1package eu.siacs.conversations.generator;
2
3import android.os.Bundle;
4import android.util.Base64;
5import android.util.Base64OutputStream;
6import android.util.Log;
7
8import com.cheogram.android.BobTransfer;
9
10import com.google.common.base.Strings;
11import com.google.common.io.ByteStreams;
12
13import org.whispersystems.libsignal.IdentityKey;
14import org.whispersystems.libsignal.ecc.ECPublicKey;
15import org.whispersystems.libsignal.state.PreKeyRecord;
16import org.whispersystems.libsignal.state.SignedPreKeyRecord;
17
18import java.io.ByteArrayOutputStream;
19import java.io.FileInputStream;
20import java.io.IOException;
21import java.nio.ByteBuffer;
22import java.security.cert.CertificateEncodingException;
23import java.security.cert.X509Certificate;
24import java.util.ArrayList;
25import java.util.List;
26import java.util.Locale;
27import java.util.Set;
28import java.util.TimeZone;
29import java.util.UUID;
30
31import io.ipfs.cid.Cid;
32
33import eu.siacs.conversations.Config;
34import eu.siacs.conversations.R;
35import eu.siacs.conversations.crypto.axolotl.AxolotlService;
36import eu.siacs.conversations.entities.Account;
37import eu.siacs.conversations.entities.Bookmark;
38import eu.siacs.conversations.entities.Conversation;
39import eu.siacs.conversations.entities.DownloadableFile;
40import eu.siacs.conversations.entities.Message;
41import eu.siacs.conversations.services.MessageArchiveService;
42import eu.siacs.conversations.services.QuickConversationsService;
43import eu.siacs.conversations.services.XmppConnectionService;
44import eu.siacs.conversations.xml.Element;
45import eu.siacs.conversations.xml.Namespace;
46import eu.siacs.conversations.xmpp.Jid;
47import eu.siacs.conversations.xmpp.forms.Data;
48import eu.siacs.conversations.xmpp.pep.Avatar;
49import im.conversations.android.xmpp.model.stanza.Iq;
50
51public class IqGenerator extends AbstractGenerator {
52
53 public IqGenerator(final XmppConnectionService service) {
54 super(service);
55 }
56
57 public Iq discoResponse(final Account account, final Iq request) {
58 final var packet = new Iq(Iq.Type.RESULT);
59 packet.setId(request.getId());
60 packet.setTo(request.getFrom());
61 final Element query = packet.addChild("query", "http://jabber.org/protocol/disco#info");
62 query.setAttribute("node", request.query().getAttribute("node"));
63 final Element identity = query.addChild("identity");
64 identity.setAttribute("category", "client");
65 identity.setAttribute("type", getIdentityType());
66 identity.setAttribute("name", getIdentityName());
67 for (final String feature : getFeatures(account)) {
68 query.addChild("feature").setAttribute("var", feature);
69 }
70 return packet;
71 }
72
73 public Iq versionResponse(final Iq request) {
74 final var packet = request.generateResponse(Iq.Type.RESULT);
75 Element query = packet.query("jabber:iq:version");
76 query.addChild("name").setContent(mXmppConnectionService.getString(R.string.app_name));
77 query.addChild("version").setContent(getIdentityVersion());
78 final StringBuilder os = new StringBuilder();
79 if ("chromium".equals(android.os.Build.BRAND)) {
80 os.append("Chrome OS");
81 } else {
82 os.append("Android");
83 }
84 os.append(" ");
85 os.append(android.os.Build.VERSION.RELEASE);
86 if (QuickConversationsService.isPlayStoreFlavor()) {
87 os.append(" (");
88 os.append(android.os.Build.BOARD);
89 os.append(", ");
90 os.append(android.os.Build.FINGERPRINT);
91 os.append(")");
92 query.addChild("os").setContent(os.toString());
93 }
94 return packet;
95 }
96
97 public Iq entityTimeResponse(final Iq request) {
98 final Iq packet = request.generateResponse(Iq.Type.RESULT);
99 Element time = packet.addChild("time", "urn:xmpp:time");
100 final long now = System.currentTimeMillis();
101 time.addChild("utc").setContent(getTimestamp(now));
