aboutsummaryrefslogtreecommitdiffstats
path: root/src/main/java/eu/siacs/conversations/parser/PresenceParser.java
blob: 2a912a45af418eaed0fb2a525630dac7d09542ca (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
package eu.siacs.conversations.parser;

import android.util.Log;

import java.util.ArrayList;
import java.util.List;


import eu.siacs.conversations.Config;
import eu.siacs.conversations.crypto.PgpEngine;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Contact;
import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.entities.MucOptions;
import eu.siacs.conversations.entities.Presence;
import eu.siacs.conversations.generator.PresenceGenerator;
import eu.siacs.conversations.services.XmppConnectionService;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xmpp.OnPresencePacketReceived;
import eu.siacs.conversations.xmpp.jid.Jid;
import eu.siacs.conversations.xmpp.pep.Avatar;
import eu.siacs.conversations.xmpp.stanzas.PresencePacket;

public class PresenceParser extends AbstractParser implements
		OnPresencePacketReceived {

	public PresenceParser(XmppConnectionService service) {
		super(service);
	}

	public void parseConferencePresence(PresencePacket packet, Account account) {
		final Conversation conversation = packet.getFrom() == null ? null : mXmppConnectionService.find(account, packet.getFrom().toBareJid());
		if (conversation != null) {
			final MucOptions mucOptions = conversation.getMucOptions();
			boolean before = mucOptions.online();
			int count = mucOptions.getUserCount();
			final List<MucOptions.User> tileUserBefore = mucOptions.getUsers(5);
			processConferencePresence(packet, mucOptions);
			final List<MucOptions.User> tileUserAfter = mucOptions.getUsers(5);
			if (!tileUserAfter.equals(tileUserBefore)) {
				mXmppConnectionService.getAvatarService().clear(mucOptions);
			}
			if (before != mucOptions.online() || (mucOptions.online() && count != mucOptions.getUserCount())) {
				mXmppConnectionService.updateConversationUi();
			} else if (mucOptions.online()) {
				mXmppConnectionService.updateMucRosterUi();
			}
		}
	}

	private void processConferencePresence(PresencePacket packet, MucOptions mucOptions) {
		final Jid from = packet.getFrom();
		if (!from.isBareJid()) {
			final String type = packet.getAttribute("type");
			final Element x = packet.findChild("x", "http://jabber.org/protocol/muc#user");
			Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
			final List<String> codes = getStatusCodes(x);
			if (type == null) {
				if (x != null) {
					Element item = x.findChild("item");
					if (item != null && !from.isBareJid()) {
						mucOptions.setError(MucOptions.Error.NONE);
						MucOptions.User user = new MucOptions.User(mucOptions, from);
						user.setAffiliation(item.getAttribute("affiliation"));
						user.setRole(item.getAttribute("role"));
						user.setRealJid(item.getAttributeAsJid("jid"));
						if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) || packet.getFrom().equals(mucOptions.getConversation().getJid())) {
							mucOptions.setOnline();
							mucOptions.setSelf(user);
							if (mucOptions.mNickChangingInProgress) {
								if (mucOptions.onRenameListener != null) {
									mucOptions.onRenameListener.onSuccess();
								}
								mucOptions.mNickChangingInProgress = false;
							}
						} else {
							mucOptions.addUser(user);
						}
						if (mXmppConnectionService.getPgpEngine() != null) {
							Element signed = packet.findChild("x", "jabber:x:signed");
							if (signed != null) {
								Element status = packet.findChild("status");
								String msg = status == null ? "" : status.getContent();
								long keyId = mXmppConnectionService.getPgpEngine().fetchKeyId(mucOptions.getAccount(), msg, signed.getContent());
								if (keyId != 0) {
									user.setPgpKeyId(keyId);
								}
							}
						}
						if (avatar != null) {
							avatar.owner = from;
							if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
								if (user.setAvatar(avatar)) {
									mXmppConnectionService.getAvatarService().clear(user);
								}
							} else {
								mXmppConnectionService.fetchAvatar(mucOptions.getAccount(), avatar);
							}
						}
					}
				}
			} else if (type.equals("unavailable")) {
				if (codes.contains(MucOptions.STATUS_CODE_SELF_PRESENCE) ||
						packet.getFrom().equals(mucOptions.getConversation().getJid())) {
					if (codes.contains(MucOptions.STATUS_CODE_CHANGED_NICK)) {
						mucOptions.mNickChangingInProgress = true;
					} else if (codes.contains(MucOptions.STATUS_CODE_KICKED)) {
						mucOptions.setError(MucOptions.Error.KICKED);
					} else if (codes.contains(MucOptions.STATUS_CODE_BANNED)) {
						mucOptions.setError(MucOptions.Error.BANNED);
					} else if (codes.contains(MucOptions.STATUS_CODE_LOST_MEMBERSHIP)) {
						mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
					} else if (codes.contains(MucOptions.STATUS_CODE_AFFILIATION_CHANGE)) {
						mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
					} else if (codes.contains(MucOptions.STATUS_CODE_SHUTDOWN)) {
						mucOptions.setError(MucOptions.Error.SHUTDOWN);
					} else {
						mucOptions.setError(MucOptions.Error.UNKNOWN);
						Log.d(Config.LOGTAG, "unknown error in conference: " + packet);
					}
				} else if (!from.isBareJid()){
					MucOptions.User user = mucOptions.deleteUser(from);
					if (user != null) {
						mXmppConnectionService.getAvatarService().clear(user);
					}
				}
			} else if (type.equals("error")) {
				Element error = packet.findChild("error");
				if (error != null && error.hasChild("conflict")) {
					if (mucOptions.online()) {
						if (mucOptions.onRenameListener != null) {
							mucOptions.onRenameListener.onFailure();
						}
					} else {
						mucOptions.setError(MucOptions.Error.NICK_IN_USE);
					}
				} else if (error != null && error.hasChild("not-authorized")) {
					mucOptions.setError(MucOptions.Error.PASSWORD_REQUIRED);
				} else if (error != null && error.hasChild("forbidden")) {
					mucOptions.setError(MucOptions.Error.BANNED);
				} else if (error != null && error.hasChild("registration-required")) {
					mucOptions.setError(MucOptions.Error.MEMBERS_ONLY);
				}
			}
		}
	}

