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.SettingsActivity;
  97import eu.siacs.conversations.ui.UiCallback;
  98import eu.siacs.conversations.utils.ConversationsFileObserver;
  99import eu.siacs.conversations.utils.CryptoHelper;
 100import eu.siacs.conversations.utils.ExceptionHelper;
 101import eu.siacs.conversations.utils.OnPhoneContactsLoadedListener;
 102import eu.siacs.conversations.utils.PRNGFixes;
 103import eu.siacs.conversations.utils.PhoneHelper;
 104import eu.siacs.conversations.utils.ReplacingSerialSingleThreadExecutor;
 105import eu.siacs.conversations.utils.SerialSingleThreadExecutor;
 106import eu.siacs.conversations.utils.Xmlns;
 107import eu.siacs.conversations.utils.XmppUri;
 108import eu.siacs.conversations.xml.Element;
 109import eu.siacs.conversations.xmpp.OnBindListener;
 110import eu.siacs.conversations.xmpp.OnContactStatusChanged;
 111import eu.siacs.conversations.xmpp.OnIqPacketReceived;
 112import eu.siacs.conversations.xmpp.OnKeyStatusUpdated;
 113import eu.siacs.conversations.xmpp.OnMessageAcknowledged;
 114import eu.siacs.conversations.xmpp.OnMessagePacketReceived;
 115import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
 116import eu.siacs.conversations.xmpp.OnStatusChanged;
 117import eu.siacs.conversations.xmpp.OnUpdateBlocklist;
 118import eu.siacs.conversations.xmpp.XmppConnection;
 119import eu.siacs.conversations.xmpp.chatstate.ChatState;
 120import eu.siacs.conversations.xmpp.forms.Data;
 121import eu.siacs.conversations.xmpp.forms.Field;
 122import eu.siacs.conversations.xmpp.jid.InvalidJidException;
 123import eu.siacs.conversations.xmpp.jid.Jid;
 124import eu.siacs.conversations.xmpp.jingle.JingleConnectionManager;
 125import eu.siacs.conversations.xmpp.jingle.OnJinglePacketReceived;
 126import eu.siacs.conversations.xmpp.jingle.stanzas.JinglePacket;
 127import eu.siacs.conversations.xmpp.pep.Avatar;
 128import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 129import eu.siacs.conversations.xmpp.stanzas.MessagePacket;
 130import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
 131import me.leolin.shortcutbadger.ShortcutBadger;
 132
 133public class XmppConnectionService extends Service {
 134
 135	public static final String ACTION_REPLY_TO_CONVERSATION = "reply_to_conversations";
 136	public static final String ACTION_CLEAR_NOTIFICATION = "clear_notification";
 137	public static final String ACTION_DISABLE_FOREGROUND = "disable_foreground";
 138	public static final String ACTION_DISMISS_ERROR_NOTIFICATIONS = "dismiss_error";
 139	public static final String ACTION_TRY_AGAIN = "try_again";
 140	public static final String ACTION_IDLE_PING = "idle_ping";
 141	private static final String ACTION_MERGE_PHONE_CONTACTS = "merge_phone_contacts";
 142	public static final String ACTION_GCM_TOKEN_REFRESH = "gcm_token_refresh";
 143	public static final String ACTION_GCM_MESSAGE_RECEIVED = "gcm_message_received";
 144	private final SerialSingleThreadExecutor mFileAddingExecutor = new SerialSingleThreadExecutor();
 145	private final SerialSingleThreadExecutor mDatabaseExecutor = new SerialSingleThreadExecutor();
 146	private ReplacingSerialSingleThreadExecutor mContactMergerExecutor = new ReplacingSerialSingleThreadExecutor(true);
 147	private final IBinder mBinder = new XmppConnectionBinder();
 148	private final List<Conversation> conversations = new CopyOnWriteArrayList<>();
 149	private final IqGenerator mIqGenerator = new IqGenerator(this);
 150	private final List<String> mInProgressAvatarFetches = new ArrayList<>();
 151	private final HashSet<Jid> mLowPingTimeoutMode = new HashSet<>();
 152
 153	private long mLastActivity = 0;
 154
 155	public DatabaseBackend databaseBackend;
 156	private ContentObserver contactObserver = new ContentObserver(null) {
 157		@Override
 158		public void onChange(boolean selfChange) {
 159			super.onChange(selfChange);
 160			Intent intent = new Intent(getApplicationContext(),
 161					XmppConnectionService.class);
 162			intent.setAction(ACTION_MERGE_PHONE_CONTACTS);
 163			startService(intent);
 164		}
 165	};
 166	private FileBackend fileBackend = new FileBackend(this);
 167	private MemorizingTrustManager mMemorizingTrustManager;
 168	private NotificationService mNotificationService = new NotificationService(
 169			this);
 170	private OnMessagePacketReceived mMessageParser = new MessageParser(this);
 171	private OnPresencePacketReceived mPresenceParser = new PresenceParser(this);
 172	private IqParser mIqParser = new IqParser(this);
 173	private OnIqPacketReceived mDefaultIqHandler = new OnIqPacketReceived() {
 174		@Override
 175		public void onIqPacketReceived(Account account, IqPacket packet) {
 176			if (packet.getType() != IqPacket.TYPE.RESULT) {
 177				Element error = packet.findChild("error");
 178				String text = error != null ? error.findChildContent("text") : null;
 179				if (text != null) {
 180					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": received iq error - " + text);
 181				}
 182			}
 183		}
 184	};
 185	private MessageGenerator mMessageGenerator = new MessageGenerator(this);
 186	private PresenceGenerator mPresenceGenerator = new PresenceGenerator(this);
 187	private List<Account> accounts;
 188	private JingleConnectionManager mJingleConnectionManager = new JingleConnectionManager(
 189			this);
 190	public OnContactStatusChanged onContactStatusChanged = new OnContactStatusChanged() {
 191
 192		@Override
 193		public void onContactStatusChanged(Contact contact, boolean online) {
 194			Conversation conversation = find(getConversations(), contact);
 195			if (conversation != null) {
 196				if (online) {
 197					conversation.endOtrIfNeeded();
 198					if (contact.getPresences().size() == 1) {
 199						sendUnsentMessages(conversation);
 200					}
 201				} else {
 202					//check if the resource we are haveing a conversation with is still online
 203					if (conversation.hasValidOtrSession()) {
 204						String otrResource = conversation.getOtrSession().getSessionID().getUserID();
 205						if (!(Arrays.asList(contact.getPresences().toResourceArray()).contains(otrResource))) {
 206							conversation.endOtrIfNeeded();
 207						}
 208					}
 209				}
 210			}
 211		}
 212	};
 213	private HttpConnectionManager mHttpConnectionManager = new HttpConnectionManager(
 214			this);
 215	private AvatarService mAvatarService = new AvatarService(this);
 216	private MessageArchiveService mMessageArchiveService = new MessageArchiveService(this);
 217	private PushManagementService mPushManagementService = new PushManagementService(this);
 218	private OnConversationUpdate mOnConversationUpdate = null;
 219
 220
 221	private final ConversationsFileObserver fileObserver = new ConversationsFileObserver(
 222			Environment.getExternalStorageDirectory().getAbsolutePath()
 223	) {
 224		@Override
 225		public void onEvent(int event, String path) {
 226			markFileDeleted(path);
 227		}
 228	};
 229	private final OnJinglePacketReceived jingleListener = new OnJinglePacketReceived() {
 230
 231		@Override
 232		public void onJinglePacketReceived(Account account, JinglePacket packet) {
 233			mJingleConnectionManager.deliverPacket(account, packet);
 234		}
 235	};
 236	private final OnMessageAcknowledged mOnMessageAcknowledgedListener = new OnMessageAcknowledged() {
 237
 238		@Override
 239		public void onMessageAcknowledged(Account account, String uuid) {
 240			for (final Conversation conversation : getConversations()) {
 241				if (conversation.getAccount() == account) {
 242					Message message = conversation.findUnsentMessageWithUuid(uuid);
 243					if (message != null) {
 244						markMessage(message, Message.STATUS_SEND);
 245					}
 246				}
 247			}
 248		}
 249	};
 250	private int convChangedListenerCount = 0;
 251	private OnShowErrorToast mOnShowErrorToast = null;
 252	private int showErrorToastListenerCount = 0;
 253	private int unreadCount = -1;
 254	private OnAccountUpdate mOnAccountUpdate = null;
 255	private OnCaptchaRequested mOnCaptchaRequested = null;
 256	private int accountChangedListenerCount = 0;
 257	private int captchaRequestedListenerCount = 0;
 258	private OnRosterUpdate mOnRosterUpdate = null;
 259	private OnUpdateBlocklist mOnUpdateBlocklist = null;
 260	private int updateBlocklistListenerCount = 0;
 261	private int rosterChangedListenerCount = 0;
 262	private OnMucRosterUpdate mOnMucRosterUpdate = null;
 263	private int mucRosterChangedListenerCount = 0;
 264	private OnKeyStatusUpdated mOnKeyStatusUpdated = null;
 265	private int keyStatusUpdatedListenerCount = 0;
 266	private SecureRandom mRandom;
 267	private LruCache<Pair<String,String>,ServiceDiscoveryResult> discoCache = new LruCache<>(20);
 268	private final OnBindListener mOnBindListener = new OnBindListener() {
 269
 270		@Override
 271		public void onBind(final Account account) {
 272			synchronized (mInProgressAvatarFetches) {
 273				for (Iterator<String> iterator = mInProgressAvatarFetches.iterator(); iterator.hasNext(); ) {
 274					final String KEY = iterator.next();
 275					if (KEY.startsWith(account.getJid().toBareJid() + "_")) {
 276						iterator.remove();
 277					}
 278				}
 279			}
 280			account.getRoster().clearPresences();
 281			mJingleConnectionManager.cancelInTransmission();
 282			fetchRosterFromServer(account);
 283			fetchBookmarks(account);
 284			sendPresence(account);
 285			if (mPushManagementService.available(account)) {
 286				mPushManagementService.registerPushTokenOnServer(account);
 287			}
 288			connectMultiModeConversations(account);
 289			syncDirtyContacts(account);
 290		}
 291	};
 292	private OnStatusChanged statusListener = new OnStatusChanged() {
 293
 294		@Override
 295		public void onStatusChanged(final Account account) {
 296			XmppConnection connection = account.getXmppConnection();
 297			if (mOnAccountUpdate != null) {
 298				mOnAccountUpdate.onAccountUpdate();
 299			}
 300			if (account.getStatus() == Account.State.ONLINE) {
 301				synchronized (mLowPingTimeoutMode) {
 302					if (mLowPingTimeoutMode.remove(account.getJid().toBareJid())) {
 303						Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": leaving low ping timeout mode");
 304					}
 305				}
 306				if (account.setShowErrorNotification(true)) {
 307					databaseBackend.updateAccount(account);
 308				}
 309				mMessageArchiveService.executePendingQueries(account);
 310				if (connection != null && connection.getFeatures().csi()) {
 311					if (checkListeners()) {
 312						Log.d(Config.LOGTAG, account.getJid().toBareJid() + " sending csi//inactive");
 313						connection.sendInactive();
 314					} else {
 315						Log.d(Config.LOGTAG, account.getJid().toBareJid() + " sending csi//active");
 316						connection.sendActive();
 317					}
 318				}
 319				List<Conversation> conversations = getConversations();
 320				for (Conversation conversation : conversations) {
 321					if (conversation.getAccount() == account
 322							&& !account.pendingConferenceJoins.contains(conversation)) {
 323						if (!conversation.startOtrIfNeeded()) {
 324							Log.d(Config.LOGTAG,account.getJid().toBareJid()+": couldn't start OTR with "+conversation.getContact().getJid()+" when needed");
 325						}
 326						sendUnsentMessages(conversation);
 327					}
 328				}
 329				for (Conversation conversation : account.pendingConferenceLeaves) {
 330					leaveMuc(conversation);
 331				}
 332				account.pendingConferenceLeaves.clear();
 333				for (Conversation conversation : account.pendingConferenceJoins) {
 334					joinMuc(conversation);
 335				}
 336				account.pendingConferenceJoins.clear();
 337				scheduleWakeUpCall(Config.PING_MAX_INTERVAL, account.getUuid().hashCode());
 338			} else {
 339				if (account.getStatus() == Account.State.OFFLINE || account.getStatus() == Account.State.DISABLED) {
 340					resetSendingToWaiting(account);
 341					if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 342						synchronized (mLowPingTimeoutMode) {
 343							if (mLowPingTimeoutMode.contains(account.getJid().toBareJid())) {
 344								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": went into offline state during low ping mode. reconnecting now");
 345								reconnectAccount(account, true, false);
 346							} else {
 347								int timeToReconnect = mRandom.nextInt(10) + 2;
 348								scheduleWakeUpCall(timeToReconnect, account.getUuid().hashCode());
 349							}
 350						}
 351					}
 352				} else if (account.getStatus() == Account.State.REGISTRATION_SUCCESSFUL) {
 353					databaseBackend.updateAccount(account);
 354					reconnectAccount(account, true, false);
 355				} else if ((account.getStatus() != Account.State.CONNECTING)
 356						&& (account.getStatus() != Account.State.NO_INTERNET)) {
 357					resetSendingToWaiting(account);
 358					if (connection != null) {
 359						int next = connection.getTimeToNextAttempt();
 360						Log.d(Config.LOGTAG, account.getJid().toBareJid()
 361								+ ": error connecting account. try again in "
 362								+ next + "s for the "
 363								+ (connection.getAttempt() + 1) + " time");
 364						scheduleWakeUpCall(next, account.getUuid().hashCode());
 365					}
 366				}
 367			}
 368			getNotificationService().updateErrorNotification();
 369		}
 370	};
 371	private OpenPgpServiceConnection pgpServiceConnection;
 372	private PgpEngine mPgpEngine = null;
 373	private WakeLock wakeLock;
 374	private PowerManager pm;
 375	private LruCache<String, Bitmap> mBitmapCache;
 376	private EventReceiver mEventReceiver = new EventReceiver();
 377
 378	private boolean mRestoredFromDatabase = false;
 379
 380	private static String generateFetchKey(Account account, final Avatar avatar) {
 381		return account.getJid().toBareJid() + "_" + avatar.owner + "_" + avatar.sha1sum;
 382	}
 383
 384	public boolean areMessagesInitialized() {
 385		return this.mRestoredFromDatabase;
 386	}
 387
 388	public PgpEngine getPgpEngine() {
 389		if (!Config.supportOpenPgp()) {
 390			return null;
 391		} else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 392			if (this.mPgpEngine == null) {
 393				this.mPgpEngine = new PgpEngine(new OpenPgpApi(
 394						getApplicationContext(),
 395						pgpServiceConnection.getService()), this);
 396			}
 397			return mPgpEngine;
 398		} else {
 399			return null;
 400		}
 401
 402	}
 403
 404	public OpenPgpApi getOpenPgpApi() {
 405		if (!Config.supportOpenPgp()) {
 406			return null;
 407		} else if (pgpServiceConnection != null && pgpServiceConnection.isBound()) {
 408			return new OpenPgpApi(this, pgpServiceConnection.getService());
 409		} else {
 410			return null;
 411		}
 412	}
 413
 414	public FileBackend getFileBackend() {
 415		return this.fileBackend;
 416	}
 417
 418	public AvatarService getAvatarService() {
 419		return this.mAvatarService;
 420	}
 421
 422	public void attachLocationToConversation(final Conversation conversation,
 423											 final Uri uri,
 424											 final UiCallback<Message> callback) {
 425		int encryption = conversation.getNextEncryption();
 426		if (encryption == Message.ENCRYPTION_PGP) {
 427			encryption = Message.ENCRYPTION_DECRYPTED;
 428		}
 429		Message message = new Message(conversation, uri.toString(), encryption);
 430		if (conversation.getNextCounterpart() != null) {
 431			message.setCounterpart(conversation.getNextCounterpart());
 432		}
 433		if (encryption == Message.ENCRYPTION_DECRYPTED) {
 434			getPgpEngine().encrypt(message, callback);
 435		} else {
 436			callback.success(message);
 437		}
 438	}
 439
 440	public void attachFileToConversation(final Conversation conversation,
 441										 final Uri uri,
 442										 final UiCallback<Message> callback) {
 443		if (FileBackend.weOwnFile(this, uri)) {
 444			Log.d(Config.LOGTAG,"trying to attach file that belonged to us");
 445			callback.error(R.string.security_error_invalid_file_access, null);
 446			return;
 447		}
 448		final Message message;
 449		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 450			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 451		} else {
 452			message = new Message(conversation, "", conversation.getNextEncryption());
 453		}
 454		message.setCounterpart(conversation.getNextCounterpart());
 455		message.setType(Message.TYPE_FILE);
 456		final String path = getFileBackend().getOriginalPath(uri);
 457		mFileAddingExecutor.execute(new Runnable() {
 458			@Override
 459			public void run() {
 460				if (path != null) {
 461					message.setRelativeFilePath(path);
 462					getFileBackend().updateFileParams(message);
 463					if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 464						getPgpEngine().encrypt(message, callback);
 465					} else {
 466						callback.success(message);
 467					}
 468				} else {
 469					try {
 470						getFileBackend().copyFileToPrivateStorage(message, uri);
 471						getFileBackend().updateFileParams(message);
 472						if (message.getEncryption() == Message.ENCRYPTION_DECRYPTED) {
 473							final PgpEngine pgpEngine = getPgpEngine();
 474							if (pgpEngine != null) {
 475								pgpEngine.encrypt(message, callback);
 476							} else if (callback != null) {
 477								callback.error(R.string.unable_to_connect_to_keychain, null);
 478							}
 479						} else {
 480							callback.success(message);
 481						}
 482					} catch (FileBackend.FileCopyException e) {
 483						callback.error(e.getResId(), message);
 484					}
 485				}
 486			}
 487		});
 488	}
 489
 490	public void attachImageToConversation(final Conversation conversation, final Uri uri, final UiCallback<Message> callback) {
 491		if (FileBackend.weOwnFile(this, uri)) {