102 TimeZone ourTimezone = TimeZone.getDefault();
103 long offsetSeconds = ourTimezone.getOffset(now) / 1000;
104 long offsetMinutes = Math.abs((offsetSeconds % 3600) / 60);
105 long offsetHours = offsetSeconds / 3600;
106 String hours;
107 if (offsetHours < 0) {
108 hours = String.format(Locale.US, "%03d", offsetHours);
109 } else {
110 hours = String.format(Locale.US, "%02d", offsetHours);
111 }
112 String minutes = String.format(Locale.US, "%02d", offsetMinutes);
113 time.addChild("tzo").setContent(hours + ":" + minutes);
114 return packet;
115 }
116
117 public static Iq purgeOfflineMessages() {
118 final Iq packet = new Iq(Iq.Type.SET);
119 packet.addChild("offline", Namespace.FLEXIBLE_OFFLINE_MESSAGE_RETRIEVAL).addChild("purge");
120 return packet;
121 }
122
123 protected Iq publish(final String node, final Element item, final Bundle options) {
124 final var packet = new Iq(Iq.Type.SET);
125 final Element pubsub = packet.addChild("pubsub", Namespace.PUBSUB);
126 final Element publish = pubsub.addChild("publish");
127 publish.setAttribute("node", node);
128 publish.addChild(item);
129 if (options != null) {
130 final Element publishOptions = pubsub.addChild("publish-options");
131 publishOptions.addChild(Data.create(Namespace.PUBSUB_PUBLISH_OPTIONS, options));
132 }
133 return packet;
134 }
135
136 protected Iq publish(final String node, final Element item) {
137 return publish(node, item, null);
138 }
139
140 private Iq retrieve(String node, Element item) {
141 final var packet = new Iq(Iq.Type.GET);
142 final Element pubsub = packet.addChild("pubsub", Namespace.PUBSUB);
143 final Element items = pubsub.addChild("items");
144 items.setAttribute("node", node);
145 if (item != null) {
146 items.addChild(item);
147 }
148 return packet;
149 }
150
151 public Iq retrieveVcard4(final Jid jid) {
152 final var packet = retrieve("urn:xmpp:vcard4", null);
153 packet.setTo(jid);
154 return packet;
155 }
156
157 public Iq retrieveBookmarks() {
158 return retrieve(Namespace.BOOKMARKS2, null);
159 }
160
161 public Iq retrieveMds() {
162 return retrieve(Namespace.MDS_DISPLAYED, null);
163 }
164
165 public Iq publishNick(String nick) {
166 final Element item = new Element("item");
167 item.setAttribute("id", "current");
168 item.addChild("nick", Namespace.NICK).setContent(nick);
169 return publish(Namespace.NICK, item);
170 }
171
172 public Iq deleteNode(final String node) {
173 final var packet = new Iq(Iq.Type.SET);
174 final Element pubsub = packet.addChild("pubsub", Namespace.PUBSUB_OWNER);
175 pubsub.addChild("delete").setAttribute("node", node);
176 return packet;
177 }
178
179 public Iq deleteItem(final String node, final String id) {
180 final var packet = new Iq(Iq.Type.SET);
181 final Element pubsub = packet.addChild("pubsub", Namespace.PUBSUB);
182 final Element retract = pubsub.addChild("retract");
183 retract.setAttribute("node", node);
184 retract.setAttribute("notify", "true");
185 retract.addChild("item").setAttribute("id", id);
186 return packet;
187 }
188
189 public Iq publishAvatar(Avatar avatar, Bundle options) {
190 final Element item = new Element("item");
191 item.setAttribute("id", avatar.sha1sum);
192 final Element data = item.addChild("data", Namespace.AVATAR_DATA);
193 data.setContent(avatar.image);
194 return publish(Namespace.AVATAR_DATA, item, options);
195 }
196
197 public Iq publishElement(
198 final String namespace, final Element element, String id, final Bundle options) {
199 final Element item = new Element("item");
200 item.setAttribute("id", id);
201 item.addChild(element);
202 return publish(namespace, item, options);
203 }
204
205 public Iq publishAvatarMetadata(final Avatar avatar, final Bundle options) {
206 final Element item = new Element("item");
207 item.setAttribute("id", avatar.sha1sum);
208 final Element metadata = item.addChild("metadata", Namespace.AVATAR_METADATA);
