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package com.juick.components.s2s;
import com.juick.User;
import com.juick.components.XMPPServer;
import com.juick.xmpp.Message;
import com.juick.xmpp.extensions.JuickMessage;
import com.juick.xmpp.extensions.Nickname;
import com.juick.xmpp.extensions.XOOB;
import com.juick.xmpp.utils.XmlUtils;
import net.jodah.failsafe.Execution;
import net.jodah.failsafe.RetryPolicy;
import org.apache.commons.codec.digest.DigestUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xmlpull.v1.XmlPullParser;
import org.xmlpull.v1.XmlPullParserException;
import rocks.xmpp.addr.Jid;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.InetSocketAddress;
import java.nio.channels.AsynchronousSocketChannel;
import java.nio.channels.Channels;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
/**
* @author ugnich
*/
public class ConnectionRouter extends Connection implements Runnable, AutoCloseable {
private static final Logger logger = LoggerFactory.getLogger(ConnectionRouter.class);
private String componentName;
private int componentPort;
private String password;
private Execution execution;
public ConnectionRouter(XMPPServer s2s, String componentName, int componentPort, String password) throws Exception {
super(s2s);
this.componentName = componentName;
this.componentPort = componentPort;
this.password = password;
}
@Override
public void run() {
logger.info("stream router start");
@SuppressWarnings("unchecked") RetryPolicy retryPolicy = new RetryPolicy()
.withBackoff(1, 30, TimeUnit.SECONDS)
.withJitter(0.1)
.retryOn(IOException.class, XmlPullParserException.class);
execution = new Execution(retryPolicy);
xmpp.service.submit(() -> {
while (!execution.isComplete()) {
try {
AsynchronousSocketChannel socket = AsynchronousSocketChannel.open();
socket.connect(new InetSocketAddress("localhost", componentPort)).get();
parser.setInput(new InputStreamReader(Channels.newInputStream(socket)));
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
writer = new OutputStreamWriter(Channels.newOutputStream(socket));
String msg = String.format("<stream:stream xmlns='jabber:component:accept' " +
"xmlns:stream='http://etherx.jabber.org/streams' to='%s'>", componentName);
writer.write(msg);
writer.flush();
parser.next(); // stream:stream
streamID = parser.getAttributeValue(null, "id");
if (streamID == null || streamID.isEmpty()) {
throw new Exception("fail on first packet");
}
msg = "<handshake>" + DigestUtils.sha1Hex(streamID + password) + "</handshake>";
writer.write(msg);
writer.flush();
parser.next();
if (!parser.getName().equals("handshake")) {
throw new Exception("no handshake");
}
XmlUtils.skip(parser);
logger.info("stream router open");
while (parser.next() != XmlPullParser.END_DOCUMENT) {
if (parser.getEventType() != XmlPullParser.START_TAG) {
continue;
}
String tag = parser.getName();
String to = parser.getAttributeValue(null, "to");
if (to != null && (tag.equals("message") || tag.equals("presence") || tag.equals("iq"))) {
Jid jid = Jid.of(to);
if (jid.getDomain() != null) {
if (jid.getDomain().equals(componentName)) {
if (tag.equals("message")) {
Message xmsg = Message.parse(parser, xmpp.childParsers);
logger.info("stream router (process): {}", xmsg);
JuickMessage jmsg = (JuickMessage) xmsg.getChild(JuickMessage.XMLNS);
if (jmsg != null) {
if (jid.getLocal() != null && jid.getLocal().equals("recomm")) {
sendJuickRecommendation(jmsg);
} else {
if (jmsg.getRid() > 0) {
sendJuickComment(jmsg);
} else if (jmsg.getMid() > 0) {
sendJuickMessage(jmsg);
}
}
}
} else if (tag.equals("iq") || tag.equals("presence")) {
String xml = XmlUtils.parseToString(parser, true);
logger.info("stream router (stanza): {}", xml);
}
} else if (jid.getDomain().endsWith(xmpp.HOSTNAME) && (jid.getDomain().equals(xmpp.HOSTNAME)
|| jid.getDomain().endsWith("." + xmpp.HOSTNAME))) {
String xml = XmlUtils.parseToString(parser, true);
logger.info("stream router: {}", xml);
} else {
String xml = XmlUtils.parseToString(parser, true);
logger.info("stream router (out): {}", xml);
xmpp.sendOut(jid.getDomain(), xml);
}
} else {
String invalidStanza = XmlUtils.parseToString(parser, true);
logger.info("stream router (no to): {}", invalidStanza);
}
} else {
