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.NONE);
67 MucOptions.User user = new MucOptions.User(mucOptions, from);
68 user.setAffiliation(item.getAttribute("affiliation"));
69 user.setRole(item.getAttribute("role"));
70 Jid real = item.getAttributeAsJid("jid");
71 if (real != null) {
72 user.setJid(real);
73 mucOptions.putMember(real.toBareJid());
74 }
75 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) || packet.getFrom().equals(mucOptions.getConversation().getJid())) {
76 mucOptions.setOnline();
77 mucOptions.setSelf(user);
78 if (mucOptions.mNickChangingInProgress) {
79 if (mucOptions.onRenameListener != null) {
80 mucOptions.onRenameListener.onSuccess();
81 }
82 mucOptions.mNickChangingInProgress = false;
83 }
84 } else {
85 mucOptions.addUser(user);
86 }
87 if (mXmppConnectionService.getPgpEngine() != null) {
88 Element signed = packet.findChild("x", "jabber:x:signed");
89 if (signed != null) {
90 Element status = packet.findChild("status");
91 String msg = status == null ? "" : status.getContent();
92 long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
93 if (keyId != 0) {
94 user.setPgpKeyId(keyId);
95 }
96 }
97 }
98 if (avatar != null) {
99 avatar.owner = from;
100 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
101 if (user.setAvatar(avatar)) {
102 mXmppConnectionService.getAvatarService().clear(user);
103 }
104 } else {
105 mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
106 }
107 }
108 }
109 }
110 } else if (type.equals("unavailable")) {
111 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) ||
112 packet.getFrom().equals(mucOptions.getConversation().getJid())) {
113 if (codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
114 mucOptions.mNickChangingInProgress = true;
115 } else if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
116 mucOptions.setError(MucOptions.Error.KICKED);
117 } else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
118 mucOptions.setError(MucOptions.Error.BANNED);
119 } else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) {
120 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
121 } else if (codes.contains(MucOptions.STATUS_CODE_AFFILIATION_CHANGE)) {
122 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
123 } else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN)) {
124 mucOptions.setError(MucOptions.Error.SHUTDOWN);
125 } else {
126 mucOptions.setError(MucOptions.Error.UNKNOWN);
127 Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
128 }
129 } else if (!from.isBareJid()){
130 MucOptions.User user = mucOptions.deleteUser(from.getResourcepart());
131 if (user != null) {
132 mXmppConnectionService.getAvatarService().clear(user);
133 }
134 }
135 } else if (type.equals("error")) {
136 Element error = packet.findChild("error");
137 if (error != null && error.hasChild("conflict")) {
138 if (mucOptions.online()) {
139 if (mucOptions.onRenameListener != null) {
140 mucOptions.onRenameListener.onFailure();
141 }
142 } else {
143 mucOptions.setError(MucOptions.Error.NICK_IN_USE);
144 }
145 } else if (error != null && error.hasChild("not-authorized")) {
146 mucOptions.setError(MucOptions.Error.PASSWORD_REQUIRED);
147 } else if (error != null && error.hasChild("forbidden")) {
148 mucOptions.setError(MucOptions.Error.BANNED);
149 } else if (error != null && error.hasChild("registration-required")) {
150 mucOptions.setError(MucOptions.Error.BANNED);
151 }
152 }
153 }
154 }
155
156 private static List<String> getStatusCodes(Element x) {
157 List<String> codes = new ArrayList<>();
158 if (x != null) {
159 for (Element child : x.getChildren()) {
160 if (child.getName().equals("status")) {
161 String code = child.getAttribute("code");
162 if (code != null) {
163 codes.add(code);
164 }
165 }
166 }
167 }
168 return codes;
169 }
170
171 public void parseContactPresence(final PresencePacket packet, final Account account) {
172 final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
173 final Jid from = packet.getFrom();
174 if (from == null || from.equals(account.getJid())) {
175 return;
176 }
177 final String type = packet.getAttribute("type");
178 final Contact contact = account.getRoster().getContact(from);
179 if (type == null) {
180 final String resource = from.isBareJid() ? "" : from.getResourcepart();
181 contact.setPresenceName(packet.findChildContent("nick", "http://jabber.org/protocol/nick"));
182 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
183 if (avatar != null && !contact.isSelf()) {
184 avatar.owner = from.toBareJid();
185 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
186 if (contact.setAvatar(avatar)) {
187 mXmppConnectionService.getAvatarService().clear(contact);
188 mXmppConnectionService.updateConversationUi();
189 mXmppConnectionService.updateRosterUi();
190 }
191 } else {
192 mXmppConnectionService.fetchAvatar(account, avatar);
193 }
194 }
195 int sizeBefore = contact.getPresences().size();
196
197 final String show = packet.findChildContent("show");
198 final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
199 final String message = packet.findChildContent("status");
200 final Presence presence = Presence.parse(show, caps, message);
201 contact.updatePresence(resource, presence);
202 if (presence.hasCaps()) {
203 mXmppConnectionService.fetchCaps(account, from, presence);
204 }
205
206 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
207 Element x = packet.findChild("x", "jabber:x:signed");
208 if (pgp != null && x != null) {
209 Element status = packet.findChild("status");
210 String msg = status != null ? status.getContent() : "";
211 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
212 }
213 boolean online = sizeBefore < contact.getPresences().size();
214 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
215 } else if (type.equals("unavailable")) {
216 if (from.isBareJid()) {
217 contact.clearPresences();
218 } else {
219 contact.removePresence(from.getResourcepart());
220 }
221 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
222 } else if (type.equals("subscribe")) {
223 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
224 mXmppConnectionService.sendPresencePacket(account,
225 mPresenceGenerator.sendPresenceUpdatesTo(contact));
226 } else {
227 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
228 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
229 account, contact.getJid().toBareJid(), false);
230 final String statusMessage = packet.findChildContent("status");
231 if (statusMessage != null
232 && !statusMessage.isEmpty()
233 && conversation.countMessages() == 0) {
234 conversation.add(new Message(
235 conversation,
236 statusMessage,
237 Message.ENCRYPTION_NONE,
238 Message.STATUS_RECEIVED
239 ));
240 }
241 }
242 }
243 mXmppConnectionService.updateRosterUi();
244 }
245
246 @Override
247 public void onPresencePacketReceived(Account account, PresencePacket packet) {
248 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
249 this.parseConferencePresence(packet, account);
250 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
251 this.parseConferencePresence(packet, account);
252 } else {
253 this.parseContactPresence(packet, account);
254 }
255 }
256
257}