209 final Element info = metadata.addChild("info");
210 info.setAttribute("bytes", avatar.size);
211 info.setAttribute("id", avatar.sha1sum);
212 info.setAttribute("height", avatar.height);
213 info.setAttribute("width", avatar.height);
214 info.setAttribute("type", avatar.type);
215 return publish(Namespace.AVATAR_METADATA, item, options);
216 }
217
218 public Iq retrievePepAvatar(final Avatar avatar) {
219 final Element item = new Element("item");
220 item.setAttribute("id", avatar.sha1sum);
221 final var packet = retrieve(Namespace.AVATAR_DATA, item);
222 packet.setTo(avatar.owner);
223 return packet;
224 }
225
226 public Iq retrieveVcardAvatar(final Avatar avatar) {
227 final Iq packet = new Iq(Iq.Type.GET);
228 packet.setTo(avatar.owner);
229 packet.addChild("vCard", "vcard-temp");
230 return packet;
231 }
232
233 public Iq retrieveVcardAvatar(final Jid to) {
234 final Iq packet = new Iq(Iq.Type.GET);
235 packet.setTo(to);
236 packet.addChild("vCard", "vcard-temp");
237 return packet;
238 }
239
240 public Iq retrieveAvatarMetaData(final Jid to) {
241 final Iq packet = retrieve("urn:xmpp:avatar:metadata", null);
242 if (to != null) {
243 packet.setTo(to);
244 }
245 return packet;
246 }
247
248 public Iq retrieveDeviceIds(final Jid to) {
249 final var packet = retrieve(AxolotlService.PEP_DEVICE_LIST, null);
250 if (to != null) {
251 packet.setTo(to);
252 }
253 return packet;
254 }
255
256 public Iq retrieveBundlesForDevice(final Jid to, final int deviceid) {
257 final var packet = retrieve(AxolotlService.PEP_BUNDLES + ":" + deviceid, null);
258 packet.setTo(to);
259 return packet;
260 }
261
262 public Iq retrieveVerificationForDevice(final Jid to, final int deviceid) {
263 final var packet = retrieve(AxolotlService.PEP_VERIFICATION + ":" + deviceid, null);
264 packet.setTo(to);
265 return packet;
266 }
267
268 public Iq publishDeviceIds(final Set<Integer> ids, final Bundle publishOptions) {
269 final Element item = new Element("item");
270 item.setAttribute("id", "current");
271 final Element list = item.addChild("list", AxolotlService.PEP_PREFIX);
272 for (Integer id : ids) {
273 final Element device = new Element("device");
274 device.setAttribute("id", id);
275 list.addChild(device);
276 }
277 return publish(AxolotlService.PEP_DEVICE_LIST, item, publishOptions);
278 }
279
280 public Element publishBookmarkItem(final Bookmark bookmark) {
281 final String name = bookmark.getBookmarkName();
282 final String nick = bookmark.getNick();
283 final String password = bookmark.getPassword();
284 final boolean autojoin = bookmark.autojoin();
285 final Element conference = new Element("conference", Namespace.BOOKMARKS2);
286 if (!Strings.isNullOrEmpty(name)) {
287 conference.setAttribute("name", name);
288 }
289 if (!Strings.isNullOrEmpty(nick)) {
290 conference.addChild("nick").setContent(nick);
291 }
292 if (password != null) {
293 conference.addChild("password").setContent(password);
294 }
295 conference.setAttribute("autojoin", String.valueOf(autojoin));
296 conference.addChild(bookmark.getExtensions());
297 return conference;
298 }
299
300 public Element mdsDisplayed(final String stanzaId, final Conversation conversation) {
301 final Jid by;
302 if (conversation.getMode() == Conversation.MODE_MULTI) {
303 by = conversation.getJid().asBareJid();
304 } else {
305 by = conversation.getAccount().getJid().asBareJid();
306 }
307 return mdsDisplayed(stanzaId, by);
308 }
309
310 private Element mdsDisplayed(final String stanzaId, final Jid by) {
311 final Element displayed = new Element("displayed", Namespace.MDS_DISPLAYED);
312 final Element stanzaIdElement = displayed.addChild("stanza-id", Namespace.STANZA_IDS);
313 stanzaIdElement.setAttribute("id", stanzaId);
314 stanzaIdElement.setAttribute("by", by);
315 return displayed;
