1package eu.siacs.conversations.parser;
2
3import android.util.Log;
4
5import java.util.ArrayList;
6import java.util.List;
7
8import eu.siacs.conversations.Config;
9import eu.siacs.conversations.crypto.PgpEngine;
10import eu.siacs.conversations.entities.Account;
11import eu.siacs.conversations.entities.Contact;
12import eu.siacs.conversations.entities.Conversation;
13import eu.siacs.conversations.entities.Message;
14import eu.siacs.conversations.entities.MucOptions;
15import eu.siacs.conversations.entities.Presences;
16import eu.siacs.conversations.generator.PresenceGenerator;
17import eu.siacs.conversations.services.XmppConnectionService;
18import eu.siacs.conversations.xml.Element;
19import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
20import eu.siacs.conversations.xmpp.jid.Jid;
21import eu.siacs.conversations.xmpp.pep.Avatar;
22import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
23
24public class PresenceParser extends AbstractParser implements
25 OnPresencePacketReceived {
26
27 public PresenceParser(XmppConnectionService service) {
28 super(service);
29 }
30
31 public void parseConferencePresence(PresencePacket packet, Account account) {
32 final Conversation conversation = packet.getFrom() == null ? null : mXmppConnectionService.find(account, packet.getFrom().toBareJid());
33 if (conversation != null) {
34 final MucOptions mucOptions = conversation.getMucOptions();
35 boolean before = mucOptions.online();
36 int count = mucOptions.getUserCount();
37 final List<MucOptions.User> tileUserBefore = mucOptions.getUsers(5);
38 processConferencePresence(packet, mucOptions);
39 final List<MucOptions.User> tileUserAfter = mucOptions.getUsers(5);
40 if (!tileUserAfter.equals(tileUserBefore)) {
41 mXmppConnectionService.getAvatarService().clear(conversation);
42 }
43 if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUserCount())) {
44 mXmppConnectionService.updateConversationUi();
45 } else if (mucOptions.online()) {
46 mXmppConnectionService.updateMucRosterUi();
47 }
48 }
49 }
50
51 private void processConferencePresence(PresencePacket packet, MucOptions mucOptions) {
52 final Jid from = packet.getFrom();
53 if (!from.isBareJid()) {
54 final String type = packet.getAttribute("type");
55 final Element x = packet.findChild("x", "http://jabber.org/protocol/muc#user");
56 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
57 final List<String> codes = getStatusCodes(x);
58 if (type == null) {
59 if (x != null) {
60 Element item = x.findChild("item");
61 if (item != null && !from.isBareJid()) {
62 MucOptions.User user = new MucOptions.User(mucOptions,from);
63 user.setAffiliation(item.getAttribute("affiliation"));
64 user.setRole(item.getAttribute("role"));
65 user.setJid(item.getAttributeAsJid("jid"));
66 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) || packet.getFrom().equals(mucOptions.getConversation().getJid())) {
67 mucOptions.setError(MucOptions.ERROR_NO_ERROR);
68 mucOptions.setSelf(user);
69 if (mucOptions.mNickChangingInProgress) {
70 if (mucOptions.onRenameListener != null) {
71 mucOptions.onRenameListener.onSuccess();
72 }
73 mucOptions.mNickChangingInProgress = false;
74 }
75 } else {
76 mucOptions.addUser(user);
77 }
78 if (mXmppConnectionService.getPgpEngine() != null) {
79 Element signed = packet.findChild("x", "jabber:x:signed");
80 if (signed != null) {
81 Element status = packet.findChild("status");
82 String msg = status == null ? "" : status.getContent();
83 long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
84 if (keyId != 0) {
85 user.setPgpKeyId(keyId);
86 }
87 }
88 }
89 if (avatar != null) {
90 avatar.owner = from;
91 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
92 user.setAvatar(avatar);
93 } else {
94 mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
95 }
96 Log.d(Config.LOGTAG, "user " + avatar.owner + " has avatar");
97 }
98 }
99 }
100 } else if (type.equals("unavailable")) {
101 if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) ||
102 packet.getFrom().equals(mucOptions.getConversation().getJid())) {
103 if (codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
104 mucOptions.mNickChangingInProgress = true;
105 } else if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
106 mucOptions.setError(MucOptions.KICKED_FROM_ROOM);
107 } else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
108 mucOptions.setError(MucOptions.ERROR_BANNED);
