1package eu.siacs.conversations.parser;
2
3import android.util.Log;
4
5import java.text.ParseException;
6import java.util.ArrayList;
7import java.util.List;
8
9
10import eu.siacs.conversations.Config;
11import eu.siacs.conversations.crypto.PgpEngine;
12import eu.siacs.conversations.crypto.axolotl.AxolotlService;
13import eu.siacs.conversations.entities.Account;
14import eu.siacs.conversations.entities.Bookmark;
15import eu.siacs.conversations.entities.Contact;
16import eu.siacs.conversations.entities.Conversation;
17import eu.siacs.conversations.entities.Message;
18import eu.siacs.conversations.entities.MucOptions;
19import eu.siacs.conversations.entities.Presence;
20import eu.siacs.conversations.generator.IqGenerator;
21import eu.siacs.conversations.generator.PresenceGenerator;
22import eu.siacs.conversations.services.XmppConnectionService;
23import eu.siacs.conversations.utils.XmppUri;
24import eu.siacs.conversations.xml.Element;
25import eu.siacs.conversations.xml.Namespace;
26import eu.siacs.conversations.xmpp.InvalidJid;
27import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
28import eu.siacs.conversations.xmpp.pep.Avatar;
29import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
30import rocks.xmpp.addr.Jid;
31
32public class PresenceParser extends AbstractParser implements
33 OnPresencePacketReceived {
34
35 public PresenceParser(XmppConnectionService service) {
36 super(service);
37 }
38
39 public void parseConferencePresence(PresencePacket packet, Account account) {
40 final Conversation conversation = packet.getFrom() == null ? null : mXmppConnectionService.find(account, packet.getFrom().asBareJid());
41 if (conversation != null) {
42 final MucOptions mucOptions = conversation.getMucOptions();
43 boolean before = mucOptions.online();
44 int count = mucOptions.getUserCount();
45 final List<MucOptions.User> tileUserBefore = mucOptions.getUsers(5);
46 processConferencePresence(packet, conversation);
47 final List<MucOptions.User> tileUserAfter = mucOptions.getUsers(5);
48 if (!tileUserAfter.equals(tileUserBefore)) {
49 mXmppConnectionService.getAvatarService().clear(mucOptions);
50 }
51 if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUserCount())) {
52 mXmppConnectionService.updateConversationUi();
53 } else if (mucOptions.online()) {
54 mXmppConnectionService.updateMucRosterUi();
55 }
56 }
57 }
58
59 private void processConferencePresence(PresencePacket packet, Conversation conversation) {
60 MucOptions mucOptions = conversation.getMucOptions();
61 final Jid jid = conversation.getAccount().getJid();
62 final Jid from = packet.getFrom();
63 if (!from.isBareJid()) {
64 final String type = packet.getAttribute("type");
65 final Element x = packet.findChild("x", "http://jabber.org/protocol/muc#user");
66 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
67 final List<String> codes = getStatusCodes(x);
68 if (type == null) {
69 if (x != null) {
70 Element item = x.findChild("item");
71 if (item != null && !from.isBareJid()) {
72 mucOptions.setError(MucOptions.Error.NONE);
73 MucOptions.User user = parseItem(conversation, item, from);
74 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) || (codes.contains(MucOptions.STATUS_CODE_ROOM_CREATED) && jid.equals(InvalidJid.getNullForInvalid(item.getAttributeAsJid("jid"))))) {
75 if (mucOptions.setOnline()) {
76 mXmppConnectionService.getAvatarService().clear(mucOptions);
77 }
78 if (mucOptions.setSelf(user)) {
79 Log.d(Config.LOGTAG,"role or affiliation changed");
80 mXmppConnectionService.databaseBackend.updateConversation(conversation);
81 }
82
83 mXmppConnectionService.persistSelfNick(user);
84 invokeRenameListener(mucOptions, true);
85 }
86 boolean isNew = mucOptions.updateUser(user);
87 final AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
88 Contact contact = user.getContact();
89 if (isNew
90 && user.getRealJid() != null
91 && mucOptions.isPrivateAndNonAnonymous()
92 && (contact == null || !contact.mutualPresenceSubscription())
93 && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
94 axolotlService.fetchDeviceIds(user.getRealJid());
95 }
96 if (codes.contains(MucOptions.STATUS_CODE_ROOM_CREATED) && mucOptions.autoPushConfiguration()) {
97 Log.d(Config.LOGTAG,mucOptions.getAccount().getJid().asBareJid()
98 +": room '"
99 +mucOptions.getConversation().getJid().asBareJid()
100 +"' created. pushing default configuration");
101 mXmppConnectionService.pushConferenceConfiguration(mucOptions.getConversation(),
102 IqGenerator.defaultRoomConfiguration(),
103 null);
104 }
105 if (mXmppConnectionService.getPgpEngine() != null) {
106 Element signed = packet.findChild("x", "jabber:x:signed");
107 if (signed != null) {
108 Element status = packet.findChild("status");
109 String msg = status == null ? "" : status.getContent();
110 long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
111 if (keyId != 0) {
112 user.setPgpKeyId(keyId);
113 }
114 }
115 }
116 if (avatar != null) {
117 avatar.owner = from;