316 }
317
318 public Iq publishBundles(
319 final SignedPreKeyRecord signedPreKeyRecord,
320 final IdentityKey identityKey,
321 final Set<PreKeyRecord> preKeyRecords,
322 final int deviceId,
323 Bundle publishOptions) {
324 final Element item = new Element("item");
325 item.setAttribute("id", "current");
326 final Element bundle = item.addChild("bundle", AxolotlService.PEP_PREFIX);
327 final Element signedPreKeyPublic = bundle.addChild("signedPreKeyPublic");
328 signedPreKeyPublic.setAttribute("signedPreKeyId", signedPreKeyRecord.getId());
329 ECPublicKey publicKey = signedPreKeyRecord.getKeyPair().getPublicKey();
330 signedPreKeyPublic.setContent(Base64.encodeToString(publicKey.serialize(), Base64.NO_WRAP));
331 final Element signedPreKeySignature = bundle.addChild("signedPreKeySignature");
332 signedPreKeySignature.setContent(
333 Base64.encodeToString(signedPreKeyRecord.getSignature(), Base64.NO_WRAP));
334 final Element identityKeyElement = bundle.addChild("identityKey");
335 identityKeyElement.setContent(
336 Base64.encodeToString(identityKey.serialize(), Base64.NO_WRAP));
337
338 final Element prekeys = bundle.addChild("prekeys", AxolotlService.PEP_PREFIX);
339 for (PreKeyRecord preKeyRecord : preKeyRecords) {
340 final Element prekey = prekeys.addChild("preKeyPublic");
341 prekey.setAttribute("preKeyId", preKeyRecord.getId());
342 prekey.setContent(
343 Base64.encodeToString(
344 preKeyRecord.getKeyPair().getPublicKey().serialize(), Base64.NO_WRAP));
345 }
346
347 return publish(AxolotlService.PEP_BUNDLES + ":" + deviceId, item, publishOptions);
348 }
349
350 public Iq publishVerification(
351 byte[] signature, X509Certificate[] certificates, final int deviceId) {
352 final Element item = new Element("item");
353 item.setAttribute("id", "current");
354 final Element verification = item.addChild("verification", AxolotlService.PEP_PREFIX);
355 final Element chain = verification.addChild("chain");
356 for (int i = 0; i < certificates.length; ++i) {
357 try {
358 Element certificate = chain.addChild("certificate");
359 certificate.setContent(
360 Base64.encodeToString(certificates[i].getEncoded(), Base64.NO_WRAP));
361 certificate.setAttribute("index", i);
362 } catch (CertificateEncodingException e) {
363 Log.d(Config.LOGTAG, "could not encode certificate");
364 }
365 }
366 verification
367 .addChild("signature")
368 .setContent(Base64.encodeToString(signature, Base64.NO_WRAP));
369 return publish(AxolotlService.PEP_VERIFICATION + ":" + deviceId, item);
370 }
371
372 public Iq queryMessageArchiveManagement(final MessageArchiveService.Query mam) {
373 final Iq packet = new Iq(Iq.Type.SET);
374 final Element query = packet.query(mam.version.namespace);
375 query.setAttribute("queryid", mam.getQueryId());
376 final Data data = new Data();
377 data.setFormType(mam.version.namespace);
378 if (mam.muc()) {
379 packet.setTo(mam.getWith());
380 } else if (mam.getWith() != null) {
381 data.put("with", mam.getWith().toString());
382 }
383 final long start = mam.getStart();
384 final long end = mam.getEnd();
385 if (start != 0) {
386 data.put("start", getTimestamp(start));
387 }
388 if (end != 0) {
389 data.put("end", getTimestamp(end));
390 }
391 data.submit();
392 query.addChild(data);
393 Element set = query.addChild("set", "http://jabber.org/protocol/rsm");
394 if (mam.getPagingOrder() == MessageArchiveService.PagingOrder.REVERSE) {
395 set.addChild("before").setContent(mam.getReference());
396 } else if (mam.getReference() != null) {
397 set.addChild("after").setContent(mam.getReference());
398 }
399 set.addChild("max").setContent(String.valueOf(Config.PAGE_SIZE));
400 return packet;
401 }
402
403 public Iq generateGetBlockList() {
404 final Iq iq = new Iq(Iq.Type.GET);
405 iq.addChild("blocklist", Namespace.BLOCKING);
406
407 return iq;
408 }
409
