chatServer.js

   1 /*\r
   2  * 設定\r
   3  */\r
   4 $max_room_number = 3;   //最大ルーム数\r
   5 $spilt_size = 1024 * 512;       //分割するサイズ\r
   6 $reset_password_diff = 1000 * 60 * 60;\r
   7 $block_message = "メッセージの送信に失敗しました";       //ブロック時のメッセージ\r
   8 $not_match_password = "パスワードが一致しませんでした";  //パスワードが一致しない場合に表示されるメッセージ\r
   9 $password_setted_message = "パスワードを設定しました";      //パスワードが設定されたときに表示されるメッセージ\r
  10 $password_resetted_message = "パスワードをリセットしました";      //パスワードが再設定されたときに表示されるメッセージ\r
  11 $failed_set_password_message = "パスワードの設定に失敗しました"; //パスワードが再設定されたときに表示されるメッセージ\r
  12 $ip_ban_list_file_name = "ipbanlist.txt";       //アクセスを禁止するIPが記録されているファイル\r
  13 $room_configure_file_name = "roomlist.txt";     //ルームの設定が記録されているファイル\r
  14 $port = process.env.port || 3000;       //ポート\r
  15 $username = "admin";    //管理者用のページにアクセスできるユーザ名\r
  16 $password = "admin";    //管理者用のページにアクセスするのに必要なパスワード\r
  17 $token_length = 32;     //トークンの長さ\r
  18 $redisHost = "localhost";       //redisサーバのアドレス\r
  19 $redisPort = 6379;      //redisサーバのポート\r
  20 $redisPassword = "";    //redisサーバのパスワード\r
  21 $system_name = "system";        //システム発言を表す名前\r
  22 $log_directory = "log"; //ログファイルを置くフォルダー\r
  23 $log_file_name = "logfile%d.txt";       //ログファイル名(%dはそのままにしておくこと)\r
  24 $splited_log_file_name = "logfile%d_%s.txt"     //分割後のファイル名(%dと%sはそのままにしておくこと)\r
  25 $pastlogfile_pattern = "logfile%d(_+.*)?\.txt"; //過去ログと判定する正規表現\r
  26 $logfile_pattern = "logfile[0-9]+(_*.*)?\.txt"  //過去ログと判定する正規表現\r
  27 \r
  28 /**\r
  29  * Module dependencies.\r
  30  */\r
  31 \r
  32 // Server\r
  33 var express = require('express');\r
  34 \r
  35 var app = module.exports = express.createServer();\r
  36 \r
  37 var util = require("util");\r
  38 \r
  39 var lazy = require("lazy");\r
  40 \r
  41 var fs = require("fs");\r
  42 \r
  43 var parseCookie = require("connect").utils.parseCookie;\r
  44 \r
  45 var RedisStore = require("connect-redis")(express);\r
  46 var sessionStore = new RedisStore({host:$redisHost,port:$redisPort,pass:$redisPassword});\r
  47 \r
  48 var async = require("async");\r
  49 \r
  50 var path = require("path");\r
  51 \r
  52 // Configuration\r
  53 \r
  54 app.configure(function(){\r
  55         app.disabled("view cache");\r
  56         app.set("view options", { layout: false })\r
  57         app.set("views", __dirname + "/public");\r
  58         app.set("view engine", "ejs");\r
  59         app.use(express.bodyParser());\r
  60         app.use(express.methodOverride());\r
  61         app.use(express.cookieParser());\r
  62         app.use(express.session({\r
  63                 store:sessionStore,\r
  64                 secret: "5514EA2B-C9B2-4D65-8D81-1F33A180A0C2",\r
  65                 cookie: { httpOnly: false }\r
  66         }));\r
  67         app.use(app.router);\r
  68         app.use(express.static(__dirname + "/public"));\r
  69 });\r
  70 \r
  71 app.configure('development', function(){\r
  72   app.use(express.errorHandler({ dumpExceptions: true, showStack: true })); \r
  73 });\r
  74 \r
  75 app.configure('production', function(){\r
  76   app.use(express.errorHandler()); \r
  77 });\r
  78 \r
  79 // Routes\r
  80 app.get("/chat", function(req, res){\r
  81         var auth_string = getRandomString($token_length);\r
  82         req.session.items = {token:auth_string};\r
  83 \r
  84         var room_number = 0;\r
  85         if(typeof(req.query.rno) != "undefined")\r
  86                 room_number = req.query.rno;\r
  87         res.render("chat",{rno:room_number,token:auth_string});\r
  88 });\r
  89 \r
  90 app.all("/log/" + $logfile_pattern,express.basicAuth(function (user, pass) {\r
  91         return user === $username && pass === $password;\r
  92 }));\r
  93 \r
  94 app.get("/log/" + $logfile_pattern, function(req, res){\r
  95         res.sendfile(__dirname + req.url);\r
  96 });\r
  97 \r
  98 app.all("/admin",express.basicAuth(function (user, pass) {\r
