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