410 public Iq generateSetBlockRequest(
411 final Jid jid, final boolean reportSpam, final String serverMsgId) {
412 final Iq iq = new Iq(Iq.Type.SET);
413 final Element block = iq.addChild("block", Namespace.BLOCKING);
414 final Element item = block.addChild("item").setAttribute("jid", jid);
415 if (reportSpam) {
416 final Element report = item.addChild("report", Namespace.REPORTING);
417 report.setAttribute("reason", Namespace.REPORTING_REASON_SPAM);
418 if (serverMsgId != null) {
419 final Element stanzaId = report.addChild("stanza-id", Namespace.STANZA_IDS);
420 stanzaId.setAttribute("by", jid);
421 stanzaId.setAttribute("id", serverMsgId);
422 }
423 }
424 Log.d(Config.LOGTAG, iq.toString());
425 return iq;
426 }
427
428 public Iq generateSetUnblockRequest(final Jid jid) {
429 final Iq iq = new Iq(Iq.Type.SET);
430 final Element block = iq.addChild("unblock", Namespace.BLOCKING);
431 block.addChild("item").setAttribute("jid", jid);
432 return iq;
433 }
434
435 public Iq generateSetPassword(final Account account, final String newPassword) {
436 final Iq packet = new Iq(Iq.Type.SET);
437 packet.setTo(account.getDomain());
438 final Element query = packet.addChild("query", Namespace.REGISTER);
439 final Jid jid = account.getJid();
440 query.addChild("username").setContent(jid.getLocal());
441 query.addChild("password").setContent(newPassword);
442 return packet;
443 }
444
445 public Iq changeAffiliation(Conversation conference, Jid jid, String affiliation) {
446 List<Jid> jids = new ArrayList<>();
447 jids.add(jid);
448 return changeAffiliation(conference, jids, affiliation);
449 }
450
451 public Iq changeAffiliation(Conversation conference, List<Jid> jids, String affiliation) {
452 final Iq packet = new Iq(Iq.Type.SET);
453 packet.setTo(conference.getJid().asBareJid());
454 packet.setFrom(conference.getAccount().getJid());
455 Element query = packet.query("http://jabber.org/protocol/muc#admin");
456 for (Jid jid : jids) {
457 Element item = query.addChild("item");
458 item.setAttribute("jid", jid);
459 item.setAttribute("affiliation", affiliation);
460 }
461 return packet;
462 }
463
464 public Iq changeRole(Conversation conference, String nick, String role) {
465 final Iq packet = new Iq(Iq.Type.SET);
466 packet.setTo(conference.getJid().asBareJid());
467 packet.setFrom(conference.getAccount().getJid());
468 Element item = packet.query("http://jabber.org/protocol/muc#admin").addChild("item");
469 item.setAttribute("nick", nick);
470 item.setAttribute("role", role);
471 return packet;
472 }
473
474 public Iq moderateMessage(Account account, Message m, String reason) {
475 final var packet = new Iq(Iq.Type.SET);
476 packet.setTo(m.getConversation().getJid().asBareJid());
477 packet.setFrom(account.getJid());
478 final var moderate =
479 packet.addChild("apply-to", "urn:xmpp:fasten:0")
480 .setAttribute("id", m.getServerMsgId())
481 .addChild("moderate", "urn:xmpp:message-moderate:0");
482 moderate.addChild("retract", "urn:xmpp:message-retract:0");
483 moderate.addChild("reason", "urn:xmpp:message-moderate:0").setContent(reason);
484 return packet;
485 }
486
487 public Iq requestHttpUploadSlot(Jid host, DownloadableFile file, String name, String mime) {
488 final Iq packet = new Iq(Iq.Type.GET);
489 packet.setTo(host);
490 Element request = packet.addChild("request", Namespace.HTTP_UPLOAD);
491 request.setAttribute("filename", name == null ? convertFilename(file.getName()) : name);
492 request.setAttribute("size", file.getExpectedSize());
493 request.setAttribute("content-type", mime);
494 return packet;
495 }
496
497 public Iq requestHttpUploadLegacySlot(Jid host, DownloadableFile file, String mime) {
498 final Iq packet = new Iq(Iq.Type.GET);
499 packet.setTo(host);
500 Element request = packet.addChild("request", Namespace.HTTP_UPLOAD_LEGACY);
