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.pep.Avatar;
27import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
28import rocks.xmpp.addr.Jid;
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().asBareJid());
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 Contact contact = user.getContact();
84 if (isNew
85 && user.getRealJid() != null
86 && mucOptions.isPrivateAndNonAnonymous()
87 && (contact == null || !contact.mutualPresenceSubscription())
88 && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
89 axolotlService.fetchDeviceIds(user.getRealJid());
90 }
91 if (codes.contains(MucOptions.STATUS_CODE_ROOM_CREATED) && mucOptions.autoPushConfiguration()) {
92 Log.d(Config.LOGTAG,mucOptions.getAccount().getJid().asBareJid()
93 +": room '"
94 +mucOptions.getConversation().getJid().asBareJid()
95 +"' created. pushing default configuration");
96 mXmppConnectionService.pushConferenceConfiguration(mucOptions.getConversation(),
97 IqGenerator.defaultRoomConfiguration(),
98 null);
99 }
100 if (mXmppConnectionService.getPgpEngine() != null) {
101 Element signed = packet.findChild("x", "jabber:x:signed");
102 if (signed != null) {
103 Element status = packet.findChild("status");
104 String msg = status == null ? "" : status.getContent();
105 long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
106 if (keyId != 0) {
107 user.setPgpKeyId(keyId);
108 }
109 }
110 }
111 if (avatar != null) {
112 avatar.owner = from;
113 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
114 if (user.setAvatar(avatar)) {
115 mXmppConnectionService.getAvatarService().clear(user);
116 }
117 } else if (mXmppConnectionService.isDataSaverDisabled()) {
118 mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
119 }
120 }
121 }
122 }
123 } else if (type.equals("unavailable")) {
124 if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN) && from.equals(mucOptions.getSelf().getFullJid())) {
125 mucOptions.setError(MucOptions.Error.SHUTDOWN);
126 } else if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE)) {
127 if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
128 mucOptions.setError(MucOptions.Error.KICKED);
129 } else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
130 mucOptions.setError(MucOptions.Error.BANNED);
131 } else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) {
132 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
133 } else if (codes.contains(MucOptions.STATUS_CODE_AFFILIATION_CHANGE)) {
134 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
135 } else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN)) {
136 mucOptions.setError(MucOptions.Error.SHUTDOWN);
137 } else if (!codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
138 mucOptions.setError(MucOptions.Error.UNKNOWN);
139 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
140 }
141 } else if (!from.isBareJid()){
142 Element item = x.findChild("item");
143 if (item != null) {
144 mucOptions.updateUser(parseItem(conversation, item, from));
145 }
146 MucOptions.User user = mucOptions.deleteUser(from);
147 if (user != null) {
148 mXmppConnectionService.getAvatarService().clear(user);
149 }
150 }
151 } else if (type.equals("error")) {
152 final Element error = packet.findChild("error");
153 if (error == null) {
154 return;
155 }
156 if (error.hasChild("conflict")) {
157 if (mucOptions.online()) {
158 invokeRenameListener(mucOptions, false);
159 } else {
160 mucOptions.setError(MucOptions.Error.NICK_IN_USE);
161 }
162 } else if (error.hasChild("not-authorized")) {
163 mucOptions.setError(MucOptions.Error.PASSWORD_REQUIRED);
164 } else if (error.hasChild("forbidden")) {
165 mucOptions.setError(MucOptions.Error.BANNED);
166 } else if (error.hasChild("registration-required")) {
167 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
168 } else {
169 final String text = error.findChildContent("text");
170 if (text != null && text.contains("attribute 'to'")) {
171 if (mucOptions.online()) {
172 invokeRenameListener(mucOptions, false);
173 } else {
174 mucOptions.setError(MucOptions.Error.INVALID_NICK);
175 }
176 } else {
177 mucOptions.setError(MucOptions.Error.UNKNOWN);
178 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
179 }
180 }
181 }
182 }
183 }
184
185 private static void invokeRenameListener(final MucOptions options, boolean success) {
186 if (options.onRenameListener != null) {
187 if (success) {
188 options.onRenameListener.onSuccess();
189 } else {
190 options.onRenameListener.onFailure();
191 }
192 options.onRenameListener = null;
193 }
194 }
195
196 private static List<String> getStatusCodes(Element x) {
197 List<String> codes = new ArrayList<>();
198 if (x != null) {
