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package com.juick.xmpp.s2s;
import org.xmlpull.mxp1.MXParser;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import javax.crypto.Mac;
import javax.crypto.spec.SecretKeySpec;
import javax.net.ssl.KeyManagerFactory;
import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.io.*;
import java.net.Socket;
import java.security.*;
import java.security.cert.CertificateException;
import java.util.UUID;
import java.util.logging.Logger;
/**
*
* @author ugnich
*/
public class Connection {
protected static final Logger LOGGER = Logger.getLogger(Connection.class.getName());
public String streamID;
public long tsCreated = 0;
public long tsLocalData = 0;
public long bytesLocal = 0;
public long packetsLocal = 0;
Socket socket;
public static final String NS_DB = "jabber:server:dialback";
public static final String NS_TLS = "urn:ietf:params:xml:ns:xmpp-tls";
public static final String NS_STREAM = "http://etherx.jabber.org/streams";
XmlPullParser parser = new MXParser();
OutputStreamWriter writer;
private boolean secured = false;
SSLContext sc;
private TrustManager[] trustAllCerts = new TrustManager[]{
new X509TrustManager() {
public void checkClientTrusted(java.security.cert.X509Certificate[] certs, String authType) {
}
public void checkServerTrusted(java.security.cert.X509Certificate[] certs, String authType) {
}
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return null;
}
}
};
public Connection() throws XmlPullParserException, KeyStoreException, CertificateException, NoSuchAlgorithmException, IOException, UnrecoverableKeyException, KeyManagementException {
tsCreated = System.currentTimeMillis();
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
KeyStore ks = KeyStore.getInstance("JKS");
try (InputStream ksIs = new FileInputStream(XMPPComponent.keystore)) {
ks.load(ksIs, XMPPComponent.keystorePassword.toCharArray());
}
KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory
.getDefaultAlgorithm());
kmf.init(ks, XMPPComponent.keystorePassword.toCharArray());
sc = SSLContext.getInstance("TLSv1.2");
sc.init(kmf.getKeyManagers(), trustAllCerts, new SecureRandom());
}
public void logParser() {
if (streamID == null) {
return;
}
String tag = "IN: <" + parser.getName();
for (int i = 0; i < parser.getAttributeCount(); i++) {
tag += " " + parser.getAttributeName(i) + "=\"" + parser.getAttributeValue(i) + "\"";
}
tag += ">...</" + parser.getName() + ">\n";
LOGGER.fine(tag);
}
public void sendStanza(String xml) throws IOException {
if (streamID != null) {
LOGGER.fine("OUT: " + xml + "\n");
}
writer.write(xml);
writer.flush();
tsLocalData = System.currentTimeMillis();
bytesLocal += xml.length();
packetsLocal++;
}
void closeConnection() {
if (streamID != null) {
LOGGER.info(String.format("CLOSING STREAM %s", streamID));
}
try {
writer.write("</stream:stream>");
} catch (Exception e) {
}
try {
writer.close();
} catch (Exception e) {
}
try {
socket.close();
} catch (Exception e) {
}
}
static String generateDialbackKey(String to, String from, String id) throws Exception {
Mac hmacSha256 = Mac.getInstance("hmacSHA256");
SecretKeySpec secret_key = new SecretKeySpec("$UppPerSeCCret4".getBytes(), "SHA-256");
hmacSha256.init(secret_key);
byte key[] = hmacSha256.doFinal((to + " " + from + " " + id).getBytes());
StringBuilder hexkey = new StringBuilder();
for (int i = 0; i < key.length; i++) {
hexkey.append(Integer.toHexString(0xFF & key[i]));
}
return hexkey.toString();
}
public boolean isSecured() {
return secured;
}
public void setSecured(boolean secured) {
this.secured = secured;
}
public void restartParser() throws XmlPullParserException, IOException {
parser = new MXParser();
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
parser.setInput(new InputStreamReader(socket.getInputStream()));
writer = new OutputStreamWriter(socket.getOutputStream());
streamID = UUID.randomUUID().toString();
}
}
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