1package eu.siacs.conversations.generator;
2
3
4import android.os.Bundle;
5import android.util.Base64;
6import android.util.Log;
7
8import org.whispersystems.libaxolotl.IdentityKey;
9import org.whispersystems.libaxolotl.ecc.ECPublicKey;
10import org.whispersystems.libaxolotl.state.PreKeyRecord;
11import org.whispersystems.libaxolotl.state.SignedPreKeyRecord;
12
13import java.security.cert.CertificateEncodingException;
14import java.security.cert.X509Certificate;
15import java.util.ArrayList;
16import java.util.List;
17import java.util.Set;
18import java.util.TimeZone;
19
20import eu.siacs.conversations.Config;
21import eu.siacs.conversations.R;
22import eu.siacs.conversations.crypto.axolotl.AxolotlService;
23import eu.siacs.conversations.entities.Account;
24import eu.siacs.conversations.entities.Conversation;
25import eu.siacs.conversations.entities.DownloadableFile;
26import eu.siacs.conversations.services.MessageArchiveService;
27import eu.siacs.conversations.services.XmppConnectionService;
28import eu.siacs.conversations.utils.Xmlns;
29import eu.siacs.conversations.xml.Element;
30import eu.siacs.conversations.xmpp.forms.Data;
31import eu.siacs.conversations.xmpp.jid.Jid;
32import eu.siacs.conversations.xmpp.pep.Avatar;
33import eu.siacs.conversations.xmpp.stanzas.IqPacket;
34
35public class IqGenerator extends AbstractGenerator {
36
37 public IqGenerator(final XmppConnectionService service) {
38 super(service);
39 }
40
41 public IqPacket discoResponse(final IqPacket request) {
42 final IqPacket packet = new IqPacket(IqPacket.TYPE.RESULT);
43 packet.setId(request.getId());
44 packet.setTo(request.getFrom());
45 final Element query = packet.addChild("query",
46 "http://jabber.org/protocol/disco#info");
47 query.setAttribute("node", request.query().getAttribute("node"));
48 final Element identity = query.addChild("identity");
49 identity.setAttribute("category", "client");
50 identity.setAttribute("type", IDENTITY_TYPE);
51 identity.setAttribute("name", getIdentityName());
52 for (final String feature : getFeatures()) {
53 query.addChild("feature").setAttribute("var", feature);
54 }
55 return packet;
56 }
57
58 public IqPacket versionResponse(final IqPacket request) {
59 final IqPacket packet = request.generateResponse(IqPacket.TYPE.RESULT);
60 Element query = packet.query("jabber:iq:version");
61 query.addChild("name").setContent(mXmppConnectionService.getString(R.string.app_name));
62 query.addChild("version").setContent(getIdentityVersion());
63 return packet;
64 }
65
66 public IqPacket entityTimeResponse(IqPacket request) {
67 final IqPacket packet = request.generateResponse(IqPacket.TYPE.RESULT);
68 Element time = packet.addChild("time","urn:xmpp:time");
69 final long now = System.currentTimeMillis();
70 time.addChild("utc").setContent(getTimestamp(now));
71 TimeZone ourTimezone = TimeZone.getDefault();
72 long offsetSeconds = ourTimezone.getOffset(now) / 1000;
73 long offsetMinutes = offsetSeconds % (60 * 60);
74 long offsetHours = offsetSeconds / (60 * 60);
75 time.addChild("tzo").setContent(String.format("%02d",offsetHours)+":"+String.format("%02d",offsetMinutes));
76 return packet;
77 }
78
79 protected IqPacket publish(final String node, final Element item) {
80 final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
81 final Element pubsub = packet.addChild("pubsub",
82 "http://jabber.org/protocol/pubsub");
83 final Element publish = pubsub.addChild("publish");
84 publish.setAttribute("node", node);
85 publish.addChild(item);
86 return packet;
87 }
88
89 protected IqPacket retrieve(String node, Element item) {
90 final IqPacket packet = new IqPacket(IqPacket.TYPE.GET);
91 final Element pubsub = packet.addChild("pubsub",
92 "http://jabber.org/protocol/pubsub");
93 final Element items = pubsub.addChild("items");
