node/app.js

   1 var tls = null;
   2 var net = null;
   3 var http = null;
   4 var https = null;
   5 var fs = null;
   6 var url = null;
   7 var dns = null;
   8 var crypto = null;
   9 var ws = null;
  10 var jsp = null;
  11 var pro = null;
  12 var _ = null;
  13 var starttls = null;
  14 var kiwi = null;
  15
  16 this.init = function (objs) {
  17         tls = objs.tls;
  18         net = objs.net;
  19         http = objs.http;
  20         https = objs.https;
  21         fs = objs.fs;
  22         url = objs.url;
  23         dns = objs.dns;
  24         crypto = objs.crypto;
  25         ws = objs.ws;
  26         jsp = objs.jsp;
  27         pro = objs.pro;
  28         _ = objs._;
  29         starttls = objs.starttls;
  30         kiwi = require('./kiwi.js');
  31 }
  32
  33
  34
  35
  36
  37
  38 /*
  39  * Some process changes
  40  */
  41 this.setTitle = function () {
  42         process.title = 'kiwiirc';
  43 }
  44
  45 this.changeUser = function () {
  46     if (typeof kiwi.config.group !== 'undefined' && kiwi.config.group !== '') {
  47         try {
  48             process.setgid(kiwi.config.group);
  49         } catch (err) {
  50             console.log('Failed to set gid: ' + err);
  51             process.exit();
  52         }
  53     }
  54
  55     if (typeof kiwi.config.user !== 'undefined' && kiwi.config.user !== '') {
  56         try {
  57             process.setuid(kiwi.config.user);
  58         } catch (e) {
  59             console.log('Failed to set uid: ' + e);
  60             process.exit();
  61         }
  62     }
  63 };
  64
  65
  66
  67
  68
  69
  70
  71
  72
  73 var ircNumerics = {
  74     RPL_WELCOME:            '001',
  75     RPL_MYINFO:             '004',
  76     RPL_ISUPPORT:           '005',
  77     RPL_WHOISUSER:          '311',
  78     RPL_WHOISSERVER:        '312',
  79     RPL_WHOISOPERATOR:      '313',
  80     RPL_WHOISIDLE:          '317',
  81     RPL_ENDOFWHOIS:         '318',
  82     RPL_WHOISCHANNELS:      '319',
  83     RPL_NOTOPIC:            '331',
  84     RPL_TOPIC:              '332',
  85     RPL_NAMEREPLY:          '353',
  86     RPL_ENDOFNAMES:         '366',
  87     RPL_MOTD:               '372',
  88     RPL_WHOISMODES:         '379',
  89     ERR_NOSUCHNICK:         '401',
  90     ERR_CANNOTSENDTOCHAN:   '404',
  91     ERR_TOOMANYCHANNELS:    '405',
  92     ERR_NICKNAMEINUSE:      '433',
  93     ERR_USERNOTINCHANNEL:   '441',
  94     ERR_NOTONCHANNEL:       '442',
  95     ERR_NOTREGISTERED:      '451',
  96     ERR_LINKCHANNEL:        '470',
  97     ERR_CHANNELISFULL:      '471',
  98     ERR_INVITEONLYCHAN:     '473',
  99     ERR_BANNEDFROMCHAN:     '474',
 100     ERR_BADCHANNELKEY:      '475',
 101     ERR_CHANOPRIVSNEEDED:   '482',
 102     RPL_STARTTLS:           '670'
 103 };
 104
 105
 106
 107 this.parseIRCMessage = function (websocket, ircSocket, data) {
 108     /*global ircSocketDataHandler */
 109     var msg, regex, opts, options, opt, i, j, matches, nick, users, chan, channel, params, prefix, prefixes, nicklist, caps, rtn, obj;
 110     //regex = /^(?::(?:([a-z0-9\x5B-\x60\x7B-\x7D\.\-]+)|([a-z0-9\x5B-\x60\x7B-\x7D\.\-]+)!([a-z0-9~\.\-_|]+)@?([a-z0-9\.\-:\/]+)?) )?([a-z0-9]+)(?:(?: ([^:]+))?(?: :(.+))?)$/i;
 111     //regex = /^(?::(\S+) )?(\S+)(?: (?!:)(.+?))?(?: :(.+))?$/i;
 112     regex = /^(?::(?:([a-z0-9\x5B-\x60\x7B-\x7D\.\-]+)|([a-z0-9\x5B-\x60\x7B-\x7D\.\-]+)!([a-z0-9~\.\-_|]+)@?([a-z0-9\.\-:\/]+)?) )?(\S+)(?: (?!:)(.+?))?(?: :(.+))?$/i;
 113
 114     msg = regex.exec(data);
 115     if (msg) {
 116         msg = {
 117             prefix:     msg[1],
 118             nick:       msg[2],
 119             ident:      msg[3],
 120             hostname:   msg[4] || '',
 121             command:    msg[5],
 122             params:     msg[6] || '',
 123             trailing:   (msg[7]) ? msg[7].trim() : ''
 124         };
 125
 126         switch (msg.command.toUpperCase()) {
 127         case 'PING':
 128             websocket.sendServerLine('PONG ' + msg.trailing);
 129             break;
 130         case ircNumerics.RPL_WELCOME:
 131             if (ircSocket.IRC.CAP.negotiating) {
 132                 ircSocket.IRC.CAP.negotiating = false;
 133                 ircSocket.IRC.CAP.enabled = [];
 134                 ircSocket.IRC.CAP.requested = [];
 135                 ircSocket.IRC.registered = true;
 136             }
 137             //regex = /([a-z0-9\x5B-\x60\x7B-\x7D\.\-]+)!([a-z0-9~\.\-_|]+)@?([a-z0-9\.\-:\/]+)/i;
