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