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