 138             //matches = regex.exec(msg.trailing);
 139             nick =  msg.params.split(' ')[0];
 140             websocket.sendClientEvent('connect', {connected: true, host: null, nick: nick});
 141             break;
 142         case ircNumerics.RPL_ISUPPORT:
 143             opts = msg.params.split(" ");
 144             options = [];
 145             for (i = 0; i < opts.length; i++) {
 146                 opt = opts[i].split("=", 2);
 147                 opt[0] = opt[0].toUpperCase();
 148                 ircSocket.IRC.options[opt[0]] = (typeof opt[1] !== 'undefined') ? opt[1] : true;
 149                 if (_.include(['NETWORK', 'PREFIX', 'CHANTYPES'], opt[0])) {
 150                     if (opt[0] === 'PREFIX') {
 151                         regex = /\(([^)]*)\)(.*)/;
 152                         matches = regex.exec(opt[1]);
 153                         if ((matches) && (matches.length === 3)) {
 154                             ircSocket.IRC.options[opt[0]] = [];
 155                             for (j = 0; j < matches[2].length; j++) {
 156                                 //ircSocket.IRC.options[opt[0]][matches[2].charAt(j)] = matches[1].charAt(j);
 157                                 ircSocket.IRC.options[opt[0]].push({symbol: matches[2].charAt(j), mode: matches[1].charAt(j)});
 158                             }
 159
 160                         }
 161                     }
 162                 }
 163             }
 164
 165             websocket.sendClientEvent('options', {server: '', "options": ircSocket.IRC.options});
 166             break;
 167         case ircNumerics.RPL_WHOISUSER:
 168         case ircNumerics.RPL_WHOISSERVER:
 169         case ircNumerics.RPL_WHOISOPERATOR:
 170         case ircNumerics.RPL_ENDOFWHOIS:
 171         case ircNumerics.RPL_WHOISCHANNELS:
 172         case ircNumerics.RPL_WHOISMODES:
 173             websocket.sendClientEvent('whois', {server: '', nick: msg.params.split(" ", 3)[1], "msg": msg.trailing});
 174             break;
 175         case ircNumerics.RPL_WHOISIDLE:
 176             params = msg.params.split(" ", 4);
 177             rtn = {server: '', nick: params[1], idle: params[2]};
 178             if (params[3]) {
 179                 rtn.logon = params[3];
 180             }
 181             websocket.sendClientEvent('whois', rtn);
 182             break;
 183         case ircNumerics.RPL_MOTD:
 184             websocket.sendClientEvent('motd', {server: '', "msg": msg.trailing});
 185             break;
 186         case ircNumerics.RPL_NAMEREPLY:
 187             params = msg.params.split(" ");
 188             nick = params[0];
 189             chan = params[2];
 190             users = msg.trailing.split(" ");
 191             prefixes = _.values(ircSocket.IRC.options.PREFIX);
 192             nicklist = {};
 193             i = 0;
 194             _.each(users, function (user) {
 195                 if (_.include(prefix, user.charAt(0))) {
 196                     prefix = user.charAt(0);
 197                     user = user.substring(1);
 198                     nicklist[user] = prefix;
 199                 } else {
 200                     nicklist[user] = '';
 201                 }
 202                 if (i++ >= 50) {
 203                     websocket.sendClientEvent('userlist', {server: '', 'users': nicklist, channel: chan});
 204                     nicklist = {};
 205                     i = 0;
 206                 }
 207             });
 208             if (i > 0) {
 209                 websocket.sendClientEvent('userlist', {server: '', "users": nicklist, channel: chan});
 210             } else {
 211                 console.log("oops");
 212             }
 213             break;
 214         case ircNumerics.RPL_ENDOFNAMES:
 215             websocket.sendClientEvent('userlist_end', {server: '', channel: msg.params.split(" ")[1]});
 216             break;
 217         case ircNumerics.ERR_LINKCHANNEL:
 218             params = msg.params.split(" ");
 219             websocket.sendClientEvent('channel_redirect', {from: params[1], to: params[2]});
 220             break;
 221         case ircNumerics.ERR_NOSUCHNICK:
 222             websocket.sendClientEvent('irc_error', {error: 'no_such_nick', nick: msg.params.split(" ")[1], reason: msg.trailing});
 223             break;
 224         case 'JOIN':
 225             // Some BNC's send malformed JOIN causing the channel to be as a
 226             // parameter instead of trailing.