118 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
119 if (user.setAvatar(avatar)) {
120 mXmppConnectionService.getAvatarService().clear(user);
121 }
122 if (user.getRealJid() != null) {
123 Contact c = conversation.getAccount().getRoster().getContact(user.getRealJid());
124 if (c.setAvatar(avatar)) {
125 mXmppConnectionService.syncRoster(conversation.getAccount());
126 mXmppConnectionService.getAvatarService().clear(c);
127 mXmppConnectionService.updateRosterUi();
128 }
129 }
130 } else if (mXmppConnectionService.isDataSaverDisabled()) {
131 mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
132 }
133 }
134 }
135 }
136 } else if (type.equals("unavailable")) {
137 final boolean fullJidMatches = from.equals(mucOptions.getSelf().getFullJid());
138 if (x.hasChild("destroy") && fullJidMatches) {
139 Element destroy = x.findChild("destroy");
140 final Jid alternate = destroy == null ? null : InvalidJid.getNullForInvalid(destroy.getAttributeAsJid("jid"));
141 mucOptions.setError(MucOptions.Error.DESTROYED);
142 if (alternate != null) {
143 Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": muc destroyed. alternate location " + alternate);
144 }
145 } else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN) && fullJidMatches) {
146 mucOptions.setError(MucOptions.Error.SHUTDOWN);
147 } else if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE)) {
148 if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
149 mucOptions.setError(MucOptions.Error.KICKED);
150 } else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
151 mucOptions.setError(MucOptions.Error.BANNED);
152 } else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) {
153 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
154 } else if (codes.contains(MucOptions.STATUS_CODE_AFFILIATION_CHANGE)) {
155 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
156 } else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN)) {
157 mucOptions.setError(MucOptions.Error.SHUTDOWN);
158 } else if (!codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
159 mucOptions.setError(MucOptions.Error.UNKNOWN);
160 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
161 }
162 } else if (!from.isBareJid()){
163 Element item = x.findChild("item");
164 if (item != null) {
165 mucOptions.updateUser(parseItem(conversation, item, from));
166 }
167 MucOptions.User user = mucOptions.deleteUser(from);
168 if (user != null) {
169 mXmppConnectionService.getAvatarService().clear(user);
170 }
171 }
172 } else if (type.equals("error")) {
173 final Element error = packet.findChild("error");
174 if (error == null) {
175 return;
176 }
177 if (error.hasChild("conflict")) {
178 if (mucOptions.online()) {
179 invokeRenameListener(mucOptions, false);
180 } else {
181 mucOptions.setError(MucOptions.Error.NICK_IN_USE);
182 }
183 } else if (error.hasChild("not-authorized")) {
184 mucOptions.setError(MucOptions.Error.PASSWORD_REQUIRED);
185 } else if (error.hasChild("forbidden")) {
186 mucOptions.setError(MucOptions.Error.BANNED);
187 } else if (error.hasChild("registration-required")) {
188 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
189 } else if (error.hasChild("resource-constraint")) {
190 mucOptions.setError(MucOptions.Error.RESOURCE_CONSTRAINT);
191 } else if (error.hasChild("remote-server-timeout")) {
192 mucOptions.setError(MucOptions.Error.REMOTE_SERVER_TIMEOUT);
193 } else if (error.hasChild("gone")) {
194 final String gone = error.findChildContent("gone");
195 final Jid alternate;
196 if (gone != null) {
197 final XmppUri xmppUri = new XmppUri(gone);
198 if (xmppUri.isJidValid()) {
199 alternate = xmppUri.getJid();
200 } else {
201 alternate = null;
202 }
203 } else {
204 alternate = null;
205 }
206 mucOptions.setError(MucOptions.Error.DESTROYED);
207 if (alternate != null) {
208 Log.d(Config.LOGTAG, conversation.getAccount().getJid().asBareJid() + ": muc destroyed. alternate location " + alternate);
209 }
210 } else {
211 final String text = error.findChildContent("text");
212 if (text != null && text.contains("attribute 'to'")) {
213 if (mucOptions.online()) {
214 invokeRenameListener(mucOptions, false);
215 } else {
216 mucOptions.setError(MucOptions.Error.INVALID_NICK);
217 }
218 } else {
219 mucOptions.setError(MucOptions.Error.UNKNOWN);
220 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
221 }
222 }
223 }
224 }
225 }
226
227 private static void invokeRenameListener(final MucOptions options, boolean success) {
228 if (options.onRenameListener != null) {
229 if (success) {
230 options.onRenameListener.onSuccess();
231 } else {
232 options.onRenameListener.onFailure();
233 }
234 options.onRenameListener = null;
235 }
236 }
237
238 private static List<String> getStatusCodes(Element x) {
239 List<String> codes = new ArrayList<>();
240 if (x != null) {
241 for (Element child : x.getChildren()) {
242 if (child.getName().equals("status")) {
243 String code = child.getAttribute("code");
244 if (code != null) {
245 codes.add(code);
246 }
