1package eu.siacs.conversations.entities;
  2
  3import android.content.ContentValues;
  4import android.database.Cursor;
  5import android.os.SystemClock;
  6
  7import net.java.otr4j.crypto.OtrCryptoEngineImpl;
  8import net.java.otr4j.crypto.OtrCryptoException;
  9
 10import org.json.JSONException;
 11import org.json.JSONObject;
 12
 13import java.security.PublicKey;
 14import java.security.interfaces.DSAPublicKey;
 15import java.util.Collection;
 16import java.util.List;
 17import java.util.concurrent.CopyOnWriteArrayList;
 18import java.util.concurrent.CopyOnWriteArraySet;
 19
 20import eu.siacs.conversations.Config;
 21import eu.siacs.conversations.R;
 22import eu.siacs.conversations.crypto.OtrService;
 23import eu.siacs.conversations.crypto.axolotl.AxolotlService;
 24import eu.siacs.conversations.services.XmppConnectionService;
 25import eu.siacs.conversations.xmpp.XmppConnection;
 26import eu.siacs.conversations.xmpp.jid.InvalidJidException;
 27import eu.siacs.conversations.xmpp.jid.Jid;
 28
 29public class Account extends AbstractEntity {
 30
 31	public static final String TABLENAME = "accounts";
 32
 33	public static final String USERNAME = "username";
 34	public static final String SERVER = "server";
 35	public static final String PASSWORD = "password";
 36	public static final String OPTIONS = "options";
 37	public static final String ROSTERVERSION = "rosterversion";
 38	public static final String KEYS = "keys";
 39	public static final String AVATAR = "avatar";
 40
 41	public static final String PINNED_MECHANISM_KEY = "pinned_mechanism";
 42
 43	public static final int OPTION_USETLS = 0;
 44	public static final int OPTION_DISABLED = 1;
 45	public static final int OPTION_REGISTER = 2;
 46	public static final int OPTION_USECOMPRESSION = 3;
 47
 48	public boolean httpUploadAvailable() {
 49		return xmppConnection != null && xmppConnection.getFeatures().httpUpload();
 50	}
 51
 52	public static enum State {
 53		DISABLED,
 54		OFFLINE,
 55		CONNECTING,
 56		ONLINE,
 57		NO_INTERNET,
 58		UNAUTHORIZED(true),
 59		SERVER_NOT_FOUND(true),
 60		REGISTRATION_FAILED(true),
 61		REGISTRATION_CONFLICT(true),
 62		REGISTRATION_SUCCESSFUL,
 63		REGISTRATION_NOT_SUPPORTED(true),
 64		SECURITY_ERROR(true),
 65		INCOMPATIBLE_SERVER(true),
 66		DNS_TIMEOUT(true);
 67
 68		private final boolean isError;
 69
 70		public boolean isError() {
 71			return this.isError;
 72		}
 73
 74		private State(final boolean isError) {
 75			this.isError = isError;
 76		}
 77
 78		private State() {
 79			this(false);
 80		}
 81
 82		public int getReadableId() {
 83			switch (this) {
 84				case DISABLED:
 85					return R.string.account_status_disabled;
 86				case ONLINE:
 87					return R.string.account_status_online;
 88				case CONNECTING:
 89					return R.string.account_status_connecting;
 90				case OFFLINE:
 91					return R.string.account_status_offline;
 92				case UNAUTHORIZED:
 93					return R.string.account_status_unauthorized;
 94				case SERVER_NOT_FOUND:
 95					return R.string.account_status_not_found;
 96				case NO_INTERNET:
 97					return R.string.account_status_no_internet;
 98				case REGISTRATION_FAILED:
 99					return R.string.account_status_regis_fail;
100				case REGISTRATION_CONFLICT:
101					return R.string.account_status_regis_conflict;
102				case REGISTRATION_SUCCESSFUL:
103					return R.string.account_status_regis_success;
104				case REGISTRATION_NOT_SUPPORTED:
105					return R.string.account_status_regis_not_sup;
106				case SECURITY_ERROR:
107					return R.string.account_status_security_error;
108				case INCOMPATIBLE_SERVER:
109					return R.string.account_status_incompatible_server;
110				case DNS_TIMEOUT:
111					return R.string.account_status_dns_timeout;
112				default:
113					return R.string.account_status_unknown;
114			}
115		}
116	}
117
118	public List<Conversation> pendingConferenceJoins = new CopyOnWriteArrayList<>();
119	public List<Conversation> pendingConferenceLeaves = new CopyOnWriteArrayList<>();
120	protected Jid jid;
121	protected String password;
122	protected int options = 0;
123	protected String rosterVersion;
124	protected State status = State.OFFLINE;
125	protected JSONObject keys = new JSONObject();
126	protected String avatar;
127	protected boolean online = false;