 492			Log.d(Config.LOGTAG,"trying to attach file that belonged to us");
 493			callback.error(R.string.security_error_invalid_file_access, null);
 494			return;
 495		}
 496		final String compressPictures = getCompressPicturesPreference();
 497		if ("never".equals(compressPictures)
 498				|| ("auto".equals(compressPictures) && getFileBackend().useImageAsIs(uri))) {
 499			Log.d(Config.LOGTAG,conversation.getAccount().getJid().toBareJid()+ ": not compressing picture. sending as file");
 500			attachFileToConversation(conversation, uri, callback);
 501			return;
 502		}
 503		final Message message;
 504		if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 505			message = new Message(conversation, "", Message.ENCRYPTION_DECRYPTED);
 506		} else {
 507			message = new Message(conversation, "", conversation.getNextEncryption());
 508		}
 509		message.setCounterpart(conversation.getNextCounterpart());
 510		message.setType(Message.TYPE_IMAGE);
 511		mFileAddingExecutor.execute(new Runnable() {
 512
 513			@Override
 514			public void run() {
 515				try {
 516					getFileBackend().copyImageToPrivateStorage(message, uri);
 517					if (conversation.getNextEncryption() == Message.ENCRYPTION_PGP) {
 518						final PgpEngine pgpEngine = getPgpEngine();
 519						if (pgpEngine != null) {
 520							pgpEngine.encrypt(message, callback);
 521						} else if (callback != null){
 522							callback.error(R.string.unable_to_connect_to_keychain, null);
 523						}
 524					} else {
 525						callback.success(message);
 526					}
 527				} catch (final FileBackend.FileCopyException e) {
 528					callback.error(e.getResId(), message);
 529				}
 530			}
 531		});
 532	}
 533
 534	public Conversation find(Bookmark bookmark) {
 535		return find(bookmark.getAccount(), bookmark.getJid());
 536	}
 537
 538	public Conversation find(final Account account, final Jid jid) {
 539		return find(getConversations(), account, jid);
 540	}
 541
 542	@Override
 543	public int onStartCommand(Intent intent, int flags, int startId) {
 544		final String action = intent == null ? null : intent.getAction();
 545		String pushedAccountHash = null;
 546		boolean interactive = false;
 547		if (action != null) {
 548			final Conversation c = findConversationByUuid(intent.getStringExtra("uuid"));
 549			switch (action) {
 550				case ConnectivityManager.CONNECTIVITY_ACTION:
 551					if (hasInternetConnection() && Config.RESET_ATTEMPT_COUNT_ON_NETWORK_CHANGE) {
 552						resetAllAttemptCounts(true, false);
 553					}
 554					break;
 555				case ACTION_MERGE_PHONE_CONTACTS:
 556					if (mRestoredFromDatabase) {
 557						loadPhoneContacts();
 558					}
 559					return START_STICKY;
 560				case Intent.ACTION_SHUTDOWN:
 561					logoutAndSave(true);
 562					return START_NOT_STICKY;
 563				case ACTION_CLEAR_NOTIFICATION:
 564					if (c != null) {
 565						mNotificationService.clear(c);
 566					} else {
 567						mNotificationService.clear();
 568					}
 569					break;
 570				case ACTION_DISABLE_FOREGROUND:
 571					getPreferences().edit().putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE, false).commit();
 572					toggleForegroundService();
 573					break;
 574				case ACTION_DISMISS_ERROR_NOTIFICATIONS:
 575					dismissErrorNotifications();
 576					break;
 577				case ACTION_TRY_AGAIN:
 578					resetAllAttemptCounts(false, true);
 579					interactive = true;
 580					break;
 581				case ACTION_REPLY_TO_CONVERSATION:
 582					Bundle remoteInput = RemoteInput.getResultsFromIntent(intent);
 583					if (remoteInput != null && c != null) {
 584						final CharSequence body = remoteInput.getCharSequence("text_reply");
 585						if (body != null && body.length() > 0) {
 586							directReply(c, body.toString(),intent.getBooleanExtra("dismiss_notification",false));
 587						}
 588					}
 589					break;
 590				case AudioManager.RINGER_MODE_CHANGED_ACTION:
 591					if (xaOnSilentMode()) {
 592						refreshAllPresences();
 593					}
 594					break;
 595				case Intent.ACTION_SCREEN_ON:
 596					deactivateGracePeriod();
 597				case Intent.ACTION_SCREEN_OFF:
 598					if (awayWhenScreenOff()) {
 599						refreshAllPresences();
 600					}
 601					break;
 602				case ACTION_GCM_TOKEN_REFRESH:
 603					refreshAllGcmTokens();
 604					break;
 605				case ACTION_IDLE_PING:
 606					if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 607						scheduleNextIdlePing();
 608					}
 609					break;
 610				case ACTION_GCM_MESSAGE_RECEIVED:
 611					Log.d(Config.LOGTAG,"gcm push message arrived in service. extras="+intent.getExtras());
 612					pushedAccountHash = intent.getStringExtra("account");
 613					break;
 614			}
 615		}
 616		synchronized (this) {
 617			this.wakeLock.acquire();
 618			boolean pingNow = ConnectivityManager.CONNECTIVITY_ACTION.equals(action);
 619			HashSet<Account> pingCandidates = new HashSet<>();
 620			for (Account account : accounts) {
 621				pingNow |= processAccountState(account,
 622						interactive,
 623						"ui".equals(action),
 624						CryptoHelper.getAccountFingerprint(account).equals(pushedAccountHash),
 625						pingCandidates);
 626			}
 627			if (pingNow) {
 628				for (Account account : pingCandidates) {
 629					final boolean lowTimeout = mLowPingTimeoutMode.contains(account.getJid().toBareJid());
 630					account.getXmppConnection().sendPing();
 631					Log.d(Config.LOGTAG, account.getJid().toBareJid() + " send ping (action=" + action + ",lowTimeout=" + Boolean.toString(lowTimeout) + ")");
 632					scheduleWakeUpCall(lowTimeout ? Config.LOW_PING_TIMEOUT : Config.PING_TIMEOUT, account.getUuid().hashCode());
 633				}
 634			}
 635			if (wakeLock.isHeld()) {
 636				try {
 637					wakeLock.release();
 638				} catch (final RuntimeException ignored) {
 639				}
 640			}
 641		}
 642		return START_STICKY;
 643	}
 644
 645	private boolean processAccountState(Account account, boolean interactive, boolean isUiAction, boolean isAccountPushed, HashSet<Account> pingCandidates) {
 646		boolean pingNow = false;
 647		if (!account.isOptionSet(Account.OPTION_DISABLED)) {
 648			if (!hasInternetConnection()) {
 649				account.setStatus(Account.State.NO_INTERNET);
 650				if (statusListener != null) {
 651					statusListener.onStatusChanged(account);
 652				}
 653			} else {
 654				if (account.getStatus() == Account.State.NO_INTERNET) {
 655					account.setStatus(Account.State.OFFLINE);
 656					if (statusListener != null) {
 657						statusListener.onStatusChanged(account);
 658					}
 659				}
 660				if (account.getStatus() == Account.State.ONLINE) {
 661					synchronized (mLowPingTimeoutMode) {
 662						long lastReceived = account.getXmppConnection().getLastPacketReceived();
 663						long lastSent = account.getXmppConnection().getLastPingSent();
 664						long pingInterval = isUiAction ? Config.PING_MIN_INTERVAL * 1000 : Config.PING_MAX_INTERVAL * 1000;
 665						long msToNextPing = (Math.max(lastReceived, lastSent) + pingInterval) - SystemClock.elapsedRealtime();
 666						int pingTimeout = mLowPingTimeoutMode.contains(account.getJid().toBareJid()) ? Config.LOW_PING_TIMEOUT * 1000 : Config.PING_TIMEOUT * 1000;
 667						long pingTimeoutIn = (lastSent + pingTimeout) - SystemClock.elapsedRealtime();
 668						if (lastSent > lastReceived) {
 669							if (pingTimeoutIn < 0) {
 670								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": ping timeout");
 671								this.reconnectAccount(account, true, interactive);
 672							} else {
 673								int secs = (int) (pingTimeoutIn / 1000);
 674								this.scheduleWakeUpCall(secs, account.getUuid().hashCode());
 675							}
 676						} else {
 677							pingCandidates.add(account);
 678							if (isAccountPushed) {
 679								pingNow = true;
 680								if (mLowPingTimeoutMode.add(account.getJid().toBareJid())) {
 681									Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": entering low ping timeout mode");
 682								}
 683							} else if (msToNextPing <= 0) {
 684								pingNow = true;
 685							} else {
 686								this.scheduleWakeUpCall((int) (msToNextPing / 1000), account.getUuid().hashCode());
 687								if (mLowPingTimeoutMode.remove(account.getJid().toBareJid())) {
 688									Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": leaving low ping timeout mode");
 689								}
 690							}
 691						}
 692					}
 693				} else if (account.getStatus() == Account.State.OFFLINE) {
 694					reconnectAccount(account, true, interactive);
 695				} else if (account.getStatus() == Account.State.CONNECTING) {
 696					long secondsSinceLastConnect = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastConnect()) / 1000;
 697					long secondsSinceLastDisco = (SystemClock.elapsedRealtime() - account.getXmppConnection().getLastDiscoStarted()) / 1000;
 698					long discoTimeout = Config.CONNECT_DISCO_TIMEOUT - secondsSinceLastDisco;
 699					long timeout = Config.CONNECT_TIMEOUT - secondsSinceLastConnect;
 700					if (timeout < 0) {
 701						Log.d(Config.LOGTAG, account.getJid() + ": time out during connect reconnecting (secondsSinceLast="+secondsSinceLastConnect+")");
 702						account.getXmppConnection().resetAttemptCount(false);
 703						reconnectAccount(account, true, interactive);
 704					} else if (discoTimeout < 0) {
 705						account.getXmppConnection().sendDiscoTimeout();
 706						scheduleWakeUpCall((int) Math.min(timeout,discoTimeout), account.getUuid().hashCode());
 707					} else {
 708						scheduleWakeUpCall((int) Math.min(timeout,discoTimeout), account.getUuid().hashCode());
 709					}
 710				} else {
 711					if (account.getXmppConnection().getTimeToNextAttempt() <= 0) {
 712						reconnectAccount(account, true, interactive);
 713					}
 714				}
 715			}
 716		}
 717		return pingNow;
 718	}
 719
 720	public boolean isDataSaverDisabled() {
 721		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 722			ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
 723			return !connectivityManager.isActiveNetworkMetered()
 724					|| connectivityManager.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_DISABLED;
 725		} else {
 726			return true;
 727		}
 728	}
 729
 730	private void directReply(Conversation conversation, String body, final boolean dismissAfterReply) {
 731		Message message = new Message(conversation,body,conversation.getNextEncryption());
 732		message.markUnread();
 733		if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 734			getPgpEngine().encrypt(message, new UiCallback<Message>() {
 735				@Override
 736				public void success(Message message) {
 737					message.setEncryption(Message.ENCRYPTION_DECRYPTED);
 738					sendMessage(message);
 739					if (dismissAfterReply) {
 740						markRead(message.getConversation(),true);
 741					} else {
 742						mNotificationService.pushFromDirectReply(message);
 743					}
 744				}
 745
 746				@Override
 747				public void error(int errorCode, Message object) {
 748
 749				}
 750
 751				@Override
 752				public void userInputRequried(PendingIntent pi, Message object) {
 753
 754				}
 755			});
 756		} else {
 757			sendMessage(message);
 758			if (dismissAfterReply) {
 759				markRead(conversation,true);
 760			} else {
 761				mNotificationService.pushFromDirectReply(message);
 762			}
 763		}
 764	}
 765
 766	private boolean xaOnSilentMode() {
 767		return getPreferences().getBoolean("xa_on_silent_mode", false);
 768	}
 769
 770	private boolean manuallyChangePresence() {
 771		return getPreferences().getBoolean(SettingsActivity.MANUALLY_CHANGE_PRESENCE, false);
 772	}
 773
 774	private boolean treatVibrateAsSilent() {
 775		return getPreferences().getBoolean(SettingsActivity.TREAT_VIBRATE_AS_SILENT, false);
 776	}
 777
 778	private boolean awayWhenScreenOff() {
 779		return getPreferences().getBoolean(SettingsActivity.AWAY_WHEN_SCREEN_IS_OFF, false);
 780	}
 781
 782	private String getCompressPicturesPreference() {
 783		return getPreferences().getString("picture_compression", "auto");
 784	}
 785
 786	private Presence.Status getTargetPresence() {
 787		if (xaOnSilentMode() && isPhoneSilenced()) {
 788			return Presence.Status.XA;
 789		} else if (awayWhenScreenOff() && !isInteractive()) {
 790			return Presence.Status.AWAY;
 791		} else {
 792			return Presence.Status.ONLINE;
 793		}
 794	}
 795
 796	@SuppressLint("NewApi")
 797	@SuppressWarnings("deprecation")
 798	public boolean isInteractive() {
 799		final PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 800
 801		final boolean isScreenOn;
 802		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
 803			isScreenOn = pm.isScreenOn();
 804		} else {
 805			isScreenOn = pm.isInteractive();
 806		}
 807		return isScreenOn;
 808	}
 809
 810	private boolean isPhoneSilenced() {
 811		AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
 812		try {
 813			if (treatVibrateAsSilent()) {
 814				return audioManager.getRingerMode() != AudioManager.RINGER_MODE_NORMAL;
 815			} else {
 816				return audioManager.getRingerMode() == AudioManager.RINGER_MODE_SILENT;
 817			}
 818		} catch (Throwable throwable) {
 819			Log.d(Config.LOGTAG,"platform bug in isPhoneSilenced ("+ throwable.getMessage()+")");
 820			return false;
 821		}
 822	}
 823
 824	private void resetAllAttemptCounts(boolean reallyAll, boolean retryImmediately) {
 825		Log.d(Config.LOGTAG, "resetting all attempt counts");
 826		for (Account account : accounts) {
 827			if (account.hasErrorStatus() || reallyAll) {
 828				final XmppConnection connection = account.getXmppConnection();
 829				if (connection != null) {
 830					connection.resetAttemptCount(retryImmediately);
 831				}
 832			}
 833			if (account.setShowErrorNotification(true)) {
 834				databaseBackend.updateAccount(account);
 835			}
 836		}
 837		mNotificationService.updateErrorNotification();
 838	}
 839
 840	private void dismissErrorNotifications() {
 841		for (final Account account : this.accounts) {
 842			if (account.hasErrorStatus()) {
 843				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": dismissing error notification");
 844				if (account.setShowErrorNotification(false)) {
 845					databaseBackend.updateAccount(account);
 846				}
 847			}
 848		}
 849	}
 850
 851	public boolean hasInternetConnection() {
 852		ConnectivityManager cm = (ConnectivityManager) getApplicationContext()
 853				.getSystemService(Context.CONNECTIVITY_SERVICE);
 854		NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
 855		return activeNetwork != null && activeNetwork.isConnected();
 856	}
 857
 858	@SuppressLint("TrulyRandom")
 859	@Override
 860	public void onCreate() {
 861		ExceptionHelper.init(getApplicationContext());
 862		PRNGFixes.apply();
 863		this.mRandom = new SecureRandom();
 864		updateMemorizingTrustmanager();
 865		final int maxMemory = (int) (Runtime.getRuntime().maxMemory() / 1024);
 866		final int cacheSize = maxMemory / 8;
 867		this.mBitmapCache = new LruCache<String, Bitmap>(cacheSize) {
 868			@Override
 869			protected int sizeOf(final String key, final Bitmap bitmap) {
 870				return bitmap.getByteCount() / 1024;
 871			}
 872		};
 873
 874		this.databaseBackend = DatabaseBackend.getInstance(getApplicationContext());
 875		this.accounts = databaseBackend.getAccounts();
 876
 877		if (Config.FREQUENT_RESTARTS_THRESHOLD != 0
 878				&& Config.FREQUENT_RESTARTS_DETECTION_WINDOW != 0
 879				&& !keepForegroundService()
 880				&& databaseBackend.startTimeCountExceedsThreshold()) {
 881			getPreferences().edit().putBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE,true).commit();
 882			Log.d(Config.LOGTAG,"number of restarts exceeds threshold. enabling foreground service");
 883		}
 884
 885		restoreFromDatabase();
 886
 887		getContentResolver().registerContentObserver(ContactsContract.Contacts.CONTENT_URI, true, contactObserver);
 888		new Thread(new Runnable() {
 889			@Override
 890			public void run() {
 891				fileObserver.startWatching();
 892			}
 893		}).start();
 894		if (Config.supportOpenPgp()) {
 895			this.pgpServiceConnection = new OpenPgpServiceConnection(getApplicationContext(), "org.sufficientlysecure.keychain", new OpenPgpServiceConnection.OnBound() {
 896				@Override
 897				public void onBound(IOpenPgpService2 service) {
 898					for (Account account : accounts) {
 899						final PgpDecryptionService pgp = account.getPgpDecryptionService();
 900						if(pgp != null) {
 901							pgp.continueDecryption(true);
 902						}
 903					}
 904				}
 905
 906				@Override
 907				public void onError(Exception e) {
 908				}
 909			});
 910			this.pgpServiceConnection.bindToService();
 911		}
 912
 913		this.pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
 914		this.wakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "XmppConnectionService");
 915
 916		toggleForegroundService();
 917		updateUnreadCountBadge();
 918		toggleScreenEventReceiver();
 919		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 920			scheduleNextIdlePing();
 921		}
 922		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 923			registerReceiver(this.mEventReceiver,new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION));
 924		}
 925	}
 926
 927	@Override
 928	public void onTrimMemory(int level) {
 929		super.onTrimMemory(level);
 930		if (level >= TRIM_MEMORY_COMPLETE) {
 931			Log.d(Config.LOGTAG, "clear cache due to low memory");
 932			getBitmapCache().evictAll();
 933		}
 934	}
 935
 936	@Override
 937	public void onDestroy() {
 938		try {
 939			unregisterReceiver(this.mEventReceiver);
 940		} catch (IllegalArgumentException e) {
 941			//ignored
 942		}
 943		fileObserver.stopWatching();