94 items.setAttribute("node", node);
95 if (item != null) {
96 items.addChild(item);
97 }
98 return packet;
99 }
100
101 public IqPacket publishNick(String nick) {
102 final Element item = new Element("item");
103 item.addChild("nick","http://jabber.org/protocol/nick").setContent(nick);
104 return publish("http://jabber.org/protocol/nick", item);
105 }
106
107 public IqPacket publishAvatar(Avatar avatar) {
108 final Element item = new Element("item");
109 item.setAttribute("id", avatar.sha1sum);
110 final Element data = item.addChild("data", "urn:xmpp:avatar:data");
111 data.setContent(avatar.image);
112 return publish("urn:xmpp:avatar:data", item);
113 }
114
115 public IqPacket publishAvatarMetadata(final Avatar avatar) {
116 final Element item = new Element("item");
117 item.setAttribute("id", avatar.sha1sum);
118 final Element metadata = item
119 .addChild("metadata", "urn:xmpp:avatar:metadata");
120 final Element info = metadata.addChild("info");
121 info.setAttribute("bytes", avatar.size);
122 info.setAttribute("id", avatar.sha1sum);
123 info.setAttribute("height", avatar.height);
124 info.setAttribute("width", avatar.height);
125 info.setAttribute("type", avatar.type);
126 return publish("urn:xmpp:avatar:metadata", item);
127 }
128
129 public IqPacket retrievePepAvatar(final Avatar avatar) {
130 final Element item = new Element("item");
131 item.setAttribute("id", avatar.sha1sum);
132 final IqPacket packet = retrieve("urn:xmpp:avatar:data", item);
133 packet.setTo(avatar.owner);
134 return packet;
135 }
136
137 public IqPacket retrieveVcardAvatar(final Avatar avatar) {
138 final IqPacket packet = new IqPacket(IqPacket.TYPE.GET);
139 packet.setTo(avatar.owner);
140 packet.addChild("vCard", "vcard-temp");
141 return packet;
142 }
143
144 public IqPacket retrieveAvatarMetaData(final Jid to) {
145 final IqPacket packet = retrieve("urn:xmpp:avatar:metadata", null);
146 if (to != null) {
147 packet.setTo(to);
148 }
149 return packet;
150 }
151
152 public IqPacket retrieveDeviceIds(final Jid to) {
153 final IqPacket packet = retrieve(AxolotlService.PEP_DEVICE_LIST, null);
154 if(to != null) {
155 packet.setTo(to);
156 }
157 return packet;
158 }
159
160 public IqPacket retrieveBundlesForDevice(final Jid to, final int deviceid) {
161 final IqPacket packet = retrieve(AxolotlService.PEP_BUNDLES+":"+deviceid, null);
162 packet.setTo(to);
163 return packet;
164 }
165
166 public IqPacket retrieveVerificationForDevice(final Jid to, final int deviceid) {
167 final IqPacket packet = retrieve(AxolotlService.PEP_VERIFICATION+":"+deviceid, null);
168 packet.setTo(to);
169 return packet;
170 }
171
172 public IqPacket publishDeviceIds(final Set<Integer> ids) {
173 final Element item = new Element("item");
174 final Element list = item.addChild("list", AxolotlService.PEP_PREFIX);
175 for(Integer id:ids) {
176 final Element device = new Element("device");
177 device.setAttribute("id", id);
178 list.addChild(device);
179 }
180 return publish(AxolotlService.PEP_DEVICE_LIST, item);
181 }
182
183 public IqPacket publishBundles(final SignedPreKeyRecord signedPreKeyRecord, final IdentityKey identityKey,
184 final Set<PreKeyRecord> preKeyRecords, final int deviceId) {
185 final Element item = new Element("item");
186 final Element bundle = item.addChild("bundle", AxolotlService.PEP_PREFIX);
187 final Element signedPreKeyPublic = bundle.addChild("signedPreKeyPublic");
188 signedPreKeyPublic.setAttribute("signedPreKeyId", signedPreKeyRecord.getId());
189 ECPublicKey publicKey = signedPreKeyRecord.getKeyPair().getPublicKey();
190 signedPreKeyPublic.setContent(Base64.encodeToString(publicKey.serialize(),Base64.DEFAULT));
191 final Element signedPreKeySignature = bundle.addChild("signedPreKeySignature");