109 } else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) {
110 mucOptions.setError(MucOptions.ERROR_MEMBERS_ONLY);
111 } else {
112 mucOptions.setError(MucOptions.ERROR_UNKNOWN);
113 }
114 } else if (!from.isBareJid()){
115 mucOptions.deleteUser(from.getResourcepart());
116 }
117 } else if (type.equals("error")) {
118 Element error = packet.findChild("error");
119 if (error != null && error.hasChild("conflict")) {
120 if (mucOptions.online()) {
121 if (mucOptions.onRenameListener != null) {
122 mucOptions.onRenameListener.onFailure();
123 }
124 } else {
125 mucOptions.setError(MucOptions.ERROR_NICK_IN_USE);
126 }
127 } else if (error != null && error.hasChild("not-authorized")) {
128 mucOptions.setError(MucOptions.ERROR_PASSWORD_REQUIRED);
129 } else if (error != null && error.hasChild("forbidden")) {
130 mucOptions.setError(MucOptions.ERROR_BANNED);
131 } else if (error != null && error.hasChild("registration-required")) {
132 mucOptions.setError(MucOptions.ERROR_MEMBERS_ONLY);
133 }
134 }
135 }
136 }
137
138 private static List<String> getStatusCodes(Element x) {
139 List<String> codes = new ArrayList<>();
140 if (x != null) {
141 for (Element child : x.getChildren()) {
142 if (child.getName().equals("status")) {
143 String code = child.getAttribute("code");
144 if (code != null) {
145 codes.add(code);
146 }
147 }
148 }
149 }
150 return codes;
151 }
152
153 public void parseContactPresence(final PresencePacket packet, final Account account) {
154 final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
155 final Jid from = packet.getFrom();
156 if (from == null) {
157 return;
158 }
159 final String type = packet.getAttribute("type");
160 final Contact contact = account.getRoster().getContact(from);
161 if (type == null) {
162 String presence = from.isBareJid() ? "" : from.getResourcepart();
163 contact.setPresenceName(packet.findChildContent("nick", "http://jabber.org/protocol/nick"));
164 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
165 if (avatar != null && !contact.isSelf()) {
166 avatar.owner = from.toBareJid();
167 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
168 if (contact.setAvatar(avatar)) {
169 mXmppConnectionService.getAvatarService().clear(contact);
170 mXmppConnectionService.updateConversationUi();
171 mXmppConnectionService.updateRosterUi();
172 }
173 } else {
174 mXmppConnectionService.fetchAvatar(account, avatar);
175 }
176 }
177 int sizeBefore = contact.getPresences().size();
178 contact.updatePresence(presence, Presences.parseShow(packet.findChild("show")));
179 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
180 Element x = packet.findChild("x", "jabber:x:signed");
181 if (pgp != null && x != null) {
182 Element status = packet.findChild("status");
183 String msg = status != null ? status.getContent() : "";
184 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
185 }
186 boolean online = sizeBefore < contact.getPresences().size();
187 updateLastseen(packet, account, false);
188 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
189 } else if (type.equals("unavailable")) {
190 if (from.isBareJid()) {
191 contact.clearPresences();
192 } else {
193 contact.removePresence(from.getResourcepart());
194 }
195 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
196 } else if (type.equals("subscribe")) {
197 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
198 mXmppConnectionService.sendPresencePacket(account,
199 mPresenceGenerator.sendPresenceUpdatesTo(contact));
200 } else {
201 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
202 final String statusMessage = packet.findChildContent("status");
203 if (statusMessage != null && !statusMessage.isEmpty()) {
204 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
205 account, contact.getJid().toBareJid(), false);
206 conversation.add(new Message(
207 conversation,
208 statusMessage,
209 Message.ENCRYPTION_NONE,
210 Message.STATUS_RECEIVED
211 ));
212 }
213 }
214 }
215 mXmppConnectionService.updateRosterUi();
216 }
217
218 @Override
219 public void onPresencePacketReceived(Account account, PresencePacket packet) {
220 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
221 this.parseConferencePresence(packet, account);
222 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
223 this.parseConferencePresence(packet, account);
224 } else {
225 this.parseContactPresence(packet, account);
226 }
227 }
228
229}