 227             if (typeof msg.trailing === 'string' && msg.trailing !== '') {
 228                 channel = msg.trailing;
 229             } else if (typeof msg.params === 'string' && msg.params !== '') {
 230                 channel = msg.params;
 231             }
 232
 233             websocket.sendClientEvent('join', {nick: msg.nick, ident: msg.ident, hostname: msg.hostname, channel: channel});
 234             if (msg.nick === ircSocket.IRC.nick) {
 235                 websocket.sendServerLine('NAMES ' + msg.trailing);
 236             }
 237             break;
 238         case 'PART':
 239             websocket.sendClientEvent('part', {nick: msg.nick, ident: msg.ident, hostname: msg.hostname, channel: msg.params.trim(), message: msg.trailing});
 240             break;
 241         case 'KICK':
 242             params = msg.params.split(" ");
 243             websocket.sendClientEvent('kick', {kicked: params[1], nick: msg.nick, ident: msg.ident, hostname: msg.hostname, channel: params[0].trim(), message: msg.trailing});
 244             break;
 245         case 'QUIT':
 246             websocket.sendClientEvent('quit', {nick: msg.nick, ident: msg.ident, hostname: msg.hostname, message: msg.trailing});
 247             break;
 248         case 'NOTICE':
 249             if ((msg.trailing.charAt(0) === String.fromCharCode(1)) && (msg.trailing.charAt(msg.trailing.length - 1) === String.fromCharCode(1))) {
 250                 // It's a CTCP response
 251                 websocket.sendClientEvent('ctcp_response', {nick: msg.nick, ident: msg.ident, hostname: msg.hostname, channel: msg.params.trim(), msg: msg.trailing.substr(1, msg.trailing.length - 2)});
 252             } else {
 253                 websocket.sendClientEvent('notice', {nick: msg.nick, ident: msg.ident, hostname: msg.hostname, target: msg.params.trim(), msg: msg.trailing});
 254             }
 255             break;
 256         case 'NICK':
 257             websocket.sendClientEvent('nick', {nick: msg.nick, ident: msg.ident, hostname: msg.hostname, newnick: msg.trailing});
 258             break;
 259         case 'TOPIC':
 260             obj = {nick: msg.nick, channel: msg.params, topic: msg.trailing};
 261             websocket.sendClientEvent('topic', obj);
 262             break;
 263         case ircNumerics.RPL_TOPIC:
 264             obj = {nick: '', channel: msg.params.split(" ")[1], topic: msg.trailing};
 265             websocket.sendClientEvent('topic', obj);
 266             break;
 267         case ircNumerics.RPL_NOTOPIC:
 268             obj = {nick: '', channel: msg.params.split(" ")[1], topic: ''};
 269             websocket.sendClientEvent('topic', obj);
 270             break;
 271         case 'MODE':
 272             opts = msg.params.split(" ");
 273             params = {nick: msg.nick};
 274             switch (opts.length) {
 275             case 1:
 276                 params.effected_nick = opts[0];
 277                 params.mode = msg.trailing;
 278                 break;
 279             case 2:
 280                 params.channel = opts[0];
 281                 params.mode = opts[1];
 282                 break;
 283             default:
 284                 params.channel = opts[0];
 285                 params.mode = opts[1];
 286                 params.effected_nick = opts[2];
 287                 break;
 288             }
 289             websocket.sendClientEvent('mode', params);
 290             break;
 291         case 'PRIVMSG':
 292             if ((msg.trailing.charAt(0) === String.fromCharCode(1)) && (msg.trailing.charAt(msg.trailing.length - 1) === String.fromCharCode(1))) {
 293                 // It's a CTCP request
 294                 if (msg.trailing.substr(1, 6) === 'ACTION') {
 295                     websocket.sendClientEvent('action', {nick: msg.nick, ident: msg.ident, hostname: msg.hostname, channel: msg.params.trim(), msg: msg.trailing.substr(7, msg.trailing.length - 2)});
 296                 } else if (msg.trailing.substr(1, 7) === 'VERSION') {
 297                     ircSocket.write('NOTICE ' + msg.nick + ' :' + String.fromCharCode(1) + 'VERSION KiwiIRC' + String.fromCharCode(1) + '\r\n');
 298                 } else {
 299                     websocket.sendClientEvent('ctcp_request', {nick: msg.nick, ident: msg.ident, hostname: msg.hostname, channel: msg.params.trim(), msg: msg.trailing.substr(1, msg.trailing.length - 2)});
 300                 }
 301             } else {
