bool LastActivityManager::handleStanza (const QDomElement& elem)
{
if (elem.tagName () != "iq")
return false;
const QDomElement& query = elem.firstChildElement ("query");
if (query.namespaceURI () != NsLastActivity)
return false;
const QString& from = elem.attribute ("from");
if (elem.attribute ("type") == "get")
{
IPluginsManager *pMgr = Core::Instance ()
.GetProxy ()->GetPluginsManager ();
ILastActivityProvider *prov = pMgr->
GetAllCastableTo<ILastActivityProvider*> ().value (0);
if (!prov)
return false;
QXmppIq iq = CreateIq (from, prov->GetInactiveSeconds ());
iq.setType (QXmppIq::Result);
iq.setId (elem.attribute ("id"));
client ()->sendPacket (iq);
}
else if (elem.attribute ("type") == "result" &&
query.hasAttribute ("seconds"))
emit gotLastActivity (from, query.attribute ("seconds").toInt ());
return true;
}
int QXmppCallWebrtcManager::SendAck(QXmppWebRtcIq iq)
{
QXmppIq ack;
ack.setId(iq.id());
ack.setTo(iq.from());
ack.setType(QXmppIq::Result);
return client()->sendPacket(ack);
}
void AdHocCommandServer::SendCompleted (const QDomElement& sourceElem,
const QString& node, const QString& sessionId)
{
QXmppElement elem;
elem.setTagName ("command");
elem.setAttribute ("xmlns", NsCommands);
elem.setAttribute ("node", node);
elem.setAttribute ("status", "completed");
elem.setAttribute ("sessionid", sessionId);
QXmppIq iq;
iq.setTo (sourceElem.attribute ("from"));
iq.setId (sourceElem.attribute ("id"));
iq.setType (QXmppIq::Result);
iq.setExtensions (QXmppElementList () << elem);
Conn_->GetClient ()->sendPacket (iq);
}
bool LegacyEntityTimeExt::handleStanza (const QDomElement& elem)
{
if (elem.tagName () != "iq" ||
elem.attribute ("type") != "get")
return false;
if (elem.firstChildElement ("query").namespaceURI () != NsLegacyEntityTime)
return false;
const QString& from = elem.attribute ("from");
if (from.isEmpty ())
return false;
const QDateTime& date = QDateTime::currentDateTime ().toUTC ();
QXmppElement utcElem;
utcElem.setTagName ("utc");
utcElem.setValue (date.toString ("yyyyMMddThh:mm:ss"));
const QString& displayStr = "Your client/bot sucks since it "
"uses the long-deprecated XEP-0090. Upgrade your code. "
"Ah, and, regarding your question, it's " +
QDateTime::currentDateTime ().toString () + " here";
QXmppElement displayElem;
displayElem.setTagName ("display");
displayElem.setValue (displayStr);
QXmppElement queryElem;
queryElem.setTagName ("query");
queryElem.setAttribute ("xmlns", NsLegacyEntityTime);
queryElem.appendChild (utcElem);
queryElem.appendChild (displayElem);
QXmppIq iq (QXmppIq::Result);
iq.setTo (from);
iq.setId (elem.attribute ("id"));
iq.setExtensions (QXmppElementList () << queryElem);
client ()->sendPacket (iq);
return true;
}
bool XmppServerProxy65::handleStanza(const QDomElement &element)
{
if (element.attribute("to") != d->jid)
return false;
if (element.tagName() == "iq" && QXmppDiscoveryIq::isDiscoveryIq(element))
{
QXmppDiscoveryIq discoIq;
discoIq.parse(element);
if (discoIq.type() == QXmppIq::Get)
{
QXmppDiscoveryIq responseIq;
responseIq.setTo(discoIq.from());
responseIq.setFrom(discoIq.to());
responseIq.setId(discoIq.id());