  99         return user === $username && pass === $password;\r
 100 }));\r
 101 \r
 102 app.get("/admin", function(req, res){\r
 103         renderAdmin(req,res);\r
 104 });\r
 105 \r
 106 app.post("/admin",function(req,res){\r
 107         if(req.session.items.token != req.body.token)\r
 108         {\r
 109                 res.send($invaild_token_message);\r
 110                 return;\r
 111         }\r
 112         if(typeof(req.body.erase) != "undefined")\r
 113         {\r
 114                 removeLog(req.body.file,function(){\r
 115                         renderAdmin(req,res);\r
 116                 });\r
 117         }\r
 118         if(typeof(req.body.registor) != "undefined")\r
 119         {\r
 120                 ipbanlist.Update(req.body.newbanlist,function(){\r
 121                         renderAdmin(req,res);\r
 122                 });\r
 123         }\r
 124         if(typeof(req.body.updateroom) != "undefined")\r
 125         {\r
 126                 $rooms.Update(req.body.newroomlist,function(){\r
 127                         renderAdmin(req,res);\r
 128                 });\r
 129         }\r
 130 });\r
 131 \r
 132 function renderAdmin(req,res)\r
 133 {\r
 134         var auth_string = getRandomString($token_length);\r
 135         req.session.items = {token:auth_string};\r
 136         var iplist = ipbanlist.GetText();\r
 137 \r
 138         fs.readdir($log_directory,function(err,list){\r
 139                 res.render("admin", {\r
 140                         files: list,\r
 141                         log_directory:$log_directory,\r
 142                         ipbanlist:iplist,\r
 143                         token:auth_string,\r
 144                         roomlist:$rooms.GetString()\r
 145                 });\r
 146         });\r
 147 }\r
 148 \r
 149 function getRandomString(length)\r
 150 {\r
 151         var RandomString = "";\r
 152         var BaseString ="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!#$%&'()=~|-^\@[;:],./\`{+*}<>?_";\r
 153         for(var i=0; i<length; i++) {\r
 154                 RandomString += BaseString.charAt( Math.floor( Math.random() * BaseString.length));\r
 155         }\r
 156         return RandomString\r
 157 }\r
 158 \r
 159 function removeLog(files,callback)\r
 160 {\r
 161         async.map(files,\r
 162         function(item,callback){\r
 163                 fs.unlink($log_directory + "/" + item,callback);\r
 164         },\r
 165         function(err,results){\r
 166                 if(typeof(callback) == "function")\r
 167                         callback();\r
 168         });\r
 169 }\r
 170 \r
 171 app.listen($port);\r
 172 console.log("Express server listening on port %d in %s mode", app.address().port, app.settings.env);\r
 173 \r
 174 /*\r
 175  * サーバー部分\r
 176  */\r
 177 \r
 178 var io = require("socket.io").listen(app);\r
 179 io.configure('production', function(){\r
 180   io.enable('browser client minification');  // minified されたクライアントファイルを送信する\r
 181   io.enable('browser client etag');          // バージョンによって etag によるキャッシングを有効にする\r
 182   io.set('log level', 1);                    // ログレベルを設定(デフォルトより下げている)\r
 183 });\r
 184 var clients = new Array();\r
 185 \r
 186 var ipbanlist = new IpBanCollecion();\r
 187 var $rooms = new RoomInfomationCollection();\r
 188 \r
 189 createLogDirectory();\r
 190 \r
 191 for(var i = 0; i < $max_room_number; i++)\r
 192 {\r
 193         clients[i] =io\r
 194         .of(GetNameFromRoomNumber(i))\r
 195         .authorization(ParseAuthorization)\r
 196         .on("connection", function (socket) {\r
 197                 console.log("connected from %s",GetClientIPAdress(socket));\r
 198 \r
 199                 var rno = GetRoomNumberFromName(socket.namespace.name);\r
 200                 var roomconfig = {};\r
 201                 if($rooms.IsFixedPassword(rno))\r
 202                         roomconfig.type = 2;\r
 203                 else if($rooms.IsContains(rno))\r
 204                         roomconfig.type = 1;\r