192 signedPreKeySignature.setContent(Base64.encodeToString(signedPreKeyRecord.getSignature(),Base64.DEFAULT));
193 final Element identityKeyElement = bundle.addChild("identityKey");
194 identityKeyElement.setContent(Base64.encodeToString(identityKey.serialize(), Base64.DEFAULT));
195
196 final Element prekeys = bundle.addChild("prekeys", AxolotlService.PEP_PREFIX);
197 for(PreKeyRecord preKeyRecord:preKeyRecords) {
198 final Element prekey = prekeys.addChild("preKeyPublic");
199 prekey.setAttribute("preKeyId", preKeyRecord.getId());
200 prekey.setContent(Base64.encodeToString(preKeyRecord.getKeyPair().getPublicKey().serialize(), Base64.DEFAULT));
201 }
202
203 return publish(AxolotlService.PEP_BUNDLES+":"+deviceId, item);
204 }
205
206 public IqPacket publishVerification(byte[] signature, X509Certificate[] certificates, final int deviceId) {
207 final Element item = new Element("item");
208 final Element verification = item.addChild("verification", AxolotlService.PEP_PREFIX);
209 final Element chain = verification.addChild("chain");
210 for(int i = 0; i < certificates.length; ++i) {
211 try {
212 Element certificate = chain.addChild("certificate");
213 certificate.setContent(Base64.encodeToString(certificates[i].getEncoded(), Base64.DEFAULT));
214 certificate.setAttribute("index",i);
215 } catch (CertificateEncodingException e) {
216 Log.d(Config.LOGTAG, "could not encode certificate");
217 }
218 }
219 verification.addChild("signature").setContent(Base64.encodeToString(signature, Base64.DEFAULT));
220 return publish(AxolotlService.PEP_VERIFICATION+":"+deviceId, item);
221 }
222
223 public IqPacket queryMessageArchiveManagement(final MessageArchiveService.Query mam) {
224 final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
225 final Element query = packet.query("urn:xmpp:mam:0");
226 query.setAttribute("queryid", mam.getQueryId());
227 final Data data = new Data();
228 data.setFormType("urn:xmpp:mam:0");
229 if (mam.muc()) {
230 packet.setTo(mam.getWith());
231 } else if (mam.getWith()!=null) {
232 data.put("with", mam.getWith().toString());
233 }
234 data.put("start", getTimestamp(mam.getStart()));
235 data.put("end", getTimestamp(mam.getEnd()));
236 data.submit();
237 query.addChild(data);
238 if (mam.getPagingOrder() == MessageArchiveService.PagingOrder.REVERSE) {
239 query.addChild("set", "http://jabber.org/protocol/rsm").addChild("before").setContent(mam.getReference());
240 } else if (mam.getReference() != null) {
241 query.addChild("set", "http://jabber.org/protocol/rsm").addChild("after").setContent(mam.getReference());
242 }
243 return packet;
244 }
245 public IqPacket generateGetBlockList() {
246 final IqPacket iq = new IqPacket(IqPacket.TYPE.GET);
247 iq.addChild("blocklist", Xmlns.BLOCKING);
248
249 return iq;
250 }
251
252 public IqPacket generateSetBlockRequest(final Jid jid) {
253 final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
254 final Element block = iq.addChild("block", Xmlns.BLOCKING);
255 block.addChild("item").setAttribute("jid", jid.toBareJid().toString());
256 return iq;
257 }
258
259 public IqPacket generateSetUnblockRequest(final Jid jid) {
260 final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
261 final Element block = iq.addChild("unblock", Xmlns.BLOCKING);
262 block.addChild("item").setAttribute("jid", jid.toBareJid().toString());
263 return iq;
264 }
265
266 public IqPacket generateSetPassword(final Account account, final String newPassword) {
267 final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
268 packet.setTo(account.getServer());
269 final Element query = packet.addChild("query", Xmlns.REGISTER);
270 final Jid jid = account.getJid();
271 query.addChild("username").setContent(jid.getLocalpart());
272 query.addChild("password").setContent(newPassword);
273 return packet;
274 }
275
