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.Contact;
15import eu.siacs.conversations.entities.Conversation;
16import eu.siacs.conversations.entities.Message;
17import eu.siacs.conversations.entities.MucOptions;
18import eu.siacs.conversations.entities.Presence;
19import eu.siacs.conversations.generator.IqGenerator;
20import eu.siacs.conversations.generator.PresenceGenerator;
21import eu.siacs.conversations.services.XmppConnectionService;
22import eu.siacs.conversations.xml.Element;
23import eu.siacs.conversations.xml.Namespace;
24import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
25import eu.siacs.conversations.xmpp.jid.Jid;
26import eu.siacs.conversations.xmpp.pep.Avatar;
27import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
28
29public class PresenceParser extends AbstractParser implements
30 OnPresencePacketReceived {
31
32 public PresenceParser(XmppConnectionService service) {
33 super(service);
34 }
35
36 public void parseConferencePresence(PresencePacket packet, Account account) {
37 final Conversation conversation = packet.getFrom() == null ? null : mXmppConnectionService.find(account, packet.getFrom().toBareJid());
38 if (conversation != null) {
39 final MucOptions mucOptions = conversation.getMucOptions();
40 boolean before = mucOptions.online();
41 int count = mucOptions.getUserCount();
42 final List<MucOptions.User> tileUserBefore = mucOptions.getUsers(5);
43 processConferencePresence(packet, conversation);
44 final List<MucOptions.User> tileUserAfter = mucOptions.getUsers(5);
45 if (!tileUserAfter.equals(tileUserBefore)) {
46 mXmppConnectionService.getAvatarService().clear(mucOptions);
47 }
48 if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUserCount())) {
49 mXmppConnectionService.updateConversationUi();
50 } else if (mucOptions.online()) {
51 mXmppConnectionService.updateMucRosterUi();
52 }
53 }
54 }
55
56 private void processConferencePresence(PresencePacket packet, Conversation conversation) {
57 MucOptions mucOptions = conversation.getMucOptions();
58 final Jid jid = conversation.getAccount().getJid();
59 final Jid from = packet.getFrom();
60 if (!from.isBareJid()) {
61 final String type = packet.getAttribute("type");
62 final Element x = packet.findChild("x", "http://jabber.org/protocol/muc#user");
63 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
64 final List<String> codes = getStatusCodes(x);
65 if (type == null) {
66 if (x != null) {
67 Element item = x.findChild("item");
68 if (item != null && !from.isBareJid()) {
69 mucOptions.setError(MucOptions.Error.NONE);
70 MucOptions.User user = parseItem(conversation, item, from);
71 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE)
72 || ((codes.isEmpty() || 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 invokeRenameListener(mucOptions, true);
78 }
79 boolean isNew = mucOptions.updateUser(user);
80 final AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
81 if (isNew && user.getRealJid() != null && mucOptions.isPrivateAndNonAnonymous() && axolotlService.hasEmptyDeviceList(user.getRealJid())) {
82 axolotlService.fetchDeviceIds(user.getRealJid());
83 }
84 if (codes.contains(MucOptions.STATUS_CODE_ROOM_CREATED) && mucOptions.autoPushConfiguration()) {
85 Log.d(Config.LOGTAG,mucOptions.getAccount().getJid().toBareJid()
86 +": room '"
87 +mucOptions.getConversation().getJid().toBareJid()
88 +"' created. pushing default configuration");
89 mXmppConnectionService.pushConferenceConfiguration(mucOptions.getConversation(),
90 IqGenerator.defaultRoomConfiguration(),
91 null);
92 }
93 if (mXmppConnectionService.getPgpEngine() != null) {
94 Element signed = packet.findChild("x", "jabber:x:signed");
95 if (signed != null) {
96 Element status = packet.findChild("status");
97 String msg = status == null ? "" : status.getContent();
98 long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
99 if (keyId != 0) {
100 user.setPgpKeyId(keyId);
101 }
102 }
103 }
104 if (avatar != null) {
105 avatar.owner = from;
106 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
107 if (user.setAvatar(avatar)) {
108 mXmppConnectionService.getAvatarService().clear(user);
109 }
110 } else if (mXmppConnectionService.isDataSaverDisabled()) {
111 mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
112 }
113 }
114 }
115 }
116 } else if (type.equals("unavailable")) {
117 if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN) && from.equals(mucOptions.getSelf().getFullJid())) {
118 mucOptions.setError(MucOptions.Error.SHUTDOWN);
119 } else if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE)) {
120 if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
121 mucOptions.setError(MucOptions.Error.KICKED);
122 } else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
123 mucOptions.setError(MucOptions.Error.BANNED);
124 } else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) {
125 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
126 } else if (codes.contains(MucOptions.STATUS_CODE_AFFILIATION_CHANGE)) {
127 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
128 } else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN)) {
129 mucOptions.setError(MucOptions.Error.SHUTDOWN);
130 } else if (!codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
131 mucOptions.setError(MucOptions.Error.UNKNOWN);
132 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
133 }
134 } else if (!from.isBareJid()){
135 Element item = x.findChild("item");
136 if (item != null) {
137 mucOptions.updateUser(parseItem(conversation, item, from));
138 }
139 MucOptions.User user = mucOptions.deleteUser(from);
140 if (user != null) {
141 mXmppConnectionService.getAvatarService().clear(user);
142 }
143 }
144 } else if (type.equals("error")) {
145 final Element error = packet.findChild("error");
146 if (error == null) {
147 return;
148 }
149 if (error.hasChild("conflict")) {
150 if (mucOptions.online()) {
151 invokeRenameListener(mucOptions, false);
152 } else {