	private static List<String> getStatusCodes(Element x) {
		List<String> codes = new ArrayList<>();
		if (x != null) {
			for (Element child : x.getChildren()) {
				if (child.getName().equals("status")) {
					String code = child.getAttribute("code");
					if (code != null) {
						codes.add(code);
					}
				}
			}
		}
		return codes;
	}

	public void parseContactPresence(final PresencePacket packet, final Account account) {
		final PresenceGenerator mPresenceGenerator = mXmppConnectionService.getPresenceGenerator();
		final Jid from = packet.getFrom();
		if (from == null || from.equals(account.getJid())) {
			return;
		}
		final String type = packet.getAttribute("type");
		final Contact contact = account.getRoster().getContact(from);
		if (type == null) {
			final String resource = from.isBareJid() ? "" : from.getResourcepart();
			contact.setPresenceName(packet.findChildContent("nick", "http://jabber.org/protocol/nick"));
			Avatar avatar = Avatar.parsePresence(packet.findChild("x", "vcard-temp:x:update"));
			if (avatar != null && !contact.isSelf()) {
				avatar.owner = from.toBareJid();
				if (mXmppConnectionService.getFileBackend().isAvatarCached(avatar)) {
					if (contact.setAvatar(avatar)) {
						mXmppConnectionService.getAvatarService().clear(contact);
						mXmppConnectionService.updateConversationUi();
						mXmppConnectionService.updateRosterUi();
					}
				} else {
					mXmppConnectionService.fetchAvatar(account, avatar);
				}
			}
			int sizeBefore = contact.getPresences().size();

			final String show = packet.findChildContent("show");
			final Element caps = packet.findChild("c", "http://jabber.org/protocol/caps");
			final String message = packet.findChildContent("status");
			final Presence presence = Presence.parse(show, caps, message);
			contact.updatePresence(resource, presence);
			if (presence.hasCaps()) {
				mXmppConnectionService.fetchCaps(account, from, presence);
			}

			PgpEngine pgp = mXmppConnectionService.getPgpEngine();
			Element x = packet.findChild("x", "jabber:x:signed");
			if (pgp != null && x != null) {
				Element status = packet.findChild("status");
				String msg = status != null ? status.getContent() : "";
				contact.setPgpKeyId(pgp.fetchKeyId(account, msg, x.getContent()));
			}
			boolean online = sizeBefore < contact.getPresences().size();
			mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, online);
		} else if (type.equals("unavailable")) {
			if (from.isBareJid()) {
				contact.clearPresences();
			} else {
				contact.removePresence(from.getResourcepart());
			}
			mXmppConnectionService.onContactStatusChanged.onContactStatusChanged(contact, false);
		} else if (type.equals("subscribe")) {
			if (contact.getOption(Contact.Options.PREEMPTIVE_GRANT)) {
				mXmppConnectionService.sendPresencePacket(account,
						mPresenceGenerator.sendPresenceUpdatesTo(contact));
			} else {
				contact.setOption(Contact.Options.PENDING_SUBSCRIPTION_REQUEST);
				final Conversation conversation = mXmppConnectionService.findOrCreateConversation(
						account, contact.getJid().toBareJid(), false);
				final String statusMessage = packet.findChildContent("status");
				if (statusMessage != null
						&& !statusMessage.isEmpty()
						&& conversation.countMessages() == 0) {
					conversation.add(new Message(
							conversation,
							statusMessage,
							Message.ENCRYPTION_NONE,
							Message.STATUS_RECEIVED
					));
				}
			}
		}
		mXmppConnectionService.updateRosterUi();
	}

	@Override
	public void onPresencePacketReceived(Account account, PresencePacket packet) {
		if (packet.hasChild("x", "http://jabber.org/protocol/muc#user")) {
			this.parseConferencePresence(packet, account);
		} else if (packet.hasChild("x", "http://jabber.org/protocol/muc")) {
			this.parseConferencePresence(packet, account);
		} else {
			this.parseContactPresence(packet, account);
		}
	}

}