 302                 obj = {nick: msg.nick, ident: msg.ident, hostname: msg.hostname, channel: msg.params.trim(), msg: msg.trailing};
 303                 websocket.sendClientEvent('msg', obj);
 304             }
 305             break;
 306         case 'CAP':
 307             caps = kiwi.config.cap_options;
 308             options = msg.trailing.split(" ");
 309             switch (_.last(msg.params.split(" "))) {
 310             case 'LS':
 311                 opts = '';
 312                 _.each(_.intersect(caps, options), function (cap) {
 313                     if (opts !== '') {
 314                         opts += " ";
 315                     }
 316                     opts += cap;
 317                     ircSocket.IRC.CAP.requested.push(cap);
 318                 });
 319                 if (opts.length > 0) {
 320                     websocket.sendServerLine('CAP REQ :' + opts);
 321                 } else {
 322                     websocket.sendServerLine('CAP END');
 323                 }
 324                 // TLS is special
 325                 /*if (_.include(options, 'tls')) {
 326                     websocket.sendServerLine('STARTTLS');
 327                     ircSocket.IRC.CAP.requested.push('tls');
 328                 }*/
 329                 break;
 330             case 'ACK':
 331                 _.each(options, function (cap) {
 332                     ircSocket.IRC.CAP.enabled.push(cap);
 333                 });
 334                 if (_.last(msg.params.split(" ")) !== '*') {
 335                     ircSocket.IRC.CAP.requested = [];
 336                     ircSocket.IRC.CAP.negotiating = false;
 337                     websocket.sendServerLine('CAP END');
 338                 }
 339                 break;
 340             case 'NAK':
 341                 ircSocket.IRC.CAP.requested = [];
 342                 ircSocket.IRC.CAP.negotiating = false;
 343                 websocket.sendServerLine('CAP END');
 344                 break;
 345             }
 346             break;
 347         /*case ircNumerics.RPL_STARTTLS:
 348             try {
 349                 IRC = ircSocket.IRC;
 350                 listeners = ircSocket.listeners('data');
 351                 ircSocket.removeAllListeners('data');
 352                 ssl_socket = starttls(ircSocket, {}, function () {
 353                     ssl_socket.on("data", function (data) {
 354                         ircSocketDataHandler(data, websocket, ssl_socket);
 355                     });
 356                     ircSocket = ssl_socket;
 357                     ircSocket.IRC = IRC;
 358                     _.each(listeners, function (listener) {
 359                         ircSocket.addListener('data', listener);
 360                     });
 361                 });
 362                 //console.log(ircSocket);
 363             } catch (e) {
 364                 console.log(e);
 365             }
 366             break;*/
 367         case ircNumerics.ERR_CANNOTSENDTOCHAN:
 368             websocket.sendClientEvent('irc_error', {error: 'cannot_send_to_chan', channel: msg.params.split(" ")[1], reason: msg.trailing});
 369             break;
 370         case ircNumerics.ERR_TOOMANYCHANNELS:
 371             websocket.sendClientEvent('irc_error', {error: 'too_many_channels', channel: msg.params.split(" ")[1], reason: msg.trailing});
 372             break;
 373         case ircNumerics.ERR_USERNOTINCHANNEL:
 374             params = msg.params.split(" ");
 375             websocket.sendClientEvent('irc_error', {error: 'user_not_in_channel', nick: params[0], channel: params[1], reason: msg.trainling});
 376             break;
 377         case ircNumerics.ERR_NOTONCHANNEL:
 378             websocket.sendClientEvent('irc_error', {error: 'not_on_channel', channel: msg.params.split(" ")[1], reason: msg.trailing});
 379             break;
 380         case ircNumerics.ERR_CHANNELISFULL:
 381             websocket.sendClientEvent('irc_error', {error: 'channel_is_full', channel: msg.params.split(" ")[1], reason: msg.trailing});
 382             break;
 383         case ircNumerics.ERR_INVITEONLYCHAN:
 384             websocket.sendClientEvent('irc_error', {error: 'invite_only_channel', channel: msg.params.split(" ")[1], reason: msg.trailing});
 385             break;
 386         case ircNumerics.ERR_BANNEDFROMCHAN:
 387             websocket.sendClientEvent('irc_error', {error: 'banned_from_channel', channel: msg.params.split(" ")[1], reason: msg.trailing});
 388             break;
