLookupTable.get(conversation.getAccountUuid());
1335				conversation.setAccount(account);
1336			}
1337			Runnable runnable = new Runnable() {
1338				@Override
1339				public void run() {
1340					Log.d(Config.LOGTAG, "restoring roster");
1341					for (Account account : accounts) {
1342						databaseBackend.readRoster(account.getRoster());
1343						account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1344					}
1345					getBitmapCache().evictAll();
1346					loadPhoneContacts();
1347					Log.d(Config.LOGTAG, "restoring messages");
1348					for (Conversation conversation : conversations) {
1349						conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1350						checkDeletedFiles(conversation);
1351						conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
1352
1353							@Override
1354							public void onMessageFound(Message message) {
1355								markMessage(message, Message.STATUS_WAITING);
1356							}
1357						});
1358						conversation.findUnreadMessages(new Conversation.OnMessageFound() {
1359							@Override
1360							public void onMessageFound(Message message) {
1361								mNotificationService.pushFromBacklog(message);
1362							}
1363						});
1364					}
1365					mNotificationService.finishBacklog(false);
1366					mRestoredFromDatabase = true;
1367					Log.d(Config.LOGTAG, "restored all messages");
1368					updateConversationUi();
1369				}
1370			};
1371			mDatabaseExecutor.execute(runnable);
1372		}
1373	}
1374
1375	public void loadPhoneContacts() {
1376		mContactMergerExecutor.execute(new Runnable() {
1377			@Override
1378			public void run() {
1379				PhoneHelper.loadPhoneContacts(XmppConnectionService.this, new OnPhoneContactsLoadedListener() {
1380					@Override
1381					public void onPhoneContactsLoaded(List<Bundle> phoneContacts) {
1382						Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1383						for (Account account : accounts) {
1384							List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts();
1385							for (Bundle phoneContact : phoneContacts) {
1386								Jid jid;
1387								try {
1388									jid = Jid.fromString(phoneContact.getString("jid"));
1389								} catch (final InvalidJidException e) {
1390									continue;
1391								}
1392								final Contact contact = account.getRoster().getContact(jid);
1393								String systemAccount = phoneContact.getInt("phoneid")
1394										+ "#"
1395										+ phoneContact.getString("lookup");
1396								contact.setSystemAccount(systemAccount);
1397								if (contact.setPhotoUri(phoneContact.getString("photouri"))) {
1398									getAvatarService().clear(contact);
1399								}
1400								contact.setSystemName(phoneContact.getString("displayname"));
1401								withSystemAccounts.remove(contact);
1402							}
1403							for (Contact contact : withSystemAccounts) {
1404								contact.setSystemAccount(null);
1405								contact.setSystemName(null);
1406								if (contact.setPhotoUri(null)) {
1407									getAvatarService().clear(contact);
1408								}
1409							}
1410						}
1411						Log.d(Config.LOGTAG, "finished merging phone contacts");
1412						updateAccountUi();
1413					}
1414				});
1415			}
1416		});
1417	}
1418
1419	public List<Conversation> getConversations() {
1420		return this.conversations;
1421	}
1422
1423	private void checkDeletedFiles(Conversation conversation) {
1424		conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
1425
1426			@Override
1427			public void onMessageFound(Message message) {
1428				if (!getFileBackend().isFileAvailable(message)) {
1429					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1430					final int s = message.getStatus();
1431					if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1432						markMessage(message, Message.STATUS_SEND_FAILED);
1433					}
1434				}
1435			}
1436		});
1437	}
1438
1439	private void markFileDeleted(final String path) {
1440		Log.d(Config.LOGTAG,"deleted file "+path);
1441		for (Conversation conversation : getConversations()) {
1442			conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
1443				@Override
1444				public void onMessageFound(Message message) {
1445					DownloadableFile file = fileBackend.getFile(message);
1446					if (file.getAbsolutePath().equals(path)) {
1447						if (!file.exists()) {
1448							message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1449							final int s = message.getStatus();
1450							if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1451								markMessage(message, Message.STATUS_SEND_FAILED);
1452							} else {
1453								updateConversationUi();
1454							}
1455						} else {
1456							Log.d(Config.LOGTAG,"found matching message for file "+path+" but file still exists");
1457						}
1458					}
1459				}
1460			});
1461		}
1462	}
1463
1464	public void populateWithOrderedConversations(final List<Conversation> list) {
1465		populateWithOrderedConversations(list, true);
1466	}
1467
1468	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1469		list.clear();
1470		if (includeNoFileUpload) {
1471			list.addAll(getConversations());
1472		} else {
1473			for (Conversation conversation : getConversations()) {
1474				if (conversation.getMode() == Conversation.MODE_SINGLE
1475						|| conversation.getAccount().httpUploadAvailable()) {
1476					list.add(conversation);
1477				}
1478			}
1479		}
1480		try {
1481			Collections.sort(list);
1482		} catch (IllegalArgumentException e) {
1483			//ignore
1484		}
1485	}
1486
1487	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1488		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1489			return;
1490		} else if (timestamp == 0) {
1491			return;
1492		}
1493		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1494		Runnable runnable = new Runnable() {
1495			@Override
1496			public void run() {
1497				final Account account = conversation.getAccount();
1498				List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1499				if (messages.size() > 0) {
1500					conversation.addAll(0, messages);
1501					checkDeletedFiles(conversation);
1502					callback.onMoreMessagesLoaded(messages.size(), conversation);
1503				} else if (conversation.hasMessagesLeftOnServer()
1504						&& account.isOnlineAndConnected()
1505						&& conversation.getLastClearHistory() == 0) {
1506					if ((conversation.getMode() == Conversation.MODE_SINGLE && account.getXmppConnection().getFeatures().mam())
1507							|| (conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().mamSupport())) {
1508						MessageArchiveService.Query query = getMessageArchiveService().query(conversation, 0, timestamp);
1509						if (query != null) {
1510							query.setCallback(callback);
1511						}
1512						callback.informUser(R.string.fetching_history_from_server);
1513					}
1514				}
1515			}
1516		};
1517		mDatabaseExecutor.execute(runnable);
1518	}
1519
1520	public List<Account> getAccounts() {
1521		return this.accounts;
1522	}
1523
1524	public List<Conversation> findAllConferencesWith(Contact contact) {
1525		ArrayList<Conversation> results = new ArrayList<>();
1526		for(Conversation conversation : conversations) {
1527			if (conversation.getMode() == Conversation.MODE_MULTI
1528					&& conversation.getMucOptions().isContactInRoom(contact)) {
1529				results.add(conversation);
1530			}
1531		}
1532		return results;
1533	}
1534
1535	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1536		for (final Conversation conversation : haystack) {
1537			if (conversation.getContact() == contact) {
1538				return conversation;
1539			}
1540		}
1541		return null;
1542	}
1543
1544	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1545		if (jid == null) {
1546			return null;
1547		}
1548		for (final Conversation conversation : haystack) {
1549			if ((account == null || conversation.getAccount() == account)
1550					&& (conversation.getJid().toBareJid().equals(jid.toBareJid()))) {
1551				return conversation;
1552			}
1553		}
1554		return null;
1555	}
1556
1557	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc) {
1558		return this.findOrCreateConversation(account, jid, muc, null);
1559	}
1560
1561	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final MessageArchiveService.Query query) {
1562		synchronized (this.conversations) {
1563			Conversation conversation = find(account, jid);
1564			if (conversation != null) {
1565				return conversation;
1566			}
1567			conversation = databaseBackend.findConversation(account, jid);
1568			if (conversation != null) {
1569				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1570				conversation.setAccount(account);
1571				if (muc) {
1572					conversation.setMode(Conversation.MODE_MULTI);
1573					conversation.setContactJid(jid);
1574				} else {
1575					conversation.setMode(Conversation.MODE_SINGLE);
1576					conversation.setContactJid(jid.toBareJid());
1577				}
1578				conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1579				this.databaseBackend.updateConversation(conversation);
1580			} else {
1581				String conversationName;
1582				Contact contact = account.getRoster().getContact(jid);
1583				if (contact != null) {
1584					conversationName = contact.getDisplayName();
1585				} else {
1586					conversationName = jid.getLocalpart();
1587				}
1588				if (muc) {
1589					conversation = new Conversation(conversationName, account, jid,
1590							Conversation.MODE_MULTI);
1591				} else {
1592					conversation = new Conversation(conversationName, account, jid.toBareJid(),
1593							Conversation.MODE_SINGLE);
1594				}
1595				this.databaseBackend.createConversation(conversation);
1596			}
1597			if (account.getXmppConnection() != null
1598					&& account.getXmppConnection().getFeatures().mam()
1599					&& !muc) {
1600				if (query == null) {
1601					this.mMessageArchiveService.query(conversation);
1602				} else {
1603					if (query.getConversation() == null) {
1604						this.mMessageArchiveService.query(conversation, query.getStart());
1605					}
1606				}
1607			}
1608			checkDeletedFiles(conversation);
1609			this.conversations.add(conversation);
1610			updateConversationUi();
1611			return conversation;
1612		}
1613	}
1614
1615	public void archiveConversation(Conversation conversation) {
1616		getNotificationService().clear(conversation);
1617		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1618		synchronized (this.conversations) {
1619			if (conversation.getMode() == Conversation.MODE_MULTI) {
1620				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1621					Bookmark bookmark = conversation.getBookmark();
1622					if (bookmark != null && bookmark.autojoin() && respectAutojoin()) {
