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.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 mXmppConnectionService.getAvatarService().clear(mucOptions);
43 }
44 if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUserCount())) {
45 mXmppConnectionService.updateConversationUi();
46 } else if (mucOptions.online()) {
47 mXmppConnectionService.updateMucRosterUi();
48 }
49 }
50 }
51
52 private void processConferencePresence(PresencePacket packet, MucOptions mucOptions) {
53 final Jid from = packet.getFrom();
54 if (!from.isBareJid()) {
55 final String type = packet.getAttribute("type");
56 final Element x = packet.findChild("x", "http://jabber.org/protocol/muc#user");
57 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
58 final List<String> codes = getStatusCodes(x);
59 if (type == null) {
60 if (x != null) {
61 Element item = x.findChild("item");
62 if (item != null && !from.isBareJid()) {
63 mucOptions.setError(MucOptions.Error.NONE);
64 MucOptions.User user = new MucOptions.User(mucOptions, from);
65 user.setAffiliation(item.getAttribute("affiliation"));
66 user.setRole(item.getAttribute("role"));
67 user.setRealJid(item.getAttributeAsJid("jid"));
68 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) || packet.getFrom().equals(mucOptions.getConversation().getJid())) {
69 mucOptions.setOnline();
70 mucOptions.setSelf(user);
71 if (mucOptions.mNickChangingInProgress) {
72 if (mucOptions.onRenameListener != null) {
73 mucOptions.onRenameListener.onSuccess();
74 }
75 mucOptions.mNickChangingInProgress = false;
76 }
77 } else {
78 mucOptions.addUser(user);
79 }
80 if (mXmppConnectionService.getPgpEngine() != null) {
81 Element signed = packet.findChild("x", "jabber:x:signed");
82 if (signed != null) {
83 Element status = packet.findChild("status");
84 String msg = status == null ? "" : status.getContent();
85 long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
86 if (keyId != 0) {
87 user.setPgpKeyId(keyId);
88 }
89 }
90 }
91 if (avatar != null) {
92 avatar.owner = from;
93 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
94 if (user.setAvatar(avatar)) {
95 mXmppConnectionService.getAvatarService().clear(user);
96 }
97 } else {
98 mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
99 }
100 }
101 }
102 }
103 } else if (type.equals("unavailable")) {
104 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) ||
105 packet.getFrom().equals(mucOptions.getConversation().getJid())) {
106 if (codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
107 mucOptions.mNickChangingInProgress = true;
108 } else if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
109 mucOptions.setError(MucOptions.Error.KICKED);
110 } else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
111 mucOptions.setError(MucOptions.Error.BANNED);
112 } else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) {
113 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
114 } else if (codes.contains(MucOptions.STATUS_CODE_AFFILIATION_CHANGE)) {
115 mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
116 } else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN)) {
117 mucOptions.setError(MucOptions.Error.SHUTDOWN);
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);
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.BANNED);
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 || from.equals(account.getJid())) {
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 resource = 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 final String show = packet.findChildContent("show");
191 final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
192 final String message = packet.findChildContent("status");
193 final Presence presence = Presence.parse(show, caps, message);
194 contact.updatePresence(resource, presence);
195 if (presence.hasCaps()) {
196 mXmppConnectionService.fetchCaps(account, from, presence);
197 }
198
199 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
200 Element x = packet.findChild("x", "jabber:x:signed");
201 if (pgp != null && x != null) {
202 Element status = packet.findChild("status");
203 String msg = status != null ? status.getContent() : "";
204 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
205 }
206 boolean online = sizeBefore < contact.getPresences().size();
207 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
208 } else if (type.equals("unavailable")) {
209 if (from.isBareJid()) {
210 contact.clearPresences();
211 } else {
212 contact.removePresence(from.getResourcepart());
213 }
214 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
215 } else if (type.equals("subscribe")) {
216 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
217 mXmppConnectionService.sendPresencePacket(account,
218 mPresenceGenerator.sendPresenceUpdatesTo(contact));
219 } else {
220 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
221 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
222 account, contact.getJid().toBareJid(), false);
223 final String statusMessage = packet.findChildContent("status");
224 if (statusMessage != null
225 && !statusMessage.isEmpty()
226 && conversation.countMessages() == 0) {
227 conversation.add(new Message(
228 conversation,
229 statusMessage,
230 Message.ENCRYPTION_NONE,
231 Message.STATUS_RECEIVED
232 ));
233 }
234 }
235 }
236 mXmppConnectionService.updateRosterUi();
237 }
238
239 @Override
240 public void onPresencePacketReceived(Account account, PresencePacket packet) {
241 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
242 this.parseConferencePresence(packet, account);
243 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
244 this.parseConferencePresence(packet, account);
245 } else {
246 this.parseContactPresence(packet, account);
247 }
248 }
249
250}