1package eu.siacs.conversations.generator;
2
3import android.os.Bundle;
4import android.util.Base64;
5import android.util.Log;
6import eu.siacs.conversations.Config;
7import eu.siacs.conversations.crypto.axolotl.AxolotlService;
8import eu.siacs.conversations.entities.Account;
9import eu.siacs.conversations.entities.Conversation;
10import eu.siacs.conversations.services.MessageArchiveService;
11import eu.siacs.conversations.services.XmppConnectionService;
12import eu.siacs.conversations.xml.Element;
13import eu.siacs.conversations.xml.Namespace;
14import eu.siacs.conversations.xmpp.Jid;
15import eu.siacs.conversations.xmpp.forms.Data;
16import eu.siacs.conversations.xmpp.pep.Avatar;
17import im.conversations.android.xmpp.model.stanza.Iq;
18import java.security.cert.CertificateEncodingException;
19import java.security.cert.X509Certificate;
20import java.util.ArrayList;
21import java.util.List;
22import java.util.Set;
23import org.whispersystems.libsignal.IdentityKey;
24import org.whispersystems.libsignal.ecc.ECPublicKey;
25import org.whispersystems.libsignal.state.PreKeyRecord;
26import org.whispersystems.libsignal.state.SignedPreKeyRecord;
27
28public class IqGenerator extends AbstractGenerator {
29
30 public IqGenerator(final XmppConnectionService service) {
31 super(service);
32 }
33
34 public static Iq purgeOfflineMessages() {
35 final Iq packet = new Iq(Iq.Type.SET);
36 packet.addChild("offline", Namespace.FLEXIBLE_OFFLINE_MESSAGE_RETRIEVAL).addChild("purge");
37 return packet;
38 }
39
40 protected Iq publish(final String node, final Element item, final Bundle options) {
41 final var packet = new Iq(Iq.Type.SET);
42 final Element pubsub = packet.addChild("pubsub", Namespace.PUBSUB);
43 final Element publish = pubsub.addChild("publish");
44 publish.setAttribute("node", node);
45 publish.addChild(item);
46 if (options != null) {
47 final Element publishOptions = pubsub.addChild("publish-options");
48 publishOptions.addChild(Data.create(Namespace.PUBSUB_PUBLISH_OPTIONS, options));
49 }
50 return packet;
51 }
52
53 protected Iq publish(final String node, final Element item) {
54 return publish(node, item, null);
55 }
56
57 private Iq retrieve(String node, Element item) {
58 final var packet = new Iq(Iq.Type.GET);
59 final Element pubsub = packet.addChild("pubsub", Namespace.PUBSUB);
60 final Element items = pubsub.addChild("items");
61 items.setAttribute("node", node);
62 if (item != null) {
63 items.addChild(item);
64 }
65 return packet;
66 }
67
68 public Iq deleteNode(final String node) {
69 final var packet = new Iq(Iq.Type.SET);
70 final Element pubsub = packet.addChild("pubsub", Namespace.PUBSUB_OWNER);
71 pubsub.addChild("delete").setAttribute("node", node);
72 return packet;
73 }
74
75 public Iq retrievePepAvatar(final Avatar avatar) {
76 final Element item = new Element("item");
77 item.setAttribute("id", avatar.sha1sum);
78 final var packet = retrieve(Namespace.AVATAR_DATA, item);
79 packet.setTo(avatar.owner);
80 return packet;
81 }
82
83 public Iq retrieveVcardAvatar(final Avatar avatar) {
84 final Iq packet = new Iq(Iq.Type.GET);
85 packet.setTo(avatar.owner);
86 packet.addChild("vCard", "vcard-temp");
87 return packet;
88 }
89
90 public Iq retrieveDeviceIds(final Jid to) {
91 final var packet = retrieve(AxolotlService.PEP_DEVICE_LIST, null);
92 if (to != null) {
93 packet.setTo(to);
94 }
95 return packet;
96 }
97
98 public Iq retrieveBundlesForDevice(final Jid to, final int deviceid) {
99 final var packet = retrieve(AxolotlService.PEP_BUNDLES + ":" + deviceid, null);
100 packet.setTo(to);