1623						bookmark.setAutojoin(false);
1624						pushBookmarks(bookmark.getAccount());
1625					}
1626				}
1627				leaveMuc(conversation);
1628			} else {
1629				conversation.endOtrIfNeeded();
1630				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1631					Log.d(Config.LOGTAG, "Canceling presence request from " + conversation.getJid().toString());
1632					sendPresencePacket(
1633							conversation.getAccount(),
1634							mPresenceGenerator.stopPresenceUpdatesTo(conversation.getContact())
1635					);
1636				}
1637			}
1638			updateConversation(conversation);
1639			this.conversations.remove(conversation);
1640			updateConversationUi();
1641		}
1642	}
1643
1644	public void createAccount(final Account account) {
1645		account.initAccountServices(this);
1646		databaseBackend.createAccount(account);
1647		this.accounts.add(account);
1648		this.reconnectAccountInBackground(account);
1649		updateAccountUi();
1650	}
1651
1652	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
1653		new Thread(new Runnable() {
1654			@Override
1655			public void run() {
1656				try {
1657					X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1658					Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1659					if (findAccountByJid(info.first) == null) {
1660						Account account = new Account(info.first, "");
1661						account.setPrivateKeyAlias(alias);
1662						account.setOption(Account.OPTION_DISABLED, true);
1663						account.setDisplayName(info.second);
1664						createAccount(account);
1665						callback.onAccountCreated(account);
1666						if (Config.X509_VERIFICATION) {
1667							try {
1668								getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1669							} catch (CertificateException e) {
1670								callback.informUser(R.string.certificate_chain_is_not_trusted);
1671							}
1672						}
1673					} else {
1674						callback.informUser(R.string.account_already_exists);
1675					}
1676				} catch (Exception e) {
1677					e.printStackTrace();
1678					callback.informUser(R.string.unable_to_parse_certificate);
1679				}
1680			}
1681		}).start();
1682
1683	}
1684
1685	public void updateKeyInAccount(final Account account, final String alias) {
1686		Log.d(Config.LOGTAG, "update key in account " + alias);
1687		try {
1688			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1689			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1690			if (account.getJid().toBareJid().equals(info.first)) {
1691				account.setPrivateKeyAlias(alias);
1692				account.setDisplayName(info.second);
1693				databaseBackend.updateAccount(account);
1694				if (Config.X509_VERIFICATION) {
1695					try {
1696						getMemorizingTrustManager().getNonInteractive().checkClientTrusted(chain, "RSA");
1697					} catch (CertificateException e) {
1698						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
1699					}
1700					account.getAxolotlService().regenerateKeys(true);
1701				}
1702			} else {
1703				showErrorToastInUi(R.string.jid_does_not_match_certificate);
1704			}
1705		} catch (Exception e) {
1706			e.printStackTrace();
1707		}
1708	}
1709
1710	public boolean updateAccount(final Account account) {
1711		if (databaseBackend.updateAccount(account)) {
1712			account.setShowErrorNotification(true);
1713			this.statusListener.onStatusChanged(account);
1714			databaseBackend.updateAccount(account);
1715			reconnectAccountInBackground(account);
1716			updateAccountUi();
1717			getNotificationService().updateErrorNotification();
1718			return true;
1719		} else {
1720			return false;
1721		}
1722	}
1723
1724	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1725		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1726		sendIqPacket(account, iq, new OnIqPacketReceived() {
1727			@Override
1728			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1729				if (packet.getType() == IqPacket.TYPE.RESULT) {
1730					account.setPassword(newPassword);
1731					account.setOption(Account.OPTION_MAGIC_CREATE, false);
1732					databaseBackend.updateAccount(account);
1733					callback.onPasswordChangeSucceeded();
1734				} else {
1735					callback.onPasswordChangeFailed();
1736				}
1737			}
1738		});
1739	}
1740
1741	public void deleteAccount(final Account account) {
1742		synchronized (this.conversations) {
1743			for (final Conversation conversation : conversations) {
1744				if (conversation.getAccount() == account) {
1745					if (conversation.getMode() == Conversation.MODE_MULTI) {
1746						leaveMuc(conversation);
1747					} else if (conversation.getMode() == Conversation.MODE_SINGLE) {
1748						conversation.endOtrIfNeeded();
1749					}
1750					conversations.remove(conversation);
1751				}
1752			}
1753			if (account.getXmppConnection() != null) {
1754				new Thread(new Runnable() {
1755					@Override
1756					public void run() {
1757						disconnect(account, true);
1758					}
1759				}).start();
1760			}
1761			Runnable runnable = new Runnable() {
1762				@Override
1763				public void run() {
1764					if (!databaseBackend.deleteAccount(account)) {
1765						Log.d(Config.LOGTAG,account.getJid().toBareJid()+": unable to delete account");
1766					}
1767				}
1768			};
1769			mDatabaseExecutor.execute(runnable);
1770			this.accounts.remove(account);
1771			updateAccountUi();
1772			getNotificationService().updateErrorNotification();
1773		}
1774	}
1775
1776	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
1777		synchronized (this) {
1778			this.mLastActivity = System.currentTimeMillis();
1779			if (checkListeners()) {
1780				switchToForeground();
1781			}
1782			this.mOnConversationUpdate = listener;
1783			this.mNotificationService.setIsInForeground(true);
1784			if (this.convChangedListenerCount < 2) {
1785				this.convChangedListenerCount++;
1786			}
1787		}
1788	}
1789
1790	public void removeOnConversationListChangedListener() {
1791		synchronized (this) {
1792			this.convChangedListenerCount--;
1793			if (this.convChangedListenerCount <= 0) {
1794				this.convChangedListenerCount = 0;
1795				this.mOnConversationUpdate = null;
1796				this.mNotificationService.setIsInForeground(false);
1797				if (checkListeners()) {
1798					switchToBackground();
1799				}
1800			}
1801		}
1802	}
1803
1804	public void setOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
1805		synchronized (this) {
1806			if (checkListeners()) {
1807				switchToForeground();
1808			}
1809			this.mOnShowErrorToast = onShowErrorToast;
1810			if (this.showErrorToastListenerCount < 2) {
1811				this.showErrorToastListenerCount++;
1812			}
1813		}
1814		this.mOnShowErrorToast = onShowErrorToast;
1815	}
1816
1817	public void removeOnShowErrorToastListener() {
1818		synchronized (this) {
1819			this.showErrorToastListenerCount--;
1820			if (this.showErrorToastListenerCount <= 0) {
1821				this.showErrorToastListenerCount = 0;
1822				this.mOnShowErrorToast = null;
1823				if (checkListeners()) {
1824					switchToBackground();
1825				}
1826			}
1827		}
1828	}
1829
1830	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
1831		synchronized (this) {
1832			if (checkListeners()) {
1833				switchToForeground();
1834			}
1835			this.mOnAccountUpdate = listener;
1836			if (this.accountChangedListenerCount < 2) {
1837				this.accountChangedListenerCount++;
1838			}
1839		}
1840	}
1841
1842	public void removeOnAccountListChangedListener() {
1843		synchronized (this) {
1844			this.accountChangedListenerCount--;
1845			if (this.accountChangedListenerCount <= 0) {
1846				this.mOnAccountUpdate = null;
1847				this.accountChangedListenerCount = 0;
1848				if (checkListeners()) {
1849					switchToBackground();
1850				}
1851			}
1852		}
1853	}
1854
1855	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
1856		synchronized (this) {
1857			if (checkListeners()) {
1858				switchToForeground();
1859			}
1860			this.mOnCaptchaRequested = listener;
1861			if (this.captchaRequestedListenerCount < 2) {
1862				this.captchaRequestedListenerCount++;
1863			}
1864		}
1865	}
1866
1867	public void removeOnCaptchaRequestedListener() {
1868		synchronized (this) {
1869			this.captchaRequestedListenerCount--;
1870			if (this.captchaRequestedListenerCount <= 0) {
1871				this.mOnCaptchaRequested = null;
1872				this.captchaRequestedListenerCount = 0;
1873				if (checkListeners()) {
1874					switchToBackground();
1875				}
1876			}
1877		}
1878	}
1879
1880	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
1881		synchronized (this) {
1882			if (checkListeners()) {
1883				switchToForeground();
1884			}
1885			this.mOnRosterUpdate = listener;
1886			if (this.rosterChangedListenerCount < 2) {
1887				this.rosterChangedListenerCount++;
1888			}
1889		}
1890	}
1891
1892	public void removeOnRosterUpdateListener() {
1893		synchronized (this) {
1894			this.rosterChangedListenerCount--;
1895			if (this.rosterChangedListenerCount <= 0) {
1896				this.rosterChangedListenerCount = 0;
1897				this.mOnRosterUpdate = null;
1898				if (checkListeners()) {
1899					switchToBackground();
1900				}
1901			}
1902		}
1903	}
1904
1905	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
1906		synchronized (this) {
1907			if (checkListeners()) {
1908				switchToForeground();
1909			}
1910			this.mOnUpdateBlocklist = listener;
1911			if (this.updateBlocklistListenerCount < 2) {
1912				this.updateBlocklistListenerCount++;
1913			}
1914		}
1915	}
1916
1917	public void removeOnUpdateBlocklistListener() {
1918		synchronized (this) {
1919			this.updateBlocklistListenerCount--;
1920			if (this.updateBlocklistListenerCount <= 0) {
1921				this.updateBlocklistListenerCount = 0;
1922				this.mOnUpdateBlocklist = null;
1923				if (checkListeners()) {
1924					switchToBackground();
1925				}
1926			}
1927		}
1928	}
1929
1930	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
1931		synchronized (this) {
1932			if (checkListeners()) {
1933				switchToForeground();
1934			}
1935			this.mOnKeyStatusUpdated = listener;
1936			if (this.keyStatusUpdatedListenerCount < 2) {
1937				this.keyStatusUpdatedListenerCount++;
1938			}
1939		}
1940	}
1941
1942	public void removeOnNewKeysAvailableListener() {
1943		synchronized (this) {
1944			this.keyStatusUpdatedListenerCount--;
1945			if (this.keyStatusUpdatedListenerCount <= 0) {
1946				this.keyStatusUpdatedListenerCount = 0;
1947				this.mOnKeyStatusUpdated = null;
1948				if (checkListeners()) {
1949					switchToBackground();
1950				}
1951			}
1952		}
1953	}
1954
1955	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
1956		synchronized (this) {
1957			if (checkListeners()) {
1958				switchToForeground();
1959			}
1960			this.mOnMucRosterUpdate = listener;