 944		super.onDestroy();
 945	}
 946
 947	public void toggleScreenEventReceiver() {
 948		if (awayWhenScreenOff() && !manuallyChangePresence()) {
 949			final IntentFilter filter = new IntentFilter(Intent.ACTION_SCREEN_ON);
 950			filter.addAction(Intent.ACTION_SCREEN_OFF);
 951			registerReceiver(this.mEventReceiver, filter);
 952		} else {
 953			try {
 954				unregisterReceiver(this.mEventReceiver);
 955			} catch (IllegalArgumentException e) {
 956				//ignored
 957			}
 958		}
 959	}
 960
 961	public void toggleForegroundService() {
 962		if (keepForegroundService()) {
 963			startForeground(NotificationService.FOREGROUND_NOTIFICATION_ID, this.mNotificationService.createForegroundNotification());
 964		} else {
 965			stopForeground(true);
 966		}
 967	}
 968
 969	private boolean keepForegroundService() {
 970		return getPreferences().getBoolean(SettingsActivity.KEEP_FOREGROUND_SERVICE,false);
 971	}
 972
 973	@Override
 974	public void onTaskRemoved(final Intent rootIntent) {
 975		super.onTaskRemoved(rootIntent);
 976		if (!keepForegroundService()) {
 977			this.logoutAndSave(false);
 978		} else {
 979			Log.d(Config.LOGTAG,"ignoring onTaskRemoved because foreground service is activated");
 980		}
 981	}
 982
 983	private void logoutAndSave(boolean stop) {
 984		int activeAccounts = 0;
 985		databaseBackend.clearStartTimeCounter(true); // regular swipes don't count towards restart counter
 986		for (final Account account : accounts) {
 987			if (account.getStatus() != Account.State.DISABLED) {
 988				activeAccounts++;
 989			}
 990			databaseBackend.writeRoster(account.getRoster());
 991			if (account.getXmppConnection() != null) {
 992				new Thread(new Runnable() {
 993					@Override
 994					public void run() {
 995						disconnect(account, false);
 996					}
 997				}).start();
 998			}
 999		}
1000		if (stop || activeAccounts == 0) {
1001			Log.d(Config.LOGTAG, "good bye");
1002			stopSelf();
1003		}
1004	}
1005
1006	public void scheduleWakeUpCall(int seconds, int requestCode) {
1007		final long timeToWake = SystemClock.elapsedRealtime() + (seconds < 0 ? 1 : seconds + 1) * 1000;
1008		AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1009		Intent intent = new Intent(this, EventReceiver.class);
1010		intent.setAction("ping");
1011		PendingIntent alarmIntent = PendingIntent.getBroadcast(this, requestCode, intent, 0);
1012		alarmManager.set(AlarmManager.ELAPSED_REALTIME_WAKEUP, timeToWake, alarmIntent);
1013	}
1014
1015	@TargetApi(Build.VERSION_CODES.M)
1016	private void scheduleNextIdlePing() {
1017		Log.d(Config.LOGTAG,"schedule next idle ping");
1018		AlarmManager alarmManager = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
1019		Intent intent = new Intent(this, EventReceiver.class);
1020		intent.setAction(ACTION_IDLE_PING);
1021		alarmManager.setAndAllowWhileIdle(AlarmManager.ELAPSED_REALTIME_WAKEUP,
1022				SystemClock.elapsedRealtime()+(Config.IDLE_PING_INTERVAL * 1000),
1023				PendingIntent.getBroadcast(this,0,intent,0)
1024				);
1025	}
1026
1027	public XmppConnection createConnection(final Account account) {
1028		final SharedPreferences sharedPref = getPreferences();
1029		String resource;
1030		try {
1031			resource = sharedPref.getString("resource", getString(R.string.default_resource)).toLowerCase(Locale.ENGLISH);
1032			if (resource.trim().isEmpty()) {
1033				throw new Exception();
1034			}
1035		} catch (Exception e) {
1036			resource = "conversations";
1037		}
1038		account.setResource(resource);
1039		final XmppConnection connection = new XmppConnection(account, this);
1040		connection.setOnMessagePacketReceivedListener(this.mMessageParser);
1041		connection.setOnStatusChangedListener(this.statusListener);
1042		connection.setOnPresencePacketReceivedListener(this.mPresenceParser);
1043		connection.setOnUnregisteredIqPacketReceivedListener(this.mIqParser);
1044		connection.setOnJinglePacketReceivedListener(this.jingleListener);
1045		connection.setOnBindListener(this.mOnBindListener);
1046		connection.setOnMessageAcknowledgeListener(this.mOnMessageAcknowledgedListener);
1047		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mMessageArchiveService);
1048		connection.addOnAdvancedStreamFeaturesAvailableListener(this.mAvatarService);
1049		AxolotlService axolotlService = account.getAxolotlService();
1050		if (axolotlService != null) {
1051			connection.addOnAdvancedStreamFeaturesAvailableListener(axolotlService);
1052		}
1053		return connection;
1054	}
1055
1056	public void sendChatState(Conversation conversation) {
1057		if (sendChatStates()) {
1058			MessagePacket packet = mMessageGenerator.generateChatState(conversation);
1059			sendMessagePacket(conversation.getAccount(), packet);
1060		}
1061	}
1062
1063	private void sendFileMessage(final Message message, final boolean delay) {
1064		Log.d(Config.LOGTAG, "send file message");
1065		final Account account = message.getConversation().getAccount();
1066		if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())) {
1067			mHttpConnectionManager.createNewUploadConnection(message, delay);
1068		} else {
1069			mJingleConnectionManager.createNewConnection(message);
1070		}
1071	}
1072
1073	public void sendMessage(final Message message) {
1074		sendMessage(message, false, false);
1075	}
1076
1077	private void sendMessage(final Message message, final boolean resend, final boolean delay) {
1078		final Account account = message.getConversation().getAccount();
1079		if (account.setShowErrorNotification(true)) {
1080			databaseBackend.updateAccount(account);
1081			mNotificationService.updateErrorNotification();
1082		}
1083		final Conversation conversation = message.getConversation();
1084		account.deactivateGracePeriod();
1085		MessagePacket packet = null;
1086		final boolean addToConversation = (conversation.getMode() != Conversation.MODE_MULTI
1087				|| account.getServerIdentity() != XmppConnection.Identity.SLACK)
1088				&& !message.edited();
1089		boolean saveInDb = addToConversation;
1090		message.setStatus(Message.STATUS_WAITING);
1091
1092		if (!resend && message.getEncryption() != Message.ENCRYPTION_OTR) {
1093			message.getConversation().endOtrIfNeeded();
1094			message.getConversation().findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR,
1095					new Conversation.OnMessageFound() {
1096						@Override
1097						public void onMessageFound(Message message) {
1098							markMessage(message, Message.STATUS_SEND_FAILED);
1099						}
1100					});
1101		}
1102
1103		if (account.isOnlineAndConnected()) {
1104			switch (message.getEncryption()) {
1105				case Message.ENCRYPTION_NONE:
1106					if (message.needsUploading()) {
1107						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1108								|| message.fixCounterpart()) {
1109							this.sendFileMessage(message, delay);
1110						} else {
1111							break;
1112						}
1113					} else {
1114						packet = mMessageGenerator.generateChat(message);
1115					}
1116					break;
1117				case Message.ENCRYPTION_PGP:
1118				case Message.ENCRYPTION_DECRYPTED:
1119					if (message.needsUploading()) {
1120						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1121								|| message.fixCounterpart()) {
1122							this.sendFileMessage(message, delay);
1123						} else {
1124							break;
1125						}
1126					} else {
1127						packet = mMessageGenerator.generatePgpChat(message);
1128					}
1129					break;
1130				case Message.ENCRYPTION_OTR:
1131					SessionImpl otrSession = conversation.getOtrSession();
1132					if (otrSession != null && otrSession.getSessionStatus() == SessionStatus.ENCRYPTED) {
1133						try {
1134							message.setCounterpart(Jid.fromSessionID(otrSession.getSessionID()));
1135						} catch (InvalidJidException e) {
1136							break;
1137						}
1138						if (message.needsUploading()) {
1139							mJingleConnectionManager.createNewConnection(message);
1140						} else {
1141							packet = mMessageGenerator.generateOtrChat(message);
1142						}
1143					} else if (otrSession == null) {
1144						if (message.fixCounterpart()) {
1145							conversation.startOtrSession(message.getCounterpart().getResourcepart(), true);
1146						} else {
1147							Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could not fix counterpart for OTR message to contact "+message.getContact().getJid());
1148							break;
1149						}
1150					} else {
1151						Log.d(Config.LOGTAG,account.getJid().toBareJid()+" OTR session with "+message.getContact()+" is in wrong state: "+otrSession.getSessionStatus().toString());
1152					}
1153					break;
1154				case Message.ENCRYPTION_AXOLOTL:
1155					message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1156					if (message.needsUploading()) {
1157						if (account.httpUploadAvailable(fileBackend.getFile(message,false).getSize())
1158								|| message.fixCounterpart()) {
1159							this.sendFileMessage(message, delay);
1160						} else {
1161							break;
1162						}
1163					} else {
1164						XmppAxolotlMessage axolotlMessage = account.getAxolotlService().fetchAxolotlMessageFromCache(message);
1165						if (axolotlMessage == null) {
1166							account.getAxolotlService().preparePayloadMessage(message, delay);
1167						} else {
1168							packet = mMessageGenerator.generateAxolotlChat(message, axolotlMessage);
1169						}
1170					}
1171					break;
1172
1173			}
1174			if (packet != null) {
1175				if (account.getXmppConnection().getFeatures().sm()
1176						|| (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1177					message.setStatus(Message.STATUS_UNSEND);
1178				} else {
1179					message.setStatus(Message.STATUS_SEND);
1180				}
1181			}
1182		} else {
1183			switch (message.getEncryption()) {
1184				case Message.ENCRYPTION_DECRYPTED:
1185					if (!message.needsUploading()) {
1186						String pgpBody = message.getEncryptedBody();
1187						String decryptedBody = message.getBody();
1188						message.setBody(pgpBody);
1189						message.setEncryption(Message.ENCRYPTION_PGP);
1190						if (message.edited()) {
1191							message.setBody(decryptedBody);
1192							message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1193							databaseBackend.updateMessage(message, message.getEditedId());
1194							updateConversationUi();
1195							return;
1196						} else {
1197							databaseBackend.createMessage(message);
1198							saveInDb = false;
1199							message.setBody(decryptedBody);
1200							message.setEncryption(Message.ENCRYPTION_DECRYPTED);
1201						}
1202					}
1203					break;
1204				case Message.ENCRYPTION_OTR:
1205					if (!conversation.hasValidOtrSession() && message.getCounterpart() != null) {
1206						Log.d(Config.LOGTAG,account.getJid().toBareJid()+": create otr session without starting for "+message.getContact().getJid());
1207						conversation.startOtrSession(message.getCounterpart().getResourcepart(), false);
1208					}
1209					break;
1210				case Message.ENCRYPTION_AXOLOTL:
1211					message.setFingerprint(account.getAxolotlService().getOwnFingerprint());
1212					break;
1213			}
1214		}
1215
1216		if (resend) {
1217			if (packet != null && addToConversation) {
1218				if (account.getXmppConnection().getFeatures().sm()
1219						|| (conversation.getMode() == Conversation.MODE_MULTI && message.getCounterpart().isBareJid())) {
1220					markMessage(message, Message.STATUS_UNSEND);
1221				} else {
1222					markMessage(message, Message.STATUS_SEND);
1223				}
1224			}
1225		} else {
1226			if (addToConversation) {
1227				conversation.add(message);
1228			}
1229			if (message.getEncryption() == Message.ENCRYPTION_NONE || saveEncryptedMessages()) {
1230				if (saveInDb) {
1231					databaseBackend.createMessage(message);
1232				} else if (message.edited()) {
1233					databaseBackend.updateMessage(message, message.getEditedId());
1234				}
1235			}
1236			updateConversationUi();
1237		}
1238		if (packet != null) {
1239			if (delay) {
1240				mMessageGenerator.addDelay(packet, message.getTimeSent());
1241			}
1242			if (conversation.setOutgoingChatState(Config.DEFAULT_CHATSTATE)) {
1243				if (this.sendChatStates()) {
1244					packet.addChild(ChatState.toElement(conversation.getOutgoingChatState()));
1245				}
1246			}
1247			sendMessagePacket(account, packet);
1248		}
1249	}
1250
1251	private void sendUnsentMessages(final Conversation conversation) {
1252		conversation.findWaitingMessages(new Conversation.OnMessageFound() {
1253
1254			@Override
1255			public void onMessageFound(Message message) {
1256				resendMessage(message, true);
1257			}
1258		});
1259	}
1260
1261	public void resendMessage(final Message message, final boolean delay) {
1262		sendMessage(message, true, delay);
1263	}
1264
1265	public void fetchRosterFromServer(final Account account) {
1266		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1267		if (!"".equals(account.getRosterVersion())) {
1268			Log.d(Config.LOGTAG, account.getJid().toBareJid()
1269					+ ": fetching roster version " + account.getRosterVersion());
1270		} else {
1271			Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": fetching roster");
1272		}
1273		iqPacket.query(Xmlns.ROSTER).setAttribute("ver", account.getRosterVersion());
1274		sendIqPacket(account, iqPacket, mIqParser);
1275	}
1276
1277	public void fetchBookmarks(final Account account) {
1278		final IqPacket iqPacket = new IqPacket(IqPacket.TYPE.GET);
1279		final Element query = iqPacket.query("jabber:iq:private");
1280		query.addChild("storage", "storage:bookmarks");
1281		final OnIqPacketReceived callback = new OnIqPacketReceived() {
1282
1283			@Override
1284			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1285				if (packet.getType() == IqPacket.TYPE.RESULT) {
1286					final Element query = packet.query();
1287					final HashMap<Jid, Bookmark> bookmarks = new HashMap<>();
1288					final Element storage = query.findChild("storage", "storage:bookmarks");
1289					final boolean autojoin = respectAutojoin();
1290					if (storage != null) {
1291						for (final Element item : storage.getChildren()) {
1292							if (item.getName().equals("conference")) {
1293								final Bookmark bookmark = Bookmark.parse(item, account);
1294								Bookmark old = bookmarks.put(bookmark.getJid(), bookmark);
1295								if (old != null && old.getBookmarkName() != null && bookmark.getBookmarkName() == null) {
1296									bookmark.setBookmarkName(old.getBookmarkName());
1297								}
1298								Conversation conversation = find(bookmark);
1299								if (conversation != null) {
1300									conversation.setBookmark(bookmark);
1301								} else if (bookmark.autojoin() && bookmark.getJid() != null && autojoin) {
1302									conversation = findOrCreateConversation(
1303											account, bookmark.getJid(), true);
1304									conversation.setBookmark(bookmark);
1305									joinMuc(conversation);
1306								}
1307							}
1308						}
1309					}
1310					account.setBookmarks(new ArrayList<>(bookmarks.values()));
1311				} else {
1312					Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not fetch bookmarks");
1313				}
1314			}
1315		};
1316		sendIqPacket(account, iqPacket, callback);
1317	}
1318
1319	public void pushBookmarks(Account account) {
1320		Log.d(Config.LOGTAG, account.getJid().toBareJid()+": pushing bookmarks");
1321		IqPacket iqPacket = new IqPacket(IqPacket.TYPE.SET);
1322		Element query = iqPacket.query("jabber:iq:private");
1323		Element storage = query.addChild("storage", "storage:bookmarks");
1324		for (Bookmark bookmark : account.getBookmarks()) {
1325			storage.addChild(bookmark);
1326		}
1327		sendIqPacket(account, iqPacket, mDefaultIqHandler);
1328	}
1329
1330	private void restoreFromDatabase() {
1331		synchronized (this.conversations) {
1332			final Map<String, Account> accountLookupTable = new Hashtable<>();
1333			for (Account account : this.accounts) {
1334				accountLookupTable.put(account.getUuid(), account);
1335			}
1336			this.conversations.addAll(databaseBackend.getConversations(Conversation.STATUS_AVAILABLE));
1337			for (Conversation conversation : this.conversations) {
1338				Account account = accountLookupTable.get(conversation.getAccountUuid());
1339				conversation.setAccount(account);
1340			}
1341			Runnable runnable = new Runnable() {
1342				@Override
1343				public void run() {
1344					Log.d(Config.LOGTAG, "restoring roster");
1345					for (Account account : accounts) {
1346						databaseBackend.readRoster(account.getRoster());
1347						account.initAccountServices(XmppConnectionService.this); //roster needs to be loaded at this stage
1348					}
1349					getBitmapCache().evictAll();
1350					loadPhoneContacts();
1351					Log.d(Config.LOGTAG, "restoring messages");
1352					for (Conversation conversation : conversations) {
1353						conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1354						checkDeletedFiles(conversation);
1355						conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
1356
1357							@Override
1358							public void onMessageFound(Message message) {
1359								markMessage(message, Message.STATUS_WAITING);
1360							}
1361						});
1362						conversation.findUnreadMessages(new Conversation.OnMessageFound() {
1363							@Override
1364							public void onMessageFound(Message message) {
1365								mNotificationService.pushFromBacklog(message);
1366							}
1367						});
1368					}
1369					mNotificationService.finishBacklog(false);
1370					mRestoredFromDatabase = true;
1371					Log.d(Config.LOGTAG, "restored all messages");
1372					updateConversationUi();
1373				}
1374			};
1375			mDatabaseExecutor.execute(runnable);
1376		}
1377	}
1378
1379	public void loadPhoneContacts() {
