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)
73 || ((codes.isEmpty() || codes.contains(MucOptions.STATUS_CODE_ROOM_CREATED)) && jid.equals(item.getAttributeAsJid("jid")))) {
74 if (mucOptions.setOnline()) {
75 mXmppConnectionService.getAvatarService().clear(mucOptions);
76 }
77 mucOptions.setSelf(user);
78
79 mXmppConnectionService.persistSelfNick(user);
80
81 invokeRenameListener(mucOptions, true);
82 }
83 boolean isNew = mucOptions.updateUser(user);
84 final AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
85 if (isNew && user.getRealJid() != null && mucOptions.isPrivateAndNonAnonymous() && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
86 axolotlService.fetchDeviceIds(user.getRealJid());
87 }
88 if (codes.contains(MucOptions.STATUS_CODE_ROOM_CREATED) && mucOptions.autoPushConfiguration()) {
89 Log.d(Config.LOGTAG,mucOptions.getAccount().getJid().toBareJid()
90 +": room '"
91 +mucOptions.getConversation().getJid().toBareJid()
92 +"' created. pushing default configuration");
93 mXmppConnectionService.pushConferenceConfiguration(mucOptions.getConversation(),
94 IqGenerator.defaultRoomConfiguration(),
95 null);
96 }
97 if (mXmppConnectionService.getPgpEngine() != null) {
98 Element signed = packet.findChild("x", "jabber:x:signed");
99 if (signed != null) {
100 Element status = packet.findChild("status");
101 String msg = status == null ? "" : status.getContent();
102 long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
103 if (keyId != 0) {
104 user.setPgpKeyId(keyId);
105 }
106 }
107 }
108 if (avatar != null) {
109 avatar.owner = from;
110 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
111 if (user.setAvatar(avatar)) {
112 mXmppConnectionService.getAvatarService().clear(user);
113 }
114 } else if (mXmppConnectionService.isDataSaverDisabled()) {
115 mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
116 }
117 }
118 }
119 }
120 } else if (type.equals("unavailable")) {
121 if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN) && from.equals(mucOptions.getSelf().getFullJid())) {
122 mucOptions.setError(MucOptions.Error.SHUTDOWN);
123 } else if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE)) {
124 if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
125 mucOptions.setError(MucOptions.Error.KICKED);
126 } else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
127 mucOptions.setError(MucOptions.Error.BANNED);
128 } else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) {
129 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
130 } else if (codes.contains(MucOptions.STATUS_CODE_AFFILIATION_CHANGE)) {
131 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
132 } else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN)) {
133 mucOptions.setError(MucOptions.Error.SHUTDOWN);
134 } else if (!codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
135 mucOptions.setError(MucOptions.Error.UNKNOWN);
136 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
137 }
138 } else if (!from.isBareJid()){
139 Element item = x.findChild("item");
140 if (item != null) {
141 mucOptions.updateUser(parseItem(conversation, item, from));
142 }
143 MucOptions.User user = mucOptions.deleteUser(from);
144 if (user != null) {
145 mXmppConnectionService.getAvatarService().clear(user);
146 }
147 }
148 } else if (type.equals("error")) {
149 final Element error = packet.findChild("error");
150 if (error == null) {
151 return;
152 }
153 if (error.hasChild("conflict")) {
154 if (mucOptions.online()) {
155 invokeRenameListener(mucOptions, false);
156 } else {
157 mucOptions.setError(MucOptions.Error.NICK_IN_USE);
158 }
159 } else if (error.hasChild("not-authorized")) {
160 mucOptions.setError(MucOptions.Error.PASSWORD_REQUIRED);
161 } else if (error.hasChild("forbidden")) {
162 mucOptions.setError(MucOptions.Error.BANNED);
163 } else if (error.hasChild("registration-required")) {
164 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
165 } else {
166 final String text = error.findChildContent("text");
167 if (text != null && text.contains("attribute 'to'")) {
168 if (mucOptions.online()) {
169 invokeRenameListener(mucOptions, false);
170 } else {
171 mucOptions.setError(MucOptions.Error.INVALID_NICK);
172 }
173 } else {
174 mucOptions.setError(MucOptions.Error.UNKNOWN);
175 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
176 }
177 }
178 }
179 }
180 }
181
182 private static void invokeRenameListener(final MucOptions options, boolean success) {
183 if (options.onRenameListener != null) {
184 if (success) {
185 options.onRenameListener.onSuccess();
186 } else {
187 options.onRenameListener.onFailure();
188 }
189 options.onRenameListener = null;
190 }
191 }
192
193 private static List<String> getStatusCodes(Element x) {