1961			if (this.mucRosterChangedListenerCount < 2) {
1962				this.mucRosterChangedListenerCount++;
1963			}
1964		}
1965	}
1966
1967	public void removeOnMucRosterUpdateListener() {
1968		synchronized (this) {
1969			this.mucRosterChangedListenerCount--;
1970			if (this.mucRosterChangedListenerCount <= 0) {
1971				this.mucRosterChangedListenerCount = 0;
1972				this.mOnMucRosterUpdate = null;
1973				if (checkListeners()) {
1974					switchToBackground();
1975				}
1976			}
1977		}
1978	}
1979
1980	public boolean checkListeners() {
1981		return (this.mOnAccountUpdate == null
1982				&& this.mOnConversationUpdate == null
1983				&& this.mOnRosterUpdate == null
1984				&& this.mOnCaptchaRequested == null
1985				&& this.mOnUpdateBlocklist == null
1986				&& this.mOnShowErrorToast == null
1987				&& this.mOnKeyStatusUpdated == null);
1988	}
1989
1990	private void switchToForeground() {
1991		final boolean broadcastLastActivity = broadcastLastActivity();
1992		for (Conversation conversation : getConversations()) {
1993			conversation.setIncomingChatState(ChatState.ACTIVE);
1994		}
1995		for (Account account : getAccounts()) {
1996			if (account.getStatus() == Account.State.ONLINE) {
1997				account.deactivateGracePeriod();
1998				final XmppConnection connection = account.getXmppConnection();
1999				if (connection != null ) {
2000					if (connection.getFeatures().csi()) {
2001						connection.sendActive();
2002					}
2003					if (broadcastLastActivity) {
2004						sendPresence(account, false); //send new presence but don't include idle because we are not
2005					}
2006				}
2007			}
2008		}
2009		Log.d(Config.LOGTAG, "app switched into foreground");
2010	}
2011
2012	private void switchToBackground() {
2013		final boolean broadcastLastActivity = broadcastLastActivity();
2014		for (Account account : getAccounts()) {
2015			if (account.getStatus() == Account.State.ONLINE) {
2016				XmppConnection connection = account.getXmppConnection();
2017				if (connection != null) {
2018					if (broadcastLastActivity) {
2019						sendPresence(account, broadcastLastActivity);
2020					}
2021					if (connection.getFeatures().csi()) {
2022						connection.sendInactive();
2023					}
2024				}
2025			}
2026		}
2027		this.mNotificationService.setIsInForeground(false);
2028		Log.d(Config.LOGTAG, "app switched into background");
2029	}
2030
2031	private void connectMultiModeConversations(Account account) {
2032		List<Conversation> conversations = getConversations();
2033		for (Conversation conversation : conversations) {
2034			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2035				joinMuc(conversation);
2036			}
2037		}
2038	}
2039
2040	public void joinMuc(Conversation conversation) {
2041		joinMuc(conversation, null);
2042	}
2043
2044	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2045		Account account = conversation.getAccount();
2046		account.pendingConferenceJoins.remove(conversation);
2047		account.pendingConferenceLeaves.remove(conversation);
2048		if (account.getStatus() == Account.State.ONLINE) {
2049			conversation.resetMucOptions();
2050			if (onConferenceJoined != null) {
2051				conversation.getMucOptions().flagNoAutoPushConfiguration();
2052			}
2053			conversation.setHasMessagesLeftOnServer(false);
2054			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2055
2056				private void join(Conversation conversation) {
2057					Account account = conversation.getAccount();
2058					final MucOptions mucOptions = conversation.getMucOptions();
2059					final Jid joinJid = mucOptions.getSelf().getFullJid();
2060					Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": joining conversation " + joinJid.toString());
2061					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
2062					packet.setTo(joinJid);
2063					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2064					if (conversation.getMucOptions().getPassword() != null) {
2065						x.addChild("password").setContent(mucOptions.getPassword());
2066					}
2067
2068					if (mucOptions.mamSupport()) {
2069						// Use MAM instead of the limited muc history to get history
2070						x.addChild("history").setAttribute("maxchars", "0");
2071					} else {
2072						// Fallback to muc history
2073						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted()));
2074					}
2075					sendPresencePacket(account, packet);
2076					if (onConferenceJoined != null) {
2077						onConferenceJoined.onConferenceJoined(conversation);
2078					}
2079					if (!joinJid.equals(conversation.getJid())) {
2080						conversation.setContactJid(joinJid);
2081						databaseBackend.updateConversation(conversation);
2082					}
2083
2084					if (mucOptions.mamSupport()) {
2085						getMessageArchiveService().catchupMUC(conversation);
2086					}
2087					if (mucOptions.membersOnly() && mucOptions.nonanonymous()) {
2088						fetchConferenceMembers(conversation);
2089					}
2090					sendUnsentMessages(conversation);
2091				}
2092
2093				@Override
2094				public void onConferenceConfigurationFetched(Conversation conversation) {
2095					join(conversation);
2096				}
2097
2098				@Override
2099				public void onFetchFailed(final Conversation conversation, Element error) {
2100					if (error != null && "remote-server-not-found".equals(error.getName())) {
2101						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2102					} else {
2103						join(conversation);
2104						fetchConferenceConfiguration(conversation);
2105					}
2106				}
2107			});
2108			updateConversationUi();
2109		} else {
2110			account.pendingConferenceJoins.add(conversation);
2111			conversation.resetMucOptions();
2112			conversation.setHasMessagesLeftOnServer(false);
2113			updateConversationUi();
2114		}
2115	}
2116
2117	private void fetchConferenceMembers(final Conversation conversation) {
2118		final Account account = conversation.getAccount();
2119		final String[] affiliations = {"member","admin","owner"};
2120		OnIqPacketReceived callback = new OnIqPacketReceived() {
2121
2122			private int i = 0;
2123
2124			@Override
2125			public void onIqPacketReceived(Account account, IqPacket packet) {
2126
2127				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2128				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2129					for(Element child : query.getChildren()) {
2130						if ("item".equals(child.getName())) {
2131							MucOptions.User user = AbstractParser.parseItem(conversation,child);
2132							if (!user.realJidMatchesAccount()) {
2133								conversation.getMucOptions().updateUser(user);
2134							}
2135						}
2136					}
2137				} else {
2138					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could not request affiliation "+affiliations[i]+" in "+conversation.getJid().toBareJid());
2139				}
2140				++i;
2141				if (i >= affiliations.length) {
2142					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": retrieved members for "+conversation.getJid().toBareJid()+": "+conversation.getMucOptions().getMembers());
2143					getAvatarService().clear(conversation);
2144					updateMucRosterUi();
2145					updateConversationUi();
2146				}
2147			}
2148		};
2149		for(String affiliation : affiliations) {
2150			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2151		}
2152		Log.d(Config.LOGTAG,account.getJid().toBareJid()+": fetching members for "+conversation.getName());
2153	}
2154
2155	public void providePasswordForMuc(Conversation conversation, String password) {
2156		if (conversation.getMode() == Conversation.MODE_MULTI) {
2157			conversation.getMucOptions().setPassword(password);
2158			if (conversation.getBookmark() != null) {
2159				if (respectAutojoin()) {
2160					conversation.getBookmark().setAutojoin(true);
2161				}
2162				pushBookmarks(conversation.getAccount());
2163			}
2164			updateConversation(conversation);
2165			joinMuc(conversation);
2166		}
2167	}
2168
2169	public void renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2170		final MucOptions options = conversation.getMucOptions();
2171		final Jid joinJid = options.createJoinJid(nick);
2172		if (options.online()) {
2173			Account account = conversation.getAccount();
2174			options.setOnRenameListener(new OnRenameListener() {
2175
2176				@Override
2177				public void onSuccess() {
2178					conversation.setContactJid(joinJid);
2179					databaseBackend.updateConversation(conversation);
2180					Bookmark bookmark = conversation.getBookmark();
2181					if (bookmark != null) {
2182						bookmark.setNick(nick);
2183						pushBookmarks(bookmark.getAccount());
2184					}
2185					callback.success(conversation);
2186				}
2187
2188				@Override
2189				public void onFailure() {
2190					callback.error(R.string.nick_in_use, conversation);
2191				}
2192			});
2193
2194			PresencePacket packet = new PresencePacket();
2195			packet.setTo(joinJid);
2196			packet.setFrom(conversation.getAccount().getJid());
2197
2198			String sig = account.getPgpSignature();
2199			if (sig != null) {
2200				packet.addChild("status").setContent("online");
2201				packet.addChild("x", "jabber:x:signed").setContent(sig);
2202			}
2203			sendPresencePacket(account, packet);
2204		} else {
2205			conversation.setContactJid(joinJid);
2206			databaseBackend.updateConversation(conversation);
2207			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2208				Bookmark bookmark = conversation.getBookmark();
2209				if (bookmark != null) {
2210					bookmark.setNick(nick);
2211					pushBookmarks(bookmark.getAccount());
2212				}
2213				joinMuc(conversation);
2214			}
2215		}
2216	}
2217
2218	public void leaveMuc(Conversation conversation) {
2219		leaveMuc(conversation, false);
2220	}
2221
2222	private void leaveMuc(Conversation conversation, boolean now) {
2223		Account account = conversation.getAccount();
2224		account.pendingConferenceJoins.remove(conversation);
2225		account.pendingConferenceLeaves.remove(conversation);
2226		if (account.getStatus() == Account.State.ONLINE || now) {
2227			PresencePacket packet = new PresencePacket();
2228			packet.setTo(conversation.getMucOptions().getSelf().getFullJid());
2229			packet.setFrom(conversation.getAccount().getJid());
2230			packet.setAttribute("type", "unavailable");
2231			sendPresencePacket(conversation.getAccount(), packet);
2232			conversation.getMucOptions().setOffline();
2233			conversation.deregisterWithBookmark();
2234			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid()
2235					+ ": leaving muc " + conversation.getJid());
2236		} else {
2237			account.pendingConferenceLeaves.add(conversation);
2238		}
2239	}
2240
2241	private String findConferenceServer(final Account account) {
2242		String server;
