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, mucOptions);
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, MucOptions mucOptions) {
55 final Jid from = packet.getFrom();
56 if (!from.isBareJid()) {
57 final String type = packet.getAttribute("type");
58 final Element x = packet.findChild("x", "http://jabber.org/protocol/muc#user");
59 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
60 final List<String> codes = getStatusCodes(x);
61 if (type == null) {
62 if (x != null) {
63 Element item = x.findChild("item");
64 if (item != null && !from.isBareJid()) {
65 mucOptions.setError(MucOptions.Error.NONE);
66 MucOptions.User user = new MucOptions.User(mucOptions, from);
67 user.setAffiliation(item.getAttribute("affiliation"));
68 user.setRole(item.getAttribute("role"));
69 user.setRealJid(item.getAttributeAsJid("jid"));
70 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) || packet.getFrom().equals(mucOptions.getConversation().getJid())) {
71 mucOptions.setOnline();
72 mucOptions.setSelf(user);
73 if (mucOptions.mNickChangingInProgress) {
74 if (mucOptions.onRenameListener != null) {
75 mucOptions.onRenameListener.onSuccess();
76 }
77 mucOptions.mNickChangingInProgress = false;
78 }
79 } else {
80 mucOptions.addUser(user);
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 {
109 mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
110 }
111 }
112 }
113 }
114 } else if (type.equals("unavailable")) {
115 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) ||
116 packet.getFrom().equals(mucOptions.getConversation().getJid())) {
117 if (codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
118 mucOptions.mNickChangingInProgress = true;
119 } else if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
120 mucOptions.setError(MucOptions.Error.KICKED);
121 } else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
122 mucOptions.setError(MucOptions.Error.BANNED);
123 } else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) {
124 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
125 } else if (codes.contains(MucOptions.STATUS_CODE_AFFILIATION_CHANGE)) {
126 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
127 } else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN)) {
128 mucOptions.setError(MucOptions.Error.SHUTDOWN);
129 } else {
130 mucOptions.setError(MucOptions.Error.UNKNOWN);
131 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
132 }
133 } else if (!from.isBareJid()){
134 MucOptions.User user = mucOptions.deleteUser(from);
135 if (user != null) {
136 mXmppConnectionService.getAvatarService().clear(user);
137 }
138 }
139 } else if (type.equals("error")) {
140 Element error = packet.findChild("error");
141 if (error != null && error.hasChild("conflict")) {
142 if (mucOptions.online()) {
143 if (mucOptions.onRenameListener != null) {
144 mucOptions.onRenameListener.onFailure();
145 }
146 } else {
147 mucOptions.setError(MucOptions.Error.NICK_IN_USE);
148 }
149 } else if (error != null && error.hasChild("not-authorized")) {
150 mucOptions.setError(MucOptions.Error.PASSWORD_REQUIRED);
151 } else if (error != null && error.hasChild("forbidden")) {
152 mucOptions.setError(MucOptions.Error.BANNED);
153 } else if (error != null && error.hasChild("registration-required")) {
154 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
155 }
156 }
157 }
158 }
159
160 private static List<String> getStatusCodes(Element x) {
161 List<String> codes = new ArrayList<>();
162 if (x != null) {
163 for (Element child : x.getChildren()) {
164 if (child.getName().equals("status")) {
165 String code = child.getAttribute("code");
166 if (code != null) {
167 codes.add(code);
168 }
169 }
170 }
171 }
172 return codes;
173 }
174
175 public void parseContactPresence(final PresencePacket packet, final Account account) {
176 final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
177 final Jid from = packet.getFrom();
178 if (from == null || from.equals(account.getJid())) {
179 return;
180 }
181 final String type = packet.getAttribute("type");
182 final Contact contact = account.getRoster().getContact(from);
183 if (type == null) {
184 final String resource = from.isBareJid() ? "" : from.getResourcepart();
185 contact.setPresenceName(packet.findChildContent("nick", "http://jabber.org/protocol/nick"));
186 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
187 if (avatar != null && !contact.isSelf()) {
188 avatar.owner = from.toBareJid();
189 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
190 if (contact.setAvatar(avatar)) {
191 mXmppConnectionService.getAvatarService().clear(contact);
192 mXmppConnectionService.updateConversationUi();
193 mXmppConnectionService.updateRosterUi();
194 }
195 } else {
196 mXmppConnectionService.fetchAvatar(account, avatar);
197 }
198 }
199 int sizeBefore = contact.getPresences().size();
200
201 final String show = packet.findChildContent("show");
202 final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
203 final String message = packet.findChildContent("status");
204 final Presence presence = Presence.parse(show, caps, message);
205 contact.updatePresence(resource, presence);
206 if (presence.hasCaps()) {
207 mXmppConnectionService.fetchCaps(account, from, presence);
208 }
209
210 final Element idle = packet.findChild("idle","urn:xmpp:idle:1");
211 if (idle != null) {
212 contact.flagInactive();
213 String since = idle.getAttribute("since");
214 try {
215 contact.setLastseen(AbstractParser.parseTimestamp(since));
216 } catch (NullPointerException | ParseException e) {
217 contact.setLastseen(System.currentTimeMillis());
218 }
219 } else {
220 contact.flagActive();
221 contact.setLastseen(AbstractParser.parseTimestamp(packet));
222 }
223
224 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
225 Element x = packet.findChild("x", "jabber:x:signed");
226 if (pgp != null && x != null) {
227 Element status = packet.findChild("status");
228 String msg = status != null ? status.getContent() : "";
229 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
230 }
231 boolean online = sizeBefore < contact.getPresences().size();
232 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
233 } else if (type.equals("unavailable")) {
234 if (from.isBareJid()) {
235 contact.clearPresences();
236 } else {
237 contact.removePresence(from.getResourcepart());
238 }
239 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
240 } else if (type.equals("subscribe")) {
241 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
242 mXmppConnectionService.sendPresencePacket(account,
243 mPresenceGenerator.sendPresenceUpdatesTo(contact));
244 } else {
245 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
246 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
247 account, contact.getJid().toBareJid(), false);
248 final String statusMessage = packet.findChildContent("status");
249 if (statusMessage != null
250 && !statusMessage.isEmpty()
251 && conversation.countMessages() == 0) {
252 conversation.add(new Message(
253 conversation,
254 statusMessage,
255 Message.ENCRYPTION_NONE,
256 Message.STATUS_RECEIVED
257 ));
258 }
259 }
260 }
261 mXmppConnectionService.updateRosterUi();
262 }
263
264 @Override
265 public void onPresencePacketReceived(Account account, PresencePacket packet) {
266 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
267 this.parseConferencePresence(packet, account);
268 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
269 this.parseConferencePresence(packet, account);
270 } else {
271 this.parseContactPresence(packet, account);
272 }
273 }
274
275}