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.entities.ServiceDiscoveryResult;
18import eu.siacs.conversations.generator.PresenceGenerator;
19import eu.siacs.conversations.services.XmppConnectionService;
20import eu.siacs.conversations.xml.Element;
21import eu.siacs.conversations.xmpp.OnIqPacketReceived;
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.IqPacket;
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, mucOptions);
43 final List<MucOptions.User> tileUserAfter = mucOptions.getUsers(5);
44 if (!tileUserAfter.equals(tileUserBefore)) {
45 Log.d(Config.LOGTAG,account.getJid().toBareJid()+": update tiles for "+conversation.getName());
46 mXmppConnectionService.getAvatarService().clear(mucOptions);
47 }
48 if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUserCount())) {
49 mXmppConnectionService.updateConversationUi();
50 } else if (mucOptions.online()) {
51 mXmppConnectionService.updateMucRosterUi();
52 }
53 }
54 }
55
56 private void processConferencePresence(PresencePacket packet, MucOptions mucOptions) {
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_NO_ERROR);
68 MucOptions.User user = new MucOptions.User(mucOptions,from);
69 user.setAffiliation(item.getAttribute("affiliation"));
70 user.setRole(item.getAttribute("role"));
71 user.setJid(item.getAttributeAsJid("jid"));
72 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) || packet.getFrom().equals(mucOptions.getConversation().getJid())) {
73 mucOptions.setOnline();
74 mucOptions.setSelf(user);
75 if (mucOptions.mNickChangingInProgress) {
76 if (mucOptions.onRenameListener != null) {
77 mucOptions.onRenameListener.onSuccess();
78 }
79 mucOptions.mNickChangingInProgress = false;
80 }
81 } else {
82 mucOptions.addUser(user);
83 }
84 if (mXmppConnectionService.getPgpEngine() != null) {
85 Element signed = packet.findChild("x", "jabber:x:signed");
86 if (signed != null) {
87 Element status = packet.findChild("status");
88 String msg = status == null ? "" : status.getContent();
89 long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
90 if (keyId != 0) {
91 user.setPgpKeyId(keyId);
92 }
93 }
94 }
95 if (avatar != null) {
96 avatar.owner = from;
97 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
98 if (user.setAvatar(avatar)) {
99 mXmppConnectionService.getAvatarService().clear(user);
100 }
101 } else {
102 mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
103 }
104 }
105 }
106 }
107 } else if (type.equals("unavailable")) {
108 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) ||
109 packet.getFrom().equals(mucOptions.getConversation().getJid())) {
110 if (codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
111 mucOptions.mNickChangingInProgress = true;
112 } else if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
113 mucOptions.setError(MucOptions.KICKED_FROM_ROOM);
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 {
119 mucOptions.setError(MucOptions.ERROR_UNKNOWN);
120 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
121 }
122 } else if (!from.isBareJid()){
123 MucOptions.User user = mucOptions.deleteUser(from.getResourcepart());
124 if (user != null) {
125 mXmppConnectionService.getAvatarService().clear(user);
126 }
127 }
128 } else if (type.equals("error")) {
129 Element error = packet.findChild("error");
130 if (error != null && error.hasChild("conflict")) {
131 if (mucOptions.online()) {
132 if (mucOptions.onRenameListener != null) {
133 mucOptions.onRenameListener.onFailure();
134 }
135 } else {
136 mucOptions.setError(MucOptions.ERROR_NICK_IN_USE);
137 }
138 } else if (error != null && error.hasChild("not-authorized")) {
139 mucOptions.setError(MucOptions.ERROR_PASSWORD_REQUIRED);
140 } else if (error != null && error.hasChild("forbidden")) {
141 mucOptions.setError(MucOptions.ERROR_BANNED);
142 } else if (error != null && error.hasChild("registration-required")) {
143 mucOptions.setError(MucOptions.ERROR_MEMBERS_ONLY);
144 }
145 }
146 }
147 }
148
149 private static List<String> getStatusCodes(Element x) {
150 List<String> codes = new ArrayList<>();
151 if (x != null) {
152 for (Element child : x.getChildren()) {
153 if (child.getName().equals("status")) {
