@Override
public void push(Session session, String callback, Map<String, Object> m) {
Set<Binding> bindings = pushBindingsMap.get(callback);
if (bindings == null) return;
for (Binding binding : bindings) {
if (binding.sessionId.equals(session.getGuid())) {
String orgDomain = session.getOrgDomain();
Message msg = createMessage(orgDomain, binding, callback, m);
if (logger.isTraceEnabled()) tracePush(orgDomain, callback, m, binding.sessionId, binding);
msgbus.send(msg);
}
}
}
public static Message decode(Session session, String text) {
Logger logger = LoggerFactory.getLogger(KrakenMessageDecoder.class.getName());
Charset utf8 = Charset.forName("utf-8");
// remove potential control characters
text = text.trim();
if (text.length() == 0) return null;
if (logger.isDebugEnabled())
logger.debug(
"kraken webconsole: debug websocket frame length {}, json [{}]", text.length(), text);
if (text.equals("ping")) return null;
// decrypt if msg is encrypted
if (session.has("enc_key")) {
try {
JSONTokener tokenizer = new JSONTokener(new StringReader(text));
JSONArray container = (JSONArray) tokenizer.nextValue();
JSONObject header = container.getJSONObject(0);
JSONObject body = container.getJSONObject(1);
if (header.has("iv") && body.has("data")) {
String data = body.getString("data");
byte[] iv =
ByteUtil.asArray(
Base64.decode(ChannelBuffers.wrappedBuffer(header.getString("iv").getBytes())));
byte[] buf =
ByteUtil.asArray(Base64.decode(ChannelBuffers.wrappedBuffer(data.getBytes())));
byte[] key = ByteUtil.asByteArray(UUID.fromString(session.getString("enc_key")));
SecretKeySpec secret = new SecretKeySpec(key, "AES");
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS7Padding");
cipher.init(Cipher.DECRYPT_MODE, secret, new IvParameterSpec(iv));
byte[] plain = new byte[cipher.getOutputSize(buf.length)];
int plainLength = cipher.update(buf, 0, buf.length, plain, 0);
plainLength += cipher.doFinal(plain, plainLength);
text = new String(plain, 0, plainLength, utf8);
logger.trace("kraken webconsole: decrypted msg [{}]", text);
}
} catch (Exception e) {
logger.error("kraken webconsole: cannot decode encrypted msg [" + text + "]", e);
}
}
try {
JSONTokener tokenizer = new JSONTokener(new StringReader(text));
JSONArray container = (JSONArray) tokenizer.nextValue();
JSONObject header = container.getJSONObject(0);
JSONObject body = container.getJSONObject(1);
Message msg = new Message();
msg.setGuid(header.getString("guid").trim());
msg.setType(Message.Type.valueOf(header.getString("type").trim()));
msg.setSource(header.getString("source"));
msg.setTarget(header.getString("target"));
msg.setMethod(header.getString("method").trim());
msg.setParameters(parse(body));
return msg;
} catch (JSONException e) {
logger.error("kraken webconsole: invalid json => " + text, e);
}
return null;
}