101 return packet;
102 }
103
104 public Iq retrieveVerificationForDevice(final Jid to, final int deviceid) {
105 final var packet = retrieve(AxolotlService.PEP_VERIFICATION + ":" + deviceid, null);
106 packet.setTo(to);
107 return packet;
108 }
109
110 public Iq publishDeviceIds(final Set<Integer> ids, final Bundle publishOptions) {
111 final Element item = new Element("item");
112 item.setAttribute("id", "current");
113 final Element list = item.addChild("list", AxolotlService.PEP_PREFIX);
114 for (Integer id : ids) {
115 final Element device = new Element("device");
116 device.setAttribute("id", id);
117 list.addChild(device);
118 }
119 return publish(AxolotlService.PEP_DEVICE_LIST, item, publishOptions);
120 }
121
122 public Iq publishBundles(
123 final SignedPreKeyRecord signedPreKeyRecord,
124 final IdentityKey identityKey,
125 final Set<PreKeyRecord> preKeyRecords,
126 final int deviceId,
127 Bundle publishOptions) {
128 final Element item = new Element("item");
129 item.setAttribute("id", "current");
130 final Element bundle = item.addChild("bundle", AxolotlService.PEP_PREFIX);
131 final Element signedPreKeyPublic = bundle.addChild("signedPreKeyPublic");
132 signedPreKeyPublic.setAttribute("signedPreKeyId", signedPreKeyRecord.getId());
133 ECPublicKey publicKey = signedPreKeyRecord.getKeyPair().getPublicKey();
134 signedPreKeyPublic.setContent(Base64.encodeToString(publicKey.serialize(), Base64.NO_WRAP));
135 final Element signedPreKeySignature = bundle.addChild("signedPreKeySignature");
136 signedPreKeySignature.setContent(
137 Base64.encodeToString(signedPreKeyRecord.getSignature(), Base64.NO_WRAP));
138 final Element identityKeyElement = bundle.addChild("identityKey");
139 identityKeyElement.setContent(
140 Base64.encodeToString(identityKey.serialize(), Base64.NO_WRAP));
141
142 final Element prekeys = bundle.addChild("prekeys", AxolotlService.PEP_PREFIX);
143 for (PreKeyRecord preKeyRecord : preKeyRecords) {
144 final Element prekey = prekeys.addChild("preKeyPublic");
145 prekey.setAttribute("preKeyId", preKeyRecord.getId());
146 prekey.setContent(
147 Base64.encodeToString(
148 preKeyRecord.getKeyPair().getPublicKey().serialize(), Base64.NO_WRAP));
149 }
150
151 return publish(AxolotlService.PEP_BUNDLES + ":" + deviceId, item, publishOptions);
152 }
153
154 public Iq publishVerification(
155 byte[] signature, X509Certificate[] certificates, final int deviceId) {
156 final Element item = new Element("item");
157 item.setAttribute("id", "current");
158 final Element verification = item.addChild("verification", AxolotlService.PEP_PREFIX);
159 final Element chain = verification.addChild("chain");
160 for (int i = 0; i < certificates.length; ++i) {
161 try {
162 Element certificate = chain.addChild("certificate");
163 certificate.setContent(
164 Base64.encodeToString(certificates[i].getEncoded(), Base64.NO_WRAP));
165 certificate.setAttribute("index", i);
166 } catch (CertificateEncodingException e) {
167 Log.d(Config.LOGTAG, "could not encode certificate");
168 }
169 }
170 verification
171 .addChild("signature")
172 .setContent(Base64.encodeToString(signature, Base64.NO_WRAP));
173 return publish(AxolotlService.PEP_VERIFICATION + ":" + deviceId, item);
174 }
175
176 public Iq queryMessageArchiveManagement(final MessageArchiveService.Query mam) {
177 final Iq packet = new Iq(Iq.Type.SET);
178 final Element query = packet.query(mam.version.namespace);
179 query.setAttribute("queryid", mam.getQueryId());
180 final Data data = new Data();
181 data.setFormType(mam.version.namespace);
182 if (mam.muc()) {
