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.xml.Namespace;
23import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
24import eu.siacs.conversations.xmpp.jid.Jid;
25import eu.siacs.conversations.xmpp.pep.Avatar;
26import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
27
28public class PresenceParser extends AbstractParser implements
29 OnPresencePacketReceived {
30
31 public PresenceParser(XmppConnectionService service) {
32 super(service);
33 }
34
35 public void parseConferencePresence(PresencePacket packet, Account account) {
36 final Conversation conversation = packet.getFrom() == null ? null : mXmppConnectionService.find(account, packet.getFrom().toBareJid());
37 if (conversation != null) {
38 final MucOptions mucOptions = conversation.getMucOptions();
39 boolean before = mucOptions.online();
40 int count = mucOptions.getUserCount();
41 final List<MucOptions.User> tileUserBefore = mucOptions.getUsers(5);
42 processConferencePresence(packet, conversation);
43 final List<MucOptions.User> tileUserAfter = mucOptions.getUsers(5);
44 if (!tileUserAfter.equals(tileUserBefore)) {
45 mXmppConnectionService.getAvatarService().clear(mucOptions);
46 }
47 if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUserCount())) {
48 mXmppConnectionService.updateConversationUi();
49 } else if (mucOptions.online()) {
50 mXmppConnectionService.updateMucRosterUi();
51 }
52 }
53 }
54
55 private void processConferencePresence(PresencePacket packet, Conversation conversation) {
56 MucOptions mucOptions = conversation.getMucOptions();
57 final Jid from = packet.getFrom();
58 if (!from.isBareJid()) {
59 final String type = packet.getAttribute("type");
60 final Element x = packet.findChild("x", "http://jabber.org/protocol/muc#user");
61 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
62 final List<String> codes = getStatusCodes(x);
63 if (type == null) {
64 if (x != null) {
65 Element item = x.findChild("item");
66 if (item != null && !from.isBareJid()) {
67 mucOptions.setError(MucOptions.Error.NONE);
68 MucOptions.User user = parseItem(conversation, item, from);
69 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE)) {
70 mucOptions.setOnline();
71 mucOptions.setSelf(user);
72 if (mucOptions.onRenameListener != null) {
73 mucOptions.onRenameListener.onSuccess();
74 mucOptions.onRenameListener = null;
75 }
76 }
77 mucOptions.updateUser(user);
78 if (codes.contains(MucOptions.STATUS_CODE_ROOM_CREATED) && mucOptions.autoPushConfiguration()) {
79 Log.d(Config.LOGTAG,mucOptions.getAccount().getJid().toBareJid()
80 +": room '"
81 +mucOptions.getConversation().getJid().toBareJid()
82 +"' created. pushing default configuration");
83 mXmppConnectionService.pushConferenceConfiguration(mucOptions.getConversation(),
84 IqGenerator.defaultRoomConfiguration(),
85 null);
86 }
87 if (mXmppConnectionService.getPgpEngine() != null) {
88 Element signed = packet.findChild("x", "jabber:x:signed");
89 if (signed != null) {
90 Element status = packet.findChild("status");
91 String msg = status == null ? "" : status.getContent();
92 long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
93 if (keyId != 0) {
94 user.setPgpKeyId(keyId);
95 }
96 }
97 }
98 if (avatar != null) {
99 avatar.owner = from;
100 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
101 if (user.setAvatar(avatar)) {
102 mXmppConnectionService.getAvatarService().clear(user);
103 }
104 } else if (mXmppConnectionService.isDataSaverDisabled()) {
105 mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
106 }
107 }
108 }
109 }
110 } else if (type.equals("unavailable")) {
111 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) ||
112 packet.getFrom().equals(mucOptions.getConversation().getJid())) {
113 if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
114 mucOptions.setError(MucOptions.Error.KICKED);
115 } else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
116 mucOptions.setError(MucOptions.Error.BANNED);
117 } else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) {
118 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
119 } else if (codes.contains(MucOptions.STATUS_CODE_AFFILIATION_CHANGE)) {
120 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
121 } else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN)) {
122 mucOptions.setError(MucOptions.Error.SHUTDOWN);
123 } else if (!codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
124 mucOptions.setError(MucOptions.Error.UNKNOWN);
125 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
126 }
127 } else if (!from.isBareJid()){
128 Element item = x.findChild("item");
129 if (item != null) {
130 mucOptions.updateUser(parseItem(conversation, item, from));
131 }
132 MucOptions.User user = mucOptions.deleteUser(from);
133 if (user != null) {
134 mXmppConnectionService.getAvatarService().clear(user);
135 }
136 }
137 } else if (type.equals("error")) {
138 Element error = packet.findChild("error");
139 if (error != null && error.hasChild("conflict")) {
140 if (mucOptions.online()) {
141 if (mucOptions.onRenameListener != null) {
142 mucOptions.onRenameListener.onFailure();
143 mucOptions.onRenameListener = null;
144 }
145 } else {
