core/modules/v/Server.java

   1 /**
   2 #
   3 # BorkNet Services Core
   4 #
   5
   6 #
   7 # Copyright (C) 2004 Ozafy - ozafy@borknet.org - http://www.borknet.org
   8 #
   9 # This program is free software; you can redistribute it and/or
  10 # modify it under the terms of the GNU General Public License
  11 # as published by the Free Software Foundation; either version 2
  12 # of the License, or (at your option) any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program; if not, write to the Free Software
  21 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22 #
  23 */
  24
  25 /*
  26 Handles all raw data.
  27
  28 This one only parses private messages and relays them to commands.
  29
  30 However, it can parse any message on the network, and could infact
  31 be adjusted to support diffrent protocols (in theory ;)
  32 */
  33
  34 import java.util.*;
  35 import java.net.*;
  36 import java.security.*;
  37 import borknet_services.core.*;
  38
  39 /**
  40  * The server communication class of the Q IRC Bot.
  41  * @author Ozafy - ozafy@borknet.org - http://www.borknet.org
  42  */
  43 public class Server
  44 {
  45         /** the main bot */
  46         private Core C;
  47         /** Core commands */
  48         private Commands CC;
  49         /** the bot's nick */
  50         private String nick;
  51         /** the bot's host */
  52         private String host;
  53         /** the server's numeric */
  54         private String numeric;
  55         /** the bot's numeric */
  56         private String corenum;
  57         /** the channel we report to */
  58         private String reportchan;
  59         /** our version reply */
  60         private String version;
  61         /**  counts the number of received pings, used as a timer for channel limits */
  62         private int limit = 0;
  63
  64         private V Bot;
  65
  66
  67         /**
  68          * Constructs a Server communicator.
  69          * @param B             The main bot
  70          * @param dbc   The connection to the database
  71          */
  72  public Server(Core C, V Bot)
  73         {
  74                 this.C = C;
  75                 this.Bot = Bot;
  76                 CC = new Commands(C,Bot);
  77                 nick = C.get_nick();
  78                 host = C.get_host();
  79                 numeric = C.get_numeric();
  80                 corenum = C.get_corenum();
  81                 version = C.get_version();
  82                 reportchan = C.get_reportchan();
  83         }
  84
  85         public void parse(ArrayList<String> params)
  86         {
  87   String source = params.get(0);
  88   String command = params.get(1);
  89   if(command.equals("P"))
  90   {
  91    privmsg(params);
  92   }
  93                 else if(command.equals("N"))
  94                 {
  95                         if(Bot.get_qwebirc() || Bot.get_automatic())
  96                         {
  97                                 nickchange(params);
  98                         }
  99                 }
 100         }
 101
 102         /**
 103          * Handles a privmsg
 104          * @param me            Server it's going to.
 105          * @param username      numeric of the user talking to me
 106          * @param message       the message we got from the user
 107          */
 108         public void privmsg(ArrayList<String> params)
 109         {
 110                 CC.privmsg(params);
 111         }
 112
 113         /**
 114          * Handles N lines, these can be a user nickchange, or new clients connecting
 115          *
 116          * @param usernumeric   the user's numeric
 117          * @param params                raw irc data
 118          */
 119         public void nickchange(ArrayList<String> params)
 120         {
 121                 //AB N Ozafy 1 1119649303 ozafy bob.be.borknet.org +oiwkgrxXnIh Ozafy Darth@Vader B]AAAB ABAXs :Laurens Panier
 122   String source = params.get(0);
 123                 if(source.length() < 3)
 124                 {
 125                         try
 126                         {
 127                                 String ident = params.get(5);
 128                                 String ip;
 129                                 try
 130                                 {
 131                                         ip = InetAddress.getByName(params.get(6)).getHostAddress();
 132                                 }
 133                                 catch(UnknownHostException e)
 134                                 {
 135                                         ip = "0.0.0.0";
 136                                 }
 137                                 String numeric = params.get(params.size()-2);
 138     if(Bot.get_qwebirc() && params.get(6).equals(Bot.get_qhost()))
 139     {
 140      try
 141      {
 142       long realip = Long.parseLong(ident.substring(1),16);
 143       setHost(numeric, Bot.get_qident(), C.longToHost(realip));
 144      }
 145      catch(Exception longex)
 146      {
 147       //do nothing
 148      }
 149     }
 150     else if(Bot.get_automatic())
 151     {
 152      String vhost = encrypt(ip) + "." + Bot.get_vhost();
 153      setHost(numeric, ident, vhost);
 154     }
 155                         }
 156                         catch(ArrayIndexOutOfBoundsException e)
 157                         {
 158                                 C.printDebug("ArrayIndexOutOfBoundsException in srv_nickchange! (1)");
 159                                 C.debug(e);
 160                                 C.report("ArrayIndexOutOfBoundsException in srv_nickchange! (1)");
 161                         }
 162                 }
 163         }
 164
 165         public void setHost(String numeric, String ident, String vhost)
 166         {
 167                 C.cmd_sethost(numeric, ident, vhost);
 168         }
 169
 170         public String encrypt(String str)
 171         {
 172                 long hash = 0;
 173                 long x    = 0;
 174                 for(int i = 0; i < str.length(); i++)
 175                 {
 176                         hash = (hash << 4) + str.charAt(i);
 177                         if((x = hash & 0xF0000000L) != 0)
 178                         {
 179                                 hash ^= (x >> 24);
 180                         }
 181                         hash &= ~x;
 182                 }
 183                 return hash+"";
 184         }
 185 }