1380		mContactMergerExecutor.execute(new Runnable() {
1381			@Override
1382			public void run() {
1383				PhoneHelper.loadPhoneContacts(XmppConnectionService.this, new OnPhoneContactsLoadedListener() {
1384					@Override
1385					public void onPhoneContactsLoaded(List<Bundle> phoneContacts) {
1386						Log.d(Config.LOGTAG, "start merging phone contacts with roster");
1387						for (Account account : accounts) {
1388							List<Contact> withSystemAccounts = account.getRoster().getWithSystemAccounts();
1389							for (Bundle phoneContact : phoneContacts) {
1390								Jid jid;
1391								try {
1392									jid = Jid.fromString(phoneContact.getString("jid"));
1393								} catch (final InvalidJidException e) {
1394									continue;
1395								}
1396								final Contact contact = account.getRoster().getContact(jid);
1397								String systemAccount = phoneContact.getInt("phoneid")
1398										+ "#"
1399										+ phoneContact.getString("lookup");
1400								contact.setSystemAccount(systemAccount);
1401								if (contact.setPhotoUri(phoneContact.getString("photouri"))) {
1402									getAvatarService().clear(contact);
1403								}
1404								contact.setSystemName(phoneContact.getString("displayname"));
1405								withSystemAccounts.remove(contact);
1406							}
1407							for (Contact contact : withSystemAccounts) {
1408								contact.setSystemAccount(null);
1409								contact.setSystemName(null);
1410								if (contact.setPhotoUri(null)) {
1411									getAvatarService().clear(contact);
1412								}
1413							}
1414						}
1415						Log.d(Config.LOGTAG, "finished merging phone contacts");
1416						updateAccountUi();
1417					}
1418				});
1419			}
1420		});
1421	}
1422
1423	public List<Conversation> getConversations() {
1424		return this.conversations;
1425	}
1426
1427	private void checkDeletedFiles(Conversation conversation) {
1428		conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
1429
1430			@Override
1431			public void onMessageFound(Message message) {
1432				if (!getFileBackend().isFileAvailable(message)) {
1433					message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1434					final int s = message.getStatus();
1435					if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1436						markMessage(message, Message.STATUS_SEND_FAILED);
1437					}
1438				}
1439			}
1440		});
1441	}
1442
1443	private void markFileDeleted(final String path) {
1444		Log.d(Config.LOGTAG,"deleted file "+path);
1445		for (Conversation conversation : getConversations()) {
1446			conversation.findMessagesWithFiles(new Conversation.OnMessageFound() {
1447				@Override
1448				public void onMessageFound(Message message) {
1449					DownloadableFile file = fileBackend.getFile(message);
1450					if (file.getAbsolutePath().equals(path)) {
1451						if (!file.exists()) {
1452							message.setTransferable(new TransferablePlaceholder(Transferable.STATUS_DELETED));
1453							final int s = message.getStatus();
1454							if (s == Message.STATUS_WAITING || s == Message.STATUS_OFFERED || s == Message.STATUS_UNSEND) {
1455								markMessage(message, Message.STATUS_SEND_FAILED);
1456							} else {
1457								updateConversationUi();
1458							}
1459						} else {
1460							Log.d(Config.LOGTAG,"found matching message for file "+path+" but file still exists");
1461						}
1462					}
1463				}
1464			});
1465		}
1466	}
1467
1468	public void populateWithOrderedConversations(final List<Conversation> list) {
1469		populateWithOrderedConversations(list, true);
1470	}
1471
1472	public void populateWithOrderedConversations(final List<Conversation> list, boolean includeNoFileUpload) {
1473		list.clear();
1474		if (includeNoFileUpload) {
1475			list.addAll(getConversations());
1476		} else {
1477			for (Conversation conversation : getConversations()) {
1478				if (conversation.getMode() == Conversation.MODE_SINGLE
1479						|| conversation.getAccount().httpUploadAvailable()) {
1480					list.add(conversation);
1481				}
1482			}
1483		}
1484		try {
1485			Collections.sort(list);
1486		} catch (IllegalArgumentException e) {
1487			//ignore
1488		}
1489	}
1490
1491	public void loadMoreMessages(final Conversation conversation, final long timestamp, final OnMoreMessagesLoaded callback) {
1492		if (XmppConnectionService.this.getMessageArchiveService().queryInProgress(conversation, callback)) {
1493			return;
1494		} else if (timestamp == 0) {
1495			return;
1496		}
1497		Log.d(Config.LOGTAG, "load more messages for " + conversation.getName() + " prior to " + MessageGenerator.getTimestamp(timestamp));
1498		Runnable runnable = new Runnable() {
1499			@Override
1500			public void run() {
1501				final Account account = conversation.getAccount();
1502				List<Message> messages = databaseBackend.getMessages(conversation, 50, timestamp);
1503				if (messages.size() > 0) {
1504					conversation.addAll(0, messages);
1505					checkDeletedFiles(conversation);
1506					callback.onMoreMessagesLoaded(messages.size(), conversation);
1507				} else if (conversation.hasMessagesLeftOnServer()
1508						&& account.isOnlineAndConnected()
1509						&& conversation.getLastClearHistory() == 0) {
1510					if ((conversation.getMode() == Conversation.MODE_SINGLE && account.getXmppConnection().getFeatures().mam())
1511							|| (conversation.getMode() == Conversation.MODE_MULTI && conversation.getMucOptions().mamSupport())) {
1512						MessageArchiveService.Query query = getMessageArchiveService().query(conversation, 0, timestamp);
1513						if (query != null) {
1514							query.setCallback(callback);
1515						}
1516						callback.informUser(R.string.fetching_history_from_server);
1517					}
1518				}
1519			}
1520		};
1521		mDatabaseExecutor.execute(runnable);
1522	}
1523
1524	public List<Account> getAccounts() {
1525		return this.accounts;
1526	}
1527
1528	public List<Conversation> findAllConferencesWith(Contact contact) {
1529		ArrayList<Conversation> results = new ArrayList<>();
1530		for(Conversation conversation : conversations) {
1531			if (conversation.getMode() == Conversation.MODE_MULTI
1532					&& conversation.getMucOptions().isContactInRoom(contact)) {
1533				results.add(conversation);
1534			}
1535		}
1536		return results;
1537	}
1538
1539	public Conversation find(final Iterable<Conversation> haystack, final Contact contact) {
1540		for (final Conversation conversation : haystack) {
1541			if (conversation.getContact() == contact) {
1542				return conversation;
1543			}
1544		}
1545		return null;
1546	}
1547
1548	public Conversation find(final Iterable<Conversation> haystack, final Account account, final Jid jid) {
1549		if (jid == null) {
1550			return null;
1551		}
1552		for (final Conversation conversation : haystack) {
1553			if ((account == null || conversation.getAccount() == account)
1554					&& (conversation.getJid().toBareJid().equals(jid.toBareJid()))) {
1555				return conversation;
1556			}
1557		}
1558		return null;
1559	}
1560
1561	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc) {
1562		return this.findOrCreateConversation(account, jid, muc, null);
1563	}
1564
1565	public Conversation findOrCreateConversation(final Account account, final Jid jid, final boolean muc, final MessageArchiveService.Query query) {
1566		synchronized (this.conversations) {
1567			Conversation conversation = find(account, jid);
1568			if (conversation != null) {
1569				return conversation;
1570			}
1571			conversation = databaseBackend.findConversation(account, jid);
1572			if (conversation != null) {
1573				conversation.setStatus(Conversation.STATUS_AVAILABLE);
1574				conversation.setAccount(account);
1575				if (muc) {
1576					conversation.setMode(Conversation.MODE_MULTI);
1577					conversation.setContactJid(jid);
1578				} else {
1579					conversation.setMode(Conversation.MODE_SINGLE);
1580					conversation.setContactJid(jid.toBareJid());
1581				}
1582				conversation.addAll(0, databaseBackend.getMessages(conversation, Config.PAGE_SIZE));
1583				this.databaseBackend.updateConversation(conversation);
1584			} else {
1585				String conversationName;
1586				Contact contact = account.getRoster().getContact(jid);
1587				if (contact != null) {
1588					conversationName = contact.getDisplayName();
1589				} else {
1590					conversationName = jid.getLocalpart();
1591				}
1592				if (muc) {
1593					conversation = new Conversation(conversationName, account, jid,
1594							Conversation.MODE_MULTI);
1595				} else {
1596					conversation = new Conversation(conversationName, account, jid.toBareJid(),
1597							Conversation.MODE_SINGLE);
1598				}
1599				this.databaseBackend.createConversation(conversation);
1600			}
1601			if (account.getXmppConnection() != null
1602					&& account.getXmppConnection().getFeatures().mam()
1603					&& !muc) {
1604				if (query == null) {
1605					this.mMessageArchiveService.query(conversation);
1606				} else {
1607					if (query.getConversation() == null) {
1608						this.mMessageArchiveService.query(conversation, query.getStart());
1609					}
1610				}
1611			}
1612			checkDeletedFiles(conversation);
1613			this.conversations.add(conversation);
1614			updateConversationUi();
1615			return conversation;
1616		}
1617	}
1618
1619	public void archiveConversation(Conversation conversation) {
1620		getNotificationService().clear(conversation);
1621		conversation.setStatus(Conversation.STATUS_ARCHIVED);
1622		synchronized (this.conversations) {
1623			if (conversation.getMode() == Conversation.MODE_MULTI) {
1624				if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
1625					Bookmark bookmark = conversation.getBookmark();
1626					if (bookmark != null && bookmark.autojoin() && respectAutojoin()) {
1627						bookmark.setAutojoin(false);
1628						pushBookmarks(bookmark.getAccount());
1629					}
1630				}
1631				leaveMuc(conversation);
1632			} else {
1633				conversation.endOtrIfNeeded();
1634				if (conversation.getContact().getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)) {
1635					Log.d(Config.LOGTAG, "Canceling presence request from " + conversation.getJid().toString());
1636					sendPresencePacket(
1637							conversation.getAccount(),
1638							mPresenceGenerator.stopPresenceUpdatesTo(conversation.getContact())
1639					);
1640				}
1641			}
1642			updateConversation(conversation);
1643			this.conversations.remove(conversation);
1644			updateConversationUi();
1645		}
1646	}
1647
1648	public void createAccount(final Account account) {
1649		account.initAccountServices(this);
1650		databaseBackend.createAccount(account);
1651		this.accounts.add(account);
1652		this.reconnectAccountInBackground(account);
1653		updateAccountUi();
1654	}
1655
1656	public void createAccountFromKey(final String alias, final OnAccountCreated callback) {
1657		new Thread(new Runnable() {
1658			@Override
1659			public void run() {
1660				try {
1661					X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1662					Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1663					if (findAccountByJid(info.first) == null) {
1664						Account account = new Account(info.first, "");
1665						account.setPrivateKeyAlias(alias);
1666						account.setOption(Account.OPTION_DISABLED, true);
1667						account.setDisplayName(info.second);
1668						createAccount(account);
1669						callback.onAccountCreated(account);
1670						if (Config.X509_VERIFICATION) {
1671							try {
1672								getMemorizingTrustManager().getNonInteractive(account.getJid().getDomainpart()).checkClientTrusted(chain, "RSA");
1673							} catch (CertificateException e) {
1674								callback.informUser(R.string.certificate_chain_is_not_trusted);
1675							}
1676						}
1677					} else {
1678						callback.informUser(R.string.account_already_exists);
1679					}
1680				} catch (Exception e) {
1681					e.printStackTrace();
1682					callback.informUser(R.string.unable_to_parse_certificate);
1683				}
1684			}
1685		}).start();
1686
1687	}
1688
1689	public void updateKeyInAccount(final Account account, final String alias) {
1690		Log.d(Config.LOGTAG, "update key in account " + alias);
1691		try {
1692			X509Certificate[] chain = KeyChain.getCertificateChain(XmppConnectionService.this, alias);
1693			Pair<Jid, String> info = CryptoHelper.extractJidAndName(chain[0]);
1694			if (account.getJid().toBareJid().equals(info.first)) {
1695				account.setPrivateKeyAlias(alias);
1696				account.setDisplayName(info.second);
1697				databaseBackend.updateAccount(account);
1698				if (Config.X509_VERIFICATION) {
1699					try {
1700						getMemorizingTrustManager().getNonInteractive(account.getJid().getDomainpart()).checkClientTrusted(chain, "RSA");
1701					} catch (CertificateException e) {
1702						showErrorToastInUi(R.string.certificate_chain_is_not_trusted);
1703					}
1704					account.getAxolotlService().regenerateKeys(true);
1705				}
1706			} else {
1707				showErrorToastInUi(R.string.jid_does_not_match_certificate);
1708			}
1709		} catch (Exception e) {
1710			e.printStackTrace();
1711		}
1712	}
1713
1714	public boolean updateAccount(final Account account) {
1715		if (databaseBackend.updateAccount(account)) {
1716			account.setShowErrorNotification(true);
1717			this.statusListener.onStatusChanged(account);
1718			databaseBackend.updateAccount(account);
1719			reconnectAccountInBackground(account);
1720			updateAccountUi();
1721			getNotificationService().updateErrorNotification();
1722			return true;
1723		} else {
1724			return false;
1725		}
1726	}
1727
1728	public void updateAccountPasswordOnServer(final Account account, final String newPassword, final OnAccountPasswordChanged callback) {
1729		final IqPacket iq = getIqGenerator().generateSetPassword(account, newPassword);
1730		sendIqPacket(account, iq, new OnIqPacketReceived() {
1731			@Override
1732			public void onIqPacketReceived(final Account account, final IqPacket packet) {
1733				if (packet.getType() == IqPacket.TYPE.RESULT) {
1734					account.setPassword(newPassword);
1735					account.setOption(Account.OPTION_MAGIC_CREATE, false);
1736					databaseBackend.updateAccount(account);
1737					callback.onPasswordChangeSucceeded();
1738				} else {
1739					callback.onPasswordChangeFailed();
1740				}
1741			}
1742		});
1743	}
1744
1745	public void deleteAccount(final Account account) {
1746		synchronized (this.conversations) {
1747			for (final Conversation conversation : conversations) {
1748				if (conversation.getAccount() == account) {
1749					if (conversation.getMode() == Conversation.MODE_MULTI) {
1750						leaveMuc(conversation);
1751					} else if (conversation.getMode() == Conversation.MODE_SINGLE) {
1752						conversation.endOtrIfNeeded();
1753					}
1754					conversations.remove(conversation);
1755				}
1756			}
1757			if (account.getXmppConnection() != null) {
1758				new Thread(new Runnable() {
1759					@Override
1760					public void run() {
1761						disconnect(account, true);
1762					}
1763				}).start();
1764			}
1765			Runnable runnable = new Runnable() {
1766				@Override
1767				public void run() {
1768					if (!databaseBackend.deleteAccount(account)) {
1769						Log.d(Config.LOGTAG,account.getJid().toBareJid()+": unable to delete account");
1770					}
1771				}
1772			};
1773			mDatabaseExecutor.execute(runnable);
1774			this.accounts.remove(account);
1775			updateAccountUi();
1776			getNotificationService().updateErrorNotification();
1777		}
1778	}
1779
1780	public void setOnConversationListChangedListener(OnConversationUpdate listener) {
1781		synchronized (this) {
1782			this.mLastActivity = System.currentTimeMillis();
1783			if (checkListeners()) {
1784				switchToForeground();
1785			}
1786			this.mOnConversationUpdate = listener;
1787			this.mNotificationService.setIsInForeground(true);
1788			if (this.convChangedListenerCount < 2) {
1789				this.convChangedListenerCount++;
1790			}
1791		}
1792	}
1793
1794	public void removeOnConversationListChangedListener() {
1795		synchronized (this) {
1796			this.convChangedListenerCount--;
1797			if (this.convChangedListenerCount <= 0) {
1798				this.convChangedListenerCount = 0;
1799				this.mOnConversationUpdate = null;
1800				this.mNotificationService.setIsInForeground(false);
1801				if (checkListeners()) {
1802					switchToBackground();
1803				}
1804			}
1805		}
1806	}
1807
1808	public void setOnShowErrorToastListener(OnShowErrorToast onShowErrorToast) {
1809		synchronized (this) {
1810			if (checkListeners()) {
1811				switchToForeground();
1812			}
1813			this.mOnShowErrorToast = onShowErrorToast;
1814			if (this.showErrorToastListenerCount < 2) {
1815				this.showErrorToastListenerCount++;
1816			}
1817		}
1818		this.mOnShowErrorToast = onShowErrorToast;
1819	}
1820
1821	public void removeOnShowErrorToastListener() {
1822		synchronized (this) {
1823			this.showErrorToastListenerCount--;
1824			if (this.showErrorToastListenerCount <= 0) {
1825				this.showErrorToastListenerCount = 0;
1826				this.mOnShowErrorToast = null;
1827				if (checkListeners()) {
1828					switchToBackground();
1829				}
1830			}
1831		}
1832	}
1833
1834	public void setOnAccountListChangedListener(OnAccountUpdate listener) {
1835		synchronized (this) {
1836			if (checkListeners()) {
1837				switchToForeground();
1838			}
1839			this.mOnAccountUpdate = listener;
1840			if (this.accountChangedListenerCount < 2) {
1841				this.accountChangedListenerCount++;
1842			}
1843		}
1844	}
1845
1846	public void removeOnAccountListChangedListener() {
1847		synchronized (this) {
1848			this.accountChangedListenerCount--;
1849			if (this.accountChangedListenerCount <= 0) {
1850				this.mOnAccountUpdate = null;