 389         case ircNumerics.ERR_BADCHANNELKEY:
 390             websocket.sendClientEvent('irc_error', {error: 'bad_channel_key', channel: msg.params.split(" ")[1], reason: msg.trailing});
 391             break;
 392         case ircNumerics.ERR_CHANOPRIVSNEEDED:
 393             websocket.sendClientEvent('irc_error', {error: 'chanop_privs_needed', channel: msg.params.split(" ")[1], reason: msg.trailing});
 394             break;
 395         case ircNumerics.ERR_NICKNAMEINUSE:
 396             websocket.sendClientEvent('irc_error', {error: 'nickname_in_use', nick: _.last(msg.params.split(" ")), reason: msg.trailing});
 397             break;
 398         case 'ERROR':
 399             ircSocket.end();
 400             websocket.sendClientEvent('irc_error', {error: 'error', reason: msg.trailing});
 401             websocket.disconnect();
 402             break;
 403         case ircNumerics.ERR_NOTREGISTERED:
 404             if (ircSocket.IRC.registered) {
 405                 console.log('Kiwi thinks user is registered, but the IRC server thinks differently');
 406             }
 407             break;
 408         default:
 409             console.log("Unknown command (" + String(msg.command).toUpperCase() + ")");
 410         }
 411     } else {
 412         console.log("Malformed IRC line: " + data);
 413     }
 414 };
 415
 416
 417
 418
 419
 420
 421 /*
 422  * NOTE: Some IRC servers or BNC's out there incorrectly use
 423  * only \n as a line splitter.
 424  */
 425 this.ircSocketDataHandler = function (data, websocket, ircSocket) {
 426     var i;
 427     if ((ircSocket.holdLast) && (ircSocket.held !== '')) {
 428         data = ircSocket.held + data;
 429         ircSocket.holdLast = false;
 430         ircSocket.held = '';
 431     }
 432     if (data.substr(-1) !== '\n') {
 433         ircSocket.holdLast = true;
 434     }
 435     data = data.split("\n");
 436     for (i = 0; i < data.length; i++) {
 437         if (data[i]) {
 438             if ((ircSocket.holdLast) && (i === data.length - 1)) {
 439                 ircSocket.held = data[i];
 440                 break;
 441             }
 442
 443             // We have a complete line of data, parse it!
 444             kiwi.parseIRCMessage(websocket, ircSocket, data[i].replace(/^\r+|\r+$/, ''));
 445         }
 446     }
 447 };
 448
 449
 450
 451
 452
 453 this.httpHandler = function (request, response) {
 454     var uri, subs, useragent, agent, server_set, server, nick, debug, touchscreen, hash,
 455         min = {}, public_http_path;
 456     if (kiwi.config.handle_http) {
 457         uri = url.parse(request.url, true);
 458         subs = uri.pathname.substr(0, 4);
 459         if (uri.pathname === '/js/all.js') {
 460             if (kiwi.cache.alljs === '') {
 461                 public_http_path = kiwi.kiwi_root + '/' + kiwi.config.public_http;
 462
 463                 min.util = fs.readFileSync(public_http_path + 'js/util.js');
 464                 min.gateway = fs.readFileSync(public_http_path + 'js/gateway.js');
 465                 min.front = fs.readFileSync(public_http_path + 'js/front.js');
 466                 min.iscroll = fs.readFileSync(public_http_path + 'js/iscroll.js');
 467                 min.ast = jsp.parse(min.util + min.gateway + min.front + min.iscroll);
 468                 min.ast = pro.ast_mangle(min.ast);
 469                 min.ast = pro.ast_squeeze(min.ast);
 470                 min.final_code = pro.gen_code(min.ast);
 471                 kiwi.cache.alljs = min.final_code;
 472                 hash = crypto.createHash('md5').update(kiwi.cache.alljs);
 473                 kiwi.cache.alljs_hash = hash.digest('base64');
 474             }
 475             if (request.headers['if-none-match'] === kiwi.cache.alljs_hash) {
 476                 response.statusCode = 304;
 477             } else {
 478                 response.setHeader('ETag', kiwi.cache.alljs_hash);
 479                 response.write(kiwi.cache.alljs);
 480             }
 481             response.end();
 482         } else if ((subs === '/js/') || (subs === '/css') || (subs === '/img')) {
 483             request.addListener('end', function () {
 484                 kiwi.fileServer.serve(request, response);
 485             });
 486         } else if (uri.pathname === '/') {
 487             useragent = (response.headers) ? response.headers['user-agent'] : '';
 488             if (useragent.indexOf('android') !== -1) {
 489                 agent = 'android';
 490                 touchscreen = true;
