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package eu.siacs.conversations.generator;
import android.util.Base64;
import android.util.Log;
import org.whispersystems.libaxolotl.IdentityKey;
import org.whispersystems.libaxolotl.ecc.ECPublicKey;
import org.whispersystems.libaxolotl.state.PreKeyRecord;
import org.whispersystems.libaxolotl.state.SignedPreKeyRecord;
import java.security.cert.CertificateEncodingException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import de.thedevstack.conversationsplus.ConversationsPlusApplication;
import eu.siacs.conversations.Config;
import eu.siacs.conversations.crypto.axolotl.AxolotlService;
import eu.siacs.conversations.entities.Account;
import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.DownloadableFile;
import eu.siacs.conversations.services.MessageArchiveService;
import eu.siacs.conversations.utils.Xmlns;
import eu.siacs.conversations.xml.Element;
import eu.siacs.conversations.xmpp.forms.Data;
import eu.siacs.conversations.xmpp.jid.Jid;
import eu.siacs.conversations.xmpp.pep.Avatar;
import eu.siacs.conversations.xmpp.stanzas.IqPacket;
public class IqGenerator extends AbstractGenerator {
public IqPacket discoResponse(final IqPacket request) {
final IqPacket packet = new IqPacket(IqPacket.TYPE.RESULT);
packet.setId(request.getId());
packet.setTo(request.getFrom());
final Element query = packet.addChild("query",
"http://jabber.org/protocol/disco#info");
query.setAttribute("node", request.query().getAttribute("node"));
final Element identity = query.addChild("identity");
identity.setAttribute("category", "client");
identity.setAttribute("type", IDENTITY_TYPE);
identity.setAttribute("name", ConversationsPlusApplication.getNameAndVersion());
for (final String feature : getFeatures()) {
query.addChild("feature").setAttribute("var", feature);
}
return packet;
}
public IqPacket versionResponse(final IqPacket request) {
final IqPacket packet = request.generateResponse(IqPacket.TYPE.RESULT);
Element query = packet.query("jabber:iq:version");
query.addChild("name").setContent(ConversationsPlusApplication.getName());
query.addChild("version").setContent(ConversationsPlusApplication.getVersion());
return packet;
}
protected IqPacket publish(final String node, final Element item) {
final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
final Element pubsub = packet.addChild("pubsub",
"http://jabber.org/protocol/pubsub");
final Element publish = pubsub.addChild("publish");
publish.setAttribute("node", node);
publish.addChild(item);
return packet;
}
protected IqPacket retrieve(String node, Element item) {
final IqPacket packet = new IqPacket(IqPacket.TYPE.GET);
final Element pubsub = packet.addChild("pubsub",
"http://jabber.org/protocol/pubsub");
final Element items = pubsub.addChild("items");
items.setAttribute("node", node);
if (item != null) {
items.addChild(item);
}
return packet;
}
public IqPacket publishNick(String nick) {
final Element item = new Element("item");
item.addChild("nick","http://jabber.org/protocol/nick").setContent(nick);
return publish("http://jabber.org/protocol/nick", item);
}
public static IqPacket retrieveVcardAvatar(final Avatar avatar) {
final IqPacket packet = new IqPacket(IqPacket.TYPE.GET);
packet.setTo(avatar.owner);
packet.addChild("vCard", "vcard-temp");
return packet;
}
public IqPacket retrieveDeviceIds(final Jid to) {
final IqPacket packet = retrieve(AxolotlService.PEP_DEVICE_LIST, null);
if(to != null) {
packet.setTo(to);
}
return packet;
}
public IqPacket retrieveBundlesForDevice(final Jid to, final int deviceid) {
final IqPacket packet = retrieve(AxolotlService.PEP_BUNDLES+":"+deviceid, null);
packet.setTo(to);
return packet;
}
public IqPacket retrieveVerificationForDevice(final Jid to, final int deviceid) {
final IqPacket packet = retrieve(AxolotlService.PEP_VERIFICATION+":"+deviceid, null);
packet.setTo(to);
return packet;
}
public IqPacket publishDeviceIds(final Set<Integer> ids) {
final Element item = new Element("item");
final Element list = item.addChild("list", AxolotlService.PEP_PREFIX);
for(Integer id:ids) {
final Element device = new Element("device");
device.setAttribute("id", id);
list.addChild(device);
}
return publish(AxolotlService.PEP_DEVICE_LIST, item);
}
public IqPacket publishBundles(final SignedPreKeyRecord signedPreKeyRecord, final IdentityKey identityKey,
final Set<PreKeyRecord> preKeyRecords, final int deviceId) {
final Element item = new Element("item");
final Element bundle = item.addChild("bundle", AxolotlService.PEP_PREFIX);
final Element signedPreKeyPublic = bundle.addChild("signedPreKeyPublic");
signedPreKeyPublic.setAttribute("signedPreKeyId", signedPreKeyRecord.getId());
ECPublicKey publicKey = signedPreKeyRecord.getKeyPair().getPublicKey();
signedPreKeyPublic.setContent(Base64.encodeToString(publicKey.serialize(),Base64.DEFAULT));
final Element signedPreKeySignature = bundle.addChild("signedPreKeySignature");
signedPreKeySignature.setContent(Base64.encodeToString(signedPreKeyRecord.getSignature(),Base64.DEFAULT));
final Element identityKeyElement = bundle.addChild("identityKey");
identityKeyElement.setContent(Base64.encodeToString(identityKey.serialize(), Base64.DEFAULT));
final Element prekeys = bundle.addChild("prekeys", AxolotlService.PEP_PREFIX);
for(PreKeyRecord preKeyRecord:preKeyRecords) {
final Element prekey = prekeys.addChild("preKeyPublic");
prekey.setAttribute("preKeyId", preKeyRecord.getId());
prekey.setContent(Base64.encodeToString(preKeyRecord.getKeyPair().getPublicKey().serialize(), Base64.DEFAULT));
}
return publish(AxolotlService.PEP_BUNDLES+":"+deviceId, item);