1851				this.accountChangedListenerCount = 0;
1852				if (checkListeners()) {
1853					switchToBackground();
1854				}
1855			}
1856		}
1857	}
1858
1859	public void setOnCaptchaRequestedListener(OnCaptchaRequested listener) {
1860		synchronized (this) {
1861			if (checkListeners()) {
1862				switchToForeground();
1863			}
1864			this.mOnCaptchaRequested = listener;
1865			if (this.captchaRequestedListenerCount < 2) {
1866				this.captchaRequestedListenerCount++;
1867			}
1868		}
1869	}
1870
1871	public void removeOnCaptchaRequestedListener() {
1872		synchronized (this) {
1873			this.captchaRequestedListenerCount--;
1874			if (this.captchaRequestedListenerCount <= 0) {
1875				this.mOnCaptchaRequested = null;
1876				this.captchaRequestedListenerCount = 0;
1877				if (checkListeners()) {
1878					switchToBackground();
1879				}
1880			}
1881		}
1882	}
1883
1884	public void setOnRosterUpdateListener(final OnRosterUpdate listener) {
1885		synchronized (this) {
1886			if (checkListeners()) {
1887				switchToForeground();
1888			}
1889			this.mOnRosterUpdate = listener;
1890			if (this.rosterChangedListenerCount < 2) {
1891				this.rosterChangedListenerCount++;
1892			}
1893		}
1894	}
1895
1896	public void removeOnRosterUpdateListener() {
1897		synchronized (this) {
1898			this.rosterChangedListenerCount--;
1899			if (this.rosterChangedListenerCount <= 0) {
1900				this.rosterChangedListenerCount = 0;
1901				this.mOnRosterUpdate = null;
1902				if (checkListeners()) {
1903					switchToBackground();
1904				}
1905			}
1906		}
1907	}
1908
1909	public void setOnUpdateBlocklistListener(final OnUpdateBlocklist listener) {
1910		synchronized (this) {
1911			if (checkListeners()) {
1912				switchToForeground();
1913			}
1914			this.mOnUpdateBlocklist = listener;
1915			if (this.updateBlocklistListenerCount < 2) {
1916				this.updateBlocklistListenerCount++;
1917			}
1918		}
1919	}
1920
1921	public void removeOnUpdateBlocklistListener() {
1922		synchronized (this) {
1923			this.updateBlocklistListenerCount--;
1924			if (this.updateBlocklistListenerCount <= 0) {
1925				this.updateBlocklistListenerCount = 0;
1926				this.mOnUpdateBlocklist = null;
1927				if (checkListeners()) {
1928					switchToBackground();
1929				}
1930			}
1931		}
1932	}
1933
1934	public void setOnKeyStatusUpdatedListener(final OnKeyStatusUpdated listener) {
1935		synchronized (this) {
1936			if (checkListeners()) {
1937				switchToForeground();
1938			}
1939			this.mOnKeyStatusUpdated = listener;
1940			if (this.keyStatusUpdatedListenerCount < 2) {
1941				this.keyStatusUpdatedListenerCount++;
1942			}
1943		}
1944	}
1945
1946	public void removeOnNewKeysAvailableListener() {
1947		synchronized (this) {
1948			this.keyStatusUpdatedListenerCount--;
1949			if (this.keyStatusUpdatedListenerCount <= 0) {
1950				this.keyStatusUpdatedListenerCount = 0;
1951				this.mOnKeyStatusUpdated = null;
1952				if (checkListeners()) {
1953					switchToBackground();
1954				}
1955			}
1956		}
1957	}
1958
1959	public void setOnMucRosterUpdateListener(OnMucRosterUpdate listener) {
1960		synchronized (this) {
1961			if (checkListeners()) {
1962				switchToForeground();
1963			}
1964			this.mOnMucRosterUpdate = listener;
1965			if (this.mucRosterChangedListenerCount < 2) {
1966				this.mucRosterChangedListenerCount++;
1967			}
1968		}
1969	}
1970
1971	public void removeOnMucRosterUpdateListener() {
1972		synchronized (this) {
1973			this.mucRosterChangedListenerCount--;
1974			if (this.mucRosterChangedListenerCount <= 0) {
1975				this.mucRosterChangedListenerCount = 0;
1976				this.mOnMucRosterUpdate = null;
1977				if (checkListeners()) {
1978					switchToBackground();
1979				}
1980			}
1981		}
1982	}
1983
1984	public boolean checkListeners() {
1985		return (this.mOnAccountUpdate == null
1986				&& this.mOnConversationUpdate == null
1987				&& this.mOnRosterUpdate == null
1988				&& this.mOnCaptchaRequested == null
1989				&& this.mOnUpdateBlocklist == null
1990				&& this.mOnShowErrorToast == null
1991				&& this.mOnKeyStatusUpdated == null);
1992	}
1993
1994	private void switchToForeground() {
1995		final boolean broadcastLastActivity = broadcastLastActivity();
1996		for (Conversation conversation : getConversations()) {
1997			conversation.setIncomingChatState(ChatState.ACTIVE);
1998		}
1999		for (Account account : getAccounts()) {
2000			if (account.getStatus() == Account.State.ONLINE) {
2001				account.deactivateGracePeriod();
2002				final XmppConnection connection = account.getXmppConnection();
2003				if (connection != null ) {
2004					if (connection.getFeatures().csi()) {
2005						connection.sendActive();
2006					}
2007					if (broadcastLastActivity) {
2008						sendPresence(account, false); //send new presence but don't include idle because we are not
2009					}
2010				}
2011			}
2012		}
2013		Log.d(Config.LOGTAG, "app switched into foreground");
2014	}
2015
2016	private void switchToBackground() {
2017		final boolean broadcastLastActivity = broadcastLastActivity();
2018		for (Account account : getAccounts()) {
2019			if (account.getStatus() == Account.State.ONLINE) {
2020				XmppConnection connection = account.getXmppConnection();
2021				if (connection != null) {
2022					if (broadcastLastActivity) {
2023						sendPresence(account, broadcastLastActivity);
2024					}
2025					if (connection.getFeatures().csi()) {
2026						connection.sendInactive();
2027					}
2028				}
2029			}
2030		}
2031		this.mNotificationService.setIsInForeground(false);
2032		Log.d(Config.LOGTAG, "app switched into background");
2033	}
2034
2035	private void connectMultiModeConversations(Account account) {
2036		List<Conversation> conversations = getConversations();
2037		for (Conversation conversation : conversations) {
2038			if (conversation.getMode() == Conversation.MODE_MULTI && conversation.getAccount() == account) {
2039				joinMuc(conversation);
2040			}
2041		}
2042	}
2043
2044	public void joinMuc(Conversation conversation) {
2045		joinMuc(conversation, null);
2046	}
2047
2048	private void joinMuc(Conversation conversation, final OnConferenceJoined onConferenceJoined) {
2049		Account account = conversation.getAccount();
2050		account.pendingConferenceJoins.remove(conversation);
2051		account.pendingConferenceLeaves.remove(conversation);
2052		if (account.getStatus() == Account.State.ONLINE) {
2053			conversation.resetMucOptions();
2054			if (onConferenceJoined != null) {
2055				conversation.getMucOptions().flagNoAutoPushConfiguration();
2056			}
2057			conversation.setHasMessagesLeftOnServer(false);
2058			fetchConferenceConfiguration(conversation, new OnConferenceConfigurationFetched() {
2059
2060				private void join(Conversation conversation) {
2061					Account account = conversation.getAccount();
2062					final MucOptions mucOptions = conversation.getMucOptions();
2063					final Jid joinJid = mucOptions.getSelf().getFullJid();
2064					Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": joining conversation " + joinJid.toString());
2065					PresencePacket packet = mPresenceGenerator.selfPresence(account, Presence.Status.ONLINE, mucOptions.nonanonymous());
2066					packet.setTo(joinJid);
2067					Element x = packet.addChild("x", "http://jabber.org/protocol/muc");
2068					if (conversation.getMucOptions().getPassword() != null) {
2069						x.addChild("password").setContent(mucOptions.getPassword());
2070					}
2071
2072					if (mucOptions.mamSupport()) {
2073						// Use MAM instead of the limited muc history to get history
2074						x.addChild("history").setAttribute("maxchars", "0");
2075					} else {
2076						// Fallback to muc history
2077						x.addChild("history").setAttribute("since", PresenceGenerator.getTimestamp(conversation.getLastMessageTransmitted()));
2078					}
2079					sendPresencePacket(account, packet);
2080					if (onConferenceJoined != null) {
2081						onConferenceJoined.onConferenceJoined(conversation);
2082					}
2083					if (!joinJid.equals(conversation.getJid())) {
2084						conversation.setContactJid(joinJid);
2085						databaseBackend.updateConversation(conversation);
2086					}
2087
2088					if (mucOptions.mamSupport()) {
2089						getMessageArchiveService().catchupMUC(conversation);
2090					}
2091					if (mucOptions.membersOnly() && mucOptions.nonanonymous()) {
2092						fetchConferenceMembers(conversation);
2093					}
2094					sendUnsentMessages(conversation);
2095				}
2096
2097				@Override
2098				public void onConferenceConfigurationFetched(Conversation conversation) {
2099					join(conversation);
2100				}
2101
2102				@Override
2103				public void onFetchFailed(final Conversation conversation, Element error) {
2104					if (error != null && "remote-server-not-found".equals(error.getName())) {
2105						conversation.getMucOptions().setError(MucOptions.Error.SERVER_NOT_FOUND);
2106					} else {
2107						join(conversation);
2108						fetchConferenceConfiguration(conversation);
2109					}
2110				}
2111			});
2112			updateConversationUi();
2113		} else {
2114			account.pendingConferenceJoins.add(conversation);
2115			conversation.resetMucOptions();
2116			conversation.setHasMessagesLeftOnServer(false);
2117			updateConversationUi();
2118		}
2119	}
2120
2121	private void fetchConferenceMembers(final Conversation conversation) {
2122		final Account account = conversation.getAccount();
2123		final String[] affiliations = {"member","admin","owner"};
2124		OnIqPacketReceived callback = new OnIqPacketReceived() {
2125
2126			private int i = 0;
2127
2128			@Override
2129			public void onIqPacketReceived(Account account, IqPacket packet) {
2130
2131				Element query = packet.query("http://jabber.org/protocol/muc#admin");
2132				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2133					for(Element child : query.getChildren()) {
2134						if ("item".equals(child.getName())) {
2135							MucOptions.User user = AbstractParser.parseItem(conversation,child);
2136							if (!user.realJidMatchesAccount()) {
2137								conversation.getMucOptions().updateUser(user);
2138							}
2139						}
2140					}
2141				} else {
2142					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": could not request affiliation "+affiliations[i]+" in "+conversation.getJid().toBareJid());
2143				}
2144				++i;
2145				if (i >= affiliations.length) {
2146					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": retrieved members for "+conversation.getJid().toBareJid()+": "+conversation.getMucOptions().getMembers());
2147					getAvatarService().clear(conversation);
2148					updateMucRosterUi();
2149					updateConversationUi();
2150				}
2151			}
2152		};
2153		for(String affiliation : affiliations) {
2154			sendIqPacket(account, mIqGenerator.queryAffiliation(conversation, affiliation), callback);
2155		}
2156		Log.d(Config.LOGTAG,account.getJid().toBareJid()+": fetching members for "+conversation.getName());
2157	}
2158
2159	public void providePasswordForMuc(Conversation conversation, String password) {
2160		if (conversation.getMode() == Conversation.MODE_MULTI) {
2161			conversation.getMucOptions().setPassword(password);
2162			if (conversation.getBookmark() != null) {
2163				if (respectAutojoin()) {
2164					conversation.getBookmark().setAutojoin(true);
2165				}
2166				pushBookmarks(conversation.getAccount());
2167			}
2168			updateConversation(conversation);
2169			joinMuc(conversation);
2170		}
2171	}
2172
2173	public void renameInMuc(final Conversation conversation, final String nick, final UiCallback<Conversation> callback) {
2174		final MucOptions options = conversation.getMucOptions();
2175		final Jid joinJid = options.createJoinJid(nick);
2176		if (options.online()) {
2177			Account account = conversation.getAccount();
2178			options.setOnRenameListener(new OnRenameListener() {
2179
2180				@Override
2181				public void onSuccess() {
2182					conversation.setContactJid(joinJid);
2183					databaseBackend.updateConversation(conversation);
2184					Bookmark bookmark = conversation.getBookmark();
2185					if (bookmark != null) {
2186						bookmark.setNick(nick);
2187						pushBookmarks(bookmark.getAccount());
2188					}
2189					callback.success(conversation);
2190				}
2191
2192				@Override
2193				public void onFailure() {
2194					callback.error(R.string.nick_in_use, conversation);
2195				}
2196			});
2197
2198			PresencePacket packet = new PresencePacket();
2199			packet.setTo(joinJid);
2200			packet.setFrom(conversation.getAccount().getJid());
2201
2202			String sig = account.getPgpSignature();
2203			if (sig != null) {
2204				packet.addChild("status").setContent("online");
2205				packet.addChild("x", "jabber:x:signed").setContent(sig);
2206			}
2207			sendPresencePacket(account, packet);
2208		} else {
2209			conversation.setContactJid(joinJid);
2210			databaseBackend.updateConversation(conversation);
2211			if (conversation.getAccount().getStatus() == Account.State.ONLINE) {
2212				Bookmark bookmark = conversation.getBookmark();
2213				if (bookmark != null) {
2214					bookmark.setNick(nick);
2215					pushBookmarks(bookmark.getAccount());
2216				}
2217				joinMuc(conversation);
2218			}
2219		}
2220	}
2221
2222	public void leaveMuc(Conversation conversation) {
2223		leaveMuc(conversation, false);
2224	}
2225
2226	private void leaveMuc(Conversation conversation, boolean now) {
2227		Account account = conversation.getAccount();
2228		account.pendingConferenceJoins.remove(conversation);
2229		account.pendingConferenceLeaves.remove(conversation);
2230		if (account.getStatus() == Account.State.ONLINE || now) {
2231			PresencePacket packet = new PresencePacket();
2232			packet.setTo(conversation.getMucOptions().getSelf().getFullJid());
2233			packet.setFrom(conversation.getAccount().getJid());
2234			packet.setAttribute("type", "unavailable");
2235			sendPresencePacket(conversation.getAccount(), packet);
2236			conversation.getMucOptions().setOffline();
2237			conversation.deregisterWithBookmark();
2238			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid()
2239					+ ": leaving muc " + conversation.getJid());
2240		} else {
2241			account.pendingConferenceLeaves.add(conversation);
2242		}
2243	}
2244
2245	private String findConferenceServer(final Account account) {
2246		String server;
2247		if (account.getXmppConnection() != null) {
2248			server = account.getXmppConnection().getMucServer();
2249			if (server != null) {
2250				return server;
2251			}
2252		}
2253		for (Account other : getAccounts()) {
2254			if (other != account && other.getXmppConnection() != null) {
2255				server = other.getXmppConnection().getMucServer();
2256				if (server != null) {
2257					return server;
2258				}
2259			}
2260		}
2261		return null;
2262	}
2263
2264	public void createAdhocConference(final Account account,
2265									  final String subject,
2266									  final Iterable<Jid> jids,
2267									  final UiCallback<Conversation> callback) {
2268		Log.d(Config.LOGTAG, account.getJid().toBareJid().toString() + ": creating adhoc conference with " + jids.toString());
2269		if (account.getStatus() == Account.State.ONLINE) {
2270			try {
2271				String server = findConferenceServer(account);
2272				if (server == null) {
2273					if (callback != null) {
2274						callback.error(R.string.no_conference_server_found, null);
2275					}
2276					return;
2277				}
2278				final Jid jid = Jid.fromParts(new BigInteger(64, getRNG()).toString(Character.MAX_RADIX), server, null);
2279				final Conversation conversation = findOrCreateConversation(account, jid, true);
2280				joinMuc(conversation, new OnConferenceJoined() {
2281					@Override
2282					public void onConferenceJoined(final Conversation conversation) {
2283						pushConferenceConfiguration(conversation, IqGenerator.defaultRoomConfiguration(), new OnConferenceOptionsPushed() {
2284							@Override
2285							public void onPushSucceeded() {
2286								if (subject != null && !subject.trim().isEmpty()) {
2287									pushSubjectToConference(conversation, subject.trim());
2288								}
2289								for (Jid invite : jids) {
2290									invite(conversation, invite);
2291								}
2292								if (account.countPresences() > 1) {
2293									directInvite(conversation, account.getJid().toBareJid());
2294								}
2295								saveConversationAsBookmark(conversation, subject);
2296								if (callback != null) {
2297									callback.success(conversation);
2298								}
2299							}
2300
2301							@Override
2302							public void onPushFailed() {
2303								archiveConversation(conversation);
2304								if (callback != null) {
2305									callback.error(R.string.conference_creation_failed, conversation);
2306								}
2307							}
2308						});
2309					}
2310				});
2311			} catch (InvalidJidException e) {
2312				if (callback != null) {
2313					callback.error(R.string.conference_creation_failed, null);
2314				}
2315			}
2316		} else {
2317			if (callback != null) {
2318				callback.error(R.string.not_connected_try_again, null);
2319			}
2320		}
2321	}
2322
2323	public void fetchConferenceConfiguration(final Conversation conversation) {
2324		fetchConferenceConfiguration(conversation, null);
2325	}
2326
2327	public void fetchConferenceConfiguration(final Conversation conversation, final OnConferenceConfigurationFetched callback) {
2328		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2329		request.setTo(conversation.getJid().toBareJid());
2330		request.query("http://jabber.org/protocol/disco#info");
2331		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2332			@Override
2333			public void onIqPacketReceived(Account account, IqPacket packet) {