 491             } else if (useragent.indexOf('iphone') !== -1) {
 492                 agent = 'iphone';
 493                 touchscreen = true;
 494             } else if (useragent.indexOf('ipad') !== -1) {
 495                 agent = 'ipad';
 496                 touchscreen = true;
 497             } else if (useragent.indexOf('ipod') !== -1) {
 498                 agent = 'ipod';
 499                 touchscreen = true;
 500             } else {
 501                 agent = 'normal';
 502                 touchscreen = false;
 503             }
 504
 505             if (uri.query) {
 506                 server_set = ((typeof uri.query.server !== 'undefined') && (uri.query.server !== ''));
 507                 server = uri.query.server || 'irc.anonnet.org';
 508                 nick = uri.query.nick || '';
 509                 debug = (uri.query.debug !== '');
 510             } else {
 511                 server_set = false;
 512                 server = 'irc.anonnet.org';
 513                 nick = '';
 514             }
 515             response.setHeader('X-Generated-By', 'KiwiIRC');
 516             hash = crypto.createHash('md5').update(touchscreen ? 't' : 'f').update(debug ? 't' : 'f').update(server_set ? 't' : 'f').update(server).update(nick).update(agent).update(JSON.stringify(kiwi.config)).digest('base64');
 517             if (kiwi.cache.html[hash]) {
 518                 if (request.headers['if-none-match'] === kiwi.cache.html[hash].hash) {
 519                     response.statusCode = 304;
 520                 } else {
 521                     response.setHeader('Etag', kiwi.cache.html[hash].hash);
 522                     response.write(kiwi.cache.html[hash].html);
 523                 }
 524                 response.end();
 525             } else {
 526                 kiwi.jade.renderFile(__dirname + '/client/index.html.jade', { locals: { "touchscreen": touchscreen, "debug": debug, "server_set": server_set, "server": server, "nick": nick, "agent": agent, "config": kiwi.config }}, function (err, html) {
 527                     if (!err) {
 528                         var hash2 = crypto.createHash('md5').update(html).digest('base64');
 529                         kiwi.cache.html[hash] = {"html": html, "hash": hash2};
 530                         if (request.headers['if-none-match'] === hash2) {
 531                             response.statusCode = 304;
 532                         } else {
 533                             response.setHeader('Etag', hash2);
 534                             response.write(html);
 535                         }
 536                     } else {
 537                         response.statusCode = 500;
 538                     }
 539                     response.end();
 540                 });
 541             }
 542         } else if (uri.pathname.substr(0, 10) === '/socket.io') {
 543             return;
 544         } else {
 545             response.statusCode = 404;
 546             response.end();
 547         }
 548     }
 549 };
 550
 551
 552
 553
 554 this.websocketListen = function (port, host, handler, secure, key, cert) {
 555     if (kiwi.httpServer) {
 556         kiwi.httpServer.close();
 557     }
 558     if (secure) {
 559         kiwi.httpServer = https.createServer({key: fs.readFileSync(__dirname + '/' + key), cert: fs.readFileSync(__dirname + '/' + cert)}, handler);
 560         kiwi.io = ws.listen(kiwi.httpServer, {secure: true});
 561         kiwi.httpServer.listen(port, host);
 562     } else {
 563         kiwi.httpServer = http.createServer(handler);
 564         kiwi.io = ws.listen(kiwi.httpServer, {secure: false});
 565         kiwi.httpServer.listen(port, host);
 566     }
 567
 568     kiwi.io.set('log level', 1);
 569     kiwi.io.enable('browser client minification');
 570     kiwi.io.enable('browser client etag');
 571     kiwi.io.set('transports', kiwi.config.transports);
 572
 573     kiwi.io.of('/kiwi').authorization(function (handshakeData, callback) {
 574         var address = handshakeData.address.address;
 575
 576         if (typeof kiwi.connections[address] === 'undefined') {
 577             kiwi.connections[address] = {count: 0, sockets: []};
 578         }
 579         callback(null, true);
 580     }).on('connection', kiwi.websocketConnection);
 581 };
 582
 583
 584
 585
 586
 587
 588 this.websocketConnection = function (websocket) {
 589     var con;
 590     websocket.kiwi = {address: websocket.handshake.address.address};