199 for (Element child : x.getChildren()) {
200 if (child.getName().equals("status")) {
201 String code = child.getAttribute("code");
202 if (code != null) {
203 codes.add(code);
204 }
205 }
206 }
207 }
208 return codes;
209 }
210
211 public void parseContactPresence(final PresencePacket packet, final Account account) {
212 final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
213 final Jid from = packet.getFrom();
214 if (from == null || from.equals(account.getJid())) {
215 return;
216 }
217 final String type = packet.getAttribute("type");
218 final Contact contact = account.getRoster().getContact(from);
219 if (type == null) {
220 final String resource = from.isBareJid() ? "" : from.getResource();
221 if (contact.setPresenceName(packet.findChildContent("nick", Namespace.NICK))) {
222 mXmppConnectionService.getAvatarService().clear(contact);
223 }
224 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
225 if (avatar != null && (!contact.isSelf() || account.getAvatar() == null)) {
226 avatar.owner = from.asBareJid();
227 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
228 if (avatar.owner.equals(account.getJid().asBareJid())) {
229 account.setAvatar(avatar.getFilename());
230 mXmppConnectionService.databaseBackend.updateAccount(account);
231 mXmppConnectionService.getAvatarService().clear(account);
232 mXmppConnectionService.updateConversationUi();
233 mXmppConnectionService.updateAccountUi();
234 } else if (contact.setAvatar(avatar)) {
235 mXmppConnectionService.getAvatarService().clear(contact);
236 mXmppConnectionService.updateConversationUi();
237 mXmppConnectionService.updateRosterUi();
238 }
239 } else if (mXmppConnectionService.isDataSaverDisabled()){
240 mXmppConnectionService.fetchAvatar(account, avatar);
241 }
242 }
243 int sizeBefore = contact.getPresences().size();
244
245 final String show = packet.findChildContent("show");
246 final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
247 final String message = packet.findChildContent("status");
248 final Presence presence = Presence.parse(show, caps, message);
249 contact.updatePresence(resource, presence);
250 if (presence.hasCaps()) {
251 mXmppConnectionService.fetchCaps(account, from, presence);
252 }
253
254 final Element idle = packet.findChild("idle", Namespace.IDLE);
255 if (idle != null) {
256 try {
257 final String since = idle.getAttribute("since");
258 contact.setLastseen(AbstractParser.parseTimestamp(since));
259 contact.flagInactive();
260 } catch (Throwable throwable) {
261 if (contact.setLastseen(AbstractParser.parseTimestamp(packet))) {
262 contact.flagActive();
263 }
264 }
265 } else {
266 if (contact.setLastseen(AbstractParser.parseTimestamp(packet))) {
267 contact.flagActive();
268 }
269 }
270
271 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
272 Element x = packet.findChild("x", "jabber:x:signed");
273 if (pgp != null && x != null) {
274 Element status = packet.findChild("status");
275 String msg = status != null ? status.getContent() : "";
276 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
277 }
278 boolean online = sizeBefore < contact.getPresences().size();
279 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
280 } else if (type.equals("unavailable")) {
281 if (contact.setLastseen(AbstractParser.parseTimestamp(packet,0L,true))) {
282 contact.flagInactive();
283 }
284 if (from.isBareJid()) {
285 contact.clearPresences();
286 } else {
287 contact.removePresence(from.getResource());
288 }
289 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
290 } else if (type.equals("subscribe")) {
291 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
292 mXmppConnectionService.sendPresencePacket(account,
293 mPresenceGenerator.sendPresenceUpdatesTo(contact));
294 } else {
295 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
296 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
297 account, contact.getJid().asBareJid(), false, false);
298 final String statusMessage = packet.findChildContent("status");
299 if (statusMessage != null
300 && !statusMessage.isEmpty()
301 && conversation.countMessages() == 0) {
302 conversation.add(new Message(
303 conversation,
304 statusMessage,
305 Message.ENCRYPTION_NONE,
306 Message.STATUS_RECEIVED
307 ));
308 }
309 }
310 }
311 mXmppConnectionService.updateRosterUi();
312 }
313
314 @Override
315 public void onPresencePacketReceived(Account account, PresencePacket packet) {
316 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
317 this.parseConferencePresence(packet, account);
318 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
319 this.parseConferencePresence(packet, account);
320 } else {
321 this.parseContactPresence(packet, account);
322 }
323 }
324}