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