 591     con = kiwi.connections[websocket.kiwi.address];
 592
 593     if (con.count >= kiwi.config.max_client_conns) {
 594         websocket.emit('too_many_connections');
 595         websocket.disconnect();
 596     } else {
 597         con.count += 1;
 598         con.sockets.push(websocket);
 599
 600         websocket.sendClientEvent = function (event_name, data) {
 601             var ev = kiwi.kiwi_mod.run(event_name, data, {websocket: this});
 602             if(ev === null) return;
 603
 604             data.event = event_name;
 605             websocket.emit('message', data);
 606         };
 607
 608         websocket.sendServerLine = function (data, eol) {
 609             eol = (typeof eol === 'undefined') ? '\r\n' : eol;
 610             websocket.ircSocket.write(data + eol);
 611         };
 612
 613         websocket.on('irc connect', kiwi.websocketIRCConnect);
 614         websocket.on('message', kiwi.websocketMessage);
 615         websocket.on('disconnect', kiwi.websocketDisconnect);
 616     }
 617 };
 618
 619
 620
 621
 622
 623 this.websocketIRCConnect = function (websocket, nick, host, port, ssl, callback) {
 624     var ircSocket;
 625     //setup IRC connection
 626     if (!ssl) {
 627         ircSocket = net.createConnection(port, host);
 628     } else {
 629         ircSocket = tls.connect(port, host);
 630     }
 631     ircSocket.setEncoding('ascii');
 632     ircSocket.IRC = {options: {}, CAP: {negotiating: true, requested: [], enabled: []}, registered: false};
 633     ircSocket.on('error', function (e) {
 634         if (ircSocket.IRC.registered) {
 635             websocket.emit('disconnect');
 636         } else {
 637             websocket.emit('error', e.message);
 638         }
 639     });
 640     websocket.ircSocket = ircSocket;
 641     ircSocket.holdLast = false;
 642     ircSocket.held = '';
 643
 644     ircSocket.on('data', function (data) {
 645         kiwi.ircSocketDataHandler(data, websocket, ircSocket);
 646     });
 647
 648     ircSocket.IRC.nick = nick;
 649     // Send the login data
 650     dns.reverse(websocket.kiwi.address, function (err, domains) {
 651         //console.log(domains);
 652         websocket.kiwi.hostname = (err) ? websocket.kiwi.address : _.first(domains);
 653         if ((kiwi.config.webirc) && (kiwi.config.webirc_pass[host])) {
 654             websocket.sendServerLine('WEBIRC ' + kiwi.config.webirc_pass[host] + ' KiwiIRC ' + websocket.kiwi.hostname + ' ' + websocket.kiwi.address);
 655         }
 656         websocket.sendServerLine('CAP LS');
 657         websocket.sendServerLine('NICK ' + nick);
 658         websocket.sendServerLine('USER ' + nick.replace(/[^0-9a-zA-Z\-_.]/, '') + '_kiwi 0 0 :' + nick);
 659
 660         if ((callback) && (typeof (callback) === 'function')) {
 661             callback();
 662         }
 663     });
 664 };
 665
 666
 667
 668 this.websocketMessage = function (websocket, msg, callback) {
 669     var args, obj;
 670     try {
 671         msg.data = JSON.parse(msg.data);
 672         args = msg.data.args;
 673         switch (msg.data.method) {
 674         case 'msg':
 675             if ((args.target) && (args.msg)) {
 676                 obj = kiwi.kiwi_mod.run('msgsend', args, {websocket: websocket});
 677                 if (obj !== null) {
 678                     websocket.sendServerLine('PRIVMSG ' + args.target + ' :' + args.msg);
 679                 }
 680             }
 681             break;
 682         case 'action':
 683             if ((args.target) && (args.msg)) {
 684                 websocket.sendServerLine('PRIVMSG ' + args.target + ' :\ 1' + String.fromCharCode(1) + 'ACTION ' + args.msg + String.fromCharCode(1));
 685             }
 686             break;
 687         case 'raw':
 688             websocket.sendServerLine(args.data);
 689             break;
 690         case 'join':
 691             if (args.channel) {
 692                 _.each(args.channel.split(","), function (chan) {
 693                     websocket.sendServerLine('JOIN ' + chan);
 694                 });
 695             }
 696             break;
 697         case 'topic':
 698             if (args.channel) {
 699                 websocket.sendServerLine('TOPIC ' + args.channel + ' :' + args.topic);
 700             }
 701             break;
 702         case 'quit':
 703             websocket.ircSocket.end('QUIT :' + args.message + '\r\n');
 704             websocket.sentQUIT = true;
 705             websocket.ircSocket.destroySoon();