2243		if (account.getXmppConnection() != null) {
2244			server = account.getXmppConnection().getMucServer();
2245			if (server != null) {
2246				return server;
2247			}
2248		}
2249		for (Account other : getAccounts()) {
2250			if (other != account && other.getXmppConnection() != null) {
2251				server = other.getXmppConnection().getMucServer();
2252				if (server != null) {
2253					return server;
2254				}
2255			}
2256		}
2257		return null;
2258	}
2259
2260	public void createAdhocConference(final Account account,
2261									  final String subject,
2262									  final Iterable<Jid> jids,
2263									  final UiCallback<Conversation> callback) {
2264		Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2265		if (account.getStatus() == Account.State.ONLINE) {
2266			try {
2267				String server = findConferenceServer(account);
2268				if (server == null) {
2269					if (callback != null) {
2270						callback.error(R.string.no_conference_server_found, null);
2271					}
2272					return;
2273				}
2274				final Jid jid = Jid.fromParts(new BigInteger(64, getRNG()).toString(Character.MAX_RADIX), server, null);
2275				final Conversation conversation = findOrCreateConversation(account, jid, true);
2276				joinMuc(conversation, new OnConferenceJoined() {
2277					@Override
2278					public void onConferenceJoined(final Conversation conversation) {
2279						pushConferenceConfiguration(conversation, IqGenerator.defaultRoomConfiguration(), new OnConferenceOptionsPushed() {
2280							@Override
2281							public void onPushSucceeded() {
2282								if (subject != null && !subject.trim().isEmpty()) {
2283									pushSubjectToConference(conversation, subject.trim());
2284								}
2285								for (Jid invite : jids) {
2286									invite(conversation, invite);
2287								}
2288								if (account.countPresences() > 1) {
2289									directInvite(conversation, account.getJid().toBareJid());
2290								}
2291								saveConversationAsBookmark(conversation, subject);
2292								if (callback != null) {
2293									callback.success(conversation);
2294								}
2295							}
2296
2297							@Override
2298							public void onPushFailed() {
2299								archiveConversation(conversation);
2300								if (callback != null) {
2301									callback.error(R.string.conference_creation_failed, conversation);
2302								}
2303							}
2304						});
2305					}
2306				});
2307			} catch (InvalidJidException e) {
2308				if (callback != null) {
2309					callback.error(R.string.conference_creation_failed, null);
2310				}
2311			}
2312		} else {
2313			if (callback != null) {
2314				callback.error(R.string.not_connected_try_again, null);
2315			}
2316		}
2317	}
2318
2319	public void fetchConferenceConfiguration(final Conversation conversation) {
2320		fetchConferenceConfiguration(conversation, null);
2321	}
2322
2323	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
2324		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2325		request.setTo(conversation.getJid().toBareJid());
2326		request.query("http://jabber.org/protocol/disco#info");
2327		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2328			@Override
2329			public void onIqPacketReceived(Account account, IqPacket packet) {
2330				Element query = packet.findChild("query","http://jabber.org/protocol/disco#info");
2331				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2332					ArrayList<String> features = new ArrayList<>();
2333					for (Element child : query.getChildren()) {
2334						if (child != null && child.getName().equals("feature")) {
2335							String var = child.getAttribute("var");
2336							if (var != null) {
2337								features.add(var);
2338							}
2339						}
2340					}
2341					Element form = query.findChild("x", "jabber:x:data");
2342					if (form != null) {
2343						conversation.getMucOptions().updateFormData(Data.parse(form));
2344					}
2345					conversation.getMucOptions().updateFeatures(features);
2346					if (callback != null) {
2347						callback.onConferenceConfigurationFetched(conversation);
2348					}
2349					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": fetched muc configuration for "+conversation.getJid().toBareJid()+" - "+features.toString());
2350					updateConversationUi();
2351				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
2352					if (callback != null) {
2353						callback.onFetchFailed(conversation, packet.getError());
2354					}
2355				}
2356			}
2357		});
2358	}
2359
2360	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConferenceOptionsPushed callback) {
2361		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2362		request.setTo(conversation.getJid().toBareJid());
2363		request.query("http://jabber.org/protocol/muc#owner");
2364		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2365			@Override
2366			public void onIqPacketReceived(Account account, IqPacket packet) {
2367				if (packet.getType() == IqPacket.TYPE.RESULT) {
2368					Data data = Data.parse(packet.query().findChild("x", "jabber:x:data"));
2369					for (Field field : data.getFields()) {
2370						if (options.containsKey(field.getFieldName())) {
2371							field.setValue(options.getString(field.getFieldName()));
2372						}
2373					}
2374					data.submit();
2375					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
2376					set.setTo(conversation.getJid().toBareJid());
2377					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
2378					sendIqPacket(account, set, new OnIqPacketReceived() {
2379						@Override
2380						public void onIqPacketReceived(Account account, IqPacket packet) {
2381							if (callback != null) {
2382								if (packet.getType() == IqPacket.TYPE.RESULT) {
2383									callback.onPushSucceeded();
2384								} else {
2385									callback.onPushFailed();
2386								}
2387							}
2388						}
2389					});
2390				} else {
2391					if (callback != null) {
2392						callback.onPushFailed();
2393					}
2394				}
2395			}
2396		});
2397	}
2398
2399	public void pushSubjectToConference(final Conversation conference, final String subject) {
2400		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, subject);
2401		this.sendMessagePacket(conference.getAccount(), packet);
2402		final MucOptions mucOptions = conference.getMucOptions();
2403		final MucOptions.User self = mucOptions.getSelf();
2404		if (!mucOptions.persistent() && self.getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
2405			Bundle options = new Bundle();
2406			options.putString("muc#roomconfig_persistentroom", "1");
2407			this.pushConferenceConfiguration(conference, options, null);
2408		}
2409	}
2410
2411	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
2412		final Jid jid = user.toBareJid();
2413		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
2414		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2415			@Override
2416			public void onIqPacketReceived(Account account, IqPacket packet) {
2417				if (packet.getType() == IqPacket.TYPE.RESULT) {
2418					conference.getMucOptions().changeAffiliation(jid, affiliation);
2419					getAvatarService().clear(conference);
2420					callback.onAffiliationChangedSuccessful(jid);
2421				} else {
2422					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
2423				}
2424			}
2425		});
2426	}
2427
2428	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
2429		List<Jid> jids = new ArrayList<>();
2430		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
2431			if (user.getAffiliation() == before && user.getRealJid() != null) {
2432				jids.add(user.getRealJid());
2433			}
2434		}
2435		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
2436		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
2437	}
2438
2439	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
2440		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
2441		Log.d(Config.LOGTAG, request.toString());
2442		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2443			@Override
2444			public void onIqPacketReceived(Account account, IqPacket packet) {
2445				Log.d(Config.LOGTAG, packet.toString());
2446				if (packet.getType() == IqPacket.TYPE.RESULT) {
2447					callback.onRoleChangedSuccessful(nick);
2448				} else {
2449					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
2450				}
2451			}
2452		});
2453	}
2454
2455	private void disconnect(Account account, boolean force) {
2456		if ((account.getStatus() == Account.State.ONLINE)
2457				|| (account.getStatus() == Account.State.DISABLED)) {
2458			final XmppConnection connection = account.getXmppConnection();
2459			if (!force) {
2460				List<Conversation> conversations = getConversations();
2461				for (Conversation conversation : conversations) {
2462					if (conversation.getAccount() == account) {
2463						if (conversation.getMode() == Conversation.MODE_MULTI) {
2464							leaveMuc(conversation, true);
2465						} else {
2466							if (conversation.endOtrIfNeeded()) {
2467								Log.d(Config.LOGTAG, account.getJid().toBareJid()
2468										+ ": ended otr session with "
2469										+ conversation.getJid());
2470							}
2471						}
2472					}
2473				}
2474				sendOfflinePresence(account);
2475			}
2476			connection.disconnect(force);
2477		}
2478	}
2479
2480	@Override
2481	public IBinder onBind(Intent intent) {
2482		return mBinder;
2483	}
2484
2485	public void updateMessage(Message message) {
2486		databaseBackend.updateMessage(message);
2487		updateConversationUi();
2488	}
2489
2490	public void updateMessage(Message message, String uuid) {
2491		databaseBackend.updateMessage(message, uuid);
2492		updateConversationUi();
2493	}
2494
2495	protected void syncDirtyContacts(Account account) {
2496		for (Contact contact : account.getRoster().getContacts()) {
2497			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
2498				pushContactToServer(contact);
2499			}
2500			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
2501				deleteContactOnServer(contact);
2502			}
2503		}
2504	}
2505
2506	public void createContact(Contact contact) {
2507		boolean autoGrant = getPreferences().getBoolean("grant_new_contacts", true);
2508		if (autoGrant) {
2509			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
2510			contact.setOption(Contact.Options.ASKING);
2511		}
2512		pushContactToServer(contact);
2513	}
2514
2515	public void onOtrSessionEstablished(Conversation conversation) {
2516		final Account account = conversation.getAccount();
2517		final Session otrSession = conversation.getOtrSession();
2518		Log.d(Config.LOGTAG,
2519				account.getJid().toBareJid() + " otr session established with "
2520						+ conversation.getJid() + "/"