146 mucOptions.setError(MucOptions.Error.NICK_IN_USE);
147 }
148 } else if (error != null && error.hasChild("not-authorized")) {
149 mucOptions.setError(MucOptions.Error.PASSWORD_REQUIRED);
150 } else if (error != null && error.hasChild("forbidden")) {
151 mucOptions.setError(MucOptions.Error.BANNED);
152 } else if (error != null && error.hasChild("registration-required")) {
153 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
154 }
155 }
156 }
157 }
158
159 private static List<String> getStatusCodes(Element x) {
160 List<String> codes = new ArrayList<>();
161 if (x != null) {
162 for (Element child : x.getChildren()) {
163 if (child.getName().equals("status")) {
164 String code = child.getAttribute("code");
165 if (code != null) {
166 codes.add(code);
167 }
168 }
169 }
170 }
171 return codes;
172 }
173
174 public void parseContactPresence(final PresencePacket packet, final Account account) {
175 final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
176 final Jid from = packet.getFrom();
177 if (from == null || from.equals(account.getJid())) {
178 return;
179 }
180 final String type = packet.getAttribute("type");
181 final Contact contact = account.getRoster().getContact(from);
182 if (type == null) {
183 final String resource = from.isBareJid() ? "" : from.getResourcepart();
184 contact.setPresenceName(packet.findChildContent("nick", "http://jabber.org/protocol/nick"));
185 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
186 if (avatar != null && (!contact.isSelf() || account.getAvatar() == null)) {
187 avatar.owner = from.toBareJid();
188 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
189 if (avatar.owner.equals(account.getJid().toBareJid())) {
190 account.setAvatar(avatar.getFilename());
191 mXmppConnectionService.databaseBackend.updateAccount(account);
192 mXmppConnectionService.getAvatarService().clear(account);
193 mXmppConnectionService.updateConversationUi();
194 mXmppConnectionService.updateAccountUi();
195 } else if (contact.setAvatar(avatar)) {
196 mXmppConnectionService.getAvatarService().clear(contact);
197 mXmppConnectionService.updateConversationUi();
198 mXmppConnectionService.updateRosterUi();
199 }
200 } else if (mXmppConnectionService.isDataSaverDisabled()){
201 mXmppConnectionService.fetchAvatar(account, avatar);
202 }
203 }
204 int sizeBefore = contact.getPresences().size();
205
206 final String show = packet.findChildContent("show");
207 final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
208 final String message = packet.findChildContent("status");
209 final Presence presence = Presence.parse(show, caps, message);
210 contact.updatePresence(resource, presence);
211 if (presence.hasCaps()) {
212 mXmppConnectionService.fetchCaps(account, from, presence);
213 }
214
215 final Element idle = packet.findChild("idle", Namespace.IDLE);
216 if (idle != null) {
217 contact.flagInactive();
218 final String since = idle.getAttribute("since");
219 try {
220 contact.setLastseen(AbstractParser.parseTimestamp(since));
221 } catch (NullPointerException | ParseException e) {
222 contact.setLastseen(System.currentTimeMillis());
223 }
224 } else {
225 if (contact.setLastseen(AbstractParser.parseTimestamp(packet))) {
226 contact.flagActive();
227 }
228 }
229
230 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
231 Element x = packet.findChild("x", "jabber:x:signed");
232 if (pgp != null && x != null) {
233 Element status = packet.findChild("status");
234 String msg = status != null ? status.getContent() : "";
235 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
236 }
237 boolean online = sizeBefore < contact.getPresences().size();
238 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
239 } else if (type.equals("unavailable")) {
240 if (contact.setLastseen(AbstractParser.parseTimestamp(packet))) {
241 contact.flagInactive();
242 }
243 if (from.isBareJid()) {
244 contact.clearPresences();
245 } else {
246 contact.removePresence(from.getResourcepart());
247 }
248 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
249 } else if (type.equals("subscribe")) {
250 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
251 mXmppConnectionService.sendPresencePacket(account,
252 mPresenceGenerator.sendPresenceUpdatesTo(contact));
253 } else {
254 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
255 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
256 account, contact.getJid().toBareJid(), false, false);
257 final String statusMessage = packet.findChildContent("status");
258 if (statusMessage != null
259 && !statusMessage.isEmpty()
260 && conversation.countMessages() == 0) {
261 conversation.add(new Message(
262 conversation,
263 statusMessage,
264 Message.ENCRYPTION_NONE,
265 Message.STATUS_RECEIVED
266 ));
267 }
268 }
269 }
270 mXmppConnectionService.updateRosterUi();
271 }
272
273 @Override
274 public void onPresencePacketReceived(Account account, PresencePacket packet) {
275 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
276 this.parseConferencePresence(packet, account);
277 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
278 this.parseConferencePresence(packet, account);
279 } else {
280 this.parseContactPresence(packet, account);
281 }
282 }
283
284}