responseIq.setType(QXmppIq::Result);
responseIq.setQueryType(discoIq.queryType());
if (discoIq.queryType() == QXmppDiscoveryIq::InfoQuery)
{
QStringList features = QStringList() << ns_disco_info << ns_disco_items << ns_bytestreams;
QList<QXmppDiscoveryIq::Identity> identities;
QXmppDiscoveryIq::Identity identity;
identity.setCategory("proxy");
identity.setType("bytestreams");
identity.setName("SOCKS5 Bytestreams");
identities.append(identity);
responseIq.setFeatures(features);
responseIq.setIdentities(identities);
}
server()->sendPacket(responseIq);
return true;
}
}
else if (element.tagName() == "iq" && QXmppByteStreamIq::isByteStreamIq(element))
{
QXmppByteStreamIq bsIq;
bsIq.parse(element);
if (bsIq.type() == QXmppIq::Get)
{
// request for the proxy's network address
if (d->allowedDomains.contains(QXmppUtils::jidToDomain(bsIq.from()))) {
QXmppByteStreamIq responseIq;
responseIq.setType(QXmppIq::Result);
responseIq.setTo(bsIq.from());
responseIq.setFrom(bsIq.to());
responseIq.setId(bsIq.id());
QList<QXmppByteStreamIq::StreamHost> streamHosts;
QXmppByteStreamIq::StreamHost streamHost;
streamHost.setJid(d->jid);
streamHost.setHost(d->hostAddress.toString());
streamHost.setPort(d->port);
streamHosts.append(streamHost);
responseIq.setStreamHosts(streamHosts);
server()->sendPacket(responseIq);
} else {
QXmppIq responseIq;
responseIq.setType(QXmppIq::Error);
responseIq.setTo(bsIq.from());
responseIq.setFrom(bsIq.to());
responseIq.setId(bsIq.id());
responseIq.setError(QXmppStanza::Error(QXmppStanza::Error::Auth, QXmppStanza::Error::Forbidden));
server()->sendPacket(responseIq);
}
}
else if (bsIq.type() == QXmppIq::Set)
{
QString hash = streamHash(bsIq.sid(), bsIq.from(), bsIq.activate());
QTcpSocketPair *pair = d->pairs.value(hash);
QXmppIq responseIq;
responseIq.setTo(bsIq.from());
responseIq.setFrom(bsIq.to());
responseIq.setId(bsIq.id());
if (pair &&
d->allowedDomains.contains(QXmppUtils::jidToDomain(bsIq.from())))
{
if (pair->activate()) {
info(QString("Activated connection %1 by %2").arg(hash, bsIq.from()));
responseIq.setType(QXmppIq::Result);
} else {
warning(QString("Failed to activate connection %1 by %2").arg(hash, bsIq.from()));
responseIq.setType(QXmppIq::Error);
}
} else {
warning(QString("Not activating connection %1 by %2").arg(hash, bsIq.from()));
responseIq.setType(QXmppIq::Error);
}
server()->sendPacket(responseIq);
}
return true;
}
return false;
}
bool XmppServerPrivate::handleStanza(const QDomElement &element)
{
const QString to = element.attribute("to");
if (QXmppUtils::jidToDomain(to) != server()->domain())
return false;
if (element.tagName() == "iq" && PrivateStorageIq::isPrivateStorageIq(element))
{
PrivateStorageIq request;
request.parse(element);
if (request.type() == QXmppIq::Result)
return true;
// check the namespace is valid
const QString xmlns = request.payload().attribute("xmlns");
if (xmlns.isEmpty()) {
QXmppIq response;
response.setId(request.id());
response.setTo(request.from());
response.setType(QXmppIq::Error);
server()->sendPacket(response);
return true;
}
const QString bareFrom = QXmppUtils::jidToBareJid(request.from());
