1package eu.siacs.conversations.entities;
2
3import java.security.interfaces.DSAPublicKey;
4import java.util.ArrayList;
5import java.util.List;
6
7import eu.siacs.conversations.services.XmppConnectionService;
8
9import net.java.otr4j.OtrException;
10import net.java.otr4j.crypto.OtrCryptoEngineImpl;
11import net.java.otr4j.crypto.OtrCryptoException;
12import net.java.otr4j.session.SessionID;
13import net.java.otr4j.session.SessionImpl;
14import net.java.otr4j.session.SessionStatus;
15import android.content.ContentValues;
16import android.content.Context;
17import android.database.Cursor;
18import android.net.Uri;
19
20public class Conversation extends AbstractEntity {
21
22 private static final long serialVersionUID = -6727528868973996739L;
23
24 public static final String TABLENAME = "conversations";
25
26 public static final int STATUS_AVAILABLE = 0;
27 public static final int STATUS_ARCHIVED = 1;
28 public static final int STATUS_DELETED = 2;
29
30 public static final int MODE_MULTI = 1;
31 public static final int MODE_SINGLE = 0;
32
33 public static final String NAME = "name";
34 public static final String ACCOUNT = "accountUuid";
35 public static final String CONTACT = "contactUuid";
36 public static final String CONTACTJID = "contactJid";
37 public static final String STATUS = "status";
38 public static final String CREATED = "created";
39 public static final String MODE = "mode";
40
41 private String name;
42 private String contactUuid;
43 private String accountUuid;
44 private String contactJid;
45 private int status;
46 private long created;
47 private int mode;
48
49 private String nextPresence;
50
51 private transient List<Message> messages = null;
52 private transient Account account = null;
53
54 private transient SessionImpl otrSession;
55
56 private transient String otrFingerprint = null;
57
58 private int nextMessageEncryption = -1;
59 private String nextMessage;
60
61 private transient MucOptions mucOptions = null;
62
63 private transient String latestMarkableMessageId;
64
65 private byte[] symmetricKey;
66
67 public Conversation(String name, Account account, String contactJid,
68 int mode) {
69 this(java.util.UUID.randomUUID().toString(), name, null, account
70 .getUuid(), contactJid, System.currentTimeMillis(),
71 STATUS_AVAILABLE, mode);
72 this.account = account;
73 }
74
75 public Conversation(String uuid, String name, String contactUuid,
76 String accountUuid, String contactJid, long created, int status,
77 int mode) {
78 this.uuid = uuid;
79 this.name = name;
80 this.contactUuid = contactUuid;
81 this.accountUuid = accountUuid;
82 this.contactJid = contactJid;
83 this.created = created;
84 this.status = status;
85 this.mode = mode;
86 }
87
88 public List<Message> getMessages() {
89 if (messages == null)
90 this.messages = new ArrayList<Message>(); // prevent null pointer
91
92 // populate with Conversation (this)
93
94 for (Message msg : messages) {
95 msg.setConversation(this);
96 }
97
98 return messages;
99 }
100
101 public boolean isRead() {
102 if ((this.messages == null) || (this.messages.size() == 0))
103 return true;
104 return this.messages.get(this.messages.size() - 1).isRead();
105 }
106
107 public void markRead() {
108 if (this.messages == null) {
109 return;
110 }
111 for (int i = this.messages.size() - 1; i >= 0; --i) {
112 if (messages.get(i).isRead()) {
113 break;
114 }
115 this.messages.get(i).markRead();
116 }
117 }
118
119 public void markRead(XmppConnectionService service) {
120 markRead();
121 if (service.confirmMessages() && this.latestMarkableMessageId != null) {
122 service.sendConfirmMessage(getAccount(), getContactJid(),
123 this.latestMarkableMessageId);
124 this.latestMarkableMessageId = null;
125 }
126 }
127
128 public Message getLatestMessage() {
129 if ((this.messages == null) || (this.messages.size() == 0)) {
130 Message message = new Message(this, "", Message.ENCRYPTION_NONE);
131 message.setTime(getCreated());
132 return message;
133 } else {
134 Message message = this.messages.get(this.messages.size() - 1);
135 message.setConversation(this);
136 return message;
137 }
138 }
139
140 public void setMessages(List<Message> msgs) {
141 this.messages = msgs;
142 }
143
144 public String getName(boolean useSubject) {
145 if ((getMode() == MODE_MULTI) && (getMucOptions().getSubject() != null)
146 && useSubject) {
147 return getMucOptions().getSubject();
148 } else {
149 return this.getContact().getDisplayName();
150 }
151 }
152
153 public String getProfilePhotoString() {
154 return this.getContact().getProfilePhoto();
155 }
156
157 public String getAccountUuid() {
158 return this.accountUuid;
159 }
160
161 public Account getAccount() {
162 return this.account;
163 }
164
165 public Contact getContact() {
166 return this.account.getRoster().getContact(this.contactJid);
167 }
168
169 public void setAccount(Account account) {
170 this.account = account;
