diff options
author | 2013-08-04 02:50:44 +0700 | |
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committer | 2013-08-04 02:50:44 +0700 | |
commit | db2d48c068715c2841fd60b955c98580236c400d (patch) | |
tree | 200df4736f27f978b770e6e23fac87a5ebbb5a70 /src/com/juick/jabber/ws/WSData.java | |
parent | 44c7c01059640147fbb9df129c2cff7b0a127329 (diff) |
4 threads
Diffstat (limited to 'src/com/juick/jabber/ws/WSData.java')
-rw-r--r-- | src/com/juick/jabber/ws/WSData.java | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/src/com/juick/jabber/ws/WSData.java b/src/com/juick/jabber/ws/WSData.java new file mode 100644 index 00000000..97193510 --- /dev/null +++ b/src/com/juick/jabber/ws/WSData.java @@ -0,0 +1,233 @@ +package com.juick.jabber.ws; + +import java.io.IOException; +import java.math.BigInteger; +import java.nio.ByteBuffer; +import java.nio.CharBuffer; +import java.nio.channels.SelectionKey; +import java.nio.channels.Selector; +import java.nio.channels.SocketChannel; +import java.nio.charset.Charset; +import java.security.MessageDigest; +import java.sql.Connection; +import java.util.Iterator; + +/** + * + * @author ugnich + */ +public class WSData implements Runnable { + + Connection sql; + public static Selector sel; + + public WSData(Connection sql) { + this.sql = sql; + } + + @Override + public void run() { + try { + sel = Selector.open(); + while (true) { + sel.select(); + Iterator<SelectionKey> it = sel.selectedKeys().iterator(); + while (it.hasNext()) { + SelectionKey selKey = it.next(); + it.remove(); + + 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 { + throw new IOException(sChannel.socket().getRemoteSocketAddress().toString() + " INVALID FRAME"); + } + } else { + throw new IOException(sChannel.socket().getRemoteSocketAddress().toString()+ " NO DATA"); + } + } catch (IOException e) { + System.err.println("WSData: " + e); + sChannel.socket().close(); + sChannel.close(); + selKey.cancel(); + } + } + } + } catch (Exception e) { + System.err.println("WSData: " + 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) { + throw new IOException(sock.socket().getRemoteSocketAddress().toString() + " Invalid headers"); + } + + // Cookies + int UID = 0; + String hash = null; + if (hCookie != 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) { + Main.sockMessages.add(new SocketSubscribed(sock, UID, 0)); + } else if (hLocation.equals("/all")) { + Main.sockAll.add(new SocketSubscribed(sock, UID, 0)); + } else if ((loc.length == 2 || loc.length == 3) && loc[1].equals("replies")) { + if (loc.length == 2) { + Main.sockReplies.add(new SocketSubscribed(sock, UID, 0)); + } else { + try { + MID = Integer.parseInt(loc[2]); + } catch (Exception e) { + } + if (MID > 0) { + Main.sockReplies.add(new SocketSubscribed(sock, UID, MID)); + } else { + throw new IOException(sock.socket().getRemoteSocketAddress().toString() + " Invalid MID"); + } + } + } else { + throw new IOException(sock.socket().getRemoteSocketAddress().toString() + " Invalid location"); + } + + System.out.println(sock.socket().getRemoteSocketAddress().toString() + " HANDSHAKE (Hash=" + hash + "; 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(); + 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; + } 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 + "'"); + } + } +} |