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package com.juick.components;
import com.juick.components.s2s.*;
import com.juick.xmpp.JID;
import com.juick.xmpp.Stanza;
import com.juick.xmpp.StanzaChild;
import com.juick.xmpp.extensions.JuickMessage;
import org.apache.commons.lang3.BooleanUtils;
import org.apache.commons.lang3.math.NumberUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.env.Environment;
import org.springframework.jdbc.core.JdbcTemplate;
import org.xmlpull.v1.XmlPullParserException;
import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import java.security.KeyManagementException;
import java.security.KeyStoreException;
import java.security.NoSuchAlgorithmException;
import java.security.UnrecoverableKeyException;
import java.security.cert.CertificateException;
import java.util.*;
import java.util.concurrent.ExecutorService;
/**
* @author ugnich
*/
public class XMPPServer implements AutoCloseable {
private static final Logger logger = LoggerFactory.getLogger(XMPPServer.class);
public ExecutorService service;
private ConnectionRouter router;
public JuickBot bot;
public String HOSTNAME, componentName;
public String keystore;
public String keystorePassword;
public List<String> brokenSSLhosts;
public List<String> bannedHosts;
private final List<ConnectionIn> inConnections = Collections.synchronizedList(new ArrayList<>());
private final List<ConnectionOut> outConnections = Collections.synchronizedList(new ArrayList<>());
private final List<CacheEntry> outCache = Collections.synchronizedList(new ArrayList<>());
public JdbcTemplate jdbc;
final public HashMap<String, StanzaChild> childParsers = new HashMap<>();
public XMPPServer(Environment env, ExecutorService service, JdbcTemplate jdbc) {
this.service = service;
this.jdbc = jdbc;
logger.info("component initialized");
try {
HOSTNAME = env.getProperty("hostname");
componentName = env.getProperty("componentname");
int componentPort = NumberUtils.toInt(env.getProperty("component_port"), 5347);
int s2sPort = NumberUtils.toInt(env.getProperty("s2s_port"), 5269);
JID Jid = new JID(env.getProperty("xmppbot_jid"));
keystore = env.getProperty("keystore");
keystorePassword = env.getProperty("keystore_password");
brokenSSLhosts = Arrays.asList(env.getProperty("broken_ssl_hosts", "").split(","));
bannedHosts = Arrays.asList(env.getProperty("banned_hosts", "").split(","));
bot = new JuickBot(this, Jid);
boolean disabled = BooleanUtils.toBoolean(env.getProperty("xmpp_disabled", "false"));
childParsers.put(JuickMessage.XMLNS, new JuickMessage());
if (!disabled) {
router = new ConnectionRouter(this, componentName, componentPort, env.getProperty("xmpp_password"));
service.submit(router);
service.submit(() -> {
final ServerSocket listener = new ServerSocket(s2sPort);
logger.info("s2s listener ready");
while (true) {
try {
Socket socket = listener.accept();
ConnectionIn client = new ConnectionIn(this, bot, socket);
addConnectionIn(client);
service.submit(client);
} catch (Exception e) {
logger.error("s2s error", e);
}
}
});
service.submit(new CleaningUp(this));
}
} catch (Exception e) {
logger.error("XMPPComponent error", e);
}
}
@Override
public void close() throws Exception {
synchronized (getOutConnections()) {
for (Iterator<ConnectionOut> i = getOutConnections().iterator(); i.hasNext(); ) {
ConnectionOut c = i.next();
c.closeConnection();
i.remove();
}
}
synchronized (getInConnections()) {
for (Iterator<ConnectionIn> i = getInConnections().iterator(); i.hasNext(); ) {
ConnectionIn c = i.next();
c.closeConnection();
i.remove();
}
}
logger.info("Xmpp server destroyed");
}
public void addConnectionIn(ConnectionIn c) {
synchronized (getInConnections()) {
getInConnections().add(c);
}
}
public void addConnectionOut(ConnectionOut c) {
synchronized (getOutConnections()) {
getOutConnections().add(c);
}
}
public void removeConnectionIn(ConnectionIn c) {
synchronized (getInConnections()) {
getInConnections().remove(c);
}
}
public void removeConnectionOut(ConnectionOut c) {
synchronized (getOutConnections()) {
getOutConnections().remove(c);
}
}
public String getFromCache(String hostname) {
CacheEntry ret = null;
synchronized (getOutCache()) {
for (Iterator<CacheEntry> i = getOutCache().iterator(); i.hasNext(); ) {
CacheEntry c = i.next();
if (c.hostname != null && c.hostname.equals(hostname)) {
ret = c;
i.remove();
break;
}
}
}
return (ret != null) ? ret.xml : null;
}
public ConnectionOut getConnectionOut(String hostname, boolean needReady) {
synchronized (getOutConnections()) {
for (ConnectionOut c : getOutConnections()) {
if (c.to != null && c.to.equals(hostname) && (!needReady || c.streamReady)) {
return c;
}
}
}
return null;
}
public ConnectionIn getConnectionIn(String streamID) {
synchronized (getInConnections()) {
for (ConnectionIn c : getInConnections()) {
if (c.streamID != null && c.streamID.equals(streamID)) {
return c;
}
}
}
return null;
}
public void sendOut(Stanza s) {
sendOut(s.to.Host, s.toString());
}
public void sendOut(String hostname, String xml) {
boolean haveAnyConn = false;
ConnectionOut connOut = null;
synchronized (getOutConnections()) {
for (ConnectionOut c : getOutConnections()) {
if (c.to != null && c.to.equals(hostname)) {
if (c.streamReady) {
connOut = c;
break;
} else {
haveAnyConn = true;
break;
}
}
}
}
if (connOut != null) {
try {
connOut.sendStanza(xml);
} catch (IOException e) {
logger.warn("STREAM TO {} {} ERROR: {}",
connOut.to, connOut.streamID, e);
}
return;
}
boolean haveCache = false;
synchronized (getOutCache()) {
for (CacheEntry c : getOutCache()) {
if (c.hostname != null && c.hostname.equals(hostname)) {
c.xml += xml;
c.tsUpdated = System.currentTimeMillis();
haveCache = true;
break;
}
}
if (!haveCache) {
getOutCache().add(new CacheEntry(hostname, xml));
}
}
if (!haveAnyConn) {
try {
ConnectionOut connectionOut = new ConnectionOut(this, hostname);
service.submit(connectionOut);
} catch (CertificateException | UnrecoverableKeyException | NoSuchAlgorithmException | XmlPullParserException | KeyStoreException | KeyManagementException | IOException e) {
logger.error("s2s out error", e);
}
}
}
public ConnectionRouter getRouter() {
return router;
}
public List<ConnectionIn> getInConnections() {
return inConnections;
}
public List<ConnectionOut> getOutConnections() {
return outConnections;
}
public List<CacheEntry> getOutCache() {
return outCache;
}
}
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