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.entities.Account;
13import eu.siacs.conversations.entities.Contact;
14import eu.siacs.conversations.entities.Conversation;
15import eu.siacs.conversations.entities.Message;
16import eu.siacs.conversations.entities.MucOptions;
17import eu.siacs.conversations.entities.Presence;
18import eu.siacs.conversations.generator.IqGenerator;
19import eu.siacs.conversations.generator.PresenceGenerator;
20import eu.siacs.conversations.services.XmppConnectionService;
21import eu.siacs.conversations.xml.Element;
22import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
23import eu.siacs.conversations.xmpp.jid.Jid;
24import eu.siacs.conversations.xmpp.pep.Avatar;
25import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
26
27public class PresenceParser extends AbstractParser implements
28 OnPresencePacketReceived {
29
30 public PresenceParser(XmppConnectionService service) {
31 super(service);
32 }
33
34 public void parseConferencePresence(PresencePacket packet, Account account) {
35 final Conversation conversation = packet.getFrom() == null ? null : mXmppConnectionService.find(account, packet.getFrom().toBareJid());
36 if (conversation != null) {
37 final MucOptions mucOptions = conversation.getMucOptions();
38 boolean before = mucOptions.online();
39 int count = mucOptions.getUserCount();
40 final List<MucOptions.User> tileUserBefore = mucOptions.getUsers(5);
41 processConferencePresence(packet, conversation);
42 final List<MucOptions.User> tileUserAfter = mucOptions.getUsers(5);
43 if (!tileUserAfter.equals(tileUserBefore)) {
44 mXmppConnectionService.getAvatarService().clear(mucOptions);
45 }
46 if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUserCount())) {
47 mXmppConnectionService.updateConversationUi();
48 } else if (mucOptions.online()) {
49 mXmppConnectionService.updateMucRosterUi();
50 }
51 }
52 }
53
54 private void processConferencePresence(PresencePacket packet, Conversation conversation) {
55 MucOptions mucOptions = conversation.getMucOptions();
56 final Jid from = packet.getFrom();
57 if (!from.isBareJid()) {
58 final String type = packet.getAttribute("type");
59 final Element x = packet.findChild("x", "http://jabber.org/protocol/muc#user");
60 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
61 final List<String> codes = getStatusCodes(x);
62 if (type == null) {
63 if (x != null) {
64 Element item = x.findChild("item");
65 if (item != null && !from.isBareJid()) {
66 mucOptions.setError(MucOptions.Error.NONE);
67 MucOptions.User user = parseItem(conversation, item, from);
68 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) || packet.getFrom().equals(mucOptions.getConversation().getJid())) {
69 mucOptions.setOnline();
70 mucOptions.setSelf(user);
71 if (mucOptions.mNickChangingInProgress) {
72 if (mucOptions.onRenameListener != null) {
73 mucOptions.onRenameListener.onSuccess();
74 }
75 mucOptions.mNickChangingInProgress = false;
76 }
77 } else {
78 mucOptions.updateUser(user);
79 }
80 if (codes.contains(MucOptions.STATUS_CODE_ROOM_CREATED) && mucOptions.autoPushConfiguration()) {
81 Log.d(Config.LOGTAG,mucOptions.getAccount().getJid().toBareJid()
82 +": room '"
83 +mucOptions.getConversation().getJid().toBareJid()
84 +"' created. pushing default configuration");
85 mXmppConnectionService.pushConferenceConfiguration(mucOptions.getConversation(),
86 IqGenerator.defaultRoomConfiguration(),
87 null);
88 }
89 if (mXmppConnectionService.getPgpEngine() != null) {
90 Element signed = packet.findChild("x", "jabber:x:signed");
91 if (signed != null) {
92 Element status = packet.findChild("status");
93 String msg = status == null ? "" : status.getContent();
94 long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
95 if (keyId != 0) {
96 user.setPgpKeyId(keyId);
97 }
98 }
99 }
100 if (avatar != null) {
101 avatar.owner = from;
102 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
103 if (user.setAvatar(avatar)) {
104 mXmppConnectionService.getAvatarService().clear(user);
105 }
106 } else if (mXmppConnectionService.isDataSaverDisabled()) {
107 mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
108 }
109 }
110 }
111 }
112 } else if (type.equals("unavailable")) {
113 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) ||
114 packet.getFrom().equals(mucOptions.getConversation().getJid())) {
115 if (codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
116 mucOptions.mNickChangingInProgress = true;
117 } else if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
118 mucOptions.setError(MucOptions.Error.KICKED);
119 } else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
120 mucOptions.setError(MucOptions.Error.BANNED);
121 } else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) {
122 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
123 } else if (codes.contains(MucOptions.STATUS_CODE_AFFILIATION_CHANGE)) {
124 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
125 } else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN)) {
126 mucOptions.setError(MucOptions.Error.SHUTDOWN);
127 } else {
128 mucOptions.setError(MucOptions.Error.UNKNOWN);
129 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
130 }
131 } else if (!from.isBareJid()){
132 Element item = x.findChild("item");
133 if (item != null) {
134 mucOptions.updateUser(parseItem(conversation, item, from));
135 }
136 MucOptions.User user = mucOptions.deleteUser(from);
137 if (user != null) {