2521						+ otrSession.getSessionID().getUserID());
2522		conversation.findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR, new Conversation.OnMessageFound() {
2523
2524			@Override
2525			public void onMessageFound(Message message) {
2526				SessionID id = otrSession.getSessionID();
2527				try {
2528					message.setCounterpart(Jid.fromString(id.getAccountID() + "/" + id.getUserID()));
2529				} catch (InvalidJidException e) {
2530					return;
2531				}
2532				if (message.needsUploading()) {
2533					mJingleConnectionManager.createNewConnection(message);
2534				} else {
2535					MessagePacket outPacket = mMessageGenerator.generateOtrChat(message);
2536					if (outPacket != null) {
2537						mMessageGenerator.addDelay(outPacket, message.getTimeSent());
2538						message.setStatus(Message.STATUS_SEND);
2539						databaseBackend.updateMessage(message);
2540						sendMessagePacket(account, outPacket);
2541					}
2542				}
2543				updateConversationUi();
2544			}
2545		});
2546	}
2547
2548	public boolean renewSymmetricKey(Conversation conversation) {
2549		Account account = conversation.getAccount();
2550		byte[] symmetricKey = new byte[32];
2551		this.mRandom.nextBytes(symmetricKey);
2552		Session otrSession = conversation.getOtrSession();
2553		if (otrSession != null) {
2554			MessagePacket packet = new MessagePacket();
2555			packet.setType(MessagePacket.TYPE_CHAT);
2556			packet.setFrom(account.getJid());
2557			MessageGenerator.addMessageHints(packet);
2558			packet.setAttribute("to", otrSession.getSessionID().getAccountID() + "/"
2559					+ otrSession.getSessionID().getUserID());
2560			try {
2561				packet.setBody(otrSession
2562						.transformSending(CryptoHelper.FILETRANSFER
2563								+ CryptoHelper.bytesToHex(symmetricKey))[0]);
2564				sendMessagePacket(account, packet);
2565				conversation.setSymmetricKey(symmetricKey);
2566				return true;
2567			} catch (OtrException e) {
2568				return false;
2569			}
2570		}
2571		return false;
2572	}
2573
2574	public void pushContactToServer(final Contact contact) {
2575		contact.resetOption(Contact.Options.DIRTY_DELETE);
2576		contact.setOption(Contact.Options.DIRTY_PUSH);
2577		final Account account = contact.getAccount();
2578		if (account.getStatus() == Account.State.ONLINE) {
2579			final boolean ask = contact.getOption(Contact.Options.ASKING);
2580			final boolean sendUpdates = contact
2581					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
2582					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
2583			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2584			iq.query(Xmlns.ROSTER).addChild(contact.asElement());
2585			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2586			if (sendUpdates) {
2587				sendPresencePacket(account,
2588						mPresenceGenerator.sendPresenceUpdatesTo(contact));
2589			}
2590			if (ask) {
2591				sendPresencePacket(account,
2592						mPresenceGenerator.requestPresenceUpdatesFrom(contact));
2593			}
2594		}
2595	}
2596
2597	public void publishAvatar(Account account, Uri image, UiCallback<Avatar> callback) {
2598		final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2599		final int size = Config.AVATAR_SIZE;
2600		final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2601		if (avatar != null) {
2602			avatar.height = size;
2603			avatar.width = size;
2604			if (format.equals(Bitmap.CompressFormat.WEBP)) {
2605				avatar.type = "image/webp";
2606			} else if (format.equals(Bitmap.CompressFormat.JPEG)) {
2607				avatar.type = "image/jpeg";
2608			} else if (format.equals(Bitmap.CompressFormat.PNG)) {
2609				avatar.type = "image/png";
2610			}
2611			if (!getFileBackend().save(avatar)) {
2612				callback.error(R.string.error_saving_avatar, avatar);
2613				return;
2614			}
2615			publishAvatar(account, avatar, callback);
2616		} else {
2617			callback.error(R.string.error_publish_avatar_converting, null);
2618		}
2619	}
2620
2621	public void publishAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2622		final IqPacket packet = this.mIqGenerator.publishAvatar(avatar);
2623		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2624
2625			@Override
2626			public void onIqPacketReceived(Account account, IqPacket result) {
2627				if (result.getType() == IqPacket.TYPE.RESULT) {
2628					final IqPacket packet = XmppConnectionService.this.mIqGenerator
2629							.publishAvatarMetadata(avatar);
2630					sendIqPacket(account, packet, new OnIqPacketReceived() {
2631						@Override
2632						public void onIqPacketReceived(Account account, IqPacket result) {
2633							if (result.getType() == IqPacket.TYPE.RESULT) {
2634								if (account.setAvatar(avatar.getFilename())) {
2635									getAvatarService().clear(account);
2636									databaseBackend.updateAccount(account);
2637								}
2638								if (callback != null) {
2639									callback.success(avatar);
2640								} else {
2641									Log.d(Config.LOGTAG,account.getJid().toBareJid()+": published avatar");
2642								}
2643							} else {
2644								if (callback != null) {
2645									callback.error(
2646											R.string.error_publish_avatar_server_reject,
2647											avatar);
2648								}
2649							}
2650						}
2651					});
2652				} else {
2653					if (callback != null) {
2654						callback.error(
2655								R.string.error_publish_avatar_server_reject,
2656								avatar);
2657					}
2658				}
2659			}
2660		});
2661	}
2662
2663	public void republishAvatarIfNeeded(Account account) {
2664		if (account.getAxolotlService().isPepBroken()) {
2665			Log.d(Config.LOGTAG,account.getJid().toBareJid()+": skipping republication of avatar because pep is broken");
2666			return;
2667		}
2668		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2669		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2670
2671			private Avatar parseAvatar(IqPacket packet) {
2672				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
2673				if (pubsub != null) {
2674					Element items = pubsub.findChild("items");
2675					if (items != null) {
2676						return Avatar.parseMetadata(items);
2677					}
2678				}
2679				return null;
2680			}
2681
2682			private boolean errorIsItemNotFound(IqPacket packet) {
2683				Element error = packet.findChild("error");
2684				return packet.getType() == IqPacket.TYPE.ERROR
2685						&& error != null
2686						&& error.hasChild("item-not-found");
2687			}
2688
2689			@Override
2690			public void onIqPacketReceived(Account account, IqPacket packet) {
2691				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
2692					Avatar serverAvatar = parseAvatar(packet);
2693					if (serverAvatar == null && account.getAvatar() != null) {
2694						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
2695						if (avatar != null) {
2696							Log.d(Config.LOGTAG,account.getJid().toBareJid()+": avatar on server was null. republishing");
2697							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
2698						} else {
2699							Log.e(Config.LOGTAG, account.getJid().toBareJid()+": error rereading avatar");
2700						}
2701					}
2702				}
2703			}
2704		});
2705	}
2706
2707	public void fetchAvatar(Account account, Avatar avatar) {
2708		fetchAvatar(account, avatar, null);
2709	}
2710
2711	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2712		final String KEY = generateFetchKey(account, avatar);
2713		synchronized (this.mInProgressAvatarFetches) {
2714			if (!this.mInProgressAvatarFetches.contains(KEY)) {
2715				switch (avatar.origin) {
2716					case PEP:
2717						this.mInProgressAvatarFetches.add(KEY);
2718						fetchAvatarPep(account, avatar, callback);
2719						break;
2720					case VCARD:
2721						this.mInProgressAvatarFetches.add(KEY);
2722						fetchAvatarVcard(account, avatar, callback);
2723						break;
2724				}
2725			}
2726		}
2727	}
2728
2729	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2730		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
2731		sendIqPacket(account, packet, new OnIqPacketReceived() {
2732
2733			@Override
2734			public void onIqPacketReceived(Account account, IqPacket result) {
2735				synchronized (mInProgressAvatarFetches) {
2736					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2737				}
2738				final String ERROR = account.getJid().toBareJid()
2739						+ ": fetching avatar for " + avatar.owner + " failed ";
2740				if (result.getType() == IqPacket.TYPE.RESULT) {
2741					avatar.image = mIqParser.avatarData(result);
2742					if (avatar.image != null) {
2743						if (getFileBackend().save(avatar)) {
2744							if (account.getJid().toBareJid().equals(avatar.owner)) {
2745								if (account.setAvatar(avatar.getFilename())) {
2746									databaseBackend.updateAccount(account);
2747								}
2748								getAvatarService().clear(account);
2749								updateConversationUi();
2750								updateAccountUi();
2751							} else {
2752								Contact contact = account.getRoster()
2753										.getContact(avatar.owner);
2754								contact.setAvatar(avatar);
2755								getAvatarService().clear(contact);
2756								updateConversationUi();
2757								updateRosterUi();
2758							}
2759							if (callback != null) {
2760								callback.success(avatar);
2761							}
2762							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2763									+ ": successfully fetched pep avatar for " + avatar.owner);
2764							return;
2765						}
2766					} else {
2767
2768						Log.d(Config.LOGTAG, ERROR + "(parsing error)");
2769					}
2770				} else {
2771					Element error = result.findChild("error");
2772					if (error == null) {
2773						Log.d(Config.LOGTAG, ERROR + "(server error)");
2774					} else {
2775						Log.d(Config.LOGTAG, ERROR + error.toString());
2776					}
2777				}
2778				if (callback != null) {
2779					callback.error(0, null);
2780				}
2781
2782			}
2783		});
2784	}
2785
2786	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2787		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
2788		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2789			@Override
2790			public void onIqPacketReceived(Account account, IqPacket packet) {
2791				synchronized (mInProgressAvatarFetches) {
2792					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2793				}
2794				if (packet.getType() == IqPacket.TYPE.RESULT) {
2795					Element vCard = packet.findChild("vCard", "vcard-temp");
2796					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
2797					String image = photo != null ? photo.findChildContent("BINVAL") : null;
2798					if (image != null) {
2799						avatar.image = image;
2800						if (getFileBackend().save(avatar)) {