183 packet.setTo(mam.getWith());
184 } else if (mam.getWith() != null) {
185 data.put("with", mam.getWith().toString());
186 }
187 final long start = mam.getStart();
188 final long end = mam.getEnd();
189 if (start != 0) {
190 data.put("start", getTimestamp(start));
191 }
192 if (end != 0) {
193 data.put("end", getTimestamp(end));
194 }
195 data.submit();
196 query.addChild(data);
197 Element set = query.addChild("set", "http://jabber.org/protocol/rsm");
198 if (mam.getPagingOrder() == MessageArchiveService.PagingOrder.REVERSE) {
199 set.addChild("before").setContent(mam.getReference());
200 } else if (mam.getReference() != null) {
201 set.addChild("after").setContent(mam.getReference());
202 }
203 set.addChild("max").setContent(String.valueOf(Config.PAGE_SIZE));
204 return packet;
205 }
206
207 public Iq generateSetPassword(final Account account, final String newPassword) {
208 final Iq packet = new Iq(Iq.Type.SET);
209 packet.setTo(account.getDomain());
210 final Element query = packet.addChild("query", Namespace.REGISTER);
211 final Jid jid = account.getJid();
212 query.addChild("username").setContent(jid.getLocal());
213 query.addChild("password").setContent(newPassword);
214 return packet;
215 }
216
217 public Iq changeAffiliation(Conversation conference, Jid jid, String affiliation) {
218 List<Jid> jids = new ArrayList<>();
219 jids.add(jid);
220 return changeAffiliation(conference, jids, affiliation);
221 }
222
223 public Iq changeAffiliation(Conversation conference, List<Jid> jids, String affiliation) {
224 final Iq packet = new Iq(Iq.Type.SET);
225 packet.setTo(conference.getJid().asBareJid());
226 packet.setFrom(conference.getAccount().getJid());
227 Element query = packet.query("http://jabber.org/protocol/muc#admin");
228 for (Jid jid : jids) {
229 Element item = query.addChild("item");
230 item.setAttribute("jid", jid);
231 item.setAttribute("affiliation", affiliation);
232 }
233 return packet;
234 }
235
236 public Iq changeRole(Conversation conference, String nick, String role) {
237 final Iq packet = new Iq(Iq.Type.SET);
238 packet.setTo(conference.getJid().asBareJid());
239 packet.setFrom(conference.getAccount().getJid());
240 Element item = packet.query("http://jabber.org/protocol/muc#admin").addChild("item");
241 item.setAttribute("nick", nick);
242 item.setAttribute("role", role);
243 return packet;
244 }
245
246 public static Iq generateCreateAccountWithCaptcha(
247 final Account account, final String id, final Data data) {
248 final Iq register = new Iq(Iq.Type.SET);
249 register.setFrom(account.getJid().asBareJid());
250 register.setTo(account.getDomain());
251 register.setId(id);
252 Element query = register.query(Namespace.REGISTER);
253 if (data != null) {
254 query.addChild(data);
255 }
256 return register;
257 }
258
259 public Iq pushTokenToAppServer(Jid appServer, String token, String deviceId) {
260 return pushTokenToAppServer(appServer, token, deviceId, null);
261 }
262
263 public Iq pushTokenToAppServer(Jid appServer, String token, String deviceId, Jid muc) {
264 final Iq packet = new Iq(Iq.Type.SET);
265 packet.setTo(appServer);
266 final Element command = packet.addChild("command", Namespace.COMMANDS);
267 command.setAttribute("node", "register-push-fcm");
268 command.setAttribute("action", "execute");
269 final Data data = new Data();
270 data.put("token", token);
271 data.put("android-id", deviceId);
272 if (muc != null) {
273 data.put("muc", muc.toString());
274 }
275 data.submit();
276 command.addChild(data);
277 return packet;
278 }
279