2334				Element query = packet.findChild("query","http://jabber.org/protocol/disco#info");
2335				if (packet.getType() == IqPacket.TYPE.RESULT && query != null) {
2336					ArrayList<String> features = new ArrayList<>();
2337					for (Element child : query.getChildren()) {
2338						if (child != null && child.getName().equals("feature")) {
2339							String var = child.getAttribute("var");
2340							if (var != null) {
2341								features.add(var);
2342							}
2343						}
2344					}
2345					Element form = query.findChild("x", "jabber:x:data");
2346					if (form != null) {
2347						conversation.getMucOptions().updateFormData(Data.parse(form));
2348					}
2349					conversation.getMucOptions().updateFeatures(features);
2350					if (callback != null) {
2351						callback.onConferenceConfigurationFetched(conversation);
2352					}
2353					Log.d(Config.LOGTAG,account.getJid().toBareJid()+": fetched muc configuration for "+conversation.getJid().toBareJid()+" - "+features.toString());
2354					updateConversationUi();
2355				} else if (packet.getType() == IqPacket.TYPE.ERROR) {
2356					if (callback != null) {
2357						callback.onFetchFailed(conversation, packet.getError());
2358					}
2359				}
2360			}
2361		});
2362	}
2363
2364	public void pushConferenceConfiguration(final Conversation conversation, final Bundle options, final OnConferenceOptionsPushed callback) {
2365		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
2366		request.setTo(conversation.getJid().toBareJid());
2367		request.query("http://jabber.org/protocol/muc#owner");
2368		sendIqPacket(conversation.getAccount(), request, new OnIqPacketReceived() {
2369			@Override
2370			public void onIqPacketReceived(Account account, IqPacket packet) {
2371				if (packet.getType() == IqPacket.TYPE.RESULT) {
2372					Data data = Data.parse(packet.query().findChild("x", "jabber:x:data"));
2373					for (Field field : data.getFields()) {
2374						if (options.containsKey(field.getFieldName())) {
2375							field.setValue(options.getString(field.getFieldName()));
2376						}
2377					}
2378					data.submit();
2379					IqPacket set = new IqPacket(IqPacket.TYPE.SET);
2380					set.setTo(conversation.getJid().toBareJid());
2381					set.query("http://jabber.org/protocol/muc#owner").addChild(data);
2382					sendIqPacket(account, set, new OnIqPacketReceived() {
2383						@Override
2384						public void onIqPacketReceived(Account account, IqPacket packet) {
2385							if (callback != null) {
2386								if (packet.getType() == IqPacket.TYPE.RESULT) {
2387									callback.onPushSucceeded();
2388								} else {
2389									callback.onPushFailed();
2390								}
2391							}
2392						}
2393					});
2394				} else {
2395					if (callback != null) {
2396						callback.onPushFailed();
2397					}
2398				}
2399			}
2400		});
2401	}
2402
2403	public void pushSubjectToConference(final Conversation conference, final String subject) {
2404		MessagePacket packet = this.getMessageGenerator().conferenceSubject(conference, subject);
2405		this.sendMessagePacket(conference.getAccount(), packet);
2406		final MucOptions mucOptions = conference.getMucOptions();
2407		final MucOptions.User self = mucOptions.getSelf();
2408		if (!mucOptions.persistent() && self.getAffiliation().ranks(MucOptions.Affiliation.OWNER)) {
2409			Bundle options = new Bundle();
2410			options.putString("muc#roomconfig_persistentroom", "1");
2411			this.pushConferenceConfiguration(conference, options, null);
2412		}
2413	}
2414
2415	public void changeAffiliationInConference(final Conversation conference, Jid user, final MucOptions.Affiliation affiliation, final OnAffiliationChanged callback) {
2416		final Jid jid = user.toBareJid();
2417		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jid, affiliation.toString());
2418		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2419			@Override
2420			public void onIqPacketReceived(Account account, IqPacket packet) {
2421				if (packet.getType() == IqPacket.TYPE.RESULT) {
2422					conference.getMucOptions().changeAffiliation(jid, affiliation);
2423					getAvatarService().clear(conference);
2424					callback.onAffiliationChangedSuccessful(jid);
2425				} else {
2426					callback.onAffiliationChangeFailed(jid, R.string.could_not_change_affiliation);
2427				}
2428			}
2429		});
2430	}
2431
2432	public void changeAffiliationsInConference(final Conversation conference, MucOptions.Affiliation before, MucOptions.Affiliation after) {
2433		List<Jid> jids = new ArrayList<>();
2434		for (MucOptions.User user : conference.getMucOptions().getUsers()) {
2435			if (user.getAffiliation() == before && user.getRealJid() != null) {
2436				jids.add(user.getRealJid());
2437			}
2438		}
2439		IqPacket request = this.mIqGenerator.changeAffiliation(conference, jids, after.toString());
2440		sendIqPacket(conference.getAccount(), request, mDefaultIqHandler);
2441	}
2442
2443	public void changeRoleInConference(final Conversation conference, final String nick, MucOptions.Role role, final OnRoleChanged callback) {
2444		IqPacket request = this.mIqGenerator.changeRole(conference, nick, role.toString());
2445		Log.d(Config.LOGTAG, request.toString());
2446		sendIqPacket(conference.getAccount(), request, new OnIqPacketReceived() {
2447			@Override
2448			public void onIqPacketReceived(Account account, IqPacket packet) {
2449				Log.d(Config.LOGTAG, packet.toString());
2450				if (packet.getType() == IqPacket.TYPE.RESULT) {
2451					callback.onRoleChangedSuccessful(nick);
2452				} else {
2453					callback.onRoleChangeFailed(nick, R.string.could_not_change_role);
2454				}
2455			}
2456		});
2457	}
2458
2459	private void disconnect(Account account, boolean force) {
2460		if ((account.getStatus() == Account.State.ONLINE)
2461				|| (account.getStatus() == Account.State.DISABLED)) {
2462			final XmppConnection connection = account.getXmppConnection();
2463			if (!force) {
2464				List<Conversation> conversations = getConversations();
2465				for (Conversation conversation : conversations) {
2466					if (conversation.getAccount() == account) {
2467						if (conversation.getMode() == Conversation.MODE_MULTI) {
2468							leaveMuc(conversation, true);
2469						} else {
2470							if (conversation.endOtrIfNeeded()) {
2471								Log.d(Config.LOGTAG, account.getJid().toBareJid()
2472										+ ": ended otr session with "
2473										+ conversation.getJid());
2474							}
2475						}
2476					}
2477				}
2478				sendOfflinePresence(account);
2479			}
2480			connection.disconnect(force);
2481		}
2482	}
2483
2484	@Override
2485	public IBinder onBind(Intent intent) {
2486		return mBinder;
2487	}
2488
2489	public void updateMessage(Message message) {
2490		databaseBackend.updateMessage(message);
2491		updateConversationUi();
2492	}
2493
2494	public void updateMessage(Message message, String uuid) {
2495		databaseBackend.updateMessage(message, uuid);
2496		updateConversationUi();
2497	}
2498
2499	protected void syncDirtyContacts(Account account) {
2500		for (Contact contact : account.getRoster().getContacts()) {
2501			if (contact.getOption(Contact.Options.DIRTY_PUSH)) {
2502				pushContactToServer(contact);
2503			}
2504			if (contact.getOption(Contact.Options.DIRTY_DELETE)) {
2505				deleteContactOnServer(contact);
2506			}
2507		}
2508	}
2509
2510	public void createContact(Contact contact) {
2511		boolean autoGrant = getPreferences().getBoolean("grant_new_contacts", true);
2512		if (autoGrant) {
2513			contact.setOption(Contact.Options.PREEMPTIVE_GRANT);
2514			contact.setOption(Contact.Options.ASKING);
2515		}
2516		pushContactToServer(contact);
2517	}
2518
2519	public void onOtrSessionEstablished(Conversation conversation) {
2520		final Account account = conversation.getAccount();
2521		final Session otrSession = conversation.getOtrSession();
2522		Log.d(Config.LOGTAG,
2523				account.getJid().toBareJid() + " otr session established with "
2524						+ conversation.getJid() + "/"
2525						+ otrSession.getSessionID().getUserID());
2526		conversation.findUnsentMessagesWithEncryption(Message.ENCRYPTION_OTR, new Conversation.OnMessageFound() {
2527
2528			@Override
2529			public void onMessageFound(Message message) {
2530				SessionID id = otrSession.getSessionID();
2531				try {
2532					message.setCounterpart(Jid.fromString(id.getAccountID() + "/" + id.getUserID()));
2533				} catch (InvalidJidException e) {
2534					return;
2535				}
2536				if (message.needsUploading()) {
2537					mJingleConnectionManager.createNewConnection(message);
2538				} else {
2539					MessagePacket outPacket = mMessageGenerator.generateOtrChat(message);
2540					if (outPacket != null) {
2541						mMessageGenerator.addDelay(outPacket, message.getTimeSent());
2542						message.setStatus(Message.STATUS_SEND);
2543						databaseBackend.updateMessage(message);
2544						sendMessagePacket(account, outPacket);
2545					}
2546				}
2547				updateConversationUi();
2548			}
2549		});
2550	}
2551
2552	public boolean renewSymmetricKey(Conversation conversation) {
2553		Account account = conversation.getAccount();
2554		byte[] symmetricKey = new byte[32];
2555		this.mRandom.nextBytes(symmetricKey);
2556		Session otrSession = conversation.getOtrSession();
2557		if (otrSession != null) {
2558			MessagePacket packet = new MessagePacket();
2559			packet.setType(MessagePacket.TYPE_CHAT);
2560			packet.setFrom(account.getJid());
2561			MessageGenerator.addMessageHints(packet);
2562			packet.setAttribute("to", otrSession.getSessionID().getAccountID() + "/"
2563					+ otrSession.getSessionID().getUserID());
2564			try {
2565				packet.setBody(otrSession
2566						.transformSending(CryptoHelper.FILETRANSFER
2567								+ CryptoHelper.bytesToHex(symmetricKey))[0]);
2568				sendMessagePacket(account, packet);
2569				conversation.setSymmetricKey(symmetricKey);
2570				return true;
2571			} catch (OtrException e) {
2572				return false;
2573			}
2574		}
2575		return false;
2576	}
2577
2578	public void pushContactToServer(final Contact contact) {
2579		contact.resetOption(Contact.Options.DIRTY_DELETE);
2580		contact.setOption(Contact.Options.DIRTY_PUSH);
2581		final Account account = contact.getAccount();
2582		if (account.getStatus() == Account.State.ONLINE) {
2583			final boolean ask = contact.getOption(Contact.Options.ASKING);
2584			final boolean sendUpdates = contact
2585					.getOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST)
2586					&& contact.getOption(Contact.Options.PREEMPTIVE_GRANT);
2587			final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2588			iq.query(Xmlns.ROSTER).addChild(contact.asElement());
2589			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2590			if (sendUpdates) {
2591				sendPresencePacket(account,
2592						mPresenceGenerator.sendPresenceUpdatesTo(contact));
2593			}
2594			if (ask) {
2595				sendPresencePacket(account,
2596						mPresenceGenerator.requestPresenceUpdatesFrom(contact));
2597			}
2598		}
2599	}
2600
2601	public void publishAvatar(Account account, Uri image, UiCallback<Avatar> callback) {
2602		final Bitmap.CompressFormat format = Config.AVATAR_FORMAT;
2603		final int size = Config.AVATAR_SIZE;
2604		final Avatar avatar = getFileBackend().getPepAvatar(image, size, format);
2605		if (avatar != null) {
2606			avatar.height = size;
2607			avatar.width = size;
2608			if (format.equals(Bitmap.CompressFormat.WEBP)) {
2609				avatar.type = "image/webp";
2610			} else if (format.equals(Bitmap.CompressFormat.JPEG)) {
2611				avatar.type = "image/jpeg";
2612			} else if (format.equals(Bitmap.CompressFormat.PNG)) {
2613				avatar.type = "image/png";
2614			}
2615			if (!getFileBackend().save(avatar)) {
2616				callback.error(R.string.error_saving_avatar, avatar);
2617				return;
2618			}
2619			publishAvatar(account, avatar, callback);
2620		} else {
2621			callback.error(R.string.error_publish_avatar_converting, null);
2622		}
2623	}
2624
2625	public void publishAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2626		final IqPacket packet = this.mIqGenerator.publishAvatar(avatar);
2627		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2628
2629			@Override
2630			public void onIqPacketReceived(Account account, IqPacket result) {
2631				if (result.getType() == IqPacket.TYPE.RESULT) {
2632					final IqPacket packet = XmppConnectionService.this.mIqGenerator
2633							.publishAvatarMetadata(avatar);
2634					sendIqPacket(account, packet, new OnIqPacketReceived() {
2635						@Override
2636						public void onIqPacketReceived(Account account, IqPacket result) {
2637							if (result.getType() == IqPacket.TYPE.RESULT) {
2638								if (account.setAvatar(avatar.getFilename())) {
2639									getAvatarService().clear(account);
2640									databaseBackend.updateAccount(account);
2641								}
2642								if (callback != null) {
2643									callback.success(avatar);
2644								} else {
2645									Log.d(Config.LOGTAG,account.getJid().toBareJid()+": published avatar");
2646								}
2647							} else {
2648								if (callback != null) {
2649									callback.error(
2650											R.string.error_publish_avatar_server_reject,
2651											avatar);
2652								}
2653							}
2654						}
2655					});
2656				} else {
2657					if (callback != null) {
2658						callback.error(
2659								R.string.error_publish_avatar_server_reject,
2660								avatar);
2661					}
2662				}
2663			}
2664		});
2665	}
2666
2667	public void republishAvatarIfNeeded(Account account) {
2668		if (account.getAxolotlService().isPepBroken()) {
2669			Log.d(Config.LOGTAG,account.getJid().toBareJid()+": skipping republication of avatar because pep is broken");
2670			return;
2671		}
2672		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2673		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2674
2675			private Avatar parseAvatar(IqPacket packet) {
2676				Element pubsub = packet.findChild("pubsub", "http://jabber.org/protocol/pubsub");
2677				if (pubsub != null) {
2678					Element items = pubsub.findChild("items");
2679					if (items != null) {
2680						return Avatar.parseMetadata(items);
2681					}
2682				}
2683				return null;
2684			}
2685
2686			private boolean errorIsItemNotFound(IqPacket packet) {
2687				Element error = packet.findChild("error");
2688				return packet.getType() == IqPacket.TYPE.ERROR
2689						&& error != null
2690						&& error.hasChild("item-not-found");
2691			}
2692
2693			@Override
2694			public void onIqPacketReceived(Account account, IqPacket packet) {
2695				if (packet.getType() == IqPacket.TYPE.RESULT || errorIsItemNotFound(packet)) {
2696					Avatar serverAvatar = parseAvatar(packet);
2697					if (serverAvatar == null && account.getAvatar() != null) {
2698						Avatar avatar = fileBackend.getStoredPepAvatar(account.getAvatar());
2699						if (avatar != null) {
2700							Log.d(Config.LOGTAG,account.getJid().toBareJid()+": avatar on server was null. republishing");
2701							publishAvatar(account, fileBackend.getStoredPepAvatar(account.getAvatar()), null);
2702						} else {
2703							Log.e(Config.LOGTAG, account.getJid().toBareJid()+": error rereading avatar");
2704						}
2705					}
2706				}
2707			}
2708		});
2709	}
2710
2711	public void fetchAvatar(Account account, Avatar avatar) {
2712		fetchAvatar(account, avatar, null);
2713	}
2714
2715	public void fetchAvatar(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2716		final String KEY = generateFetchKey(account, avatar);
2717		synchronized (this.mInProgressAvatarFetches) {
2718			if (!this.mInProgressAvatarFetches.contains(KEY)) {
2719				switch (avatar.origin) {
2720					case PEP:
2721						this.mInProgressAvatarFetches.add(KEY);
2722						fetchAvatarPep(account, avatar, callback);
2723						break;
2724					case VCARD:
2725						this.mInProgressAvatarFetches.add(KEY);
2726						fetchAvatarVcard(account, avatar, callback);
2727						break;
2728				}
2729			}
2730		}
2731	}
2732
2733	private void fetchAvatarPep(Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2734		IqPacket packet = this.mIqGenerator.retrievePepAvatar(avatar);
2735		sendIqPacket(account, packet, new OnIqPacketReceived() {
2736
2737			@Override
2738			public void onIqPacketReceived(Account account, IqPacket result) {
2739				synchronized (mInProgressAvatarFetches) {
2740					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2741				}
2742				final String ERROR = account.getJid().toBareJid()
2743						+ ": fetching avatar for " + avatar.owner + " failed ";
2744				if (result.getType() == IqPacket.TYPE.RESULT) {
2745					avatar.image = mIqParser.avatarData(result);
2746					if (avatar.image != null) {
2747						if (getFileBackend().save(avatar)) {
2748							if (account.getJid().toBareJid().equals(avatar.owner)) {
2749								if (account.setAvatar(avatar.getFilename())) {
2750									databaseBackend.updateAccount(account);
2751								}
2752								getAvatarService().clear(account);
2753								updateConversationUi();
2754								updateAccountUi();
2755							} else {
2756								Contact contact = account.getRoster()
2757										.getContact(avatar.owner);
2758								contact.setAvatar(avatar);
2759								getAvatarService().clear(contact);
2760								updateConversationUi();
2761								updateRosterUi();
2762							}
2763							if (callback != null) {
2764								callback.success(avatar);
2765							}
2766							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2767									+ ": successfully fetched pep avatar for " + avatar.owner);
2768							return;
2769						}
2770					} else {
2771
2772						Log.d(Config.LOGTAG, ERROR + "(parsing error)");
2773					}