String unknownStanza = XmlUtils.parseToString(parser, true);
logger.info("stream router (unknown): {}", unknownStanza);
}
}
logger.warn("stream router finished");
} catch (InterruptedException ex) {
logger.info("shutting down");
execution.complete();
} catch (Exception e) {
logger.warn("router error, reconnection ", e);
execution.recordFailure(e);
}
}
});
}
public void sendJuickMessage(JuickMessage jmsg) {
List<String> jids = new ArrayList<>();
if (jmsg.FriendsOnly) {
jids = xmpp.subscriptionService.getJIDSubscribedToUser(jmsg.getUser().getUid(), jmsg.FriendsOnly);
} else {
List<User> users = xmpp.subscriptionService.getSubscribedUsers(jmsg.getUser().getUid(), jmsg.getMid());
for (User user : users) {
for (String jid : xmpp.userService.getJIDsbyUID(user.getUid())) {
jids.add(jid);
}
}
}
String txt = "@" + jmsg.getUser().getName() + ":" + jmsg.getTagsString() + "\n";
String attachment = jmsg.getAttachmentURL();
if (attachment != null) {
txt += attachment + "\n";
}
txt += jmsg.getText() + "\n\n";
txt += "#" + jmsg.getMid() + " http://juick.com/" + jmsg.getMid();
Nickname nick = new Nickname();
nick.Nickname = "@" + jmsg.getUser().getName();
com.juick.xmpp.Message msg = new com.juick.xmpp.Message();
msg.from = xmpp.getJid();
msg.body = txt;
msg.type = Message.Type.chat;
msg.thread = "juick-" + jmsg.getMid();
msg.addChild(jmsg);
msg.addChild(nick);
if (attachment != null) {
XOOB oob = new XOOB();
oob.URL = attachment;
msg.addChild(oob);
}
for (String jid : jids) {
msg.to = Jid.of(jid);
xmpp.sendOut(msg);
}
}
public void sendJuickComment(JuickMessage jmsg) {
List<User> users;
String replyQuote;
String replyTo;
users = xmpp.subscriptionService.getUsersSubscribedToComments(jmsg.getMid(), jmsg.getUser().getUid());
com.juick.Message replyMessage = jmsg.getReplyto() > 0 ? xmpp.messagesService.getReply(jmsg.getMid(), jmsg.getReplyto())
: xmpp.messagesService.getMessage(jmsg.getMid());
replyTo = replyMessage.getUser().getName();
com.juick.Message fullReply = xmpp.messagesService.getReply(jmsg.getMid(), jmsg.getRid());
replyQuote = fullReply.getReplyQuote();
String txt = "Reply by @" + jmsg.getUser().getName() + ":\n" + replyQuote + "\n@" + replyTo + " ";
String attachment = jmsg.getAttachmentURL();
if (attachment != null) {
txt += attachment + "\n";
}
txt += jmsg.getText() + "\n\n" + "#" + jmsg.getMid() + "/" + jmsg.getRid() + " http://juick.com/" + jmsg.getMid() + "#" + jmsg.getRid();
com.juick.xmpp.Message msg = new com.juick.xmpp.Message();
msg.from = xmpp.getJid();
msg.body = txt;
msg.type = Message.Type.chat;
msg.addChild(jmsg);
for (User user : users) {
for (String jid : xmpp.userService.getJIDsbyUID(user.getUid())) {
msg.to = Jid.of(jid);
xmpp.sendOut(msg);
}
}
}
public void sendJuickRecommendation(JuickMessage recomm) {
List<User> users;
JuickMessage jmsg;
jmsg = new JuickMessage(xmpp.messagesService.getMessage(recomm.getMid()));
users = xmpp.subscriptionService.getUsersSubscribedToUserRecommendations(recomm.getUser().getUid(),
recomm.getMid(), jmsg.getUser().getUid());
String txt = "Recommended by @" + recomm.getUser().getName() + ":\n";
txt += "@" + jmsg.getUser().getName() + ":" + jmsg.getTagsString() + "\n";
String attachment = jmsg.getAttachmentURL();
if (attachment != null) {
txt += attachment + "\n";
}
txt += jmsg.getText() + "\n\n";
txt += "#" + jmsg.getMid();
if (jmsg.getReplies() > 0) {
if (jmsg.getReplies() % 10 == 1 && jmsg.getReplies() % 100 != 11) {
txt += " (" + jmsg.getReplies() + " reply)";
} else {
txt += " (" + jmsg.getReplies() + " replies)";
}
}
txt += " http://juick.com/" + jmsg.getMid();
Nickname nick = new Nickname();
nick.Nickname = "@" + jmsg.getUser().getName();
com.juick.xmpp.Message msg = new com.juick.xmpp.Message();
msg.from = xmpp.getJid();
msg.body = txt;
msg.type = Message.Type.chat;
msg.thread = "juick-" + jmsg.getMid();
msg.addChild(jmsg);
msg.addChild(nick);
if (attachment != null) {
XOOB oob = new XOOB();
oob.URL = attachment;
msg.addChild(oob);
}
for (User user : users) {
for (String jid : xmpp.userService.getJIDsbyUID(user.getUid())) {
msg.to = Jid.of(jid);
xmpp.sendOut(msg);
}
}
}
@Override
public void close() throws Exception {
execution.complete();
}
}
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