280 public Iq unregisterChannelOnAppServer(Jid appServer, String deviceId, String channel) {
281 final Iq packet = new Iq(Iq.Type.SET);
282 packet.setTo(appServer);
283 final Element command = packet.addChild("command", Namespace.COMMANDS);
284 command.setAttribute("node", "unregister-push-fcm");
285 command.setAttribute("action", "execute");
286 final Data data = new Data();
287 data.put("channel", channel);
288 data.put("android-id", deviceId);
289 data.submit();
290 command.addChild(data);
291 return packet;
292 }
293
294 public Iq enablePush(final Jid jid, final String node, final String secret) {
295 final Iq packet = new Iq(Iq.Type.SET);
296 Element enable = packet.addChild("enable", Namespace.PUSH);
297 enable.setAttribute("jid", jid);
298 enable.setAttribute("node", node);
299 if (secret != null) {
300 Data data = new Data();
301 data.setFormType(Namespace.PUBSUB_PUBLISH_OPTIONS);
302 data.put("secret", secret);
303 data.submit();
304 enable.addChild(data);
305 }
306 return packet;
307 }
308
309 public Iq disablePush(final Jid jid, final String node) {
310 Iq packet = new Iq(Iq.Type.SET);
311 Element disable = packet.addChild("disable", Namespace.PUSH);
312 disable.setAttribute("jid", jid);
313 disable.setAttribute("node", node);
314 return packet;
315 }
316
317 public Iq queryAffiliation(Conversation conversation, String affiliation) {
318 final Iq packet = new Iq(Iq.Type.GET);
319 packet.setTo(conversation.getJid().asBareJid());
320 packet.query("http://jabber.org/protocol/muc#admin")
321 .addChild("item")
322 .setAttribute("affiliation", affiliation);
323 return packet;
324 }
325
326 public static Bundle defaultGroupChatConfiguration() {
327 Bundle options = new Bundle();
328 options.putString("muc#roomconfig_persistentroom", "1");
329 options.putString("muc#roomconfig_membersonly", "1");
330 options.putString("muc#roomconfig_publicroom", "0");
331 options.putString("muc#roomconfig_whois", "anyone");
332 options.putString("muc#roomconfig_changesubject", "0");
333 options.putString("muc#roomconfig_allowinvites", "0");
334 options.putString("muc#roomconfig_enablearchiving", "1"); // prosody
335 options.putString("mam", "1"); // ejabberd community
336 options.putString("muc#roomconfig_mam", "1"); // ejabberd saas
337 return options;
338 }
339
340 public static Bundle defaultChannelConfiguration() {
341 Bundle options = new Bundle();
342 options.putString("muc#roomconfig_persistentroom", "1");
343 options.putString("muc#roomconfig_membersonly", "0");
344 options.putString("muc#roomconfig_publicroom", "1");
345 options.putString("muc#roomconfig_whois", "moderators");
346 options.putString("muc#roomconfig_changesubject", "0");
347 options.putString("muc#roomconfig_enablearchiving", "1"); // prosody
348 options.putString("mam", "1"); // ejabberd community
349 options.putString("muc#roomconfig_mam", "1"); // ejabberd saas
350 return options;
351 }
352
353 public Iq requestPubsubConfiguration(Jid jid, String node) {
354 return pubsubConfiguration(jid, node, null);
355 }
356
357 public Iq publishPubsubConfiguration(Jid jid, String node, Data data) {
358 return pubsubConfiguration(jid, node, data);
359 }
360
361 private Iq pubsubConfiguration(Jid jid, String node, Data data) {
362 final Iq packet = new Iq(data == null ? Iq.Type.GET : Iq.Type.SET);
363 packet.setTo(jid);
364 Element pubsub = packet.addChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
365 Element configure = pubsub.addChild("configure").setAttribute("node", node);
366 if (data != null) {
367 configure.addChild(data);
368 }
369 return packet;
370 }
371}