QDjangoQuerySet<PrivateStorage> qs;
qs = qs.filter(QDjangoWhere("jid", QDjangoWhere::Equals, bareFrom));
if (request.type() == QXmppIq::Get) {
PrivateStorageIq response;
response.setId(request.id());
response.setTo(request.from());
response.setType(QXmppIq::Result);
PrivateStorage storage;
if (qs.get(QDjangoWhere("xmlns", QDjangoWhere::Equals, xmlns), &storage)) {
QDomDocument doc;
doc.setContent(storage.data());
response.setPayload(doc.documentElement());
} else {
response.setPayload(request.payload());
}
server()->sendPacket(response);
} else if (request.type() == QXmppIq::Set) {
PrivateStorage storage;
if (!qs.get(QDjangoWhere("xmlns", QDjangoWhere::Equals, xmlns), &storage)) {
storage.setJid(bareFrom);
storage.setXmlns(xmlns);
}
storage.setXml(request.payload());
storage.save();
// reply
QXmppIq response;
response.setId(request.id());
response.setTo(request.from());
response.setType(QXmppIq::Result);
server()->sendPacket(response);
}
return true;
}
return false;
}
void QXmppIncomingClient::handleStanza (const QDomElement &nodeRecv)
{
const QString ns = nodeRecv.namespaceURI();
if (d->idleTimer->interval())
d->idleTimer->start();
if (ns == ns_tls && nodeRecv.tagName() == QLatin1String ("starttls"))
{
sendData ("<proceed xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
socket()->flush();
socket()->startServerEncryption();
return;
}
else if (ns == ns_sasl)
{
if (!d->passwordChecker)
{
warning ("Cannot perform authentication, no password checker");
sendPacket (QXmppSaslFailure ("temporary-auth-failure"));
disconnectFromHost();
return;
}
if (nodeRecv.tagName() == QLatin1String ("auth"))
{
QXmppSaslAuth auth;
auth.parse (nodeRecv);
d->saslServer = QXmppSaslServer::create (auth.mechanism(), this);
if (!d->saslServer)
{
sendPacket (QXmppSaslFailure ("invalid-mechanism"));
disconnectFromHost();
return;
}
d->saslServer->setRealm (d->domain.toUtf8());
QByteArray challenge;
QXmppSaslServer::Response result = d->saslServer->respond (auth.value(), challenge);
if (result == QXmppSaslServer::InputNeeded)
{
// check credentials
d->checkCredentials (auth.value());
}
else if (result == QXmppSaslServer::Challenge)
sendPacket (QXmppSaslChallenge (challenge));
else
{
// FIXME: what condition?
sendPacket (QXmppSaslFailure());
disconnectFromHost();
return;
}
}
else if (nodeRecv.tagName() == QLatin1String ("response"))
{
QXmppSaslResponse response;
response.parse (nodeRecv);
if (!d->saslServer)
{
warning ("SASL response received, but no mechanism selected");
sendPacket (QXmppSaslFailure());
disconnectFromHost();
return;
}
QByteArray challenge;
QXmppSaslServer::Response result = d->saslServer->respond (response.value(), challenge);
if (result == QXmppSaslServer::InputNeeded)
{
// check credentials
d->checkCredentials (response.value());
}
else if (result == QXmppSaslServer::Succeeded)
{
// authentication succeeded
d->jid = QString ("%1@%2").arg (d->saslServer->username(), d->domain);
info (QString ("Authentication succeeded for '%1' from %2").arg (d->jid, d->origin()));
updateCounter ("incoming-client.auth.success");
sendPacket (QXmppSaslSuccess());
handleStart();
}
else
{
// FIXME: what condition?