154 String code = child.getAttribute("code");
155 if (code != null) {
156 codes.add(code);
157 }
158 }
159 }
160 }
161 return codes;
162 }
163
164 public void parseContactPresence(final PresencePacket packet, final Account account) {
165 final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
166 final Jid from = packet.getFrom();
167 if (from == null) {
168 return;
169 }
170 final String type = packet.getAttribute("type");
171 final Contact contact = account.getRoster().getContact(from);
172 if (type == null) {
173 final String presence = from.isBareJid() ? "" : from.getResourcepart();
174 contact.setPresenceName(packet.findChildContent("nick", "http://jabber.org/protocol/nick"));
175 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
176 if (avatar != null && !contact.isSelf()) {
177 avatar.owner = from.toBareJid();
178 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
179 if (contact.setAvatar(avatar)) {
180 mXmppConnectionService.getAvatarService().clear(contact);
181 mXmppConnectionService.updateConversationUi();
182 mXmppConnectionService.updateRosterUi();
183 }
184 } else {
185 mXmppConnectionService.fetchAvatar(account, avatar);
186 }
187 }
188 int sizeBefore = contact.getPresences().size();
189
190 ServiceDiscoveryResult disco = null;
191 Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
192
193 if (caps != null) {
194 disco = mXmppConnectionService.databaseBackend.
195 findDiscoveryResult(caps.getAttribute("hash"), caps.getAttribute("ver"));
196 }
197
198 if (disco != null || caps == null) {
199 contact.updatePresence(presence, new Presence(packet.findChild("show"), disco));
200 } else {
201 IqPacket request = new IqPacket(IqPacket.TYPE.GET);
202 request.setTo(from);
203 request.query("http://jabber.org/protocol/disco#info");
204
205 mXmppConnectionService.sendIqPacket(account, request, new OnIqPacketReceived() {
206 @Override
207 public void onIqPacketReceived(Account account, IqPacket discoPacket) {
208 if (discoPacket.getType() == IqPacket.TYPE.RESULT) {
209 ServiceDiscoveryResult disco = new ServiceDiscoveryResult(discoPacket);
210 contact.updatePresence(presence, new Presence(packet.findChild("show"), disco));
211 mXmppConnectionService.databaseBackend.insertDiscoveryResult(disco);
212 }
213 }
214 });
215 }
216
217 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
218 Element x = packet.findChild("x", "jabber:x:signed");
219 if (pgp != null && x != null) {
220 Element status = packet.findChild("status");
221 String msg = status != null ? status.getContent() : "";
222 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
223 }
224 boolean online = sizeBefore < contact.getPresences().size();
225 updateLastseen(packet, account, false);
226 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
227 } else if (type.equals("unavailable")) {
228 if (from.isBareJid()) {
229 contact.clearPresences();
230 } else {
231 contact.removePresence(from.getResourcepart());
232 }
233 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
234 } else if (type.equals("subscribe")) {
235 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
236 mXmppConnectionService.sendPresencePacket(account,
237 mPresenceGenerator.sendPresenceUpdatesTo(contact));
238 } else {
239 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
240 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
241 account, contact.getJid().toBareJid(), false);
242 final String statusMessage = packet.findChildContent("status");
243 if (statusMessage != null
244 && !statusMessage.isEmpty()
245 && conversation.countMessages() == 0) {
246 conversation.add(new Message(
247 conversation,
248 statusMessage,
249 Message.ENCRYPTION_NONE,
250 Message.STATUS_RECEIVED
251 ));
252 }
253 }
254 }
255 mXmppConnectionService.updateRosterUi();
256 }
257
258 @Override
259 public void onPresencePacketReceived(Account account, PresencePacket packet) {
260 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
261 this.parseConferencePresence(packet, account);
262 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
263 this.parseConferencePresence(packet, account);
264 } else {
265 this.parseContactPresence(packet, account);
266 }
267 }
268
269}