501 request.addChild("filename").setContent(convertFilename(file.getName()));
502 request.addChild("size").setContent(String.valueOf(file.getExpectedSize()));
503 request.addChild("content-type").setContent(mime);
504 return packet;
505 }
506
507 private static String convertFilename(String name) {
508 int pos = name.indexOf('.');
509 if (pos != -1) {
510 try {
511 UUID uuid = UUID.fromString(name.substring(0, pos));
512 ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
513 bb.putLong(uuid.getMostSignificantBits());
514 bb.putLong(uuid.getLeastSignificantBits());
515 return Base64.encodeToString(
516 bb.array(), Base64.URL_SAFE | Base64.NO_PADDING | Base64.NO_WRAP)
517 + name.substring(pos);
518 } catch (Exception e) {
519 return name;
520 }
521 } else {
522 return name;
523 }
524 }
525
526 public static Iq generateCreateAccountWithCaptcha(
527 final Account account, final String id, final Data data) {
528 final Iq register = new Iq(Iq.Type.SET);
529 register.setFrom(account.getJid().asBareJid());
530 register.setTo(account.getDomain());
531 register.setId(id);
532 Element query = register.query(Namespace.REGISTER);
533 if (data != null) {
534 query.addChild(data);
535 }
536 return register;
537 }
538
539 public Iq pushTokenToAppServer(Jid appServer, String token, String deviceId) {
540 return pushTokenToAppServer(appServer, token, deviceId, null);
541 }
542
543 public Iq pushTokenToAppServer(Jid appServer, String token, String deviceId, Jid muc) {
544 final Iq packet = new Iq(Iq.Type.SET);
545 packet.setTo(appServer);
546 final Element command = packet.addChild("command", Namespace.COMMANDS);
547 command.setAttribute("node", "register-push-fcm");
548 command.setAttribute("action", "execute");
549 final Data data = new Data();
550 data.put("token", token);
551 data.put("android-id", deviceId);
552 if (muc != null) {
553 data.put("muc", muc.toString());
554 }
555 data.submit();
556 command.addChild(data);
557 return packet;
558 }
559
560 public Iq unregisterChannelOnAppServer(Jid appServer, String deviceId, String channel) {
561 final Iq packet = new Iq(Iq.Type.SET);
562 packet.setTo(appServer);
563 final Element command = packet.addChild("command", Namespace.COMMANDS);
564 command.setAttribute("node", "unregister-push-fcm");
565 command.setAttribute("action", "execute");
566 final Data data = new Data();
567 data.put("channel", channel);
568 data.put("android-id", deviceId);
569 data.submit();
570 command.addChild(data);
571 return packet;
572 }
573
574 public Iq enablePush(final Jid jid, final String node, final String secret) {
575 final Iq packet = new Iq(Iq.Type.SET);
576 Element enable = packet.addChild("enable", Namespace.PUSH);
577 enable.setAttribute("jid", jid);
578 enable.setAttribute("node", node);
579 if (secret != null) {
580 Data data = new Data();
581 data.setFormType(Namespace.PUBSUB_PUBLISH_OPTIONS);
582 data.put("secret", secret);
583 data.submit();
584 enable.addChild(data);
585 }
586 return packet;
587 }
588
589 public Iq disablePush(final Jid jid, final String node) {
590 Iq packet = new Iq(Iq.Type.SET);
591 Element disable = packet.addChild("disable", Namespace.PUSH);
592 disable.setAttribute("jid", jid);
593 disable.setAttribute("node", node);
594 return packet;
595 }
596
597 public Iq queryAffiliation(Conversation conversation, String affiliation) {
598 final Iq packet = new Iq(Iq.Type.GET);
599 packet.setTo(conversation.getJid().asBareJid());
600 packet.query("http://jabber.org/protocol/muc#admin")
601 .addChild("item")
602 .setAttribute("affiliation", affiliation);
603 return packet;
604 }
605
606 public static Bundle defaultGroupChatConfiguration() {
607 Bundle options = new Bundle();
608 options.putString("muc#roomconfig_persistentroom", "1");
609 options.putString("muc#roomconfig_membersonly", "1");
610 options.putString("muc#roomconfig_publicroom", "0");