 706             websocket.disconnect();
 707             break;
 708         case 'notice':
 709             if ((args.target) && (args.msg)) {
 710                 websocket.sendServerLine('NOTICE ' + args.target + ' :' + args.msg);
 711             }
 712             break;
 713         default:
 714         }
 715         if ((callback) && (typeof (callback) === 'function')) {
 716             callback();
 717         }
 718     } catch (e) {
 719         console.log("Caught error: " + e);
 720     }
 721 };
 722
 723
 724
 725 this.websocketDisconnect = function (websocket) {
 726         var con;
 727
 728     if ((!websocket.sentQUIT) && (websocket.ircSocket)) {
 729         try {
 730             websocket.ircSocket.end('QUIT :' + kiwi.config.quit_message + '\r\n');
 731             websocket.sentQUIT = true;
 732             websocket.ircSocket.destroySoon();
 733         } catch (e) {
 734         }
 735     }
 736     con = kiwi.connections[websocket.kiwi.address];
 737     con.count -= 1;
 738     con.sockets = _.reject(con.sockets, function (sock) {
 739         return sock === websocket;
 740     });
 741 };
 742
 743
 744
 745
 746
 747
 748 this.rehash = function () {
 749     var changes, i,
 750         reload_config = kiwi.loadConfig();
 751
 752     // If loading the new config errored out, dont attempt any changes
 753     if (reload_config === false) {
 754         return false;
 755     }
 756
 757     // We just want the settings that have been changed
 758     changes = reload_config[1];
 759
 760     if (Object.keys(changes).length !== 0) {
 761         console.log('%s config changes: \n', Object.keys(changes).length, changes);
 762         for (i in changes) {
 763             switch (i) {
 764             case 'port':
 765             case 'bind_address':
 766             case 'listen_ssl':
 767             case 'ssl_key':
 768             case 'ssl_cert':
 769                 kiwi.websocketListen(kiwi.config.port, kiwi.config.bind_address, kiwi.httpHandler, kiwi.config.listen_ssl, kiwi.config.ssl_key, kiwi.config.ssl_cert);
 770                 delete changes.port;
 771                 delete changes.bind_address;
 772                 delete changes.listen_ssl;
 773                 delete changes.ssl_key;
 774                 delete changes.ssl_cert;
 775                 break;
 776             case 'user':
 777             case 'group':
 778                 kiwi.changeUser();
 779                 delete changes.user;
 780                 delete changes.group;
 781                 break;
 782             case 'module_dir':
 783             case 'modules':
 784                 kiwi.kiwi_mod.loadModules(kiwi_root, kiwi.config);
 785                 kiwi.kiwi_mod.printMods();
 786                 delete changes.module_dir;
 787                 delete changes.modules;
 788                 break;
 789             }
 790         }
 791     }
 792
 793     // Also clear the kiwi.cached javascript and HTML
 794     if (kiwi.config.handle_http) {
 795         kiwi.cache = {alljs: '', html: []};
 796     }
 797
 798     return true;
 799 };
 800
 801
 802
 803
 804
 805 /*
 806  * KiwiIRC controlling via STDIN
 807  */
 808 this.manageControll = function (data) {
 809     var parts = data.toString().trim().split(' ');
 810     switch (parts[0]) {
 811     case 'rehash':
 812         console.log('Rehashing...');
 813         console.log(kiwi.rehash() ? 'Rehash complete' : 'Rehash failed');
 814         break;
 815
 816         case 'recode':
 817         console.log('Recoding...');
 818         console.log(kiwi.recode() ? 'Recode complete' : 'Recode failed');
 819         break;
 820
 821     case 'mod':
 822         if (parts[1] === 'reload') {
 823             console.log('Reloading module (' + parts[2] + ')..');
 824             kiwi.kiwi_mod.reloadModule(parts[2]);
 825         }
 826         break;
 827
 828     case 'cache':
 829         if (parts[1] === 'clear') {
 830             kiwi.cache.html = {};
 831             console.log('HTML cache cleared');
 832         }
 833         break;
 834
 835     case 'status':
 836         var connections_cnt = 0;
 837         for (var i in kiwi.connections) {
 838             connections_cnt = connections_cnt + parseInt(kiwi.connections[i].count, 10);
 839         }
 840         console.log(connections_cnt.toString() + ' connected clients');
 841         break;
 842
 843     default:
 844         console.log('Unknown command \'' + parts[0] + '\'');
 845     }
 846 };