1package eu.siacs.conversations.parser;
2
3import android.util.Log;
4
5import java.util.ArrayList;
6import java.util.List;
7
8
9import eu.siacs.conversations.Config;
10import eu.siacs.conversations.crypto.PgpEngine;
11import eu.siacs.conversations.entities.Account;
12import eu.siacs.conversations.entities.Contact;
13import eu.siacs.conversations.entities.Conversation;
14import eu.siacs.conversations.entities.Message;
15import eu.siacs.conversations.entities.MucOptions;
16import eu.siacs.conversations.entities.Presence;
17import eu.siacs.conversations.generator.IqGenerator;
18import eu.siacs.conversations.generator.PresenceGenerator;
19import eu.siacs.conversations.services.XmppConnectionService;
20import eu.siacs.conversations.xml.Element;
21import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
22import eu.siacs.conversations.xmpp.jid.Jid;
23import eu.siacs.conversations.xmpp.pep.Avatar;
24import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
25
26public class PresenceParser extends AbstractParser implements
27 OnPresencePacketReceived {
28
29 public PresenceParser(XmppConnectionService service) {
30 super(service);
31 }
32
33 public void parseConferencePresence(PresencePacket packet, Account account) {
34 final Conversation conversation = packet.getFrom() == null ? null : mXmppConnectionService.find(account, packet.getFrom().toBareJid());
35 if (conversation != null) {
36 final MucOptions mucOptions = conversation.getMucOptions();
37 boolean before = mucOptions.online();
38 int count = mucOptions.getUserCount();
39 final List<MucOptions.User> tileUserBefore = mucOptions.getUsers(5);
40 processConferencePresence(packet, mucOptions);
41 final List<MucOptions.User> tileUserAfter = mucOptions.getUsers(5);
42 if (!tileUserAfter.equals(tileUserBefore)) {
43 mXmppConnectionService.getAvatarService().clear(mucOptions);
44 }
45 if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUserCount())) {
46 mXmppConnectionService.updateConversationUi();
47 } else if (mucOptions.online()) {
48 mXmppConnectionService.updateMucRosterUi();
49 }
50 }
51 }
52
53 private void processConferencePresence(PresencePacket packet, MucOptions mucOptions) {
54 final Jid from = packet.getFrom();
55 if (!from.isBareJid()) {
56 final String type = packet.getAttribute("type");
57 final Element x = packet.findChild("x", "http://jabber.org/protocol/muc#user");
58 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
59 final List<String> codes = getStatusCodes(x);
60 if (type == null) {
61 if (x != null) {
62 Element item = x.findChild("item");
63 if (item != null && !from.isBareJid()) {
64 mucOptions.setError(MucOptions.Error.NONE);
65 MucOptions.User user = new MucOptions.User(mucOptions, from);
66 user.setAffiliation(item.getAttribute("affiliation"));
67 user.setRole(item.getAttribute("role"));
68 user.setRealJid(item.getAttributeAsJid("jid"));
69 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) || packet.getFrom().equals(mucOptions.getConversation().getJid())) {
70 mucOptions.setOnline();
71 mucOptions.setSelf(user);
72 if (mucOptions.mNickChangingInProgress) {
73 if (mucOptions.onRenameListener != null) {
74 mucOptions.onRenameListener.onSuccess();
75 }
76 mucOptions.mNickChangingInProgress = false;
77 }
78 } else {
79 mucOptions.addUser(user);
80 }
81 if (codes.contains(MucOptions.STATUS_CODE_ROOM_CREATED)) {
82 Log.d(Config.LOGTAG,mucOptions.getAccount().getJid().toBareJid()
83 +": room '"
84 +mucOptions.getConversation().getJid().toBareJid()
85 +"' created. pushing default configuration");
86 mXmppConnectionService.pushConferenceConfiguration(mucOptions.getConversation(),
87 IqGenerator.defaultRoomConfiguration(),
88 null);
89 }
90 if (mXmppConnectionService.getPgpEngine() != null) {
91 Element signed = packet.findChild("x", "jabber:x:signed");
92 if (signed != null) {
93 Element status = packet.findChild("status");
94 String msg = status == null ? "" : status.getContent();
95 long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
96 if (keyId != 0) {
97 user.setPgpKeyId(keyId);
98 }
99 }
100 }
101 if (avatar != null) {
102 avatar.owner = from;
103 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
104 if (user.setAvatar(avatar)) {
105 mXmppConnectionService.getAvatarService().clear(user);
106 }
107 } else {
108 mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
109 }
110 }
111 }
112 }
113 } else if (type.equals("unavailable")) {
114 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) ||
115 packet.getFrom().equals(mucOptions.getConversation().getJid())) {
116 if (codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
117 mucOptions.mNickChangingInProgress = true;
118 } else 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 {
129 mucOptions.setError(MucOptions.Error.UNKNOWN);
130 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
131 }
132 } else if (!from.isBareJid()){
133 MucOptions.User user = mucOptions.deleteUser(from);
134 if (user != null) {
135 mXmppConnectionService.getAvatarService().clear(user);
136 }
137 }
138 } else if (type.equals("error")) {
139 Element error = packet.findChild("error");
140 if (error != null && error.hasChild("conflict")) {
141 if (mucOptions.online()) {
142 if (mucOptions.onRenameListener != null) {
143 mucOptions.onRenameListener.onFailure();
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()) {
187 avatar.owner = from.toBareJid();
188 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
189 if (contact.setAvatar(avatar)) {
190 mXmppConnectionService.getAvatarService().clear(contact);
191 mXmppConnectionService.updateConversationUi();
192 mXmppConnectionService.updateRosterUi();
193 }
194 } else {
195 mXmppConnectionService.fetchAvatar(account, avatar);
196 }
197 }
198 int sizeBefore = contact.getPresences().size();
199
200 final String show = packet.findChildContent("show");
201 final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
202 final String message = packet.findChildContent("status");
203 final Presence presence = Presence.parse(show, caps, message);
204 contact.updatePresence(resource, presence);
205 if (presence.hasCaps()) {
206 mXmppConnectionService.fetchCaps(account, from, presence);
207 }
208
209 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
210 Element x = packet.findChild("x", "jabber:x:signed");
211 if (pgp != null && x != null) {
212 Element status = packet.findChild("status");
213 String msg = status != null ? status.getContent() : "";
214 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
215 }
216 boolean online = sizeBefore < contact.getPresences().size();
217 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
218 } else if (type.equals("unavailable")) {
219 if (from.isBareJid()) {
220 contact.clearPresences();
221 } else {
222 contact.removePresence(from.getResourcepart());
223 }
224 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
225 } else if (type.equals("subscribe")) {
226 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
227 mXmppConnectionService.sendPresencePacket(account,
228 mPresenceGenerator.sendPresenceUpdatesTo(contact));
229 } else {
230 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
231 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
232 account, contact.getJid().toBareJid(), false);
233 final String statusMessage = packet.findChildContent("status");
234 if (statusMessage != null
235 && !statusMessage.isEmpty()
236 && conversation.countMessages() == 0) {
237 conversation.add(new Message(
238 conversation,
239 statusMessage,
240 Message.ENCRYPTION_NONE,
241 Message.STATUS_RECEIVED
242 ));
243 }
244 }
245 }
246 mXmppConnectionService.updateRosterUi();
247 }
248
249 @Override
250 public void onPresencePacketReceived(Account account, PresencePacket packet) {
251 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
252 this.parseConferencePresence(packet, account);
253 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
254 this.parseConferencePresence(packet, account);
255 } else {
256 this.parseContactPresence(packet, account);
257 }
258 }
259
260}