171 }
172
173 public String getContactJid() {
174 return this.contactJid;
175 }
176
177 public Uri getProfilePhotoUri() {
178 if (this.getProfilePhotoString() != null) {
179 return Uri.parse(this.getProfilePhotoString());
180 }
181 return null;
182 }
183
184 public int getStatus() {
185 return this.status;
186 }
187
188 public long getCreated() {
189 return this.created;
190 }
191
192 public ContentValues getContentValues() {
193 ContentValues values = new ContentValues();
194 values.put(UUID, uuid);
195 values.put(NAME, name);
196 values.put(CONTACT, contactUuid);
197 values.put(ACCOUNT, accountUuid);
198 values.put(CONTACTJID, contactJid);
199 values.put(CREATED, created);
200 values.put(STATUS, status);
201 values.put(MODE, mode);
202 return values;
203 }
204
205 public static Conversation fromCursor(Cursor cursor) {
206 return new Conversation(cursor.getString(cursor.getColumnIndex(UUID)),
207 cursor.getString(cursor.getColumnIndex(NAME)),
208 cursor.getString(cursor.getColumnIndex(CONTACT)),
209 cursor.getString(cursor.getColumnIndex(ACCOUNT)),
210 cursor.getString(cursor.getColumnIndex(CONTACTJID)),
211 cursor.getLong(cursor.getColumnIndex(CREATED)),
212 cursor.getInt(cursor.getColumnIndex(STATUS)),
213 cursor.getInt(cursor.getColumnIndex(MODE)));
214 }
215
216 public void setStatus(int status) {
217 this.status = status;
218 }
219
220 public int getMode() {
221 return this.mode;
222 }
223
224 public void setMode(int mode) {
225 this.mode = mode;
226 }
227
228 public SessionImpl startOtrSession(Context context, String presence,
229 boolean sendStart) {
230 if (this.otrSession != null) {
231 return this.otrSession;
232 } else {
233 SessionID sessionId = new SessionID(this.getContactJid(), presence,
234 "xmpp");
235 this.otrSession = new SessionImpl(sessionId, getAccount()
236 .getOtrEngine(context));
237 try {
238 if (sendStart) {
239 this.otrSession.startSession();
240 return this.otrSession;
241 }
242 return this.otrSession;
243 } catch (OtrException e) {
244 return null;
245 }
246 }
247
248 }
249
250 public SessionImpl getOtrSession() {
251 return this.otrSession;
252 }
253
254 public void resetOtrSession() {
255 this.otrSession = null;
256 }
257
258 public void endOtrIfNeeded() {
259 if (this.otrSession != null) {
260 if (this.otrSession.getSessionStatus() == SessionStatus.ENCRYPTED) {
261 try {
262 this.otrSession.endSession();
263 this.resetOtrSession();
264 } catch (OtrException e) {
265 this.resetOtrSession();
266 }
267 } else {
268 this.resetOtrSession();
269 }
270 }
271 }
272
273 public boolean hasValidOtrSession() {
274 return this.otrSession != null;
275 }
276
277 public String getOtrFingerprint() {
278 if (this.otrFingerprint == null) {
279 try {
280 DSAPublicKey remotePubKey = (DSAPublicKey) getOtrSession()
281 .getRemotePublicKey();
282 StringBuilder builder = new StringBuilder(
283 new OtrCryptoEngineImpl().getFingerprint(remotePubKey));
284 builder.insert(8, " ");
285 builder.insert(17, " ");
286 builder.insert(26, " ");
287 builder.insert(35, " ");
288 this.otrFingerprint = builder.toString();
289 } catch (OtrCryptoException e) {
290
291 }
292 }
293 return this.otrFingerprint;
294 }
295
296 public synchronized MucOptions getMucOptions() {
297 if (this.mucOptions == null) {
298 this.mucOptions = new MucOptions(this.getAccount());
299 }
300 this.mucOptions.setConversation(this);
301 return this.mucOptions;
302 }
303
304 public void resetMucOptions() {
305 this.mucOptions = null;
306 }
307
308 public void setContactJid(String jid) {
309 this.contactJid = jid;
310 }
311
312 public void setNextPresence(String presence) {
313 this.nextPresence = presence;
314 }
315
316 public String getNextPresence() {
317 return this.nextPresence;
318 }
319
320 public int getLatestEncryption() {
321 int latestEncryption = this.getLatestMessage().getEncryption();
322 if ((latestEncryption == Message.ENCRYPTION_DECRYPTED)
323 || (latestEncryption == Message.ENCRYPTION_DECRYPTION_FAILED)) {
324 return Message.ENCRYPTION_PGP;
325 } else {
326 return latestEncryption;
327 }
328 }
329
330 public int getNextEncryption() {
331 if (this.nextMessageEncryption == -1) {
332 return this.getLatestEncryption();
333 }
334 return this.nextMessageEncryption;
335 }
336
337 public void setNextEncryption(int encryption) {
338 this.nextMessageEncryption = encryption;
339 }
340
341 public String getNextMessage() {
342 if (this.nextMessage == null) {
343 return "";
344 } else {
345 return this.nextMessage;
346 }
347 }
348
349 public void setNextMessage(String message) {
350 this.nextMessage = message;
351 }
352
353 public void setLatestMarkableMessageId(String id) {
354 if (id != null) {
355 this.latestMarkableMessageId = id;
356 }
357 }
358
359 public void setSymmetricKey(byte[] key) {
360 this.symmetricKey = key;
361 }
362
363 public byte[] getSymmetricKey() {
364 return this.symmetricKey;
365 }
366}