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Diffstat (limited to 'src/com/juick/jabber/ws/Main.java')
-rw-r--r--src/com/juick/jabber/ws/Main.java518
1 files changed, 518 insertions, 0 deletions
diff --git a/src/com/juick/jabber/ws/Main.java b/src/com/juick/jabber/ws/Main.java
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+++ b/src/com/juick/jabber/ws/Main.java
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+/*
+ * Juick
+ * Copyright (C) 2008-2011, Ugnich Anton
+ *
+ * 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.jabber.ws;
+
+import com.juick.xmpp.JID;
+import com.juick.xmpp.MessageListener;
+import com.juick.xmpp.XmppConnection;
+import com.juick.xmpp.XmppConnectionComponent;
+import com.juick.xmpp.XmppListener;
+import com.juick.xmpp.extensions.JuickMessage;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.math.BigInteger;
+import java.net.InetSocketAddress;
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.nio.channels.ServerSocketChannel;
+import java.nio.channels.SocketChannel;
+import java.nio.charset.Charset;
+import java.security.MessageDigest;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.Iterator;
+import java.util.Properties;
+import java.util.Vector;
+
+/**
+ *
+ * @author Ugnich Anton
+ */
+public class Main implements XmppListener, MessageListener {
+
+ Connection sql;
+ XmppConnection xmpp;
+ Vector<SocketSubscribed> sockReplies = new Vector<SocketSubscribed>();
+ Vector<SocketSubscribed> sockMessages = new Vector<SocketSubscribed>();
+ Vector<SocketSubscribed> sockAll = new Vector<SocketSubscribed>();
+ Selector sel;
+
+ public static void main(String[] args) {
+ new Main().start();
+ }
+
+ public void start() {
+ try {
+ Properties conf = new Properties();
+ conf.load(new FileInputStream("/etc/juick/ws.conf"));
+
+ setupSql(conf.getProperty("mysql_username", ""), conf.getProperty("mysql_password", ""));
+ setupXmppComponent(conf.getProperty("xmpp_password", ""));
+ setupWsServer();
+ } catch (Exception e) {
+ System.err.println(e);
+ }
+ }
+
+ public void setupSql(String username, String password) {
+ try {
+ sql = DriverManager.getConnection("jdbc:mysql://localhost/juick?autoReconnect=true&user=" + username + "&password=" + password);
+ } catch (SQLException e) {
+ System.err.println(e);
+ }
+ }
+
+ public void setupXmppComponent(String password) {
+ xmpp = new XmppConnectionComponent(new JID("ws.juick.com"), password, "127.0.0.1", 5347, false);
+ xmpp.addListener((XmppListener) this);
+ xmpp.addListener((MessageListener) this);
+ xmpp.start();
+ }
+
+ @Override
+ public void onConnectionFailed(String msg) {
+ System.err.println("XMPP onConnFailed " + msg);
+ }
+
+ @Override
+ public void onAuth(String resource) {
+ System.err.println("XMPP onAuth " + resource);
+ }
+
+ @Override
+ public void onAuthFailed(String message) {
+ System.err.println("XMPP onAuthFailed " + message);
+ }
+
+ public void setupWsServer() {
+ try {
+ sel = Selector.open();
+ ServerSocketChannel listensock = ServerSocketChannel.open();
+ listensock.configureBlocking(false);
+ listensock.socket().bind(new InetSocketAddress(8080));
+ listensock.register(sel, SelectionKey.OP_ACCEPT);
+
+ while (true) {
+ sel.select();
+ System.out.println("ONE");
+ Iterator it = sel.selectedKeys().iterator();
+ while (it.hasNext()) {
+ System.out.println("TWO");
+ SelectionKey selKey = (SelectionKey) it.next();
+ it.remove();
