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/*
* Copyright (C) 2008-2017, Juick
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.juick.components.s2s;
import com.juick.components.XMPPServer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xmlpull.mxp1.MXParser;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
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.nio.charset.StandardCharsets;
import java.security.*;
import java.security.cert.CertificateException;
/**
*
* @author ugnich
*/
public class Connection {
protected static final Logger logger = LoggerFactory.getLogger(Connection.class);
public String streamID;
public long tsCreated = 0;
public long tsLocalData = 0;
public long bytesLocal = 0;
public long packetsLocal = 0;
XMPPServer xmpp;
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(XMPPServer xmpp) throws XmlPullParserException, KeyStoreException, CertificateException, NoSuchAlgorithmException, IOException, UnrecoverableKeyException, KeyManagementException {
this.xmpp = xmpp;
tsCreated = System.currentTimeMillis();
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
KeyStore ks = KeyStore.getInstance("JKS");
try (InputStream ksIs = new FileInputStream(xmpp.keystore)) {
ks.load(ksIs, xmpp.keystorePassword.toCharArray());
KeyManagerFactory kmf = KeyManagerFactory.getInstance(KeyManagerFactory
.getDefaultAlgorithm());
kmf.init(ks, xmpp.keystorePassword.toCharArray());
sc = SSLContext.getInstance("TLSv1.2");
sc.init(kmf.getKeyManagers(), trustAllCerts, new SecureRandom());
} catch (Exception e) {
logger.warn("tls unavailable");
}
}
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.trace(tag);
}
public void sendStanza(String xml) {
if (streamID != null) {
logger.trace("OUT: {}\n", xml);
}
try {
writer.write(xml);
writer.flush();
} catch (IOException e) {
logger.error("send stanza failed", e);
}
tsLocalData = System.currentTimeMillis();
bytesLocal += xml.length();
packetsLocal++;
}
public void closeConnection() {
if (streamID != null) {
logger.info("closing stream {}", streamID);
}
try {
writer.write("</stream:stream>");
} catch (Exception e) {
}
try {
writer.close();
} catch (Exception e) {
}
try {
socket.close();
} catch (Exception e) {
}
}
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(), StandardCharsets.UTF_8);
}
}
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