247 }
248 }
249 }
250 return codes;
251 }
252
253 private void parseContactPresence(final PresencePacket packet, final Account account) {
254 final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
255 final Jid from = packet.getFrom();
256 if (from == null || from.equals(account.getJid())) {
257 return;
258 }
259 final String type = packet.getAttribute("type");
260 final Contact contact = account.getRoster().getContact(from);
261 if (type == null) {
262 final String resource = from.isBareJid() ? "" : from.getResource();
263 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
264 if (avatar != null && (!contact.isSelf() || account.getAvatar() == null)) {
265 avatar.owner = from.asBareJid();
266 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
267 if (avatar.owner.equals(account.getJid().asBareJid())) {
268 account.setAvatar(avatar.getFilename());
269 mXmppConnectionService.databaseBackend.updateAccount(account);
270 mXmppConnectionService.getAvatarService().clear(account);
271 mXmppConnectionService.updateConversationUi();
272 mXmppConnectionService.updateAccountUi();
273 } else if (contact.setAvatar(avatar)) {
274 mXmppConnectionService.syncRoster(account);
275 mXmppConnectionService.getAvatarService().clear(contact);
276 mXmppConnectionService.updateConversationUi();
277 mXmppConnectionService.updateRosterUi();
278 }
279 } else if (mXmppConnectionService.isDataSaverDisabled()){
280 mXmppConnectionService.fetchAvatar(account, avatar);
281 }
282 }
283
284 if (mXmppConnectionService.isMuc(account, from)) {
285 return;
286 }
287
288 int sizeBefore = contact.getPresences().size();
289
290 final String show = packet.findChildContent("show");
291 final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
292 final String message = packet.findChildContent("status");
293 final Presence presence = Presence.parse(show, caps, message);
294 contact.updatePresence(resource, presence);
295 if (presence.hasCaps()) {
296 mXmppConnectionService.fetchCaps(account, from, presence);
297 }
298
299 final Element idle = packet.findChild("idle", Namespace.IDLE);
300 if (idle != null) {
301 try {
302 final String since = idle.getAttribute("since");
303 contact.setLastseen(AbstractParser.parseTimestamp(since));
304 contact.flagInactive();
305 } catch (Throwable throwable) {
306 if (contact.setLastseen(AbstractParser.parseTimestamp(packet))) {
307 contact.flagActive();
308 }
309 }
310 } else {
311 if (contact.setLastseen(AbstractParser.parseTimestamp(packet))) {
312 contact.flagActive();
313 }
314 }
315
316 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
317 Element x = packet.findChild("x", "jabber:x:signed");
318 if (pgp != null && x != null) {
319 Element status = packet.findChild("status");
320 String msg = status != null ? status.getContent() : "";
321 if (contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()))) {
322 mXmppConnectionService.syncRoster(account);
323 }
324 }
325 boolean online = sizeBefore < contact.getPresences().size();
326 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
327 } else if (type.equals("unavailable")) {
328 if (contact.setLastseen(AbstractParser.parseTimestamp(packet,0L,true))) {
329 contact.flagInactive();
330 }
331 if (from.isBareJid()) {
332 contact.clearPresences();
333 } else {
334 contact.removePresence(from.getResource());
335 }
336 if (contact.getShownStatus() == Presence.Status.OFFLINE) {
337 contact.flagInactive();
338 }
339 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
340 } else if (type.equals("subscribe")) {
341 if (contact.setPresenceName(packet.findChildContent("nick", Namespace.NICK))) {
342 mXmppConnectionService.getAvatarService().clear(contact);
343 }
344 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
345 mXmppConnectionService.sendPresencePacket(account,
346 mPresenceGenerator.sendPresenceUpdatesTo(contact));
347 } else {
348 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
349 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
350 account, contact.getJid().asBareJid(), false, false);
351 final String statusMessage = packet.findChildContent("status");
352 if (statusMessage != null
353 && !statusMessage.isEmpty()
354 && conversation.countMessages() == 0) {
355 conversation.add(new Message(
356 conversation,
357 statusMessage,
358 Message.ENCRYPTION_NONE,
359 Message.STATUS_RECEIVED
360 ));
361 }
362 }
363 }
364 mXmppConnectionService.updateRosterUi();
365 }
366
367 @Override
368 public void onPresencePacketReceived(Account account, PresencePacket packet) {
369 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
370 this.parseConferencePresence(packet, account);
371 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
372 this.parseConferencePresence(packet, account);
373 } else if ("error".equals(packet.getAttribute("type")) && mXmppConnectionService.isMuc(account, packet.getFrom())) {
374 this.parseConferencePresence(packet, account);
375 } else {
376 this.parseContactPresence(packet, account);
377 }
378 }
379}