sendPacket (QXmppSaslFailure());
disconnectFromHost();
}
}
}
else if (ns == ns_client)
{
if (nodeRecv.tagName() == QLatin1String ("iq"))
{
const QString type = nodeRecv.attribute ("type");
if (QXmppBindIq::isBindIq (nodeRecv) && type == QLatin1String ("set"))
{
QXmppBindIq bindSet;
bindSet.parse (nodeRecv);
d->resource = bindSet.resource().trimmed();
if (d->resource.isEmpty())
d->resource = QXmppUtils::generateStanzaHash();
d->jid = QString ("%1/%2").arg (QXmppUtils::jidToBareJid (d->jid), d->resource);
QXmppBindIq bindResult;
bindResult.setType (QXmppIq::Result);
bindResult.setId (bindSet.id());
bindResult.setJid (d->jid);
sendPacket (bindResult);
// bound
emit connected();
return;
}
else if (QXmppSessionIq::isSessionIq (nodeRecv) && type == QLatin1String ("set"))
{
QXmppSessionIq sessionSet;
sessionSet.parse (nodeRecv);
QXmppIq sessionResult;
sessionResult.setType (QXmppIq::Result);
sessionResult.setId (sessionSet.id());
sessionResult.setTo (d->jid);
sendPacket (sessionResult);
return;
}
}
// check the sender is legitimate
const QString from = nodeRecv.attribute ("from");
if (!from.isEmpty() && from != d->jid && from != QXmppUtils::jidToBareJid (d->jid))
{
warning (QString ("Received a stanza from unexpected JID %1").arg (from));
return;
}
// process unhandled stanzas
if (nodeRecv.tagName() == QLatin1String ("iq") ||
nodeRecv.tagName() == QLatin1String ("message") ||
nodeRecv.tagName() == QLatin1String ("presence"))
{
QDomElement nodeFull (nodeRecv);
// if the sender is empty, set it to the appropriate JID
if (nodeFull.attribute ("from").isEmpty())
{
if (nodeFull.tagName() == QLatin1String ("presence") &&
(nodeFull.attribute ("type") == QLatin1String ("subscribe") ||
nodeFull.attribute ("type") == QLatin1String ("subscribed")))
nodeFull.setAttribute ("from", QXmppUtils::jidToBareJid (d->jid));
else
nodeFull.setAttribute ("from", d->jid);
}
// if the recipient is empty, set it to the local domain
if (nodeFull.attribute ("to").isEmpty())
nodeFull.setAttribute ("to", d->domain);
// emit stanza for processing by server
emit elementReceived (nodeFull);
}
}
}
void QXmppIncomingClient::handleStanza(const QDomElement &nodeRecv)
{
const QString ns = nodeRecv.namespaceURI();
if (d->idleTimer->interval())
d->idleTimer->start();
if (ns == ns_tls && nodeRecv.tagName() == "starttls")
{
sendData("<proceed xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
socket()->flush();
socket()->startServerEncryption();
return;
}
else if (ns == ns_sasl)
{
if (nodeRecv.tagName() == "auth")
{
const QString mechanism = nodeRecv.attribute("mechanism");
if (mechanism == "PLAIN")
{
QList<QByteArray> auth = QByteArray::fromBase64(nodeRecv.text().toAscii()).split('\0');
if (auth.size() != 3)
{
sendData("<failure xmlns='urn:ietf:params:xml:ns:xmpp-sasl'><incorrect-encoding/></failure>");
disconnectFromHost();
return;
}
QXmppPasswordRequest request;
request.setDomain(d->domain);
request.setUsername(QString::fromUtf8(auth[1]));
request.setPassword(QString::fromUtf8(auth[2]));
if (!d->passwordChecker) {
// FIXME: what type of failure?