+ if (selKey.isAcceptable()) {
+ ServerSocketChannel ssChannel = (ServerSocketChannel) selKey.channel();
+ SocketChannel sChannel = ssChannel.accept();
+ System.out.println(sChannel.socket().getRemoteSocketAddress().toString() + " ACCEPTED");
+ sChannel.configureBlocking(false);
+ sChannel.register(sel, SelectionKey.OP_READ);
+ } else if (selKey.isReadable()) {
+ System.out.println("THREE");
+ SocketChannel sChannel = (SocketChannel) selKey.channel();
+ ByteBuffer buf = ByteBuffer.allocate(10240);
+ try {
+ if (sChannel.read(buf) > 0) {
+ buf.flip();
+ CharBuffer charbuf = Charset.forName("ISO-8859-1").decode(buf);
+ if (charbuf.charAt(0) == 0 && charbuf.charAt(charbuf.length() - 1) == 0xFF) {
+ wsTextFrame(sChannel, charbuf.subSequence(1, charbuf.length() - 2));
+ } else if (charbuf.charAt(0) == 'G' && charbuf.charAt(1) == 'E' && charbuf.charAt(2) == 'T' && charbuf.charAt(3) == ' ') {
+ wsHandshake(sChannel, buf);
+ } else {
+ System.out.println(sChannel.socket().getRemoteSocketAddress().toString() + " INVALID FRAME");
+ System.out.println("FOUR");
+ sChannel.close();
+ selKey.cancel();
+ }
+ } else {
+ sChannel.close();
+ selKey.cancel();
+ System.out.println("SIX");
+ }
+ } catch (IOException e) {
+ System.err.println(e);
+ sChannel.close();
+ System.out.println("FIVE");
+ selKey.cancel();
+ }
+ }
+ }
+ }
+ } catch (Exception e) {
+ System.err.println(e);
+ }
+ }
+
+ public void wsHandshake(SocketChannel sock, ByteBuffer buf) throws Exception {
+ String hOrigin = null;
+ String hHost = null;
+ String hLocation = null;
+ String hSecWebSocketKey1 = null;
+ String hSecWebSocketKey2 = null;
+ String hCookie = null;
+
+ buf.rewind();
+ CharBuffer charbuf = Charset.forName("ISO-8859-1").decode(buf);
+ String headers[] = charbuf.toString().split("\r\n");
+ for (int i = 0; i < headers.length; i++) {
+ String h[] = headers[i].split(" ", 2);
+ if (h.length == 2) {
+ if (h[0].equals("GET")) {
+ hLocation = headers[i].split(" ", 3)[1];
+ } else if (h[0].equals("Origin:")) {
+ hOrigin = h[1];
+ } else if (h[0].equals("Host:")) {
+ hHost = h[1];
+ } else if (h[0].equals("Sec-WebSocket-Key1:")) {
+ hSecWebSocketKey1 = h[1];
+ } else if (h[0].equals("Sec-WebSocket-Key2:")) {
+ hSecWebSocketKey2 = h[1];
+ } else if (h[0].equals("Cookie:")) {
+ hCookie = h[1];
+ }
+ }
+ }
+
+ if (hOrigin == null || hHost == null || hLocation == null || hSecWebSocketKey1 == null || hSecWebSocketKey2 == null) {
+ System.err.println(sock.socket().getRemoteSocketAddress().toString() + " Invalid headers");
+ sock.close();
+ return;
+ }
+
+ // Cookies
+ int UID = 0;
+
+ if (hCookie != null) {
+ String hash = null;
+
+ String cookies[] = hCookie.split("; ");
+ for (int i = 0; i < cookies.length; i++) {
+ String cookie[] = cookies[i].split("=", 2);
+ if (cookie[0].equals("hash")) {
+ hash = cookie[1];
+ break;
+ }
+ }
+
+ if (hash != null) {
+ UID = com.juick.server.UserQueries.getUIDbyHash(sql, hash);
+ }
+ }
+
+
+ // URL
+
+ String loc[] = hLocation.split("/");
+ int MID = 0;
+ if (hLocation.equals("/my") && UID > 0) {
+ sockMessages.add(new SocketSubscribed(sock, UID, 0));
+ } else if (hLocation.equals("/all")) {
+ sockAll.add(new SocketSubscribed(sock, UID, 0));
+ } else if ((loc.length == 2 || loc.length == 3) && loc[1].equals("replies")) {
+ if (loc.length == 2) {
+ sockReplies.add(new SocketSubscribed(sock, UID, 0));
+ } else {
+ try {
+ MID = Integer.parseInt(loc[2]);
+ } catch (Exception e) {
