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.Presences;
17import eu.siacs.conversations.generator.PresenceGenerator;
18import eu.siacs.conversations.services.XmppConnectionService;
19import eu.siacs.conversations.xml.Element;
20import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
21import eu.siacs.conversations.xmpp.jid.Jid;
22import eu.siacs.conversations.xmpp.pep.Avatar;
23import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
24
25public class PresenceParser extends AbstractParser implements
26 OnPresencePacketReceived {
27
28 public PresenceParser(XmppConnectionService service) {
29 super(service);
30 }
31
32 public void parseConferencePresence(PresencePacket packet, Account account) {
33 final Conversation conversation = packet.getFrom() == null ? null : mXmppConnectionService.find(account, packet.getFrom().toBareJid());
34 if (conversation != null) {
35 final MucOptions mucOptions = conversation.getMucOptions();
36 boolean before = mucOptions.online();
37 int count = mucOptions.getUserCount();
38 final List<MucOptions.User> tileUserBefore = mucOptions.getUsers(5);
39 processConferencePresence(packet, mucOptions);
40 final List<MucOptions.User> tileUserAfter = mucOptions.getUsers(5);
41 if (!tileUserAfter.equals(tileUserBefore)) {
42 Log.d(Config.LOGTAG,account.getJid().toBareJid()+": update tiles for "+conversation.getName());
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_NO_ERROR);
65 MucOptions.User user = new MucOptions.User(mucOptions,from);
66 user.setAffiliation(item.getAttribute("affiliation"));
67 user.setRole(item.getAttribute("role"));
68 user.setJid(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 (mXmppConnectionService.getPgpEngine() != null) {
82 Element signed = packet.findChild("x", "jabber:x:signed");
83 if (signed != null) {
84 Element status = packet.findChild("status");
85 String msg = status == null ? "" : status.getContent();
86 long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
87 if (keyId != 0) {
88 user.setPgpKeyId(keyId);
89 }
90 }
91 }
92 if (avatar != null) {
93 avatar.owner = from;
94 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
95 if (user.setAvatar(avatar)) {
96 mXmppConnectionService.getAvatarService().clear(user);
97 }
98 } else {
99 mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
100 }
101 }
102 }
103 }
104 } else if (type.equals("unavailable")) {
105 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) ||
106 packet.getFrom().equals(mucOptions.getConversation().getJid())) {
107 if (codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
108 mucOptions.mNickChangingInProgress = true;
109 } else if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
110 mucOptions.setError(MucOptions.KICKED_FROM_ROOM);
111 } else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
112 mucOptions.setError(MucOptions.ERROR_BANNED);
113 } else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) {
114 mucOptions.setError(MucOptions.ERROR_MEMBERS_ONLY);
115 } else {
116 mucOptions.setError(MucOptions.ERROR_UNKNOWN);
117 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
118 }
119 } else if (!from.isBareJid()){
120 MucOptions.User user = mucOptions.deleteUser(from.getResourcepart());
121 if (user != null) {
122 mXmppConnectionService.getAvatarService().clear(user);
123 }
124 }
125 } else if (type.equals("error")) {
126 Element error = packet.findChild("error");
127 if (error != null && error.hasChild("conflict")) {
128 if (mucOptions.online()) {
129 if (mucOptions.onRenameListener != null) {
130 mucOptions.onRenameListener.onFailure();
131 }
132 } else {
133 mucOptions.setError(MucOptions.ERROR_NICK_IN_USE);
134 }
135 } else if (error != null && error.hasChild("not-authorized")) {
136 mucOptions.setError(MucOptions.ERROR_PASSWORD_REQUIRED);
137 } else if (error != null && error.hasChild("forbidden")) {
138 mucOptions.setError(MucOptions.ERROR_BANNED);
139 } else if (error != null && error.hasChild("registration-required")) {
140 mucOptions.setError(MucOptions.ERROR_MEMBERS_ONLY);
141 }
142 }
143 }
144 }
145
146 private static List<String> getStatusCodes(Element x) {
147 List<String> codes = new ArrayList<>();
148 if (x != null) {
149 for (Element child : x.getChildren()) {
150 if (child.getName().equals("status")) {
151 String code = child.getAttribute("code");
152 if (code != null) {
153 codes.add(code);
154 }
155 }
156 }
157 }
158 return codes;
159 }
160
161 public void parseContactPresence(final PresencePacket packet, final Account account) {
162 final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
163 final Jid from = packet.getFrom();
164 if (from == null) {
165 return;
166 }
167 final String type = packet.getAttribute("type");
168 final Contact contact = account.getRoster().getContact(from);
169 if (type == null) {
170 String presence = from.isBareJid() ? "" : from.getResourcepart();
171 contact.setPresenceName(packet.findChildContent("nick", "http://jabber.org/protocol/nick"));
172 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
173 if (avatar != null && !contact.isSelf()) {
174 avatar.owner = from.toBareJid();
175 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
176 if (contact.setAvatar(avatar)) {
177 mXmppConnectionService.getAvatarService().clear(contact);
178 mXmppConnectionService.updateConversationUi();
179 mXmppConnectionService.updateRosterUi();
180 }
181 } else {
182 mXmppConnectionService.fetchAvatar(account, avatar);
183 }
184 }
185 int sizeBefore = contact.getPresences().size();
186 contact.updatePresence(presence, Presences.parseShow(packet.findChild("show")));
187 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
188 Element x = packet.findChild("x", "jabber:x:signed");
189 if (pgp != null && x != null) {
190 Element status = packet.findChild("status");
191 String msg = status != null ? status.getContent() : "";
192 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
193 }
194 boolean online = sizeBefore < contact.getPresences().size();
195 updateLastseen(packet, account, false);
196 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
197 } else if (type.equals("unavailable")) {
198 if (from.isBareJid()) {
199 contact.clearPresences();
200 } else {
201 contact.removePresence(from.getResourcepart());
202 }
203 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
204 } else if (type.equals("subscribe")) {
205 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
206 mXmppConnectionService.sendPresencePacket(account,
207 mPresenceGenerator.sendPresenceUpdatesTo(contact));
208 } else {
209 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
210 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
211 account, contact.getJid().toBareJid(), false);
212 final String statusMessage = packet.findChildContent("status");
213 if (statusMessage != null
214 && !statusMessage.isEmpty()
215 && conversation.countMessages() == 0) {
216 conversation.add(new Message(
217 conversation,
218 statusMessage,
219 Message.ENCRYPTION_NONE,
220 Message.STATUS_RECEIVED
221 ));
222 }
223 }
224 }
225 mXmppConnectionService.updateRosterUi();
226 }
227
228 @Override
229 public void onPresencePacketReceived(Account account, PresencePacket packet) {
230 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
231 this.parseConferencePresence(packet, account);
232 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
233 this.parseConferencePresence(packet, account);
234 } else {
235 this.parseContactPresence(packet, account);
236 }
237 }
238
239}