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)) {
69 mucOptions.setOnline();
70 mucOptions.setSelf(user);
71 if (mucOptions.onRenameListener != null) {
72 mucOptions.onRenameListener.onSuccess();
73 mucOptions.onRenameListener = null;
74 }
75 }
76 mucOptions.updateUser(user);
77 if (codes.contains(MucOptions.STATUS_CODE_ROOM_CREATED) && mucOptions.autoPushConfiguration()) {
78 Log.d(Config.LOGTAG,mucOptions.getAccount().getJid().toBareJid()
79 +": room '"
80 +mucOptions.getConversation().getJid().toBareJid()
81 +"' created. pushing default configuration");
82 mXmppConnectionService.pushConferenceConfiguration(mucOptions.getConversation(),
83 IqGenerator.defaultRoomConfiguration(),
84 null);
85 }
86 if (mXmppConnectionService.getPgpEngine() != null) {
87 Element signed = packet.findChild("x", "jabber:x:signed");
88 if (signed != null) {
89 Element status = packet.findChild("status");
90 String msg = status == null ? "" : status.getContent();
91 long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
92 if (keyId != 0) {
93 user.setPgpKeyId(keyId);
94 }
95 }
96 }
97 if (avatar != null) {
98 avatar.owner = from;
99 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
100 if (user.setAvatar(avatar)) {
101 mXmppConnectionService.getAvatarService().clear(user);
102 }
103 } else if (mXmppConnectionService.isDataSaverDisabled()) {
104 mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
105 }
106 }
107 }
108 }
109 } else if (type.equals("unavailable")) {
110 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) ||
111 packet.getFrom().equals(mucOptions.getConversation().getJid())) {
112 if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
113 mucOptions.setError(MucOptions.Error.KICKED);
114 } else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
115 mucOptions.setError(MucOptions.Error.BANNED);
116 } else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) {
117 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
118 } else if (codes.contains(MucOptions.STATUS_CODE_AFFILIATION_CHANGE)) {
119 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
120 } else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN)) {
121 mucOptions.setError(MucOptions.Error.SHUTDOWN);
122 } else if (!codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
123 mucOptions.setError(MucOptions.Error.UNKNOWN);
124 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
125 }
126 } else if (!from.isBareJid()){
127 Element item = x.findChild("item");
128 if (item != null) {
129 mucOptions.updateUser(parseItem(conversation, item, from));
130 }
131 MucOptions.User user = mucOptions.deleteUser(from);
132 if (user != null) {
133 mXmppConnectionService.getAvatarService().clear(user);
134 }
135 }
136 } else if (type.equals("error")) {
137 Element error = packet.findChild("error");
138 if (error != null && error.hasChild("conflict")) {
139 if (mucOptions.online()) {
140 if (mucOptions.onRenameListener != null) {
141 mucOptions.onRenameListener.onFailure();
142 mucOptions.onRenameListener = null;
143 }
144 } else {
145 mucOptions.setError(MucOptions.Error.NICK_IN_USE);
146 }
147 } else if (error != null && error.hasChild("not-authorized")) {
148 mucOptions.setError(MucOptions.Error.PASSWORD_REQUIRED);
149 } else if (error != null && error.hasChild("forbidden")) {
150 mucOptions.setError(MucOptions.Error.BANNED);
151 } else if (error != null && error.hasChild("registration-required")) {
152 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
153 }
154 }
155 }
156 }
157
158 private static List<String> getStatusCodes(Element x) {
159 List<String> codes = new ArrayList<>();
160 if (x != null) {
161 for (Element child : x.getChildren()) {
162 if (child.getName().equals("status")) {
163 String code = child.getAttribute("code");
164 if (code != null) {
165 codes.add(code);
166 }
167 }
168 }
169 }
170 return codes;
171 }
172
173 public void parseContactPresence(final PresencePacket packet, final Account account) {
174 final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
175 final Jid from = packet.getFrom();
176 if (from == null || from.equals(account.getJid())) {
177 return;
178 }
179 final String type = packet.getAttribute("type");
180 final Contact contact = account.getRoster().getContact(from);
181 if (type == null) {
182 final String resource = from.isBareJid() ? "" : from.getResourcepart();
183 contact.setPresenceName(packet.findChildContent("nick", "http://jabber.org/protocol/nick"));
184 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
185 if (avatar != null && (!contact.isSelf() || account.getAvatar() == null)) {
186 avatar.owner = from.toBareJid();
187 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
188 if (avatar.owner.equals(account.getJid().toBareJid())) {
189 account.setAvatar(avatar.getFilename());
190 mXmppConnectionService.databaseBackend.updateAccount(account);
191 mXmppConnectionService.getAvatarService().clear(account);
192 mXmppConnectionService.updateConversationUi();
193 mXmppConnectionService.updateAccountUi();
194 } else if (contact.setAvatar(avatar)) {
195 mXmppConnectionService.getAvatarService().clear(contact);
196 mXmppConnectionService.updateConversationUi();
197 mXmppConnectionService.updateRosterUi();
198 }
199 } else if (mXmppConnectionService.isDataSaverDisabled()){
200 mXmppConnectionService.fetchAvatar(account, avatar);
201 }
202 }
203 int sizeBefore = contact.getPresences().size();
204
205 final String show = packet.findChildContent("show");
206 final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
207 final String message = packet.findChildContent("status");
208 final Presence presence = Presence.parse(show, caps, message);
209 contact.updatePresence(resource, presence);
210 if (presence.hasCaps()) {
211 mXmppConnectionService.fetchCaps(account, from, presence);
212 }
213
214 final Element idle = packet.findChild("idle","urn:xmpp:idle:1");
215 if (idle != null) {
216 contact.flagInactive();
217 String since = idle.getAttribute("since");
218 try {
219 contact.setLastseen(AbstractParser.parseTimestamp(since));
220 } catch (NullPointerException | ParseException e) {
221 contact.setLastseen(System.currentTimeMillis());
222 }
223 } else {
224 contact.flagActive();
225 contact.setLastseen(AbstractParser.parseTimestamp(packet));
226 }
227
228 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
229 Element x = packet.findChild("x", "jabber:x:signed");
230 if (pgp != null && x != null) {
231 Element status = packet.findChild("status");
232 String msg = status != null ? status.getContent() : "";
233 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
234 }
235 boolean online = sizeBefore < contact.getPresences().size();
236 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
237 } else if (type.equals("unavailable")) {
238 if (from.isBareJid()) {
239 contact.clearPresences();
240 } else {
241 contact.removePresence(from.getResourcepart());
242 }
243 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
244 } else if (type.equals("subscribe")) {
245 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
246 mXmppConnectionService.sendPresencePacket(account,
247 mPresenceGenerator.sendPresenceUpdatesTo(contact));
248 } else {
249 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
250 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
251 account, contact.getJid().toBareJid(), false);
252 final String statusMessage = packet.findChildContent("status");
253 if (statusMessage != null
254 && !statusMessage.isEmpty()
255 && conversation.countMessages() == 0) {
256 conversation.add(new Message(
257 conversation,
258 statusMessage,
259 Message.ENCRYPTION_NONE,
260 Message.STATUS_RECEIVED
261 ));
262 }
263 }
264 }
265 mXmppConnectionService.updateRosterUi();
266 }
267
268 @Override
269 public void onPresencePacketReceived(Account account, PresencePacket packet) {
270 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
271 this.parseConferencePresence(packet, account);
272 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
273 this.parseConferencePresence(packet, account);
274 } else {
275 this.parseContactPresence(packet, account);
276 }
277 }
278
279}