+ }
+ if (MID > 0) {
+ sockReplies.add(new SocketSubscribed(sock, UID, MID));
+ } else {
+ System.err.println(sock.socket().getRemoteSocketAddress().toString() + " Invalid MID");
+ sock.close();
+ return;
+ }
+ }
+ } else {
+ System.err.println(sock.socket().getRemoteSocketAddress().toString() + " Invalid location");
+ sock.close();
+ return;
+ }
+
+ System.out.println(sock.socket().getRemoteSocketAddress().toString() + " HANDSHAKE (UID=" + UID + ", MID=" + MID + ")");
+
+ Long lSecNum1 = calcSecKeyNum(hSecWebSocketKey1);
+ Long lSecNum2 = calcSecKeyNum(hSecWebSocketKey2);
+
+ BigInteger sec1 = new BigInteger(lSecNum1.toString());
+ BigInteger sec2 = new BigInteger(lSecNum2.toString());
+
+ // concatenate 3 parts secNum1 + secNum2 + secKey (16 Bytes)
+ byte[] l128Bit = new byte[]{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
+ byte[] lTmp;
+
+ lTmp = sec1.toByteArray();
+ int lIdx = lTmp.length;
+ int lCnt = 0;
+ while (lIdx > 0 && lCnt < 4) {
+ lIdx--;
+ lCnt++;
+ l128Bit[4 - lCnt] = lTmp[lIdx];
+ }
+
+ lTmp = sec2.toByteArray();
+ lIdx = lTmp.length;
+ lCnt = 0;
+ while (lIdx > 0 && lCnt < 4) {
+ lIdx--;
+ lCnt++;
+ l128Bit[8 - lCnt] = lTmp[lIdx];
+ }
+
+ buf.rewind();
+ for (int i = 0; i < 8; i++) {
+ l128Bit[8 + i] = buf.get(buf.limit() - 8 + i);
+ }
+
+ String outstr = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n"
+ + "Upgrade: WebSocket\r\n"
+ + "Connection: Upgrade\r\n"
+ + "Sec-WebSocket-Origin: " + hOrigin + "\r\n"
+ + "Sec-WebSocket-Location: ws://" + hHost + hLocation + "\r\n"
+ + "Sec-WebSocket-Protocol: sample\r\n"
+ + "\r\n";
+ ByteBuffer out = ByteBuffer.allocate(4096);
+ out.put(Charset.forName("ISO-8859-1").encode(outstr));
+ out.put(MessageDigest.getInstance("MD5").digest(l128Bit));
+ out.flip();
+
+ sock.write(out);
+ }
+
+ private static long calcSecKeyNum(String aKey) {
+ StringBuilder lSB = new StringBuilder();
+ // StringBuuffer lSB = new StringBuuffer();
+ int lSpaces = 0;
+ for (int i = 0; i < aKey.length(); i++) {
+ char lC = aKey.charAt(i);
+ if (lC == ' ') {
+ lSpaces++;
+ } else if (lC >= '0' && lC <= '9') {
+ lSB.append(lC);
+ }
+ }
+ long lRes = -1;
+ if (lSpaces > 0) {
+ try {
+ lRes = Long.parseLong(lSB.toString()) / lSpaces;
+ // log.debug("Key: " + aKey + ", Numbers: " + lSB.toString() +
+ // ", Spaces: " + lSpaces + ", Result: " + lRes);
+ } catch (NumberFormatException ex) {
+ // use default result
+ }
+ }
+ return lRes;
+ }
+
+ public void wsTextFrame(SocketChannel sock, CharSequence csbuf) {
+ String buf = csbuf.toString();
+ if (buf.equals(" ")) {
+ ByteBuffer out = ByteBuffer.allocate(4);
+ out.put((byte) 0x00);
+ out.put((byte) 0x20);
+ out.put((byte) 0xFF);
+ out.flip();
+ out.rewind();
+ try {
+ sock.write(out);
+ } catch (IOException e) {
+ }
+ } else {
+ System.out.println(sock.socket().getRemoteSocketAddress().toString() + " DATA '" + buf + "'");
+ }
+ }
+
+ @Override
+ public void onMessage(com.juick.xmpp.Message msg) {
+ JuickMessage jmsg = (JuickMessage) msg.getChild(JuickMessage.XMLNS);
+ if (jmsg != null) {
+ if (jmsg.RID == 0) {
+ onJuickMessagePost(jmsg);
+ } else {
+ onJuickMessageReply(jmsg);
+ }
+ }
+ }
+
+ private void onJuickMessagePost(com.juick.Message jmsg) {
+ String json = "{"
+ + "\"mid\":" + jmsg.MID + ","
+ + "\"user\":{" + "\"uid\":" + jmsg.User.UID + "," + "\"uname\":\"" + encloseJSON(jmsg.User.UName) + "\"},"
+ + "\"timestamp\":\"" + jmsg.Timestamp + "\","
