/
ProxyConnection.java
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/
ProxyConnection.java
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package org.ifsoft.websockets;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.net.ssl.*;
import javax.xml.bind.DatatypeConverter;
import java.io.*;
import java.net.*;
import java.security.*;
import java.security.cert.X509Certificate;
import java.util.*;
import java.util.concurrent.*;
import javax.net.*;
import javax.net.ssl.*;
import javax.security.auth.callback.*;
import org.eclipse.jetty.util.ssl.SslContextFactory;
import org.eclipse.jetty.websocket.client.ClientUpgradeRequest;
import org.eclipse.jetty.websocket.client.WebSocketClient;
import org.eclipse.jetty.websocket.api.Session;
import org.eclipse.jetty.websocket.api.StatusCode;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketClose;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketConnect;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketMessage;
import org.eclipse.jetty.websocket.api.annotations.OnWebSocketError;
import org.eclipse.jetty.websocket.api.annotations.WebSocket;
import org.jivesoftware.util.JiveGlobals;
import org.jivesoftware.openfire.XMPPServer;
import net.sf.json.*;
import org.dom4j.Element;
import org.xmpp.packet.*;
public class ProxyConnection
{
private static Logger Log = LoggerFactory.getLogger( "ProxyConnection" );
private boolean isSecure = false;
private ProxyWebSocket socket;
private boolean connected = false;
private WebSocketClient client = null;
private ProxySocket proxySocket = null;
private List<String> subprotocol = null;
public ProxyConnection(URI uri, List<String> subprotocol, int connectTimeout)
{
Log.info("ProxyConnection " + uri + " " + subprotocol);
this.subprotocol = subprotocol;
SslContextFactory sec = new SslContextFactory();
if("wss".equals(uri.getScheme()))
{
sec.setValidateCerts(false);
Log.debug("ProxyConnection - SSL");
getSSLContext();
isSecure = true;
}
client = new WebSocketClient(sec);
proxySocket = new ProxySocket(this);
try
{
client.start();
ClientUpgradeRequest request = new ClientUpgradeRequest();
if (subprotocol != null) request.setSubProtocols(subprotocol);
client.connect(proxySocket, uri, request);
Log.debug("Connecting to : " + uri);
connected = true;
}
catch (Exception e)
{
Log.error("ProxyConnection " + uri, e);
connected = false;
}
}
public void setSocket( ProxyWebSocket socket ) {
this.socket = socket;
}
public void deliver(String text)
{
Log.debug("ProxyConnection - deliver \n" + text);
if (proxySocket != null)
{
proxySocket.deliver(text);
}
}
public void stop()
{
Log.debug("ProxyConnection - stop");
try
{
client.stop();
}
catch (Exception e)
{
Log.error("ProxyConnection - stop", e);
}
}
public void disconnect()
{
Log.debug("ProxyConnection - disconnect");
if (proxySocket != null) proxySocket.disconnect();
if (client != null) stop();
}
public void onClose(int code, String reason)
{
Log.debug("ProxyConnection - onClose " + reason + " " + code);
connected = false;
if (this.socket != null) this.socket.disconnect();
}
public void onMessage(String text) {
Log.debug("ProxyConnection - onMessage \n" + text);
try {
this.socket.deliver(text);
}
catch (Exception e) {
Log.error("deliverRawText error", e);
}
}
public boolean isSecure() {
return isSecure;
}
public boolean isConnected() {
return connected;
}
public void setSecure(boolean isSecure) {
this.isSecure = isSecure;
}
private SSLContext getSSLContext()
{
SSLContext sc = null;
try {
Log.debug("ProxyConnection SSL truster");
TrustManager[] trustAllCerts = new TrustManager[]
{
new X509TrustManager() {
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return null;
}
public void checkClientTrusted(X509Certificate[] certs, String authType) { }
public void checkServerTrusted(X509Certificate[] certs, String authType) { }
}
};
sc = SSLContext.getInstance("SSL");
sc.init(null, trustAllCerts, new java.security.SecureRandom());
HttpsURLConnection.setDefaultSSLSocketFactory(sc.getSocketFactory());
// Create all-trusting host name verifier
HostnameVerifier allHostsValid = new HostnameVerifier()
{
public boolean verify(String hostname, SSLSession session) {
return true;
}
};
// Install the all-trusting host verifier
HttpsURLConnection.setDefaultHostnameVerifier(allHostsValid);
} catch (Exception e) {
Log.error("getSSLContext SSL truster", e);
}
return sc;
}
@WebSocket(maxTextMessageSize = 64 * 1024) public class ProxySocket
{
private Session session;
private ProxyConnection proxyConnection;
private String lastMessage = null;
private String ipaddr = null;
public ProxySocket(ProxyConnection proxyConnection)
{
this.proxyConnection = proxyConnection;
}
@OnWebSocketError public void onError(Throwable t)
{
Log.error("Error: " + t.getMessage(), t);
}
@OnWebSocketClose public void onClose(int statusCode, String reason)
{
Log.debug("ProxySocket onClose " + statusCode + " " + reason);
this.session = null;
if (proxyConnection != null) proxyConnection.onClose(statusCode, reason);
}
@OnWebSocketConnect public void onConnect(Session session)
{
Log.debug("ProxySocket onConnect: " + session);
this.session = session;
if (lastMessage != null) deliver(lastMessage);
}
@OnWebSocketMessage public void onMessage(String msg)
{
Log.debug("ProxySocket onMessage \n" + msg);
if (proxyConnection != null) proxyConnection.onMessage(msg);
}
public void deliver(String text)
{
if (session != null)
{
try {
Log.debug("ProxySocket deliver: \n" + text);
session.getRemote().sendStringByFuture(text);
lastMessage = null;
} catch (Exception e) {
Log.error("ProxySocket deliver", e);
}
} else lastMessage = text;
}
public void disconnect()
{
if (session != null) session.close(StatusCode.NORMAL,"I'm done");
}
}
}