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