128	private OtrService mOtrService = null;
129	private AxolotlService axolotlService = null;
130	private XmppConnection xmppConnection = null;
131	private long mEndGracePeriod = 0L;
132	private String otrFingerprint;
133	private final Roster roster = new Roster(this);
134	private List<Bookmark> bookmarks = new CopyOnWriteArrayList<>();
135	private final Collection<Jid> blocklist = new CopyOnWriteArraySet<>();
136
137	public Account() {
138		this.uuid = "0";
139	}
140
141	public Account(final Jid jid, final String password) {
142		this(java.util.UUID.randomUUID().toString(), jid,
143				password, 0, null, "", null);
144	}
145
146	public Account(final String uuid, final Jid jid,
147			final String password, final int options, final String rosterVersion, final String keys,
148			final String avatar) {
149		this.uuid = uuid;
150		this.jid = jid;
151		if (jid.isBareJid()) {
152			this.setResource("mobile");
153		}
154		this.password = password;
155		this.options = options;
156		this.rosterVersion = rosterVersion;
157		try {
158			this.keys = new JSONObject(keys);
159		} catch (final JSONException ignored) {
160			this.keys = new JSONObject();
161		}
162		this.avatar = avatar;
163	}
164
165	public static Account fromCursor(final Cursor cursor) {
166		Jid jid = null;
167		try {
168			jid = Jid.fromParts(cursor.getString(cursor.getColumnIndex(USERNAME)),
169					cursor.getString(cursor.getColumnIndex(SERVER)), "mobile");
170		} catch (final InvalidJidException ignored) {
171		}
172		return new Account(cursor.getString(cursor.getColumnIndex(UUID)),
173				jid,
174				cursor.getString(cursor.getColumnIndex(PASSWORD)),
175				cursor.getInt(cursor.getColumnIndex(OPTIONS)),
176				cursor.getString(cursor.getColumnIndex(ROSTERVERSION)),
177				cursor.getString(cursor.getColumnIndex(KEYS)),
178				cursor.getString(cursor.getColumnIndex(AVATAR)));
179	}
180
181	public boolean isOptionSet(final int option) {
182		return ((options & (1 << option)) != 0);
183	}
184
185	public void setOption(final int option, final boolean value) {
186		if (value) {
187			this.options |= 1 << option;
188		} else {
189			this.options &= ~(1 << option);
190		}
191	}
192
193	public String getUsername() {
194		return jid.getLocalpart();
195	}
196
197	public void setJid(final Jid jid) {
198		this.jid = jid;
199	}
200
201	public Jid getServer() {
202		return jid.toDomainJid();
203	}
204
205	public String getPassword() {
206		return password;
207	}
208
209	public void setPassword(final String password) {
210		this.password = password;
211	}
212
213	public State getStatus() {
214		if (isOptionSet(OPTION_DISABLED)) {
215			return State.DISABLED;
216		} else {
217			return this.status;
218		}
219	}
220
221	public void setStatus(final State status) {
222		this.status = status;
223	}
224
225	public boolean errorStatus() {
226		return getStatus().isError();
227	}
228
229	public boolean hasErrorStatus() {
230		return getXmppConnection() != null && getStatus().isError() && getXmppConnection().getAttempt() >= 2;
231	}
232
233	public String getResource() {
234		return jid.getResourcepart();
235	}
236
237	public boolean setResource(final String resource) {
238		final String oldResource = jid.getResourcepart();
239		if (oldResource == null || !oldResource.equals(resource)) {
240			try {
241				jid = Jid.fromParts(jid.getLocalpart(), jid.getDomainpart(), resource);
242				return true;
243			} catch (final InvalidJidException ignored) {
244				return true;
245			}
246		}
247		return false;
248	}
249
250	public Jid getJid() {
251		return jid;
252	}
253
254	public JSONObject getKeys() {
255		return keys;
256	}
257
258	public String getKey(final String name) {
259		return this.keys.optString(name, null);
260	}
261
262	public boolean setKey(final String keyName, final String keyValue) {
263		try {
264			this.keys.put(keyName, keyValue);
265			return true;
266		} catch (final JSONException e) {
267			return false;
268		}
269	}
270
271	public boolean setPrivateKeyAlias(String alias) {
272		return setKey("private_key_alias", alias);
273	}
274
275	public String getPrivateKeyAlias() {
276		return getKey("private_key_alias");
277	}
278
279	@Override
280	public ContentValues getContentValues() {
281		final ContentValues values = new ContentValues();