warning(QString("Cannot authenticate '%1', no password checker").arg(request.username()));
sendData("<failure xmlns='urn:ietf:params:xml:ns:xmpp-sasl'/>");
disconnectFromHost();
return;
}
QXmppPasswordReply *reply = d->passwordChecker->checkPassword(request);
reply->setParent(this);
reply->setProperty("__sasl_username", request.username());
connect(reply, SIGNAL(finished()), this, SLOT(onPasswordReply()));
}
else if (mechanism == "DIGEST-MD5")
{
// generate nonce
d->saslDigest.setNonce(QXmppSaslDigestMd5::generateNonce());
d->saslDigest.setQop("auth");
d->saslStep = 1;
QMap<QByteArray, QByteArray> challenge;
challenge["nonce"] = d->saslDigest.nonce();
challenge["realm"] = d->domain.toUtf8();
challenge["qop"] = d->saslDigest.qop();
challenge["charset"] = "utf-8";
challenge["algorithm"] = "md5-sess";
const QByteArray data = QXmppSaslDigestMd5::serializeMessage(challenge).toBase64();
sendData("<challenge xmlns='urn:ietf:params:xml:ns:xmpp-sasl'>" + data +"</challenge>");
}
else
{
// unsupported method
sendData("<failure xmlns='urn:ietf:params:xml:ns:xmpp-sasl'></failure>");
disconnectFromHost();
return;
}
}
else if (nodeRecv.tagName() == "response")
{
if (d->saslStep == 1)
{
const QByteArray raw = QByteArray::fromBase64(nodeRecv.text().toAscii());
QMap<QByteArray, QByteArray> saslResponse = QXmppSaslDigestMd5::parseMessage(raw);
// check credentials
const QString username = QString::fromUtf8(saslResponse.value("username"));
if (!d->passwordChecker) {
// FIXME: what type of failure?
warning(QString("Cannot authenticate '%1', no password checker").arg(username));
sendData("<failure xmlns='urn:ietf:params:xml:ns:xmpp-sasl'/>");
disconnectFromHost();
return;
}
QXmppPasswordRequest request;
request.setUsername(username);
request.setDomain(d->domain);
QXmppPasswordReply *reply = d->passwordChecker->getDigest(request);
reply->setParent(this);
reply->setProperty("__sasl_raw", raw);
connect(reply, SIGNAL(finished()), this, SLOT(onDigestReply()));
}
else if (d->saslStep == 2)
{
// authentication succeeded
d->saslStep = 3;
info(QString("Authentication succeeded for '%1'").arg(d->username));
sendData("<success xmlns='urn:ietf:params:xml:ns:xmpp-sasl'/>");
}
}
}
else if (ns == ns_client)
{
if (nodeRecv.tagName() == "iq")
{
const QString type = nodeRecv.attribute("type");
if (QXmppBindIq::isBindIq(nodeRecv) && type == "set")
{
QXmppBindIq bindSet;
bindSet.parse(nodeRecv);
d->resource = bindSet.resource().trimmed();
if (d->resource.isEmpty())
d->resource = generateStanzaHash();
QXmppBindIq bindResult;
bindResult.setType(QXmppIq::Result);
bindResult.setId(bindSet.id());
bindResult.setJid(jid());
sendPacket(bindResult);
// bound
emit connected();
return;
}
else if (QXmppSessionIq::isSessionIq(nodeRecv) && type == "set")
{
QXmppSessionIq sessionSet;
sessionSet.parse(nodeRecv);
QXmppIq sessionResult;
sessionResult.setType(QXmppIq::Result);
sessionResult.setId(sessionSet.id());
sessionResult.setTo(jid());
sendPacket(sessionResult);
return;
}
}
// check the sender is legitimate
const QString from = nodeRecv.attribute("from");
if (!from.isEmpty() && from != jid() && from != jidToBareJid(jid()))
{
warning(QString("Received a stanza from unexpected JID %1").arg(from));
return;
}
// process unhandled stanzas
if (nodeRecv.tagName() == "iq" ||
nodeRecv.tagName() == "message" ||
nodeRecv.tagName() == "presence")
{
QDomElement nodeFull(nodeRecv);
// if the sender is empty, set it to the appropriate JID
if (nodeFull.attribute("from").isEmpty())
{
if (nodeFull.tagName() == "presence" &&
(nodeFull.attribute("type") == "subscribe" ||
nodeFull.attribute("type") == "subscribed"))
nodeFull.setAttribute("from", jidToBareJid(jid()));
else
nodeFull.setAttribute("from", jid());
}
// if the recipient is empty, set it to the local domain
if (nodeFull.attribute("to").isEmpty())
nodeFull.setAttribute("to", d->domain);
// emit stanza for processing by server
emit elementReceived(nodeFull);
}
}
}