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.Message;
10import eu.siacs.conversations.entities.MucOptions;
11import eu.siacs.conversations.entities.Presences;
12import eu.siacs.conversations.generator.PresenceGenerator;
13import eu.siacs.conversations.services.XmppConnectionService;
14import eu.siacs.conversations.xml.Element;
15import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
16import eu.siacs.conversations.xmpp.jid.Jid;
17import eu.siacs.conversations.xmpp.pep.Avatar;
18import eu.siacs.conversations.xmpp.stanzas.PresencePacket;
19
20public class PresenceParser extends AbstractParser implements
21 OnPresencePacketReceived {
22
23 public PresenceParser(XmppConnectionService service) {
24 super(service);
25 }
26
27 public void parseConferencePresence(PresencePacket packet, Account account) {
28 PgpEngine mPgpEngine = mXmppConnectionService.getPgpEngine();
29 final Conversation conversation = packet.getFrom() == null ? null : mXmppConnectionService.find(account, packet.getFrom().toBareJid());
30 if (conversation != null) {
31 final MucOptions mucOptions = conversation.getMucOptions();
32 boolean before = mucOptions.online();
33 int count = mucOptions.getUsers().size();
34 final ArrayList<MucOptions.User> tileUserBefore = new ArrayList<>(mucOptions.getUsers().subList(0,Math.min(mucOptions.getUsers().size(),5)));
35 mucOptions.processPacket(packet, mPgpEngine);
36 final ArrayList<MucOptions.User> tileUserAfter = new ArrayList<>(mucOptions.getUsers().subList(0,Math.min(mucOptions.getUsers().size(),5)));
37 if (!tileUserAfter.equals(tileUserBefore)) {
38 mXmppConnectionService.getAvatarService().clear(conversation);
39 }
40 if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUsers().size())) {
41 mXmppConnectionService.updateConversationUi();
42 } else if (mucOptions.online()) {
43 mXmppConnectionService.updateMucRosterUi();
44 }
45 }
46 }
47
48 public void parseContactPresence(final PresencePacket packet, final Account account) {
49 final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
50 final Jid from = packet.getFrom();
51 if (from == null) {
52 return;
53 }
54 final String type = packet.getAttribute("type");
55 final Contact contact = account.getRoster().getContact(from);
56 if (type == null) {
57 String presence = from.isBareJid() ? "" : from.getResourcepart();
58 contact.setPresenceName(packet.findChildContent("nick", "http://jabber.org/protocol/nick"));
59 Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
60 if (avatar != null && !contact.isSelf()) {
61 avatar.owner = from.toBareJid();
62 if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
63 if (contact.setAvatar(avatar)) {
64 mXmppConnectionService.getAvatarService().clear(contact);
65 mXmppConnectionService.updateConversationUi();
66 mXmppConnectionService.updateRosterUi();
67 }
68 } else {
69 mXmppConnectionService.fetchAvatar(account, avatar);
70 }
71 }
72 int sizeBefore = contact.getPresences().size();
73 contact.updatePresence(presence, Presences.parseShow(packet.findChild("show")));
74 PgpEngine pgp = mXmppConnectionService.getPgpEngine();
75 Element x = packet.findChild("x", "jabber:x:signed");
76 if (pgp != null && x != null) {
77 Element status = packet.findChild("status");
78 String msg = status != null ? status.getContent() : "";
79 contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
80 }
81 boolean online = sizeBefore < contact.getPresences().size();
82 updateLastseen(packet, account, false);
83 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
84 } else if (type.equals("unavailable")) {
85 if (from.isBareJid()) {
86 contact.clearPresences();
87 } else {
88 contact.removePresence(from.getResourcepart());
89 }
90 mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
91 } else if (type.equals("subscribe")) {
92 if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
93 mXmppConnectionService.sendPresencePacket(account,
94 mPresenceGenerator.sendPresenceUpdatesTo(contact));
95 } else {
96 contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
97 final String statusMessage = packet.findChildContent("status");
98 if (statusMessage != null && !statusMessage.isEmpty()) {
99 final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
100 account, contact.getJid().toBareJid(), false);
101 conversation.add(new Message(
102 conversation,
103 statusMessage,
104 Message.ENCRYPTION_NONE,
105 Message.STATUS_RECEIVED
106 ));
107 }
108 }
109 }
110 mXmppConnectionService.updateRosterUi();
111 }
112
113 @Override
114 public void onPresencePacketReceived(Account account, PresencePacket packet) {
115 if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
116 this.parseConferencePresence(packet, account);
117 } else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
118 this.parseConferencePresence(packet, account);
119 } else {
120 this.parseContactPresence(packet, account);
121 }
122 }
123
124}