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