138 mXmppConnectionService.getAvatarService().clear(user);
139 }
140 }
141 } else if (type.equals("error")) {
142 Element error = packet.findChild("error");
143 if (error != null && error.hasChild("conflict")) {
144 if (mucOptions.online()) {
145 if (mucOptions.onRenameListener != null) {
146 mucOptions.onRenameListener.onFailure();
147 }
148 } else {
149 mucOptions.setError(MucOptions.Error.NICK_IN_USE);
150 }
151 } else if (error != null && error.hasChild("not-authorized")) {
152 mucOptions.setError(MucOptions.Error.PASSWORD_REQUIRED);
153 } else if (error != null && error.hasChild("forbidden")) {
154 mucOptions.setError(MucOptions.Error.BANNED);
155 } else if (error != null && error.hasChild("registration-required")) {
156 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
157 }
158 }
159 }
160 }
161
162 private static List<String> getStatusCodes(Element x) {
163 List<String> codes = new ArrayList<>();
164 if (x != null) {
165 for (Element child : x.getChildren()) {
166 if (child.getName().equals("status")) {
167 String code = child.getAttribute("code");
168 if (code != null) {
169 codes.add(code);
170 }
171 }
172 }
173 }
174 return codes;
175 }
176
177 public void parseContactPresence(final PresencePacket packet, final Account account) {
178 final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
179 final Jid from = packet.getFrom();
180 if (from == null || from.equals(account.getJid())) {
181 return;
182 }
183 final String type = packet.getAttribute("type");
184 final Contact contact = account.getRoster().getContact(from);
185 if (type == null) {
186 final String resource = from.isBareJid() ? "" : from.getResourcepart();
187 contact.setPresenceName(packet.findChildContent("nick", "http://jabber.org/protocol/nick"));
188 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
189 if (avatar != null && (!contact.isSelf() || account.getAvatar() == null)) {
190 avatar.owner = from.toBareJid();
191 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
192 if (avatar.owner.equals(account.getJid().toBareJid())) {
193 account.setAvatar(avatar.getFilename());
194 mXmppConnectionService.databaseBackend.updateAccount(account);
195 mXmppConnectionService.getAvatarService().clear(account);
196 mXmppConnectionService.updateConversationUi();
197 mXmppConnectionService.updateAccountUi();
198 } else if (contact.setAvatar(avatar)) {
199 mXmppConnectionService.getAvatarService().clear(contact);
200 mXmppConnectionService.updateConversationUi();
201 mXmppConnectionService.updateRosterUi();
202 }
203 } else if (mXmppConnectionService.isDataSaverDisabled()){
204 mXmppConnectionService.fetchAvatar(account, avatar);
205 }
206 }
207 int sizeBefore = contact.getPresences().size();
208
209 final String show = packet.findChildContent("show");
210 final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
211 final String message = packet.findChildContent("status");
212 final Presence presence = Presence.parse(show, caps, message);
213 contact.updatePresence(resource, presence);
214 if (presence.hasCaps()) {
215 mXmppConnectionService.fetchCaps(account, from, presence);
216 }
217
218 final Element idle = packet.findChild("idle","urn:xmpp:idle:1");
219 if (idle != null) {
220 contact.flagInactive();
221 String since = idle.getAttribute("since");
222 try {
223 contact.setLastseen(AbstractParser.parseTimestamp(since));
224 } catch (NullPointerException | ParseException e) {
225 contact.setLastseen(System.currentTimeMillis());
226 }
227 } else {
228 contact.flagActive();
229 contact.setLastseen(AbstractParser.parseTimestamp(packet));
230 }
231
232 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
233 Element x = packet.findChild("x", "jabber:x:signed");
234 if (pgp != null && x != null) {
235 Element status = packet.findChild("status");
236 String msg = status != null ? status.getContent() : "";
237 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
238 }
239 boolean online = sizeBefore < contact.getPresences().size();
240 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
241 } else if (type.equals("unavailable")) {
242 if (from.isBareJid()) {
243 contact.clearPresences();
244 } else {
245 contact.removePresence(from.getResourcepart());
246 }
247 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
248 } else if (type.equals("subscribe")) {
249 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
250 mXmppConnectionService.sendPresencePacket(account,
251 mPresenceGenerator.sendPresenceUpdatesTo(contact));
252 } else {
253 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
254 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
255 account, contact.getJid().toBareJid(), false);
256 final String statusMessage = packet.findChildContent("status");
257 if (statusMessage != null
258 && !statusMessage.isEmpty()
259 && conversation.countMessages() == 0) {
260 conversation.add(new Message(
261 conversation,
262 statusMessage,
263 Message.ENCRYPTION_NONE,
264 Message.STATUS_RECEIVED
265 ));
266 }
267 }
268 }
269 mXmppConnectionService.updateRosterUi();
270 }
271
272 @Override
273 public void onPresencePacketReceived(Account account, PresencePacket packet) {
274 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
275 this.parseConferencePresence(packet, account);
276 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
277 this.parseConferencePresence(packet, account);
278 } else {
279 this.parseContactPresence(packet, account);
280 }
281 }
282
283}