 205                 else\r
 206                         roomconfig.type = 0;\r
 207                 roomconfig.IsOwned = !$rooms.IsFirstAuth(rno);\r
 208                 socket.json.emit("send roominfo",roomconfig);\r
 209 \r
 210                 socket.on("get pastLogList", function (msg) {\r
 211                         ParseGetPastLogList(socket,msg);\r
 212                 });\r
 213                 socket.on("get pastLog", function (msg) {\r
 214                         ParseGetPastLog(socket,msg);\r
 215                 });\r
 216                 socket.on("join",function(msg){\r
 217                         ParseJoin(socket,msg);\r
 218                 });\r
 219                 socket.on("quit",function(msg){\r
 220                         ParseQuit(socket,msg);\r
 221                 });\r
 222                 socket.on("set password",function(msg){\r
 223                         ParseSetPassword(socket,msg);\r
 224                 });\r
 225                 socket.on("send msg", function (msg) {\r
 226                         ParseSendMsg(socket,msg);\r
 227                 });\r
 228                 socket.on("disconnect", function (msg) {\r
 229                         ParseDisconnect(socket,msg);\r
 230                 });\r
 231         });\r
 232 }\r
 233 \r
 234 function createLogDirectory()\r
 235 {\r
 236         path.exists($log_directory,function(exists){\r
 237                 if(exists == false)\r
 238                         fs.mkdirSync($log_directory);\r
 239         });\r
 240 }\r
 241 \r
 242 function ParseAuthorization(handshakeData, callback)\r
 243 {\r
 244         if(handshakeData.headers.cookie) {\r
 245                 var cookie = handshakeData.headers.cookie;\r
 246                 var sessionID = parseCookie(cookie)["connect.sid"];\r
 247                 sessionStore.get(sessionID, function (err, session) {\r
 248                         var result = null;\r
 249                         if (err || ipbanlist.IsBaned(handshakeData.address.address))\r
 250                                 result = "failed get from session store";\r
 251                         else if(handshakeData.query.token != session.items.token)\r
 252                                 result = "invaild token";\r
 253                         sessionStore.destroy(sessionID);\r
 254                         callback(result,result == null && !err);\r
 255                 });\r
 256         } else {\r
 257                 return callback("failed get cookie", false);\r
 258         }\r
 259 }\r
 260 \r
 261 function ParseDisconnect(socket,msg)\r
 262 {\r
 263         console.log("disconnected");\r
 264 }\r
 265 \r
 266 function ParseSetPassword(socket,msg)\r
 267 {\r
 268         var rno = GetRoomNumberFromName(socket.namespace.name);\r
 269         var newMeg = {\r
 270                 name:$system_name,\r
 271                 message:null,\r
 272         };\r
 273         if($rooms.SetPassword(rno,msg.owner,msg.password))\r
 274                 newMeg.message = $password_setted_message;\r
 275         else\r
 276                 newMeg.message = $failed_set_password_message;\r
 277         ParseSendMsg(socket,newMeg);\r
 278 }\r
 279 \r
 280 function ParseJoin(socket,msg)\r
 281 {\r
 282         var ip = GetClientIPAdress(socket);\r
 283 \r
 284         if(ipbanlist.IsBlockedToWrite(ip))\r
 285         {\r
 286                 socket.emit("error",$block_message);\r
 287                 return;\r
 288         }\r
 289 \r
 290         var rno = GetRoomNumberFromName(socket.namespace.name);\r
 291         if($rooms.IsContains(rno))\r
 292         {\r
 293                 if($rooms.IsTimeout(rno) ||\r
 294                         $rooms.IsFirstAuth(rno))\r
 295                 {\r
 296                         $rooms.Reset(rno,msg.name);\r
 297                         ParseGetPastLog(socket,util.format($log_file_name,rno));\r
 298                 }\r
 299                 else if($rooms.Auth(rno,msg.name,msg.password))\r