}
public IqPacket publishVerification(byte[] signature, X509Certificate[] certificates, final int deviceId) {
final Element item = new Element("item");
final Element verification = item.addChild("verification", AxolotlService.PEP_PREFIX);
final Element chain = verification.addChild("chain");
for(int i = 0; i < certificates.length; ++i) {
try {
Element certificate = chain.addChild("certificate");
certificate.setContent(Base64.encodeToString(certificates[i].getEncoded(), Base64.DEFAULT));
certificate.setAttribute("index",i);
} catch (CertificateEncodingException e) {
Log.d(Config.LOGTAG, "could not encode certificate");
}
}
verification.addChild("signature").setContent(Base64.encodeToString(signature, Base64.DEFAULT));
return publish(AxolotlService.PEP_VERIFICATION+":"+deviceId, item);
}
public IqPacket queryMessageArchiveManagement(final MessageArchiveService.Query mam) {
final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
final Element query = packet.query("urn:xmpp:mam:0");
query.setAttribute("queryid", mam.getQueryId());
final Data data = new Data();
data.setFormType("urn:xmpp:mam:0");
if (mam.muc()) {
packet.setTo(mam.getWith());
} else if (mam.getWith()!=null) {
data.put("with", mam.getWith().toString());
}
data.put("start", getTimestamp(mam.getStart()));
data.put("end", getTimestamp(mam.getEnd()));
data.submit();
query.addChild(data);
if (mam.getPagingOrder() == MessageArchiveService.PagingOrder.REVERSE) {
query.addChild("set", "http://jabber.org/protocol/rsm").addChild("before").setContent(mam.getReference());
} else if (mam.getReference() != null) {
query.addChild("set", "http://jabber.org/protocol/rsm").addChild("after").setContent(mam.getReference());
}
return packet;
}
public IqPacket generateGetBlockList() {
final IqPacket iq = new IqPacket(IqPacket.TYPE.GET);
iq.addChild("blocklist", Xmlns.BLOCKING);
return iq;
}
public IqPacket generateSetBlockRequest(final Jid jid) {
final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
final Element block = iq.addChild("block", Xmlns.BLOCKING);
block.addChild("item").setAttribute("jid", jid.toBareJid().toString());
return iq;
}
public IqPacket generateSetUnblockRequest(final Jid jid) {
final IqPacket iq = new IqPacket(IqPacket.TYPE.SET);
final Element block = iq.addChild("unblock", Xmlns.BLOCKING);
block.addChild("item").setAttribute("jid", jid.toBareJid().toString());
return iq;
}
public IqPacket generateSetPassword(final Account account, final String newPassword) {
final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
packet.setTo(account.getServer());
final Element query = packet.addChild("query", Xmlns.REGISTER);
final Jid jid = account.getJid();
query.addChild("username").setContent(jid.getLocalpart());
query.addChild("password").setContent(newPassword);
return packet;
}
public IqPacket changeAffiliation(Conversation conference, Jid jid, String affiliation) {
List<Jid> jids = new ArrayList<>();
jids.add(jid);
return changeAffiliation(conference,jids,affiliation);
}
public IqPacket changeAffiliation(Conversation conference, List<Jid> jids, String affiliation) {
IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
packet.setTo(conference.getJid().toBareJid());
packet.setFrom(conference.getAccount().getJid());
Element query = packet.query("http://jabber.org/protocol/muc#admin");
for(Jid jid : jids) {
Element item = query.addChild("item");
item.setAttribute("jid", jid.toString());
item.setAttribute("affiliation", affiliation);
}
return packet;
}
public IqPacket changeRole(Conversation conference, String nick, String role) {
IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
packet.setTo(conference.getJid().toBareJid());
packet.setFrom(conference.getAccount().getJid());
Element item = packet.query("http://jabber.org/protocol/muc#admin").addChild("item");
item.setAttribute("nick", nick);
item.setAttribute("role", role);
return packet;
}
public IqPacket requestHttpUploadSlot(Jid host, DownloadableFile file, String mime) {
IqPacket packet = new IqPacket(IqPacket.TYPE.GET);
packet.setTo(host);
Element request = packet.addChild("request", Xmlns.HTTP_UPLOAD);
request.addChild("filename").setContent(file.getName());
request.addChild("size").setContent(String.valueOf(file.getExpectedSize()));
if (mime != null) {
request.addChild("content-type").setContent(mime);
}
return packet;
}
public IqPacket generateCreateAccountWithCaptcha(Account account, String id, Data data) {
final IqPacket register = new IqPacket(IqPacket.TYPE.SET);
register.setTo(account.getServer());
register.setId(id);
register.query("jabber:iq:register").addChild(data);
return register;
}
public IqPacket pushTokenToAppServer(Jid appServer, String token, String deviceId) {
IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
packet.setTo(appServer);
Element command = packet.addChild("command", "http://jabber.org/protocol/commands");
command.setAttribute("node","register-push-gcm");
command.setAttribute("action","execute");
Data data = new Data();
data.put("token", token);
data.put("device-id", deviceId);
data.submit();
command.addChild(data);
return packet;
}
public IqPacket enablePush(Jid jid, String node, String secret) {
IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
Element enable = packet.addChild("enable","urn:xmpp:push:0");
enable.setAttribute("jid",jid.toString());
enable.setAttribute("node", node);
Data data = new Data();
data.setFormType("http://jabber.org/protocol/pubsub#publish-options");
data.put("secret",secret);
data.submit();
enable.addChild(data);
return packet;
}
}
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