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package kr.syeyoung.dungeonsguide.stomp;
import lombok.Getter;
import org.java_websocket.client.WebSocketClient;
import org.java_websocket.handshake.ServerHandshake;
import org.java_websocket.server.DefaultSSLWebSocketServerFactory;
import sun.security.ssl.SSLSocketFactoryImpl;
import javax.net.ssl.*;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.net.Socket;
import java.net.URI;
import java.security.KeyManagementException;
import java.security.KeyStore;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.util.HashMap;
import java.util.Map;
public class StompClient extends WebSocketClient implements StompInterface {
private SSLSocketFactory getSocketfactory() throws NoSuchAlgorithmException, KeyManagementException, CertificateException, KeyStoreException, IOException {
final X509Certificate a = (X509Certificate) CertificateFactory.getInstance("X.509")
.generateCertificate(new ByteArrayInputStream(("-----BEGIN CERTIFICATE-----\n" +
"MIIEZTCCA02gAwIBAgIQQAF1BIMUpMghjISpDBbN3zANBgkqhkiG9w0BAQsFADA/\n" +
"MSQwIgYDVQQKExtEaWdpdGFsIFNpZ25hdHVyZSBUcnVzdCBDby4xFzAVBgNVBAMT\n" +
"DkRTVCBSb290IENBIFgzMB4XDTIwMTAwNzE5MjE0MFoXDTIxMDkyOTE5MjE0MFow\n" +
"MjELMAkGA1UEBhMCVVMxFjAUBgNVBAoTDUxldCdzIEVuY3J5cHQxCzAJBgNVBAMT\n" +
"AlIzMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuwIVKMz2oJTTDxLs\n" +
"jVWSw/iC8ZmmekKIp10mqrUrucVMsa+Oa/l1yKPXD0eUFFU1V4yeqKI5GfWCPEKp\n" +
"Tm71O8Mu243AsFzzWTjn7c9p8FoLG77AlCQlh/o3cbMT5xys4Zvv2+Q7RVJFlqnB\n" +
"U840yFLuta7tj95gcOKlVKu2bQ6XpUA0ayvTvGbrZjR8+muLj1cpmfgwF126cm/7\n" +
"gcWt0oZYPRfH5wm78Sv3htzB2nFd1EbjzK0lwYi8YGd1ZrPxGPeiXOZT/zqItkel\n" +
"/xMY6pgJdz+dU/nPAeX1pnAXFK9jpP+Zs5Od3FOnBv5IhR2haa4ldbsTzFID9e1R\n" +
"oYvbFQIDAQABo4IBaDCCAWQwEgYDVR0TAQH/BAgwBgEB/wIBADAOBgNVHQ8BAf8E\n" +
"BAMCAYYwSwYIKwYBBQUHAQEEPzA9MDsGCCsGAQUFBzAChi9odHRwOi8vYXBwcy5p\n" +
"ZGVudHJ1c3QuY29tL3Jvb3RzL2RzdHJvb3RjYXgzLnA3YzAfBgNVHSMEGDAWgBTE\n" +
"p7Gkeyxx+tvhS5B1/8QVYIWJEDBUBgNVHSAETTBLMAgGBmeBDAECATA/BgsrBgEE\n" +
"AYLfEwEBATAwMC4GCCsGAQUFBwIBFiJodHRwOi8vY3BzLnJvb3QteDEubGV0c2Vu\n" +
"Y3J5cHQub3JnMDwGA1UdHwQ1MDMwMaAvoC2GK2h0dHA6Ly9jcmwuaWRlbnRydXN0\n" +
"LmNvbS9EU1RST09UQ0FYM0NSTC5jcmwwHQYDVR0OBBYEFBQusxe3WFbLrlAJQOYf\n" +
"r52LFMLGMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjANBgkqhkiG9w0B\n" +
"AQsFAAOCAQEA2UzgyfWEiDcx27sT4rP8i2tiEmxYt0l+PAK3qB8oYevO4C5z70kH\n" +
"ejWEHx2taPDY/laBL21/WKZuNTYQHHPD5b1tXgHXbnL7KqC401dk5VvCadTQsvd8\n" +
"S8MXjohyc9z9/G2948kLjmE6Flh9dDYrVYA9x2O+hEPGOaEOa1eePynBgPayvUfL\n" +
"qjBstzLhWVQLGAkXXmNs+5ZnPBxzDJOLxhF2JIbeQAcH5H0tZrUlo5ZYyOqA7s9p\n" +
"O5b85o3AM/OJ+CktFBQtfvBhcJVd9wvlwPsk+uyOy2HI7mNxKKgsBTt375teA2Tw\n" +
"UdHkhVNcsAKX1H7GNNLOEADksd86wuoXvg==\n" +
"-----END CERTIFICATE-----").getBytes()));
KeyStore b = KeyStore.getInstance(KeyStore.getDefaultType());
b.load(null, null);
b.setCertificateEntry(Integer.toString(1), a);
X509TrustManager trustManager = new X509ExtendedTrustManager() {
@Override
public void checkClientTrusted(X509Certificate[] x509Certificates, String s, Socket socket) throws CertificateException {
for (X509Certificate x509Certificate : x509Certificates) {
if (x509Certificate.equals(a)) {
return;
}
}
throw new CertificateException("invalid");
}
@Override
public void checkServerTrusted(X509Certificate[] x509Certificates, String s, Socket socket) throws CertificateException {
for (X509Certificate x509Certificate : x509Certificates) {
if (x509Certificate.equals(a)) {
return;
}
}
throw new CertificateException("invalid");
}
@Override
public void checkClientTrusted(X509Certificate[] x509Certificates, String s, SSLEngine sslEngine) throws CertificateException {
for (X509Certificate x509Certificate : x509Certificates) {
if (x509Certificate.equals(a)) {
return;
}
}
throw new CertificateException("invalid");
}
@Override
public void checkServerTrusted(X509Certificate[] x509Certificates, String s, SSLEngine sslEngine) throws CertificateException {
for (X509Certificate x509Certificate : x509Certificates) {
if (x509Certificate.equals(a)) {
return;
}
}
throw new CertificateException("invalid");
}
@Override
public void checkClientTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
for (X509Certificate x509Certificate : x509Certificates) {
if (x509Certificate.equals(a)) {
return;
}
}
throw new CertificateException("invalid");
}
@Override
public void checkServerTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
for (X509Certificate x509Certificate : x509Certificates) {
if (x509Certificate.equals(a)) {
return;
}
}
throw new CertificateException("invalid");