194 List<String> codes = new ArrayList<>();
195 if (x != null) {
196 for (Element child : x.getChildren()) {
197 if (child.getName().equals("status")) {
198 String code = child.getAttribute("code");
199 if (code != null) {
200 codes.add(code);
201 }
202 }
203 }
204 }
205 return codes;
206 }
207
208 public void parseContactPresence(final PresencePacket packet, final Account account) {
209 final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
210 final Jid from = packet.getFrom();
211 if (from == null || from.equals(account.getJid())) {
212 return;
213 }
214 final String type = packet.getAttribute("type");
215 final Contact contact = account.getRoster().getContact(from);
216 if (type == null) {
217 final String resource = from.isBareJid() ? "" : from.getResourcepart();
218 if (contact.setPresenceName(packet.findChildContent("nick", Namespace.NICK))) {
219 mXmppConnectionService.getAvatarService().clear(contact);
220 }
221 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
222 if (avatar != null && (!contact.isSelf() || account.getAvatar() == null)) {
223 avatar.owner = from.toBareJid();
224 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
225 if (avatar.owner.equals(account.getJid().toBareJid())) {
226 account.setAvatar(avatar.getFilename());
227 mXmppConnectionService.databaseBackend.updateAccount(account);
228 mXmppConnectionService.getAvatarService().clear(account);
229 mXmppConnectionService.updateConversationUi();
230 mXmppConnectionService.updateAccountUi();
231 } else if (contact.setAvatar(avatar)) {
232 mXmppConnectionService.getAvatarService().clear(contact);
233 mXmppConnectionService.updateConversationUi();
234 mXmppConnectionService.updateRosterUi();
235 }
236 } else if (mXmppConnectionService.isDataSaverDisabled()){
237 mXmppConnectionService.fetchAvatar(account, avatar);
238 }
239 }
240 int sizeBefore = contact.getPresences().size();
241
242 final String show = packet.findChildContent("show");
243 final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
244 final String message = packet.findChildContent("status");
245 final Presence presence = Presence.parse(show, caps, message);
246 contact.updatePresence(resource, presence);
247 if (presence.hasCaps()) {
248 mXmppConnectionService.fetchCaps(account, from, presence);
249 }
250
251 final Element idle = packet.findChild("idle", Namespace.IDLE);
252 if (idle != null) {
253 try {
254 final String since = idle.getAttribute("since");
255 contact.setLastseen(AbstractParser.parseTimestamp(since));
256 contact.flagInactive();
257 } catch (Throwable throwable) {
258 if (contact.setLastseen(AbstractParser.parseTimestamp(packet))) {
259 contact.flagActive();
260 }
261 }
262 } else {
263 if (contact.setLastseen(AbstractParser.parseTimestamp(packet))) {
264 contact.flagActive();
265 }
266 }
267
268 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
269 Element x = packet.findChild("x", "jabber:x:signed");
270 if (pgp != null && x != null) {
271 Element status = packet.findChild("status");
272 String msg = status != null ? status.getContent() : "";
273 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
274 }
275 boolean online = sizeBefore < contact.getPresences().size();
276 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
277 } else if (type.equals("unavailable")) {
278 if (contact.setLastseen(AbstractParser.parseTimestamp(packet,0L,true))) {
279 contact.flagInactive();
280 }
281 if (from.isBareJid()) {
282 contact.clearPresences();
283 } else {
284 contact.removePresence(from.getResourcepart());
285 }
286 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
287 } else if (type.equals("subscribe")) {
288 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
289 mXmppConnectionService.sendPresencePacket(account,
290 mPresenceGenerator.sendPresenceUpdatesTo(contact));
291 } else {
292 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
293 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
294 account, contact.getJid().toBareJid(), false, false);
295 final String statusMessage = packet.findChildContent("status");
296 if (statusMessage != null
297 && !statusMessage.isEmpty()
298 && conversation.countMessages() == 0) {
299 conversation.add(new Message(
300 conversation,
301 statusMessage,
302 Message.ENCRYPTION_NONE,
303 Message.STATUS_RECEIVED
304 ));
305 }
306 }
307 }
308 mXmppConnectionService.updateRosterUi();
309 }
310
311 @Override
312 public void onPresencePacketReceived(Account account, PresencePacket packet) {
313 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
314 this.parseConferencePresence(packet, account);
315 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
316 this.parseConferencePresence(packet, account);
317 } else {
318 this.parseContactPresence(packet, account);
319 }
320 }
321}