2801							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2802									+ ": successfully fetched vCard avatar for " + avatar.owner);
2803							if (avatar.owner.isBareJid()) {
2804								if (account.getJid().toBareJid().equals(avatar.owner) && account.getAvatar() == null) {
2805									Log.d(Config.LOGTAG,account.getJid().toBareJid()+": had no avatar. replacing with vcard");
2806									account.setAvatar(avatar.getFilename());
2807									databaseBackend.updateAccount(account);
2808									getAvatarService().clear(account);
2809									updateAccountUi();
2810								} else {
2811									Contact contact = account.getRoster().getContact(avatar.owner);
2812									contact.setAvatar(avatar);
2813									getAvatarService().clear(contact);
2814									updateRosterUi();
2815								}
2816								updateConversationUi();
2817							} else {
2818								Conversation conversation = find(account, avatar.owner.toBareJid());
2819								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
2820									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
2821									if (user != null) {
2822										if (user.setAvatar(avatar)) {
2823											getAvatarService().clear(user);
2824											updateConversationUi();
2825											updateMucRosterUi();
2826										}
2827									}
2828								}
2829							}
2830						}
2831					}
2832				}
2833			}
2834		});
2835	}
2836
2837	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
2838		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2839		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2840
2841			@Override
2842			public void onIqPacketReceived(Account account, IqPacket packet) {
2843				if (packet.getType() == IqPacket.TYPE.RESULT) {
2844					Element pubsub = packet.findChild("pubsub","http://jabber.org/protocol/pubsub");
2845					if (pubsub != null) {
2846						Element items = pubsub.findChild("items");
2847						if (items != null) {
2848							Avatar avatar = Avatar.parseMetadata(items);
2849							if (avatar != null) {
2850								avatar.owner = account.getJid().toBareJid();
2851								if (fileBackend.isAvatarCached(avatar)) {
2852									if (account.setAvatar(avatar.getFilename())) {
2853										databaseBackend.updateAccount(account);
2854									}
2855									getAvatarService().clear(account);
2856									callback.success(avatar);
2857								} else {
2858									fetchAvatarPep(account, avatar, callback);
2859								}
2860								return;
2861							}
2862						}
2863					}
2864				}
2865				callback.error(0, null);
2866			}
2867		});
2868	}
2869
2870	public void deleteContactOnServer(Contact contact) {
2871		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
2872		contact.resetOption(Contact.Options.DIRTY_PUSH);
2873		contact.setOption(Contact.Options.DIRTY_DELETE);
2874		Account account = contact.getAccount();
2875		if (account.getStatus() == Account.State.ONLINE) {
2876			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2877			Element item = iq.query(Xmlns.ROSTER).addChild("item");
2878			item.setAttribute("jid", contact.getJid().toString());
2879			item.setAttribute("subscription", "remove");
2880			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2881		}
2882	}
2883
2884	public void updateConversation(final Conversation conversation) {
2885		mDatabaseExecutor.execute(new Runnable() {
2886			@Override
2887			public void run() {
2888				databaseBackend.updateConversation(conversation);
2889			}
2890		});
2891	}
2892
2893	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
2894		synchronized (account) {
2895			XmppConnection connection = account.getXmppConnection();
2896			if (connection == null) {
2897				connection = createConnection(account);
2898				account.setXmppConnection(connection);
2899			}
2900			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
2901				if (!force) {
2902					disconnect(account, false);
2903				}
2904				Thread thread = new Thread(connection);
2905				connection.setInteractive(interactive);
2906				connection.prepareNewConnection();
2907				connection.interrupt();
2908				thread.start();
2909				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
2910			} else {
2911				disconnect(account, force);
2912				account.getRoster().clearPresences();
2913				connection.resetEverything();
2914				account.getAxolotlService().resetBrokenness();
2915			}
2916		}
2917	}
2918
2919	public void reconnectAccountInBackground(final Account account) {
2920		new Thread(new Runnable() {
2921			@Override
2922			public void run() {
2923				reconnectAccount(account, false, true);
2924			}
2925		}).start();
2926	}
2927
2928	public void invite(Conversation conversation, Jid contact) {
2929		Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": inviting " + contact + " to " + conversation.getJid().toBareJid());
2930		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
2931		sendMessagePacket(conversation.getAccount(), packet);
2932	}
2933
2934	public void directInvite(Conversation conversation, Jid jid) {
2935		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
2936		sendMessagePacket(conversation.getAccount(), packet);
2937	}
2938
2939	public void resetSendingToWaiting(Account account) {
2940		for (Conversation conversation : getConversations()) {
2941			if (conversation.getAccount() == account) {
2942				conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
2943
2944					@Override
2945					public void onMessageFound(Message message) {
2946						markMessage(message, Message.STATUS_WAITING);
2947					}
2948				});
2949			}
2950		}
2951	}
2952
2953	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
2954		return markMessage(account, recipient, uuid, status, null);
2955	}
2956
2957	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
2958		if (uuid == null) {
2959			return null;
2960		}
2961		for (Conversation conversation : getConversations()) {
2962			if (conversation.getJid().toBareJid().equals(recipient) && conversation.getAccount() == account) {
2963				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
2964				if (message != null) {
2965					markMessage(message, status, errorMessage);
2966				}
2967				return message;
2968			}
2969		}
2970		return null;
2971	}
2972
2973	public boolean markMessage(Conversation conversation, String uuid, int status) {
2974		if (uuid == null) {
2975			return false;
2976		} else {
2977			Message message = conversation.findSentMessageWithUuid(uuid);
2978			if (message != null) {
2979				markMessage(message, status);
2980				return true;
2981			} else {
2982				return false;
2983			}
2984		}
2985	}
2986
2987	public void markMessage(Message message, int status) {
2988		markMessage(message, status, null);
2989	}
2990
2991
2992	public void markMessage(Message message, int status, String errorMessage) {
2993		if (status == Message.STATUS_SEND_FAILED
2994				&& (message.getStatus() == Message.STATUS_SEND_RECEIVED || message
2995				.getStatus() == Message.STATUS_SEND_DISPLAYED)) {
2996			return;
2997		}
2998		message.setErrorMessage(errorMessage);
2999		message.setStatus(status);
3000		databaseBackend.updateMessage(message);
3001		updateConversationUi();
3002	}
3003
3004	public SharedPreferences getPreferences() {
3005		return PreferenceManager
3006				.getDefaultSharedPreferences(getApplicationContext());
3007	}
3008
3009	public boolean confirmMessages() {
3010		return getPreferences().getBoolean("confirm_messages", true);
3011	}
3012
3013	public boolean allowMessageCorrection() {
3014		return getPreferences().getBoolean("allow_message_correction", true);
3015	}
3016
3017	public boolean sendChatStates() {
3018		return getPreferences().getBoolean("chat_states", false);
3019	}
3020
3021	public boolean saveEncryptedMessages() {
3022		return !getPreferences().getBoolean("dont_save_encrypted", false);
3023	}
3024
3025	private boolean respectAutojoin() {
3026		return getPreferences().getBoolean("autojoin", true);
3027	}
3028
3029	public boolean indicateReceived() {
3030		return getPreferences().getBoolean("indicate_received", false);
3031	}
3032
3033	public boolean useTorToConnect() {
3034		return Config.FORCE_ORBOT || getPreferences().getBoolean("use_tor", false);
3035	}
3036
3037	public boolean showExtendedConnectionOptions() {
3038		return getPreferences().getBoolean("show_connection_options", false);
3039	}
3040
3041	public boolean broadcastLastActivity() {
3042		return getPreferences().getBoolean("last_activity", false);
3043	}
3044
3045	public int unreadCount() {
3046		int count = 0;
3047		for (Conversation conversation : getConversations()) {
3048			count += conversation.unreadCount();
3049		}
3050		return count;
3051	}
3052
3053
3054	public void showErrorToastInUi(int resId) {
3055		if (mOnShowErrorToast != null) {
3056			mOnShowErrorToast.onShowErrorToast(resId);
3057		}
3058	}
3059
3060	public void updateConversationUi() {
3061		if (mOnConversationUpdate != null) {
3062			mOnConversationUpdate.onConversationUpdate();
3063		}
3064	}
3065
3066	public void updateAccountUi() {
3067		if (mOnAccountUpdate != null) {
3068			mOnAccountUpdate.onAccountUpdate();
3069		}
3070	}
3071
3072	public void updateRosterUi() {
3073		if (mOnRosterUpdate != null) {
3074			mOnRosterUpdate.onRosterUpdate();
3075		}
3076	}
3077
3078	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3079		if (mOnCaptchaRequested != null) {
3080			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3081			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3082					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3083
3084			mOnCaptchaRequested.onCaptchaRequested(account, id, data, scaled);
3085			return true;
3086		}
3087		return false;
3088	}
3089
3090	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3091		if (mOnUpdateBlocklist != null) {
3092			mOnUpdateBlocklist.OnUpdateBlocklist(status);
3093		}
3094	}
3095
3096	public void updateMucRosterUi() {
3097		if (mOnMucRosterUpdate != null) {
3098			mOnMucRosterUpdate.onMucRosterUpdate();
3099		}
3100	}
3101
3102	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3103		if (mOnKeyStatusUpdated != null) {
3104			mOnKeyStatusUpdated.onKeyStatusUpdated(report);
3105		}
3106	}
3107
3108	public Account findAccountByJid(final Jid accountJid) {
3109		for (Account account : this.accounts) {
3110			if (account.getJid().toBareJid().equals(accountJid.toBareJid())) {
3111				return account;
3112			}
3113		}
3114		return null;
3115	}
3116
3117	public Conversation findConversationByUuid(String uuid) {
3118		for (Conversation conversation : getConversations()) {
3119			if (conversation.getUuid().equals(uuid)) {
3120				return conversation;
3121			}
3122		}
3123		return null;
3124	}
3125
3126	public boolean markRead(final Conversation conversation) {