611 options.putString("muc#roomconfig_whois", "anyone");
612 options.putString("muc#roomconfig_changesubject", "0");
613 options.putString("muc#roomconfig_allowinvites", "0");
614 options.putString("muc#roomconfig_enablearchiving", "1"); // prosody
615 options.putString("mam", "1"); // ejabberd community
616 options.putString("muc#roomconfig_mam", "1"); // ejabberd saas
617 return options;
618 }
619
620 public static Bundle defaultChannelConfiguration() {
621 Bundle options = new Bundle();
622 options.putString("muc#roomconfig_persistentroom", "1");
623 options.putString("muc#roomconfig_membersonly", "0");
624 options.putString("muc#roomconfig_publicroom", "1");
625 options.putString("muc#roomconfig_whois", "moderators");
626 options.putString("muc#roomconfig_changesubject", "0");
627 options.putString("muc#roomconfig_enablearchiving", "1"); // prosody
628 options.putString("mam", "1"); // ejabberd community
629 options.putString("muc#roomconfig_mam", "1"); // ejabberd saas
630 return options;
631 }
632
633 public Iq requestPubsubConfiguration(Jid jid, String node) {
634 return pubsubConfiguration(jid, node, null);
635 }
636
637 public Iq publishPubsubConfiguration(Jid jid, String node, Data data) {
638 return pubsubConfiguration(jid, node, data);
639 }
640
641 private Iq pubsubConfiguration(Jid jid, String node, Data data) {
642 final Iq packet = new Iq(data == null ? Iq.Type.GET : Iq.Type.SET);
643 packet.setTo(jid);
644 Element pubsub = packet.addChild("pubsub", "http://jabber.org/protocol/pubsub#owner");
645 Element configure = pubsub.addChild("configure").setAttribute("node", node);
646 if (data != null) {
647 configure.addChild(data);
648 }
649 return packet;
650 }
651
652 public Iq queryDiscoItems(final Jid jid) {
653 final Iq packet = new Iq(Iq.Type.GET);
654 packet.setTo(jid);
655 packet.query(Namespace.DISCO_ITEMS);
656 return packet;
657 }
658
659 public Iq queryDiscoItems(Jid jid, String node) {
660 final var packet = queryDiscoItems(jid);
661 final var query = packet.query(Namespace.DISCO_ITEMS);
662 query.setAttribute("node", node);
663 return packet;
664 }
665
666 public Iq queryDiscoInfo(final Jid jid) {
667 final Iq packet = new Iq(Iq.Type.GET);
668 packet.setTo(jid);
669 packet.addChild("query", Namespace.DISCO_INFO);
670 return packet;
671 }
672
673 public Iq bobResponse(Iq request) {
674 try {
675 final var bobCid = request.findChild("data", "urn:xmpp:bob").getAttribute("cid");
676 final var cid = BobTransfer.cid(bobCid);
677 final var f = mXmppConnectionService.getFileForCid(cid);
678 if (f == null || !f.canRead()) {
679 throw new IOException("No such file");
680 } else if (f.getSize() > 129000) {
681 final var response = request.generateResponse(Iq.Type.ERROR);
682 final var error = response.addChild("error");
683 error.setAttribute("type", "cancel");
684 error.addChild("policy-violation", "urn:ietf:params:xml:ns:xmpp-stanzas");
685 return response;
686 } else {
687 final var response = request.generateResponse(Iq.Type.RESULT);
688 final var data = response.addChild("data", "urn:xmpp:bob");
689 data.setAttribute("cid", bobCid);
690 data.setAttribute("type", f.getMimeType());
691 ByteArrayOutputStream b64 = new ByteArrayOutputStream((int) f.getSize() * 2);
692 Base64OutputStream b64wrap = new Base64OutputStream(b64, Base64.NO_WRAP);
693 ByteStreams.copy(new FileInputStream(f), b64wrap);
694 b64wrap.flush();
695 b64wrap.close();
696 data.setContent(b64.toString("utf-8"));
697 return response;
698 }
699 } catch (final IOException | IllegalStateException e) {
700 final var response = request.generateResponse(Iq.Type.ERROR);
701 final var error = response.addChild("error");
702 error.setAttribute("type", "cancel");
703 error.addChild("item-not-found", "urn:ietf:params:xml:ns:xmpp-stanzas");
704 return response;
705 }
706 }
707}