+ + "\"body\":\"" + encloseJSON(jmsg.Text) + "\"";
+ if (jmsg.tags.size() > 0) {
+ json += ",\"tags\":[";
+ for (int i = 0; i < jmsg.tags.size(); i++) {
+ if (i > 0) {
+ json += ",";
+ }
+ json += "\"" + encloseJSON((String) jmsg.tags.get(i)) + "\"";
+ }
+ json += "]";
+ }
+ json += "}";
+
+ ByteBuffer out = ByteBuffer.allocate(10240);
+ out.put((byte) 0x00);
+ out.put(Charset.forName("UTF-8").encode(json));
+ out.put((byte) 0xFF);
+ out.flip();
+
+
+ String query = "SELECT suser_id FROM subscr_users WHERE user_id=" + jmsg.User.UID + " AND suser_id NOT IN (SELECT user_id FROM bl_tags INNER JOIN messages_tags USING(tag_id) WHERE message_id=" + jmsg.MID + ")";
+ if (jmsg.Privacy < 0) {
+ query += " AND suser_id IN (SELECT wl_user_id FROM wl_users WHERE user_id=" + jmsg.User.UID + ")";
+ }
+
+ Statement stmt = null;
+ ResultSet rs = null;
+ try {
+ stmt = sql.createStatement();
+ rs = stmt.executeQuery(query);
+ rs.beforeFirst();
+ while (rs.next()) {
+ int UID = rs.getInt(1);
+
+ for (int i = sockMessages.size() - 1; i >= 0; i--) {
+ SocketSubscribed ss = sockMessages.get(i);
+ if (ss.UID == UID) {
+ try {
+ out.rewind();
+ ss.sock.write(out);
+ } catch (IOException e) {
+ sockMessages.remove(i);
+ try {
+ ss.sock.close();
+ } catch (IOException ex) {
+ }
+ }
+ }
+ }
+
+ if (jmsg.Privacy <= 0) {
+ for (int i = sockAll.size() - 1; i >= 0; i--) {
+ SocketSubscribed ss = sockAll.get(i);
+ if (ss.UID == UID) {
+ try {
+ out.rewind();
+ ss.sock.write(out);
+ } catch (IOException e) {
+ sockAll.remove(i);
+ try {
+ ss.sock.close();
+ } catch (IOException ex) {
+ }
+ }
+ }
+ }
+ }
+
+ }
+ } catch (SQLException e) {
+ System.err.println(e);
+ } finally {
+ if (rs != null) {
+ try {
+ rs.close();
+ } catch (SQLException e) {
+ }
+ }
+ if (stmt != null) {
+ try {
+ stmt.close();
+ } catch (SQLException e) {
+ }
+ }
+ }
+
+ // Send to all
+ if (jmsg.Privacy > 0) {
+ for (int i = sockAll.size() - 1; i >= 0; i--) {
+ SocketSubscribed ss = sockAll.get(i);
+ try {
+ out.rewind();
+ ss.sock.write(out);
+ } catch (IOException e) {
+ sockAll.remove(i);
+ try {
+ ss.sock.close();
+ } catch (IOException ex) {
+ }
+ }
+ }
+ }
+
+
+
+ }
+
+ private void onJuickMessageReply(com.juick.Message jmsg) {
+ String json = "{"
+ + "\"mid\":" + jmsg.MID + ","
+ + "\"rid\":" + jmsg.RID + ","
+ + "\"user\":{" + "\"uid\":" + jmsg.User.UID + "," + "\"uname\":\"" + encloseJSON(jmsg.User.UName) + "\"},"
+ + "\"timestamp\":\"" + jmsg.Timestamp + "\","
+ + "\"body\":\"" + encloseJSON(jmsg.Text) + "\""
+ + "}";
+
+ ByteBuffer out = ByteBuffer.allocate(10240);
+ out.put((byte) 0x00);
+ out.put(Charset.forName("UTF-8").encode(json));
+ out.put((byte) 0xFF);
+ out.flip();
+
+ for (int i = sockReplies.size() - 1; i >= 0; i--) {
+ SocketSubscribed ss = sockReplies.get(i);
+ if (ss.MID == 0 || ss.MID == jmsg.MID) {
+ try {
+ out.rewind();
+ ss.sock.write(out);
+ } catch (IOException e) {
+ sockReplies.remove(i);
+ try {
+ ss.sock.close();
+ } catch (IOException ex) {
+ }
+ }
+ }
+ }
+ }
+
+ public static String encloseJSON(String str) {
+ return str.replace("\"", "&quot;").replace("\\", "\\\\").replace("\n", "\\n");
+ }
+}
+
+class SocketSubscribed {
+
+ public SocketChannel sock;
+ public int UID;
+ public int MID;
+
+ public SocketSubscribed(SocketChannel sock, int UID, int MID) {
+ this.sock = sock;
+ this.UID = UID;
+ this.MID = MID;
+ }
+}
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