 300                 {\r
 301                         ParseGetPastLog(socket,util.format($log_file_name,rno));\r
 302                 }\r
 303                 else\r
 304                 {\r
 305                         socket.emit("error",$not_match_password);\r
 306                         return;\r
 307                 }\r
 308         }\r
 309 \r
 310         var newMeg = {\r
 311                 name:$system_name,\r
 312                 message:util.format("/enteredby %s %s %s",msg.name,msg.color,msg.mailto),\r
 313         };\r
 314         ParseSendMsg(socket,newMeg);\r
 315 }\r
 316 \r
 317 function ParseQuit(socket,msg)\r
 318 {\r
 319         var ip = GetClientIPAdress(socket);\r
 320 \r
 321         if(ipbanlist.IsBlockedToWrite(ip))\r
 322         {\r
 323                 socket.emit("error",$block_message);\r
 324                 return;\r
 325         }\r
 326 \r
 327         var rno = GetRoomNumberFromName(socket.namespace.name);\r
 328 \r
 329         var newMeg = {\r
 330                 name:$system_name,\r
 331                 message:$password_resetted_message,\r
 332         };\r
 333         if($rooms.IsContains(rno))\r
 334         {\r
 335                 if($rooms.IsOwner(rno,msg.name))\r
 336                 {\r
 337                         $rooms.Reset(rno,null);\r
 338                         ParseSendMsg(socket,newMeg);\r
 339                 }\r
 340                 if(!$rooms.IsFirstAuth(rno) &&\r
 341                         !$rooms.IsAuthed(rno,msg.name))\r
 342                         return;\r
 343                 else\r
 344                         $rooms.RemoveAuth(rno,msg.name);\r
 345         }\r
 346 \r
 347         newMeg.message = util.format("/quitedby %s",msg.name);\r
 348         ParseSendMsg(socket,newMeg);\r
 349 }\r
 350 \r
 351 //socket 接続中のソケット\r
 352 //msg msgクラス\r
 353 function ParseSendMsg(socket,msg)\r
 354 {\r
 355         var ip = GetClientIPAdress(socket);\r
 356 \r
 357         if(ip in ipbanlist)\r
 358         {\r
 359                 socket.emit("error",$block_message);\r
 360                 return;\r
 361         }\r
 362 \r
 363         var rno = GetRoomNumberFromName(socket.namespace.name);\r
 364 \r
 365         if(msg.name != $system_name && \r
 366                 $rooms.IsContains(rno) &&\r
 367                 !$rooms.IsAuthed(rno,msg.name) &&\r
 368                 !$rooms.IsOwner(rno,msg.name))\r
 369         {\r
 370                 return;\r
 371         }\r
 372 \r
 373         var date = new Date();\r
 374 \r
 375         var repacked_msg = CreateMessage(msg.name,date,msg.message);\r
 376 \r
 377         socket.json.emit("req msg", repacked_msg);\r
 378 \r
 379         socket.json.broadcast.emit("req msg", repacked_msg);\r
 380 \r
 381         var path = $log_directory + "/" + util.format($log_file_name,rno);\r
 382         var log = new ChatLog(path);\r
 383         log.Save(repacked_msg,ip,rno);\r
 384 }\r
 385 \r
 386 function GetNameFromRoomNumber(number)\r
 387 {\r
 388         return "/" + number;\r
 389 }\r
 390 \r
 391 function GetRoomNumberFromName(name)\r
 392 {\r
 393         if(name.charAt(0) == "/")\r
 394                 return parseInt(name.substr(1));\r
 395         throw "GetRoomNumberFromName error";\r
 396 }\r
 397 \r
 398 function ParseGetPastLogList(socket,msg)\r
 399 {\r
 400         var list = fs.readdir($log_directory,function(err,files){\r
 401                 var text = "";\r
 402                 var rno = GetRoomNumberFromName(socket.namespace.name);\r
 403                 var pattern = $pastlogfile_pattern.replace("%d",rno);\r
 404                 for(var i = 0; i < files.length; i++)\r
 405                 {\r
 406                         var logname = files[i];\r
 407                         if(logname.match(pattern))\r
 408                                 text += files[i] + "\n";\r
 409                 }\r
 410                 socket.emit("req pastloglist",text);\r