282		values.put(UUID, uuid);
283		values.put(USERNAME, jid.getLocalpart());
284		values.put(SERVER, jid.getDomainpart());
285		values.put(PASSWORD, password);
286		values.put(OPTIONS, options);
287		values.put(KEYS, this.keys.toString());
288		values.put(ROSTERVERSION, rosterVersion);
289		values.put(AVATAR, avatar);
290		return values;
291	}
292
293	public AxolotlService getAxolotlService() {
294		return axolotlService;
295	}
296
297	public void initAccountServices(final XmppConnectionService context) {
298		this.mOtrService = new OtrService(context, this);
299		this.axolotlService = new AxolotlService(this, context);
300	}
301
302	public OtrService getOtrService() {
303		return this.mOtrService;
304	}
305
306	public XmppConnection getXmppConnection() {
307		return this.xmppConnection;
308	}
309
310	public void setXmppConnection(final XmppConnection connection) {
311		this.xmppConnection = connection;
312	}
313
314	public String getOtrFingerprint() {
315		if (this.otrFingerprint == null) {
316			try {
317				if (this.mOtrService == null) {
318					return null;
319				}
320				final PublicKey publicKey = this.mOtrService.getPublicKey();
321				if (publicKey == null || !(publicKey instanceof DSAPublicKey)) {
322					return null;
323				}
324				this.otrFingerprint = new OtrCryptoEngineImpl().getFingerprint(publicKey);
325				return this.otrFingerprint;
326			} catch (final OtrCryptoException ignored) {
327				return null;
328			}
329		} else {
330			return this.otrFingerprint;
331		}
332	}
333
334	public String getRosterVersion() {
335		if (this.rosterVersion == null) {
336			return "";
337		} else {
338			return this.rosterVersion;
339		}
340	}
341
342	public void setRosterVersion(final String version) {
343		this.rosterVersion = version;
344	}
345
346	public int countPresences() {
347		return this.getRoster().getContact(this.getJid().toBareJid()).getPresences().size();
348	}
349
350	public String getPgpSignature() {
351		if (keys.has("pgp_signature")) {
352			try {
353				return keys.getString("pgp_signature");
354			} catch (final JSONException e) {
355				return null;
356			}
357		} else {
358			return null;
359		}
360	}
361
362	public Roster getRoster() {
363		return this.roster;
364	}
365
366	public List<Bookmark> getBookmarks() {
367		return this.bookmarks;
368	}
369
370	public void setBookmarks(final List<Bookmark> bookmarks) {
371		this.bookmarks = bookmarks;
372	}
373
374	public boolean hasBookmarkFor(final Jid conferenceJid) {
375		for (final Bookmark bookmark : this.bookmarks) {
376			final Jid jid = bookmark.getJid();
377			if (jid != null && jid.equals(conferenceJid.toBareJid())) {
378				return true;
379			}
380		}
381		return false;
382	}
383
384	public boolean setAvatar(final String filename) {
385		if (this.avatar != null && this.avatar.equals(filename)) {
386			return false;
387		} else {
388			this.avatar = filename;
389			return true;
390		}
391	}
392
393	public String getAvatar() {
394		return this.avatar;
395	}
396
397	public void activateGracePeriod() {
398		this.mEndGracePeriod = SystemClock.elapsedRealtime()
399			+ (Config.CARBON_GRACE_PERIOD * 1000);
400	}
401
402	public void deactivateGracePeriod() {
403		this.mEndGracePeriod = 0L;
404	}
405
406	public boolean inGracePeriod() {
407		return SystemClock.elapsedRealtime() < this.mEndGracePeriod;
408	}
409
410	public String getShareableUri() {
411		final String fingerprint = this.getOtrFingerprint();
412		if (fingerprint != null) {
413			return "xmpp:" + this.getJid().toBareJid().toString() + "?otr-fingerprint="+fingerprint;
414		} else {
415			return "xmpp:" + this.getJid().toBareJid().toString();
416		}
417	}
418
419	public boolean isBlocked(final ListItem contact) {
420		final Jid jid = contact.getJid();
421		return jid != null && (blocklist.contains(jid.toBareJid()) || blocklist.contains(jid.toDomainJid()));
422	}
423
424	public boolean isBlocked(final Jid jid) {
425		return jid != null && blocklist.contains(jid.toBareJid());
426	}
427
428	public Collection<Jid> getBlocklist() {
429		return this.blocklist;
430	}
431
432	public void clearBlocklist() {
433		getBlocklist().clear();
434	}
435
436	public boolean isOnlineAndConnected() {
437		return this.getStatus() == State.ONLINE && this.getXmppConnection() != null;
438	}
439}