1package eu.siacs.conversations.parser;
2
3import java.util.ArrayList;
4
5import eu.siacs.conversations.crypto.PgpEngine;
6import eu.siacs.conversations.entities.Account;
7import eu.siacs.conversations.entities.Contact;
8import eu.siacs.conversations.entities.Conversation;
9import eu.siacs.conversations.entities.MucOptions;
10import eu.siacs.conversations.entities.Presences;
11import eu.siacs.conversations.generator.PresenceGenerator;
12import eu.siacs.conversations.services.XmppConnectionService;
13import eu.siacs.conversations.xml.Element;
14import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
15import eu.siacs.conversations.xmpp.jid.Jid;
16import eu.siacs.conversations.xmpp.pep.Avatar;
17import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
18
19public class PresenceParser extends AbstractParser implements
20 OnPresencePacketReceived {
21
22 public PresenceParser(XmppConnectionService service) {
23 super(service);
24 }
25
26 public void parseConferencePresence(PresencePacket packet, Account account) {
27 PgpEngine mPgpEngine = mXmppConnectionService.getPgpEngine();
28 final Conversation conversation = packet.getFrom() == null ? null : mXmppConnectionService.find(account, packet.getFrom().toBareJid());
29 if (conversation != null) {
30 final MucOptions mucOptions = conversation.getMucOptions();
31 boolean before = mucOptions.online();
32 int count = mucOptions.getUsers().size();
33 final ArrayList<MucOptions.User> tileUserBefore = new ArrayList<>(mucOptions.getUsers().subList(0,Math.min(mucOptions.getUsers().size(),5)));
34 mucOptions.processPacket(packet, mPgpEngine);
35 final ArrayList<MucOptions.User> tileUserAfter = new ArrayList<>(mucOptions.getUsers().subList(0,Math.min(mucOptions.getUsers().size(),5)));
36 if (!tileUserAfter.equals(tileUserBefore)) {
37 mXmppConnectionService.getAvatarService().clear(conversation);
38 }
39 if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUsers().size())) {
40 mXmppConnectionService.updateConversationUi();
41 } else if (mucOptions.online()) {
42 mXmppConnectionService.updateMucRosterUi();
43 }
44 }
45 }
46
47 public void parseContactPresence(PresencePacket packet, Account account) {
48 PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
49 final Jid from = packet.getFrom();
50 if (from == null) {
51 return;
52 }
53 final String type = packet.getAttribute("type");
54 final Contact contact = account.getRoster().getContact(from);
55 if (type == null) {
56 String presence = from.isBareJid() ? "" : from.getResourcepart();
57 contact.setPresenceName(packet.findChildContent("nick", "http://jabber.org/protocol/nick"));
58 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
59 if (avatar != null && !contact.isSelf()) {
60 avatar.owner = from.toBareJid();
61 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
62 if (contact.setAvatar(avatar)) {
63 mXmppConnectionService.getAvatarService().clear(contact);
64 mXmppConnectionService.updateConversationUi();
65 mXmppConnectionService.updateRosterUi();
66 }
67 } else {
68 mXmppConnectionService.fetchAvatar(account, avatar);
69 }
70 }
71 int sizeBefore = contact.getPresences().size();
72 contact.updatePresence(presence, Presences.parseShow(packet.findChild("show")));
73 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
74 Element x = packet.findChild("x", "jabber:x:signed");
75 if (pgp != null && x != null) {
76 Element status = packet.findChild("status");
77 String msg = status != null ? status.getContent() : "";
78 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
79 }
80 boolean online = sizeBefore < contact.getPresences().size();
81 updateLastseen(packet, account, false);
82 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
83 } else if (type.equals("unavailable")) {
84 if (from.isBareJid()) {
85 contact.clearPresences();
86 } else {
87 contact.removePresence(from.getResourcepart());
88 }
89 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
90 } else if (type.equals("subscribe")) {
91 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
92 mXmppConnectionService.sendPresencePacket(account,
93 mPresenceGenerator.sendPresenceUpdatesTo(contact));
94 } else {
95 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
96 }
97 }
98 mXmppConnectionService.updateRosterUi();
99 }
100
101 @Override
102 public void onPresencePacketReceived(Account account, PresencePacket packet) {
103 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
104 this.parseConferencePresence(packet, account);
105 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
106 this.parseConferencePresence(packet, account);
107 } else {
108 this.parseContactPresence(packet, account);
109 }
110 }
111
112}