3127		return markRead(conversation,true);
3128	}
3129
3130	public boolean markRead(final Conversation conversation, boolean clear) {
3131		if (clear) {
3132			mNotificationService.clear(conversation);
3133		}
3134		final List<Message> readMessages = conversation.markRead();
3135		if (readMessages.size() > 0) {
3136			Runnable runnable = new Runnable() {
3137				@Override
3138				public void run() {
3139					for (Message message : readMessages) {
3140						databaseBackend.updateMessage(message);
3141					}
3142				}
3143			};
3144			mDatabaseExecutor.execute(runnable);
3145			updateUnreadCountBadge();
3146			return true;
3147		} else {
3148			return false;
3149		}
3150	}
3151
3152	public synchronized void updateUnreadCountBadge() {
3153		int count = unreadCount();
3154		if (unreadCount != count) {
3155			Log.d(Config.LOGTAG, "update unread count to " + count);
3156			if (count > 0) {
3157				ShortcutBadger.applyCount(getApplicationContext(), count);
3158			} else {
3159				ShortcutBadger.removeCount(getApplicationContext());
3160			}
3161			unreadCount = count;
3162		}
3163	}
3164
3165	public void sendReadMarker(final Conversation conversation) {
3166		final Message markable = conversation.getLatestMarkableMessage();
3167		if (this.markRead(conversation)) {
3168			updateConversationUi();
3169		}
3170		if (confirmMessages()
3171				&& markable != null
3172				&& markable.trusted()
3173				&& markable.getRemoteMsgId() != null) {
3174			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
3175			Account account = conversation.getAccount();
3176			final Jid to = markable.getCounterpart();
3177			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId());
3178			this.sendMessagePacket(conversation.getAccount(), packet);
3179		}
3180	}
3181
3182	public SecureRandom getRNG() {
3183		return this.mRandom;
3184	}
3185
3186	public MemorizingTrustManager getMemorizingTrustManager() {
3187		return this.mMemorizingTrustManager;
3188	}
3189
3190	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
3191		this.mMemorizingTrustManager = trustManager;
3192	}
3193
3194	public void updateMemorizingTrustmanager() {
3195		final MemorizingTrustManager tm;
3196		final boolean dontTrustSystemCAs = getPreferences().getBoolean("dont_trust_system_cas", false);
3197		if (dontTrustSystemCAs) {
3198			tm = new MemorizingTrustManager(getApplicationContext(), null);
3199		} else {
3200			tm = new MemorizingTrustManager(getApplicationContext());
3201		}
3202		setMemorizingTrustManager(tm);
3203	}
3204
3205	public PowerManager getPowerManager() {
3206		return this.pm;
3207	}
3208
3209	public LruCache<String, Bitmap> getBitmapCache() {
3210		return this.mBitmapCache;
3211	}
3212
3213	public void syncRosterToDisk(final Account account) {
3214		Runnable runnable = new Runnable() {
3215
3216			@Override
3217			public void run() {
3218				databaseBackend.writeRoster(account.getRoster());
3219			}
3220		};
3221		mDatabaseExecutor.execute(runnable);
3222
3223	}
3224
3225	public List<String> getKnownHosts() {
3226		final List<String> hosts = new ArrayList<>();
3227		for (final Account account : getAccounts()) {
3228			if (!hosts.contains(account.getServer().toString())) {
3229				hosts.add(account.getServer().toString());
3230			}
3231			for (final Contact contact : account.getRoster().getContacts()) {
3232				if (contact.showInRoster()) {
3233					final String server = contact.getServer().toString();
3234					if (server != null && !hosts.contains(server)) {
3235						hosts.add(server);
3236					}
3237				}
3238			}
3239		}
3240		if(Config.DOMAIN_LOCK != null && !hosts.contains(Config.DOMAIN_LOCK)) {
3241			hosts.add(Config.DOMAIN_LOCK);
3242		}
3243		if(Config.MAGIC_CREATE_DOMAIN != null && !hosts.contains(Config.MAGIC_CREATE_DOMAIN)) {
3244			hosts.add(Config.MAGIC_CREATE_DOMAIN);
3245		}
3246		return hosts;
3247	}
3248
3249	public List<String> getKnownConferenceHosts() {
3250		final ArrayList<String> mucServers = new ArrayList<>();
3251		for (final Account account : accounts) {
3252			if (account.getXmppConnection() != null) {
3253				final String server = account.getXmppConnection().getMucServer();
3254				if (server != null && !mucServers.contains(server)) {
3255					mucServers.add(server);
3256				}
3257			}
3258		}
3259		return mucServers;
3260	}
3261
3262	public void sendMessagePacket(Account account, MessagePacket packet) {
3263		XmppConnection connection = account.getXmppConnection();
3264		if (connection != null) {
3265			connection.sendMessagePacket(packet);
3266		}
3267	}
3268
3269	public void sendPresencePacket(Account account, PresencePacket packet) {
3270		XmppConnection connection = account.getXmppConnection();
3271		if (connection != null) {
3272			connection.sendPresencePacket(packet);
3273		}
3274	}
3275
3276	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
3277		final XmppConnection connection = account.getXmppConnection();
3278		if (connection != null) {
3279			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
3280			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener);
3281		}
3282	}
3283
3284	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
3285		final XmppConnection connection = account.getXmppConnection();
3286		if (connection != null) {
3287			connection.sendIqPacket(packet, callback);
3288		}
3289	}
3290
3291	public void sendPresence(final Account account) {
3292		sendPresence(account, checkListeners() && broadcastLastActivity());
3293	}
3294
3295	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
3296		PresencePacket packet;
3297		if (manuallyChangePresence()) {
3298			packet =  mPresenceGenerator.selfPresence(account, account.getPresenceStatus());
3299			String message = account.getPresenceStatusMessage();
3300			if (message != null && !message.isEmpty()) {
3301				packet.addChild(new Element("status").setContent(message));
3302			}
3303		} else {
3304			packet = mPresenceGenerator.selfPresence(account, getTargetPresence());
3305		}
3306		if (mLastActivity > 0 && includeIdleTimestamp) {
3307			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
3308			packet.addChild("idle","urn:xmpp:idle:1").setAttribute("since", AbstractGenerator.getTimestamp(since));
3309		}
3310		sendPresencePacket(account, packet);
3311	}
3312
3313	private void deactivateGracePeriod() {
3314		for(Account account : getAccounts()) {
3315			account.deactivateGracePeriod();
3316		}
3317	}
3318
3319	public void refreshAllPresences() {
3320		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
3321		for (Account account : getAccounts()) {
3322			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
3323				sendPresence(account, includeIdleTimestamp);
3324			}
3325		}
3326	}
3327
3328	private void refreshAllGcmTokens() {
3329		for(Account account : getAccounts()) {
3330			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
3331				mPushManagementService.registerPushTokenOnServer(account);
3332			}
3333		}
3334	}
3335
3336	private void sendOfflinePresence(final Account account) {
3337		Log.d(Config.LOGTAG,account.getJid().toBareJid()+": sending offline presence");
3338		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
3339	}
3340
3341	public MessageGenerator getMessageGenerator() {
3342		return this.mMessageGenerator;
3343	}
3344
3345	public PresenceGenerator getPresenceGenerator() {
3346		return this.mPresenceGenerator;
3347	}
3348
3349	public IqGenerator getIqGenerator() {
3350		return this.mIqGenerator;
3351	}
3352
3353	public IqParser getIqParser() {
3354		return this.mIqParser;
3355	}
3356
3357	public JingleConnectionManager getJingleConnectionManager() {
3358		return this.mJingleConnectionManager;
3359	}
3360
3361	public MessageArchiveService getMessageArchiveService() {
3362		return this.mMessageArchiveService;
3363	}
3364
3365	public List<Contact> findContacts(Jid jid) {
3366		ArrayList<Contact> contacts = new ArrayList<>();
3367		for (Account account : getAccounts()) {
3368			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
3369				Contact contact = account.getRoster().getContactFromRoster(jid);
3370				if (contact != null) {
3371					contacts.add(contact);
3372				}
3373			}
3374		}
3375		return contacts;
3376	}
3377
3378	public Conversation findFirstMuc(Jid jid) {
3379		for(Conversation conversation : getConversations()) {
3380			if (conversation.getJid().toBareJid().equals(jid.toBareJid())
3381					&& conversation.getMode() == Conversation.MODE_MULTI) {
3382				return conversation;
3383			}
3384		}
3385		return null;
3386	}
3387
3388	public NotificationService getNotificationService() {
3389		return this.mNotificationService;
3390	}
3391
3392	public HttpConnectionManager getHttpConnectionManager() {
3393		return this.mHttpConnectionManager;
3394	}
3395
3396	public void resendFailedMessages(final Message message) {
3397		final Collection<Message> messages = new ArrayList<>();
3398		Message current = message;
3399		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
3400			messages.add(current);
3401			if (current.mergeable(current.next())) {
3402				current = current.next();
3403			} else {
3404				break;
3405			}
3406		}
3407		for (final Message msg : messages) {
3408			msg.setTime(System.currentTimeMillis());
3409			markMessage(msg, Message.STATUS_WAITING);
3410			this.resendMessage(msg, false);
3411		}
3412	}
3413
3414	public void clearConversationHistory(final Conversation conversation) {
3415		conversation.clearMessages();
3416		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
3417		conversation.setLastClearHistory(System.currentTimeMillis());
3418		Runnable runnable = new Runnable() {
3419			@Override
3420			public void run() {
3421				databaseBackend.deleteMessagesInConversation(conversation);
3422				databaseBackend.updateConversation(conversation);
3423			}
3424		};
3425		mDatabaseExecutor.execute(runnable);
3426	}
3427
3428	public void sendBlockRequest(final Blockable blockable, boolean reportSpam) {
3429		if (blockable != null && blockable.getBlockedJid() != null) {
3430			final Jid jid = blockable.getBlockedJid();
3431			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), new OnIqPacketReceived() {
3432
3433				@Override
3434				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3435					if (packet.getType() == IqPacket.TYPE.RESULT) {
3436						account.getBlocklist().add(jid);
3437						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
3438					}
3439				}
3440			});
3441		}
3442	}
3443
3444	public void sendUnblockRequest(final Blockable blockable) {
3445		if (blockable != null && blockable.getJid() != null) {
3446			final Jid jid = blockable.getBlockedJid();