153 mucOptions.setError(MucOptions.Error.NICK_IN_USE);
154 }
155 } else if (error.hasChild("not-authorized")) {
156 mucOptions.setError(MucOptions.Error.PASSWORD_REQUIRED);
157 } else if (error.hasChild("forbidden")) {
158 mucOptions.setError(MucOptions.Error.BANNED);
159 } else if (error.hasChild("registration-required")) {
160 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
161 } else {
162 final String text = error.findChildContent("text");
163 if (text != null && text.contains("attribute 'to'")) {
164 if (mucOptions.online()) {
165 invokeRenameListener(mucOptions, false);
166 } else {
167 mucOptions.setError(MucOptions.Error.INVALID_NICK);
168 }
169 } else {
170 mucOptions.setError(MucOptions.Error.UNKNOWN);
171 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
172 }
173 }
174 }
175 }
176 }
177
178 private static void invokeRenameListener(final MucOptions options, boolean success) {
179 if (options.onRenameListener != null) {
180 if (success) {
181 options.onRenameListener.onSuccess();
182 } else {
183 options.onRenameListener.onFailure();
184 }
185 options.onRenameListener = null;
186 }
187 }
188
189 private static List<String> getStatusCodes(Element x) {
190 List<String> codes = new ArrayList<>();
191 if (x != null) {
192 for (Element child : x.getChildren()) {
193 if (child.getName().equals("status")) {
194 String code = child.getAttribute("code");
195 if (code != null) {
196 codes.add(code);
197 }
198 }
199 }
200 }
201 return codes;
202 }
203
204 public void parseContactPresence(final PresencePacket packet, final Account account) {
205 final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
206 final Jid from = packet.getFrom();
207 if (from == null || from.equals(account.getJid())) {
208 return;
209 }
210 final String type = packet.getAttribute("type");
211 final Contact contact = account.getRoster().getContact(from);
212 if (type == null) {
213 final String resource = from.isBareJid() ? "" : from.getResourcepart();
214 if (contact.setPresenceName(packet.findChildContent("nick", Namespace.NICK))) {
215 mXmppConnectionService.getAvatarService().clear(contact);
216 }
217 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
218 if (avatar != null && (!contact.isSelf() || account.getAvatar() == null)) {
219 avatar.owner = from.toBareJid();
220 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
221 if (avatar.owner.equals(account.getJid().toBareJid())) {
222 account.setAvatar(avatar.getFilename());
223 mXmppConnectionService.databaseBackend.updateAccount(account);
224 mXmppConnectionService.getAvatarService().clear(account);
225 mXmppConnectionService.updateConversationUi();
226 mXmppConnectionService.updateAccountUi();
227 } else if (contact.setAvatar(avatar)) {
228 mXmppConnectionService.getAvatarService().clear(contact);
229 mXmppConnectionService.updateConversationUi();
230 mXmppConnectionService.updateRosterUi();
231 }
232 } else if (mXmppConnectionService.isDataSaverDisabled()){
233 mXmppConnectionService.fetchAvatar(account, avatar);
234 }
235 }
236 int sizeBefore = contact.getPresences().size();
237
238 final String show = packet.findChildContent("show");
239 final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
240 final String message = packet.findChildContent("status");
241 final Presence presence = Presence.parse(show, caps, message);
242 contact.updatePresence(resource, presence);
243 if (presence.hasCaps()) {
244 mXmppConnectionService.fetchCaps(account, from, presence);
245 }
246
247 final Element idle = packet.findChild("idle", Namespace.IDLE);
248 if (idle != null) {
249 try {
250 final String since = idle.getAttribute("since");
251 contact.setLastseen(AbstractParser.parseTimestamp(since));
252 contact.flagInactive();
253 } catch (Throwable throwable) {
254 if (contact.setLastseen(AbstractParser.parseTimestamp(packet))) {
255 contact.flagActive();
256 }
257 }
258 } else {
259 if (contact.setLastseen(AbstractParser.parseTimestamp(packet))) {
260 contact.flagActive();
261 }
262 }
263
264 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
265 Element x = packet.findChild("x", "jabber:x:signed");
266 if (pgp != null && x != null) {
267 Element status = packet.findChild("status");
268 String msg = status != null ? status.getContent() : "";
269 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
270 }
271 boolean online = sizeBefore < contact.getPresences().size();
272 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
273 } else if (type.equals("unavailable")) {
274 if (contact.setLastseen(AbstractParser.parseTimestamp(packet,0L,true))) {
275 contact.flagInactive();
276 }
277 if (from.isBareJid()) {
278 contact.clearPresences();
279 } else {
280 contact.removePresence(from.getResourcepart());
281 }
282 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
283 } else if (type.equals("subscribe")) {
284 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
285 mXmppConnectionService.sendPresencePacket(account,
286 mPresenceGenerator.sendPresenceUpdatesTo(contact));
287 } else {
288 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
289 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
290 account, contact.getJid().toBareJid(), false, false);
291 final String statusMessage = packet.findChildContent("status");
292 if (statusMessage != null
293 && !statusMessage.isEmpty()
294 && conversation.countMessages() == 0) {
295 conversation.add(new Message(
296 conversation,
297 statusMessage,
298 Message.ENCRYPTION_NONE,
299 Message.STATUS_RECEIVED
300 ));
301 }
302 }
303 }
304 mXmppConnectionService.updateRosterUi();
305 }
306
307 @Override
308 public void onPresencePacketReceived(Account account, PresencePacket packet) {
309 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
310 this.parseConferencePresence(packet, account);
311 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
312 this.parseConferencePresence(packet, account);
313 } else {
314 this.parseContactPresence(packet, account);
315 }
316 }
317}