}
@Override
public X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[] {a};
}
};
SSLContext d = SSLContext.getInstance("TLSv1.2");
d.init(null, new TrustManager[]{ trustManager}, null);
return d.getSocketFactory();
}
public StompClient(URI serverUri, final String token, CloseListener closeListener) throws Exception {
super(serverUri);
this.closeListener = closeListener;
addHeader("Authorization", token);
setSocketFactory(getSocketfactory());
System.out.println("connecting websocket");
if (!connectBlocking()) {
throw new RuntimeException("Can't connect to ws");
}
System.out.println("connected, stomp handshake");
while(this.stompClientStatus == StompClientStatus.CONNECTING);
System.out.println("fully connected");
}
private CloseListener closeListener;
@Getter
private volatile StompClientStatus stompClientStatus = StompClientStatus.CONNECTING;
@Getter
private StompPayload errorPayload;
@Override
public void onOpen(ServerHandshake handshakedata) {
send(new StompPayload().method(StompHeader.CONNECT)
.header("accept-version","1.2")
.header("host",uri.getHost()).getBuilt()
);
}
@Override
public void onMessage(String message) {
try {
StompPayload payload = StompPayload.parse(message);
if (payload.method() == StompHeader.CONNECTED) {
stompClientStatus = StompClientStatus.CONNECTED;
} else if (payload.method() == StompHeader.ERROR) {
errorPayload = payload;
stompClientStatus = StompClientStatus.ERROR;
this.close();
} else if (payload.method() == StompHeader.MESSAGE) {
// mesage
StompSubscription stompSubscription = stompSubscriptionMap.get(Integer.parseInt(payload.headers().get("subscription")));
try {
stompSubscription.getStompMessageHandler().handle(this, payload);
if (stompSubscription.getAckMode() != StompSubscription.AckMode.AUTO) {
send(new StompPayload().method(StompHeader.ACK)
.header("id",payload.headers().get("ack")).getBuilt()
);
}
} catch (Exception e) {
e.printStackTrace();
if (stompSubscription.getAckMode() != StompSubscription.AckMode.AUTO) {
send(new StompPayload().method(StompHeader.NACK)
.header("id",payload.headers().get("ack")).getBuilt()
);
}
}
} else if (payload.method() == StompHeader.RECEIPT) {
String receipt_id = payload.headers().get("receipt-id");
StompPayload payload1 = receiptMap.remove(Integer.parseInt(receipt_id));
if (payload1.method() == StompHeader.DISCONNECT) {
stompClientStatus = StompClientStatus.DISCONNECTED;
close();
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void onClose(int code, String reason, boolean remote) {
closeListener.onClose(code, reason, remote);
}
@Override
public void onError(Exception ex) {
ex.printStackTrace();
}
private Map<Integer, StompSubscription> stompSubscriptionMap = new HashMap<Integer, StompSubscription>();
private Map<Integer, StompPayload> receiptMap = new HashMap<Integer, StompPayload>();
private int idIncrement = 0;
@Override
public void send(StompPayload payload) {
if (stompClientStatus != StompClientStatus.CONNECTED) throw new IllegalStateException("not connected");
payload.method(StompHeader.SEND);
if (payload.headers().get("receipt") != null)
receiptMap.put(Integer.parseInt(payload.headers().get("receipt")), payload);
send(payload.getBuilt());
}
@Override
public void subscribe(StompSubscription stompSubscription) {
if (stompClientStatus != StompClientStatus.CONNECTED) throw new IllegalStateException("not connected");
stompSubscription.setId(++idIncrement);
send(new StompPayload().method(StompHeader.SUBSCRIBE)
.header("id",String.valueOf(stompSubscription.getId()))
.header("destination", stompSubscription.getDestination())
.header("ack", stompSubscription.getAckMode().getValue()).getBuilt()
);
stompSubscriptionMap.put(stompSubscription.getId(), stompSubscription);
}
@Override
public void unsubscribe(StompSubscription stompSubscription) {
if (stompClientStatus != StompClientStatus.CONNECTED) throw new IllegalStateException("not connected");
send(new StompPayload().method(StompHeader.UNSUBSCRIBE)
.header("id",String.valueOf(stompSubscription.getId())).getBuilt()
);
stompSubscriptionMap.remove(stompSubscription.getId());
}
@Override
public void disconnect() {
if (stompClientStatus != StompClientStatus.CONNECTED) throw new IllegalStateException("not connected");
StompPayload stompPayload;
stompClientStatus =StompClientStatus.DISCONNECTING;
send((stompPayload = new StompPayload().method(StompHeader.DISCONNECT)
.header("receipt", String.valueOf(++idIncrement)))
.getBuilt()
);
receiptMap.put(idIncrement, stompPayload);
}
}
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