2774				} else {
2775					Element error = result.findChild("error");
2776					if (error == null) {
2777						Log.d(Config.LOGTAG, ERROR + "(server error)");
2778					} else {
2779						Log.d(Config.LOGTAG, ERROR + error.toString());
2780					}
2781				}
2782				if (callback != null) {
2783					callback.error(0, null);
2784				}
2785
2786			}
2787		});
2788	}
2789
2790	private void fetchAvatarVcard(final Account account, final Avatar avatar, final UiCallback<Avatar> callback) {
2791		IqPacket packet = this.mIqGenerator.retrieveVcardAvatar(avatar);
2792		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2793			@Override
2794			public void onIqPacketReceived(Account account, IqPacket packet) {
2795				synchronized (mInProgressAvatarFetches) {
2796					mInProgressAvatarFetches.remove(generateFetchKey(account, avatar));
2797				}
2798				if (packet.getType() == IqPacket.TYPE.RESULT) {
2799					Element vCard = packet.findChild("vCard", "vcard-temp");
2800					Element photo = vCard != null ? vCard.findChild("PHOTO") : null;
2801					String image = photo != null ? photo.findChildContent("BINVAL") : null;
2802					if (image != null) {
2803						avatar.image = image;
2804						if (getFileBackend().save(avatar)) {
2805							Log.d(Config.LOGTAG, account.getJid().toBareJid()
2806									+ ": successfully fetched vCard avatar for " + avatar.owner);
2807							if (avatar.owner.isBareJid()) {
2808								if (account.getJid().toBareJid().equals(avatar.owner) && account.getAvatar() == null) {
2809									Log.d(Config.LOGTAG,account.getJid().toBareJid()+": had no avatar. replacing with vcard");
2810									account.setAvatar(avatar.getFilename());
2811									databaseBackend.updateAccount(account);
2812									getAvatarService().clear(account);
2813									updateAccountUi();
2814								} else {
2815									Contact contact = account.getRoster().getContact(avatar.owner);
2816									contact.setAvatar(avatar);
2817									getAvatarService().clear(contact);
2818									updateRosterUi();
2819								}
2820								updateConversationUi();
2821							} else {
2822								Conversation conversation = find(account, avatar.owner.toBareJid());
2823								if (conversation != null && conversation.getMode() == Conversation.MODE_MULTI) {
2824									MucOptions.User user = conversation.getMucOptions().findUserByFullJid(avatar.owner);
2825									if (user != null) {
2826										if (user.setAvatar(avatar)) {
2827											getAvatarService().clear(user);
2828											updateConversationUi();
2829											updateMucRosterUi();
2830										}
2831									}
2832								}
2833							}
2834						}
2835					}
2836				}
2837			}
2838		});
2839	}
2840
2841	public void checkForAvatar(Account account, final UiCallback<Avatar> callback) {
2842		IqPacket packet = this.mIqGenerator.retrieveAvatarMetaData(null);
2843		this.sendIqPacket(account, packet, new OnIqPacketReceived() {
2844
2845			@Override
2846			public void onIqPacketReceived(Account account, IqPacket packet) {
2847				if (packet.getType() == IqPacket.TYPE.RESULT) {
2848					Element pubsub = packet.findChild("pubsub","http://jabber.org/protocol/pubsub");
2849					if (pubsub != null) {
2850						Element items = pubsub.findChild("items");
2851						if (items != null) {
2852							Avatar avatar = Avatar.parseMetadata(items);
2853							if (avatar != null) {
2854								avatar.owner = account.getJid().toBareJid();
2855								if (fileBackend.isAvatarCached(avatar)) {
2856									if (account.setAvatar(avatar.getFilename())) {
2857										databaseBackend.updateAccount(account);
2858									}
2859									getAvatarService().clear(account);
2860									callback.success(avatar);
2861								} else {
2862									fetchAvatarPep(account, avatar, callback);
2863								}
2864								return;
2865							}
2866						}
2867					}
2868				}
2869				callback.error(0, null);
2870			}
2871		});
2872	}
2873
2874	public void deleteContactOnServer(Contact contact) {
2875		contact.resetOption(Contact.Options.PREEMPTIVE_GRANT);
2876		contact.resetOption(Contact.Options.DIRTY_PUSH);
2877		contact.setOption(Contact.Options.DIRTY_DELETE);
2878		Account account = contact.getAccount();
2879		if (account.getStatus() == Account.State.ONLINE) {
2880			IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
2881			Element item = iq.query(Xmlns.ROSTER).addChild("item");
2882			item.setAttribute("jid", contact.getJid().toString());
2883			item.setAttribute("subscription", "remove");
2884			account.getXmppConnection().sendIqPacket(iq, mDefaultIqHandler);
2885		}
2886	}
2887
2888	public void updateConversation(final Conversation conversation) {
2889		mDatabaseExecutor.execute(new Runnable() {
2890			@Override
2891			public void run() {
2892				databaseBackend.updateConversation(conversation);
2893			}
2894		});
2895	}
2896
2897	private void reconnectAccount(final Account account, final boolean force, final boolean interactive) {
2898		synchronized (account) {
2899			XmppConnection connection = account.getXmppConnection();
2900			if (connection == null) {
2901				connection = createConnection(account);
2902				account.setXmppConnection(connection);
2903			}
2904			boolean hasInternet = hasInternetConnection();
2905			if (!account.isOptionSet(Account.OPTION_DISABLED) && hasInternet) {
2906				if (!force) {
2907					disconnect(account, false);
2908				}
2909				Thread thread = new Thread(connection);
2910				connection.setInteractive(interactive);
2911				connection.prepareNewConnection();
2912				connection.interrupt();
2913				thread.start();
2914				scheduleWakeUpCall(Config.CONNECT_DISCO_TIMEOUT, account.getUuid().hashCode());
2915			} else {
2916				disconnect(account, force || account.getTrueStatus().isError() || !hasInternet);
2917				account.getRoster().clearPresences();
2918				connection.resetEverything();
2919				account.getAxolotlService().resetBrokenness();
2920				if (!hasInternet) {
2921					account.setStatus(Account.State.NO_INTERNET);
2922				}
2923			}
2924		}
2925	}
2926
2927	public void reconnectAccountInBackground(final Account account) {
2928		new Thread(new Runnable() {
2929			@Override
2930			public void run() {
2931				reconnectAccount(account, false, true);
2932			}
2933		}).start();
2934	}
2935
2936	public void invite(Conversation conversation, Jid contact) {
2937		Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": inviting " + contact + " to " + conversation.getJid().toBareJid());
2938		MessagePacket packet = mMessageGenerator.invite(conversation, contact);
2939		sendMessagePacket(conversation.getAccount(), packet);
2940	}
2941
2942	public void directInvite(Conversation conversation, Jid jid) {
2943		MessagePacket packet = mMessageGenerator.directInvite(conversation, jid);
2944		sendMessagePacket(conversation.getAccount(), packet);
2945	}
2946
2947	public void resetSendingToWaiting(Account account) {
2948		for (Conversation conversation : getConversations()) {
2949			if (conversation.getAccount() == account) {
2950				conversation.findUnsentTextMessages(new Conversation.OnMessageFound() {
2951
2952					@Override
2953					public void onMessageFound(Message message) {
2954						markMessage(message, Message.STATUS_WAITING);
2955					}
2956				});
2957			}
2958		}
2959	}
2960
2961	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status) {
2962		return markMessage(account, recipient, uuid, status, null);
2963	}
2964
2965	public Message markMessage(final Account account, final Jid recipient, final String uuid, final int status, String errorMessage) {
2966		if (uuid == null) {
2967			return null;
2968		}
2969		for (Conversation conversation : getConversations()) {
2970			if (conversation.getJid().toBareJid().equals(recipient) && conversation.getAccount() == account) {
2971				final Message message = conversation.findSentMessageWithUuidOrRemoteId(uuid);
2972				if (message != null) {
2973					markMessage(message, status, errorMessage);
2974				}
2975				return message;
2976			}
2977		}
2978		return null;
2979	}
2980
2981	public boolean markMessage(Conversation conversation, String uuid, int status) {
2982		if (uuid == null) {
2983			return false;
2984		} else {
2985			Message message = conversation.findSentMessageWithUuid(uuid);
2986			if (message != null) {
2987				markMessage(message, status);
2988				return true;
2989			} else {
2990				return false;
2991			}
2992		}
2993	}
2994
2995	public void markMessage(Message message, int status) {
2996		markMessage(message, status, null);
2997	}
2998
2999
3000	public void markMessage(Message message, int status, String errorMessage) {
3001		if (status == Message.STATUS_SEND_FAILED
3002				&& (message.getStatus() == Message.STATUS_SEND_RECEIVED || message
3003				.getStatus() == Message.STATUS_SEND_DISPLAYED)) {
3004			return;
3005		}
3006		message.setErrorMessage(errorMessage);
3007		message.setStatus(status);
3008		databaseBackend.updateMessage(message);
3009		updateConversationUi();
3010	}
3011
3012	public SharedPreferences getPreferences() {
3013		return PreferenceManager
3014				.getDefaultSharedPreferences(getApplicationContext());
3015	}
3016
3017	public boolean confirmMessages() {
3018		return getPreferences().getBoolean("confirm_messages", true);
3019	}
3020
3021	public boolean allowMessageCorrection() {
3022		return getPreferences().getBoolean("allow_message_correction", true);
3023	}
3024
3025	public boolean sendChatStates() {
3026		return getPreferences().getBoolean("chat_states", false);
3027	}
3028
3029	public boolean saveEncryptedMessages() {
3030		return !getPreferences().getBoolean("dont_save_encrypted", false);
3031	}
3032
3033	private boolean respectAutojoin() {
3034		return getPreferences().getBoolean("autojoin", true);
3035	}
3036
3037	public boolean indicateReceived() {
3038		return getPreferences().getBoolean("indicate_received", false);
3039	}
3040
3041	public boolean useTorToConnect() {
3042		return Config.FORCE_ORBOT || getPreferences().getBoolean("use_tor", false);
3043	}
3044
3045	public boolean showExtendedConnectionOptions() {
3046		return getPreferences().getBoolean("show_connection_options", false);
3047	}
3048
3049	public boolean broadcastLastActivity() {
3050		return getPreferences().getBoolean("last_activity", false);
3051	}
3052
3053	public int unreadCount() {
3054		int count = 0;
3055		for (Conversation conversation : getConversations()) {
3056			count += conversation.unreadCount();
3057		}
3058		return count;
3059	}
3060
3061
3062	public void showErrorToastInUi(int resId) {
3063		if (mOnShowErrorToast != null) {
3064			mOnShowErrorToast.onShowErrorToast(resId);
3065		}
3066	}
3067
3068	public void updateConversationUi() {
3069		if (mOnConversationUpdate != null) {
3070			mOnConversationUpdate.onConversationUpdate();
3071		}
3072	}
3073
3074	public void updateAccountUi() {
3075		if (mOnAccountUpdate != null) {
3076			mOnAccountUpdate.onAccountUpdate();
3077		}
3078	}
3079
3080	public void updateRosterUi() {
3081		if (mOnRosterUpdate != null) {
3082			mOnRosterUpdate.onRosterUpdate();
3083		}
3084	}
3085
3086	public boolean displayCaptchaRequest(Account account, String id, Data data, Bitmap captcha) {
3087		if (mOnCaptchaRequested != null) {
3088			DisplayMetrics metrics = getApplicationContext().getResources().getDisplayMetrics();
3089			Bitmap scaled = Bitmap.createScaledBitmap(captcha, (int) (captcha.getWidth() * metrics.scaledDensity),
3090					(int) (captcha.getHeight() * metrics.scaledDensity), false);
3091
3092			mOnCaptchaRequested.onCaptchaRequested(account, id, data, scaled);
3093			return true;
3094		}
3095		return false;
3096	}
3097
3098	public void updateBlocklistUi(final OnUpdateBlocklist.Status status) {
3099		if (mOnUpdateBlocklist != null) {
3100			mOnUpdateBlocklist.OnUpdateBlocklist(status);
3101		}
3102	}
3103
3104	public void updateMucRosterUi() {
3105		if (mOnMucRosterUpdate != null) {
3106			mOnMucRosterUpdate.onMucRosterUpdate();
3107		}
3108	}
3109
3110	public void keyStatusUpdated(AxolotlService.FetchStatus report) {
3111		if (mOnKeyStatusUpdated != null) {
3112			mOnKeyStatusUpdated.onKeyStatusUpdated(report);
3113		}
3114	}
3115
3116	public Account findAccountByJid(final Jid accountJid) {
3117		for (Account account : this.accounts) {
3118			if (account.getJid().toBareJid().equals(accountJid.toBareJid())) {
3119				return account;
3120			}
3121		}
3122		return null;
3123	}
3124
3125	public Conversation findConversationByUuid(String uuid) {
3126		for (Conversation conversation : getConversations()) {
3127			if (conversation.getUuid().equals(uuid)) {
3128				return conversation;
3129			}
3130		}
3131		return null;
3132	}
3133
3134	public boolean markRead(final Conversation conversation) {
3135		return markRead(conversation,true);
3136	}
3137
3138	public boolean markRead(final Conversation conversation, boolean clear) {
3139		if (clear) {
3140			mNotificationService.clear(conversation);
3141		}
3142		final List<Message> readMessages = conversation.markRead();
3143		if (readMessages.size() > 0) {
3144			Runnable runnable = new Runnable() {
3145				@Override
3146				public void run() {
3147					for (Message message : readMessages) {
3148						databaseBackend.updateMessage(message);
3149					}
3150				}
3151			};
3152			mDatabaseExecutor.execute(runnable);
3153			updateUnreadCountBadge();
3154			return true;
3155		} else {
3156			return false;
3157		}
3158	}
3159
3160	public synchronized void updateUnreadCountBadge() {
3161		int count = unreadCount();
3162		if (unreadCount != count) {
3163			Log.d(Config.LOGTAG, "update unread count to " + count);
3164			if (count > 0) {
3165				ShortcutBadger.applyCount(getApplicationContext(), count);
3166			} else {
3167				ShortcutBadger.removeCount(getApplicationContext());
3168			}
3169			unreadCount = count;
3170		}
3171	}
3172
3173	public void sendReadMarker(final Conversation conversation) {
3174		final Message markable = conversation.getLatestMarkableMessage();
3175		if (this.markRead(conversation)) {
3176			updateConversationUi();
3177		}
3178		if (confirmMessages()
3179				&& markable != null
3180				&& markable.trusted()
3181				&& markable.getRemoteMsgId() != null) {
3182			Log.d(Config.LOGTAG, conversation.getAccount().getJid().toBareJid() + ": sending read marker to " + markable.getCounterpart().toString());
3183			Account account = conversation.getAccount();
3184			final Jid to = markable.getCounterpart();
3185			MessagePacket packet = mMessageGenerator.confirm(account, to, markable.getRemoteMsgId());
3186			this.sendMessagePacket(conversation.getAccount(), packet);
3187		}
3188	}
3189
3190	public SecureRandom getRNG() {
3191		return this.mRandom;
3192	}
3193
3194	public MemorizingTrustManager getMemorizingTrustManager() {
3195		return this.mMemorizingTrustManager;
3196	}
3197
3198	public void setMemorizingTrustManager(MemorizingTrustManager trustManager) {
3199		this.mMemorizingTrustManager = trustManager;
3200	}
3201
3202	public void updateMemorizingTrustmanager() {
3203		final MemorizingTrustManager tm;
3204		final boolean dontTrustSystemCAs = getPreferences().getBoolean("dont_trust_system_cas", false);
3205		if (dontTrustSystemCAs) {
3206			tm = new MemorizingTrustManager(getApplicationContext(), null);
3207		} else {
3208			tm = new MemorizingTrustManager(getApplicationContext());
3209		}
3210		setMemorizingTrustManager(tm);
3211	}
3212
3213	public PowerManager getPowerManager() {
3214		return this.pm;
3215	}
3216
3217	public LruCache<String, Bitmap> getBitmapCache() {
3218		return this.mBitmapCache;
3219	}
3220
3221	public void syncRosterToDisk(final Account account) {
3222		Runnable runnable = new Runnable() {
3223
3224			@Override
3225			public void run() {
3226				databaseBackend.writeRoster(account.getRoster());
3227			}
3228		};
3229		mDatabaseExecutor.execute(runnable);
3230
3231	}
3232
3233	public List<String> getKnownHosts() {
3234		final List<String> hosts = new ArrayList<>();
3235		for (final Account account : getAccounts()) {
3236			if (!hosts.contains(account.getServer().toString())) {
3237				hosts.add(account.getServer().toString());
3238			}
3239			for (final Contact contact : account.getRoster().getContacts()) {
3240				if (contact.showInRoster()) {
3241					final String server = contact.getServer().toString();
3242					if (server != null && !hosts.contains(server)) {
3243						hosts.add(server);
3244					}
3245				}
3246			}
3247		}
3248		if(Config.DOMAIN_LOCK != null && !hosts.contains(Config.DOMAIN_LOCK)) {
3249			hosts.add(Config.DOMAIN_LOCK);
3250		}
3251		if(Config.MAGIC_CREATE_DOMAIN != null && !hosts.contains(Config.MAGIC_CREATE_DOMAIN)) {
3252			hosts.add(Config.MAGIC_CREATE_DOMAIN);
3253		}
3254		return hosts;
3255	}
3256
3257	public List<String> getKnownConferenceHosts() {
3258		final ArrayList<String> mucServers = new ArrayList<>();
3259		for (final Account account : accounts) {
3260			if (account.getXmppConnection() != null) {
3261				final String server = account.getXmppConnection().getMucServer();
3262				if (server != null && !mucServers.contains(server)) {
3263					mucServers.add(server);
3264				}
3265			}
3266		}
3267		return mucServers;
3268	}
3269
3270	public void sendMessagePacket(Account account, MessagePacket packet) {
3271		XmppConnection connection = account.getXmppConnection();
3272		if (connection != null) {
3273			connection.sendMessagePacket(packet);
3274		}
3275	}
3276
3277	public void sendPresencePacket(Account account, PresencePacket packet) {
3278		XmppConnection connection = account.getXmppConnection();
3279		if (connection != null) {
3280			connection.sendPresencePacket(packet);
3281		}
3282	}
3283