3447			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
3448				@Override
3449				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3450					if (packet.getType() == IqPacket.TYPE.RESULT) {
3451						account.getBlocklist().remove(jid);
3452						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
3453					}
3454				}
3455			});
3456		}
3457	}
3458
3459	public void publishDisplayName(Account account) {
3460		String displayName = account.getDisplayName();
3461		if (displayName != null && !displayName.isEmpty()) {
3462			IqPacket publish = mIqGenerator.publishNick(displayName);
3463			sendIqPacket(account, publish, new OnIqPacketReceived() {
3464				@Override
3465				public void onIqPacketReceived(Account account, IqPacket packet) {
3466					if (packet.getType() == IqPacket.TYPE.ERROR) {
3467						Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not publish nick");
3468					}
3469				}
3470			});
3471		}
3472	}
3473
3474	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
3475		ServiceDiscoveryResult result = discoCache.get(key);
3476		if (result != null) {
3477			return result;
3478		} else {
3479			result = databaseBackend.findDiscoveryResult(key.first, key.second);
3480			if (result != null) {
3481				discoCache.put(key, result);
3482			}
3483			return result;
3484		}
3485	}
3486
3487	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
3488		final Pair<String,String> key = new Pair<>(presence.getHash(), presence.getVer());
3489		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
3490		if (disco != null) {
3491			presence.setServiceDiscoveryResult(disco);
3492		} else {
3493			if (!account.inProgressDiscoFetches.contains(key)) {
3494				account.inProgressDiscoFetches.add(key);
3495				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3496				request.setTo(jid);
3497				request.query("http://jabber.org/protocol/disco#info");
3498				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": making disco request for "+key.second+" to "+jid);
3499				sendIqPacket(account, request, new OnIqPacketReceived() {
3500					@Override
3501					public void onIqPacketReceived(Account account, IqPacket discoPacket) {
3502						if (discoPacket.getType() == IqPacket.TYPE.RESULT) {
3503							ServiceDiscoveryResult disco = new ServiceDiscoveryResult(discoPacket);
3504							if (presence.getVer().equals(disco.getVer())) {
3505								databaseBackend.insertDiscoveryResult(disco);
3506								injectServiceDiscorveryResult(account.getRoster(), presence.getHash(), presence.getVer(), disco);
3507							} else {
3508								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + disco.getVer());
3509							}
3510						}
3511						account.inProgressDiscoFetches.remove(key);
3512					}
3513				});
3514			}
3515		}
3516	}
3517
3518	private void injectServiceDiscorveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
3519		for(Contact contact : roster.getContacts()) {
3520			for(Presence presence : contact.getPresences().getPresences().values()) {
3521				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
3522					presence.setServiceDiscoveryResult(disco);
3523				}
3524			}
3525		}
3526	}
3527
3528	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
3529		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3530		request.addChild("prefs","urn:xmpp:mam:0");
3531		sendIqPacket(account, request, new OnIqPacketReceived() {
3532			@Override
3533			public void onIqPacketReceived(Account account, IqPacket packet) {
3534				Element prefs = packet.findChild("prefs","urn:xmpp:mam:0");
3535				if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
3536					callback.onPreferencesFetched(prefs);
3537				} else {
3538					callback.onPreferencesFetchFailed();
3539				}
3540			}
3541		});
3542	}
3543
3544	public PushManagementService getPushManagementService() {
3545		return mPushManagementService;
3546	}
3547
3548	public Account getPendingAccount() {
3549		Account pending = null;
3550		for(Account account : getAccounts()) {
3551			if (account.isOptionSet(Account.OPTION_REGISTER)) {
3552				pending = account;
3553			} else {
3554				return null;
3555			}
3556		}
3557		return pending;
3558	}
3559
3560	public void changeStatus(Account account, Presence.Status status, String statusMessage, boolean send) {
3561		if (!statusMessage.isEmpty()) {
3562			databaseBackend.insertPresenceTemplate(new PresenceTemplate(status, statusMessage));
3563		}
3564		changeStatusReal(account, status, statusMessage, send);
3565	}
3566
3567	private void changeStatusReal(Account account, Presence.Status status, String statusMessage, boolean send) {
3568		account.setPresenceStatus(status);
3569		account.setPresenceStatusMessage(statusMessage);
3570		databaseBackend.updateAccount(account);
3571		if (!account.isOptionSet(Account.OPTION_DISABLED) && send) {
3572			sendPresence(account);
3573		}
3574	}
3575
3576	public void changeStatus(Presence.Status status, String statusMessage) {
3577		if (!statusMessage.isEmpty()) {
3578			databaseBackend.insertPresenceTemplate(new PresenceTemplate(status, statusMessage));
3579		}
3580		for(Account account : getAccounts()) {
3581			changeStatusReal(account, status, statusMessage, true);
3582		}
3583	}
3584
3585	public List<PresenceTemplate> getPresenceTemplates(Account account) {
3586		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
3587		for(PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
3588			if (!templates.contains(template)) {
3589				templates.add(0, template);
3590			}
3591		}
3592		return templates;
3593	}
3594
3595	public void saveConversationAsBookmark(Conversation conversation, String name) {
3596		Account account = conversation.getAccount();
3597		Bookmark bookmark = new Bookmark(account, conversation.getJid().toBareJid());
3598		if (!conversation.getJid().isBareJid()) {
3599			bookmark.setNick(conversation.getJid().getResourcepart());
3600		}
3601		if (name != null && !name.trim().isEmpty()) {
3602			bookmark.setBookmarkName(name.trim());
3603		}
3604		bookmark.setAutojoin(getPreferences().getBoolean("autojoin",true));
3605		account.getBookmarks().add(bookmark);
3606		pushBookmarks(account);
3607		conversation.setBookmark(bookmark);
3608	}
3609
3610	public void clearStartTimeCounter() {
3611		mDatabaseExecutor.execute(new Runnable() {
3612			@Override
3613			public void run() {
3614				databaseBackend.clearStartTimeCounter();
3615			}
3616		});
3617	}
3618
3619	public void verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
3620		boolean needsRosterWrite = false;
3621		final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
3622		for(XmppUri.Fingerprint fp : fingerprints) {
3623			if (fp.type == XmppUri.FingerprintType.OTR) {
3624				needsRosterWrite |= contact.addOtrFingerprint(fp.fingerprint);
3625			} else if (fp.type == XmppUri.FingerprintType.OMEMO) {
3626				String fingerprint = "05"+fp.fingerprint.replaceAll("\\s","");
3627				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
3628				if (fingerprintStatus != null) {
3629					if (!fingerprintStatus.isVerified()) {
3630						axolotlService.setFingerprintTrust(fingerprint,fingerprintStatus.toVerified());
3631					}
3632				} else {
3633					axolotlService.preVerifyFingerprint(contact,fingerprint);
3634				}
3635			}
3636		}
3637		if (needsRosterWrite) {
3638			syncRosterToDisk(contact.getAccount());
3639		}
3640	}
3641
3642	public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
3643		final AxolotlService axolotlService = account.getAxolotlService();
3644		boolean verifiedSomething = false;
3645		for(XmppUri.Fingerprint fp : fingerprints) {
3646			if (fp.type == XmppUri.FingerprintType.OMEMO) {
3647				String fingerprint = "05"+fp.fingerprint.replaceAll("\\s","");
3648				Log.d(Config.LOGTAG,"trying to verify own fp="+fingerprint);
3649				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
3650				if (fingerprintStatus != null) {
3651					if (!fingerprintStatus.isVerified()) {
3652						axolotlService.setFingerprintTrust(fingerprint,fingerprintStatus.toVerified());
3653						verifiedSomething = true;
3654					}
3655				} else {
3656					axolotlService.preVerifyFingerprint(account,fingerprint);
3657					verifiedSomething = true;
3658				}
3659			}
3660		}
3661		return verifiedSomething;
3662	}
3663
3664	public interface OnMamPreferencesFetched {
3665		void onPreferencesFetched(Element prefs);
3666		void onPreferencesFetchFailed();
3667	}
3668
3669	public void pushMamPreferences(Account account, Element prefs) {
3670		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3671		set.addChild(prefs);
3672		sendIqPacket(account, set, null);
3673	}
3674
3675	public interface OnAccountCreated {
3676		void onAccountCreated(Account account);
3677
3678		void informUser(int r);
3679	}
3680
3681	public interface OnMoreMessagesLoaded {
3682		void onMoreMessagesLoaded(int count, Conversation conversation);
3683
3684		void informUser(int r);
3685	}
3686
3687	public interface OnAccountPasswordChanged {
3688		void onPasswordChangeSucceeded();
3689
3690		void onPasswordChangeFailed();
3691	}
3692
3693	public interface OnAffiliationChanged {
3694		void onAffiliationChangedSuccessful(Jid jid);
3695
3696		void onAffiliationChangeFailed(Jid jid, int resId);
3697	}
3698
3699	public interface OnRoleChanged {
3700		void onRoleChangedSuccessful(String nick);
3701
3702		void onRoleChangeFailed(String nick, int resid);
3703	}
3704
3705	public interface OnConversationUpdate {
3706		void onConversationUpdate();
3707	}
3708
3709	public interface OnAccountUpdate {
3710		void onAccountUpdate();
3711	}
3712
3713	public interface OnCaptchaRequested {
3714		void onCaptchaRequested(Account account,
3715								String id,
3716								Data data,
3717								Bitmap captcha);
3718	}
3719
3720	public interface OnRosterUpdate {
3721		void onRosterUpdate();
3722	}
3723
3724	public interface OnMucRosterUpdate {
3725		void onMucRosterUpdate();
3726	}
3727
3728	public interface OnConferenceConfigurationFetched {
3729		void onConferenceConfigurationFetched(Conversation conversation);
3730
3731		void onFetchFailed(Conversation conversation, Element error);
3732	}
3733
3734	public interface OnConferenceJoined {
3735		void onConferenceJoined(Conversation conversation);
3736	}
3737
3738	public interface OnConferenceOptionsPushed {
3739		void onPushSucceeded();
3740
3741		void onPushFailed();
3742	}
3743
3744	public interface OnShowErrorToast {
3745		void onShowErrorToast(int resId);
3746	}
3747
3748	public class XmppConnectionBinder extends Binder {
3749		public XmppConnectionService getService() {
3750			return XmppConnectionService.this;
3751		}
3752	}
3753}