276 public IqPacket changeAffiliation(Conversation conference, Jid jid, String affiliation) {
277 List<Jid> jids = new ArrayList<>();
278 jids.add(jid);
279 return changeAffiliation(conference,jids,affiliation);
280 }
281
282 public IqPacket changeAffiliation(Conversation conference, List<Jid> jids, String affiliation) {
283 IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
284 packet.setTo(conference.getJid().toBareJid());
285 packet.setFrom(conference.getAccount().getJid());
286 Element query = packet.query("http://jabber.org/protocol/muc#admin");
287 for(Jid jid : jids) {
288 Element item = query.addChild("item");
289 item.setAttribute("jid", jid.toString());
290 item.setAttribute("affiliation", affiliation);
291 }
292 return packet;
293 }
294
295 public IqPacket changeRole(Conversation conference, String nick, String role) {
296 IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
297 packet.setTo(conference.getJid().toBareJid());
298 packet.setFrom(conference.getAccount().getJid());
299 Element item = packet.query("http://jabber.org/protocol/muc#admin").addChild("item");
300 item.setAttribute("nick", nick);
301 item.setAttribute("role", role);
302 return packet;
303 }
304
305 public IqPacket requestHttpUploadSlot(Jid host, DownloadableFile file, String mime) {
306 IqPacket packet = new IqPacket(IqPacket.TYPE.GET);
307 packet.setTo(host);
308 Element request = packet.addChild("request", Xmlns.HTTP_UPLOAD);
309 request.addChild("filename").setContent(file.getName());
310 request.addChild("size").setContent(String.valueOf(file.getExpectedSize()));
311 if (mime != null) {
312 request.addChild("content-type").setContent(mime);
313 }
314 return packet;
315 }
316
317 public IqPacket generateCreateAccountWithCaptcha(Account account, String id, Data data) {
318 final IqPacket register = new IqPacket(IqPacket.TYPE.SET);
319
320 register.setTo(account.getServer());
321 register.setId(id);
322 Element query = register.query("jabber:iq:register");
323 if (data != null) {
324 query.addChild(data);
325 }
326 return register;
327 }
328
329 public IqPacket pushTokenToAppServer(Jid appServer, String token, String deviceId) {
330 IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
331 packet.setTo(appServer);
332 Element command = packet.addChild("command", "http://jabber.org/protocol/commands");
333 command.setAttribute("node","register-push-gcm");
334 command.setAttribute("action","execute");
335 Data data = new Data();
336 data.put("token", token);
337 data.put("device-id", deviceId);
338 data.submit();
339 command.addChild(data);
340 return packet;
341 }
342
343 public IqPacket enablePush(Jid jid, String node, String secret) {
344 IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
345 Element enable = packet.addChild("enable","urn:xmpp:push:0");
346 enable.setAttribute("jid",jid.toString());
347 enable.setAttribute("node", node);
348 Data data = new Data();
349 data.setFormType("http://jabber.org/protocol/pubsub#publish-options");
350 data.put("secret",secret);
351 data.submit();
352 enable.addChild(data);
353 return packet;
354 }
355
356 public IqPacket queryAffiliation(Conversation conversation, String affiliation) {
357 IqPacket packet = new IqPacket(IqPacket.TYPE.GET);
358 packet.setTo(conversation.getJid().toBareJid());
359 packet.query("http://jabber.org/protocol/muc#admin").addChild("item").setAttribute("affiliation",affiliation);
360 return packet;
361 }
362
363 public static Bundle defaultRoomConfiguration() {
364 Bundle options = new Bundle();
365 options.putString("muc#roomconfig_persistentroom", "1");
366 options.putString("muc#roomconfig_membersonly", "1");
367 options.putString("muc#roomconfig_publicroom", "0");
368 options.putString("muc#roomconfig_whois", "anyone");
369 return options;
370 }
371}