3284	public void sendCreateAccountWithCaptchaPacket(Account account, String id, Data data) {
3285		final XmppConnection connection = account.getXmppConnection();
3286		if (connection != null) {
3287			IqPacket request = mIqGenerator.generateCreateAccountWithCaptcha(account, id, data);
3288			connection.sendUnmodifiedIqPacket(request, connection.registrationResponseListener);
3289		}
3290	}
3291
3292	public void sendIqPacket(final Account account, final IqPacket packet, final OnIqPacketReceived callback) {
3293		final XmppConnection connection = account.getXmppConnection();
3294		if (connection != null) {
3295			connection.sendIqPacket(packet, callback);
3296		}
3297	}
3298
3299	public void sendPresence(final Account account) {
3300		sendPresence(account, checkListeners() && broadcastLastActivity());
3301	}
3302
3303	private void sendPresence(final Account account, final boolean includeIdleTimestamp) {
3304		PresencePacket packet;
3305		if (manuallyChangePresence()) {
3306			packet =  mPresenceGenerator.selfPresence(account, account.getPresenceStatus());
3307			String message = account.getPresenceStatusMessage();
3308			if (message != null && !message.isEmpty()) {
3309				packet.addChild(new Element("status").setContent(message));
3310			}
3311		} else {
3312			packet = mPresenceGenerator.selfPresence(account, getTargetPresence());
3313		}
3314		if (mLastActivity > 0 && includeIdleTimestamp) {
3315			long since = Math.min(mLastActivity, System.currentTimeMillis()); //don't send future dates
3316			packet.addChild("idle","urn:xmpp:idle:1").setAttribute("since", AbstractGenerator.getTimestamp(since));
3317		}
3318		sendPresencePacket(account, packet);
3319	}
3320
3321	private void deactivateGracePeriod() {
3322		for(Account account : getAccounts()) {
3323			account.deactivateGracePeriod();
3324		}
3325	}
3326
3327	public void refreshAllPresences() {
3328		boolean includeIdleTimestamp = checkListeners() && broadcastLastActivity();
3329		for (Account account : getAccounts()) {
3330			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
3331				sendPresence(account, includeIdleTimestamp);
3332			}
3333		}
3334	}
3335
3336	private void refreshAllGcmTokens() {
3337		for(Account account : getAccounts()) {
3338			if (account.isOnlineAndConnected() && mPushManagementService.available(account)) {
3339				mPushManagementService.registerPushTokenOnServer(account);
3340			}
3341		}
3342	}
3343
3344	private void sendOfflinePresence(final Account account) {
3345		Log.d(Config.LOGTAG,account.getJid().toBareJid()+": sending offline presence");
3346		sendPresencePacket(account, mPresenceGenerator.sendOfflinePresence(account));
3347	}
3348
3349	public MessageGenerator getMessageGenerator() {
3350		return this.mMessageGenerator;
3351	}
3352
3353	public PresenceGenerator getPresenceGenerator() {
3354		return this.mPresenceGenerator;
3355	}
3356
3357	public IqGenerator getIqGenerator() {
3358		return this.mIqGenerator;
3359	}
3360
3361	public IqParser getIqParser() {
3362		return this.mIqParser;
3363	}
3364
3365	public JingleConnectionManager getJingleConnectionManager() {
3366		return this.mJingleConnectionManager;
3367	}
3368
3369	public MessageArchiveService getMessageArchiveService() {
3370		return this.mMessageArchiveService;
3371	}
3372
3373	public List<Contact> findContacts(Jid jid) {
3374		ArrayList<Contact> contacts = new ArrayList<>();
3375		for (Account account : getAccounts()) {
3376			if (!account.isOptionSet(Account.OPTION_DISABLED)) {
3377				Contact contact = account.getRoster().getContactFromRoster(jid);
3378				if (contact != null) {
3379					contacts.add(contact);
3380				}
3381			}
3382		}
3383		return contacts;
3384	}
3385
3386	public Conversation findFirstMuc(Jid jid) {
3387		for(Conversation conversation : getConversations()) {
3388			if (conversation.getJid().toBareJid().equals(jid.toBareJid())
3389					&& conversation.getMode() == Conversation.MODE_MULTI) {
3390				return conversation;
3391			}
3392		}
3393		return null;
3394	}
3395
3396	public NotificationService getNotificationService() {
3397		return this.mNotificationService;
3398	}
3399
3400	public HttpConnectionManager getHttpConnectionManager() {
3401		return this.mHttpConnectionManager;
3402	}
3403
3404	public void resendFailedMessages(final Message message) {
3405		final Collection<Message> messages = new ArrayList<>();
3406		Message current = message;
3407		while (current.getStatus() == Message.STATUS_SEND_FAILED) {
3408			messages.add(current);
3409			if (current.mergeable(current.next())) {
3410				current = current.next();
3411			} else {
3412				break;
3413			}
3414		}
3415		for (final Message msg : messages) {
3416			msg.setTime(System.currentTimeMillis());
3417			markMessage(msg, Message.STATUS_WAITING);
3418			this.resendMessage(msg, false);
3419		}
3420	}
3421
3422	public void clearConversationHistory(final Conversation conversation) {
3423		conversation.clearMessages();
3424		conversation.setHasMessagesLeftOnServer(false); //avoid messages getting loaded through mam
3425		conversation.setLastClearHistory(System.currentTimeMillis());
3426		Runnable runnable = new Runnable() {
3427			@Override
3428			public void run() {
3429				databaseBackend.deleteMessagesInConversation(conversation);
3430				databaseBackend.updateConversation(conversation);
3431			}
3432		};
3433		mDatabaseExecutor.execute(runnable);
3434	}
3435
3436	public void sendBlockRequest(final Blockable blockable, boolean reportSpam) {
3437		if (blockable != null && blockable.getBlockedJid() != null) {
3438			final Jid jid = blockable.getBlockedJid();
3439			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetBlockRequest(jid, reportSpam), new OnIqPacketReceived() {
3440
3441				@Override
3442				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3443					if (packet.getType() == IqPacket.TYPE.RESULT) {
3444						account.getBlocklist().add(jid);
3445						updateBlocklistUi(OnUpdateBlocklist.Status.BLOCKED);
3446					}
3447				}
3448			});
3449		}
3450	}
3451
3452	public void sendUnblockRequest(final Blockable blockable) {
3453		if (blockable != null && blockable.getJid() != null) {
3454			final Jid jid = blockable.getBlockedJid();
3455			this.sendIqPacket(blockable.getAccount(), getIqGenerator().generateSetUnblockRequest(jid), new OnIqPacketReceived() {
3456				@Override
3457				public void onIqPacketReceived(final Account account, final IqPacket packet) {
3458					if (packet.getType() == IqPacket.TYPE.RESULT) {
3459						account.getBlocklist().remove(jid);
3460						updateBlocklistUi(OnUpdateBlocklist.Status.UNBLOCKED);
3461					}
3462				}
3463			});
3464		}
3465	}
3466
3467	public void publishDisplayName(Account account) {
3468		String displayName = account.getDisplayName();
3469		if (displayName != null && !displayName.isEmpty()) {
3470			IqPacket publish = mIqGenerator.publishNick(displayName);
3471			sendIqPacket(account, publish, new OnIqPacketReceived() {
3472				@Override
3473				public void onIqPacketReceived(Account account, IqPacket packet) {
3474					if (packet.getType() == IqPacket.TYPE.ERROR) {
3475						Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": could not publish nick");
3476					}
3477				}
3478			});
3479		}
3480	}
3481
3482	public ServiceDiscoveryResult getCachedServiceDiscoveryResult(Pair<String, String> key) {
3483		ServiceDiscoveryResult result = discoCache.get(key);
3484		if (result != null) {
3485			return result;
3486		} else {
3487			result = databaseBackend.findDiscoveryResult(key.first, key.second);
3488			if (result != null) {
3489				discoCache.put(key, result);
3490			}
3491			return result;
3492		}
3493	}
3494
3495	public void fetchCaps(Account account, final Jid jid, final Presence presence) {
3496		final Pair<String,String> key = new Pair<>(presence.getHash(), presence.getVer());
3497		ServiceDiscoveryResult disco = getCachedServiceDiscoveryResult(key);
3498		if (disco != null) {
3499			presence.setServiceDiscoveryResult(disco);
3500		} else {
3501			if (!account.inProgressDiscoFetches.contains(key)) {
3502				account.inProgressDiscoFetches.add(key);
3503				IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3504				request.setTo(jid);
3505				request.query("http://jabber.org/protocol/disco#info");
3506				Log.d(Config.LOGTAG,account.getJid().toBareJid()+": making disco request for "+key.second+" to "+jid);
3507				sendIqPacket(account, request, new OnIqPacketReceived() {
3508					@Override
3509					public void onIqPacketReceived(Account account, IqPacket discoPacket) {
3510						if (discoPacket.getType() == IqPacket.TYPE.RESULT) {
3511							ServiceDiscoveryResult disco = new ServiceDiscoveryResult(discoPacket);
3512							if (presence.getVer().equals(disco.getVer())) {
3513								databaseBackend.insertDiscoveryResult(disco);
3514								injectServiceDiscorveryResult(account.getRoster(), presence.getHash(), presence.getVer(), disco);
3515							} else {
3516								Log.d(Config.LOGTAG, account.getJid().toBareJid() + ": mismatch in caps for contact " + jid + " " + presence.getVer() + " vs " + disco.getVer());
3517							}
3518						}
3519						account.inProgressDiscoFetches.remove(key);
3520					}
3521				});
3522			}
3523		}
3524	}
3525
3526	private void injectServiceDiscorveryResult(Roster roster, String hash, String ver, ServiceDiscoveryResult disco) {
3527		for(Contact contact : roster.getContacts()) {
3528			for(Presence presence : contact.getPresences().getPresences().values()) {
3529				if (hash.equals(presence.getHash()) && ver.equals(presence.getVer())) {
3530					presence.setServiceDiscoveryResult(disco);
3531				}
3532			}
3533		}
3534	}
3535
3536	public void fetchMamPreferences(Account account, final OnMamPreferencesFetched callback) {
3537		IqPacket request = new IqPacket(IqPacket.TYPE.GET);
3538		request.addChild("prefs","urn:xmpp:mam:0");
3539		sendIqPacket(account, request, new OnIqPacketReceived() {
3540			@Override
3541			public void onIqPacketReceived(Account account, IqPacket packet) {
3542				Element prefs = packet.findChild("prefs","urn:xmpp:mam:0");
3543				if (packet.getType() == IqPacket.TYPE.RESULT && prefs != null) {
3544					callback.onPreferencesFetched(prefs);
3545				} else {
3546					callback.onPreferencesFetchFailed();
3547				}
3548			}
3549		});
3550	}
3551
3552	public PushManagementService getPushManagementService() {
3553		return mPushManagementService;
3554	}
3555
3556	public Account getPendingAccount() {
3557		Account pending = null;
3558		for(Account account : getAccounts()) {
3559			if (account.isOptionSet(Account.OPTION_REGISTER)) {
3560				pending = account;
3561			} else {
3562				return null;
3563			}
3564		}
3565		return pending;
3566	}
3567
3568	public void changeStatus(Account account, Presence.Status status, String statusMessage, boolean send) {
3569		if (!statusMessage.isEmpty()) {
3570			databaseBackend.insertPresenceTemplate(new PresenceTemplate(status, statusMessage));
3571		}
3572		changeStatusReal(account, status, statusMessage, send);
3573	}
3574
3575	private void changeStatusReal(Account account, Presence.Status status, String statusMessage, boolean send) {
3576		account.setPresenceStatus(status);
3577		account.setPresenceStatusMessage(statusMessage);
3578		databaseBackend.updateAccount(account);
3579		if (!account.isOptionSet(Account.OPTION_DISABLED) && send) {
3580			sendPresence(account);
3581		}
3582	}
3583
3584	public void changeStatus(Presence.Status status, String statusMessage) {
3585		if (!statusMessage.isEmpty()) {
3586			databaseBackend.insertPresenceTemplate(new PresenceTemplate(status, statusMessage));
3587		}
3588		for(Account account : getAccounts()) {
3589			changeStatusReal(account, status, statusMessage, true);
3590		}
3591	}
3592
3593	public List<PresenceTemplate> getPresenceTemplates(Account account) {
3594		List<PresenceTemplate> templates = databaseBackend.getPresenceTemplates();
3595		for(PresenceTemplate template : account.getSelfContact().getPresences().asTemplates()) {
3596			if (!templates.contains(template)) {
3597				templates.add(0, template);
3598			}
3599		}
3600		return templates;
3601	}
3602
3603	public void saveConversationAsBookmark(Conversation conversation, String name) {
3604		Account account = conversation.getAccount();
3605		Bookmark bookmark = new Bookmark(account, conversation.getJid().toBareJid());
3606		if (!conversation.getJid().isBareJid()) {
3607			bookmark.setNick(conversation.getJid().getResourcepart());
3608		}
3609		if (name != null && !name.trim().isEmpty()) {
3610			bookmark.setBookmarkName(name.trim());
3611		}
3612		bookmark.setAutojoin(getPreferences().getBoolean("autojoin",true));
3613		account.getBookmarks().add(bookmark);
3614		pushBookmarks(account);
3615		conversation.setBookmark(bookmark);
3616	}
3617
3618	public void clearStartTimeCounter() {
3619		mDatabaseExecutor.execute(new Runnable() {
3620			@Override
3621			public void run() {
3622				databaseBackend.clearStartTimeCounter(false);
3623			}
3624		});
3625	}
3626
3627	public boolean verifyFingerprints(Contact contact, List<XmppUri.Fingerprint> fingerprints) {
3628		boolean needsRosterWrite = false;
3629		boolean performedVerification = false;
3630		final AxolotlService axolotlService = contact.getAccount().getAxolotlService();
3631		for(XmppUri.Fingerprint fp : fingerprints) {
3632			if (fp.type == XmppUri.FingerprintType.OTR) {
3633				performedVerification |= contact.addOtrFingerprint(fp.fingerprint);
3634				needsRosterWrite |= performedVerification;
3635			} else if (fp.type == XmppUri.FingerprintType.OMEMO) {
3636				String fingerprint = "05"+fp.fingerprint.replaceAll("\\s","");
3637				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
3638				if (fingerprintStatus != null) {
3639					if (!fingerprintStatus.isVerified()) {
3640						performedVerification = true;
3641						axolotlService.setFingerprintTrust(fingerprint,fingerprintStatus.toVerified());
3642					}
3643				} else {
3644					axolotlService.preVerifyFingerprint(contact,fingerprint);
3645				}
3646			}
3647		}
3648		if (needsRosterWrite) {
3649			syncRosterToDisk(contact.getAccount());
3650		}
3651		return performedVerification;
3652	}
3653
3654	public boolean verifyFingerprints(Account account, List<XmppUri.Fingerprint> fingerprints) {
3655		final AxolotlService axolotlService = account.getAxolotlService();
3656		boolean verifiedSomething = false;
3657		for(XmppUri.Fingerprint fp : fingerprints) {
3658			if (fp.type == XmppUri.FingerprintType.OMEMO) {
3659				String fingerprint = "05"+fp.fingerprint.replaceAll("\\s","");
3660				Log.d(Config.LOGTAG,"trying to verify own fp="+fingerprint);
3661				FingerprintStatus fingerprintStatus = axolotlService.getFingerprintTrust(fingerprint);
3662				if (fingerprintStatus != null) {
3663					if (!fingerprintStatus.isVerified()) {
3664						axolotlService.setFingerprintTrust(fingerprint,fingerprintStatus.toVerified());
3665						verifiedSomething = true;
3666					}
3667				} else {
3668					axolotlService.preVerifyFingerprint(account,fingerprint);
3669					verifiedSomething = true;
3670				}
3671			}
3672		}
3673		return verifiedSomething;
3674	}
3675
3676	public boolean blindTrustBeforeVerification() {
3677		return getPreferences().getBoolean(SettingsActivity.BLIND_TRUST_BEFORE_VERIFICATION, true);
3678	}
3679
3680	public interface OnMamPreferencesFetched {
3681		void onPreferencesFetched(Element prefs);
3682		void onPreferencesFetchFailed();
3683	}
3684
3685	public void pushMamPreferences(Account account, Element prefs) {
3686		IqPacket set = new IqPacket(IqPacket.TYPE.SET);
3687		set.addChild(prefs);
3688		sendIqPacket(account, set, null);
3689	}
3690
3691	public interface OnAccountCreated {
3692		void onAccountCreated(Account account);
3693
3694		void informUser(int r);
3695	}
3696
3697	public interface OnMoreMessagesLoaded {
3698		void onMoreMessagesLoaded(int count, Conversation conversation);
3699
3700		void informUser(int r);
3701	}
3702
3703	public interface OnAccountPasswordChanged {
3704		void onPasswordChangeSucceeded();
3705
3706		void onPasswordChangeFailed();
3707	}
3708
3709	public interface OnAffiliationChanged {
3710		void onAffiliationChangedSuccessful(Jid jid);
3711
3712		void onAffiliationChangeFailed(Jid jid, int resId);
3713	}
3714
3715	public interface OnRoleChanged {
3716		void onRoleChangedSuccessful(String nick);
3717
3718		void onRoleChangeFailed(String nick, int resid);
3719	}
3720
3721	public interface OnConversationUpdate {
3722		void onConversationUpdate();
3723	}
3724
3725	public interface OnAccountUpdate {
3726		void onAccountUpdate();
3727	}
3728
3729	public interface OnCaptchaRequested {
3730		void onCaptchaRequested(Account account,
3731								String id,
3732								Data data,
3733								Bitmap captcha);
3734	}
3735
3736	public interface OnRosterUpdate {
3737		void onRosterUpdate();
3738	}
3739
3740	public interface OnMucRosterUpdate {
3741		void onMucRosterUpdate();
3742	}
3743
3744	public interface OnConferenceConfigurationFetched {
3745		void onConferenceConfigurationFetched(Conversation conversation);
3746
3747		void onFetchFailed(Conversation conversation, Element error);
3748	}
3749
3750	public interface OnConferenceJoined {
3751		void onConferenceJoined(Conversation conversation);
3752	}
3753
3754	public interface OnConferenceOptionsPushed {
3755		void onPushSucceeded();
3756
3757		void onPushFailed();
3758	}
3759
3760	public interface OnShowErrorToast {
3761		void onShowErrorToast(int resId);
3762	}
3763
3764	public class XmppConnectionBinder extends Binder {
3765		public XmppConnectionService getService() {
3766			return XmppConnectionService.this;
3767		}
3768	}
3769}