 411         });\r
 412 }\r
 413 \r
 414 function ParseGetPastLog(socket,file)\r
 415 {\r
 416         if(file == "")\r
 417                 return;\r
 418         var path = $log_directory + "/" + file;\r
 419         var log = new ChatLog(path);\r
 420         log.ToArray(function(array){\r
 421                 socket.json.emit("req pastlog",array);\r
 422         });\r
 423 }\r
 424 \r
 425 function ChatLog(path)\r
 426 {\r
 427         this.ToArray = function(callback)\r
 428         {\r
 429                 var state = fs.stat(path,function(err,state){\r
 430                         if(err)\r
 431                                 return;\r
 432                         var array = new Array();\r
 433                         var stream = fs.createReadStream(path);\r
 434                         new lazy(stream)\r
 435                                 .lines\r
 436                                 .forEach(function(line){\r
 437                                         array.push(CreateMessageFromText(line.toString()));\r
 438                                 })\r
 439                                 .join(function(){\r
 440                                         callback(array);\r
 441                                 });\r
 442                 });\r
 443         }\r
 444 \r
 445         this.Save = function(msg,ip,rno){\r
 446                 var text = GetTextFromMessage(msg,ip);\r
 447 \r
 448                 SplitLog(rno,function(){\r
 449                         WritePastLog(path,text);\r
 450                 });\r
 451         };\r
 452 \r
 453         function GetTextFromMessage(msg,ip)\r
 454         {\r
 455                 var text = msg.name + "<>" +\r
 456                                 msg.date + "<>" +\r
 457                                 ip + "<>" +\r
 458                                 msg.message +\r
 459                                 "\n";\r
 460                 return text;\r
 461         }\r
 462 \r
 463         function SplitLog(rno,callback)\r
 464         {\r
 465                 var state = fs.stat(path,function(err,state){\r
 466                         if(err && typeof(callback) == "function")\r
 467                         {\r
 468                                 callback();\r
 469                                 return;\r
 470                         }\r
 471                         if(state.size > $spilt_size)\r
 472                         {\r
 473                                 var date = new Date();\r
 474                                 var dateString = ""+date.getFullYear()+date.getMonth()+date.getDate()+date.getHours()+date.getMinutes()+date.getSeconds();\r
 475 \r
 476                                 var newpath = $log_directory + "/" +\r
 477                                         util.format($splited_log_file_name,rno,dateString);\r
 478                                 fs.rename(path,newpath,callback);\r
 479                         }else{\r
 480                                 if(typeof(callback) == "function")\r
 481                                         callback();\r
 482                         }\r
 483                 });\r
 484         }\r
 485 \r
 486         function WritePastLog(path,text)\r
 487         {\r
 488                 async.waterfall([\r
 489                         function(callback){\r
 490                                 fs.open(path,"a",callback);\r
 491                         },\r
 492                         function(fd,callback){\r
 493                                 var buf = new Buffer(text);\r
 494                                 fs.write(fd,buf,0,Buffer.byteLength(text),null,function(){\r
 495                                         callback(null,fd);\r
 496                                 });\r
 497                         },\r
 498                         function(fd){\r
 499                                 fs.close(fd);\r
 500                         }\r
 501                 ]);\r
 502         }\r
 503 }\r
 504 \r
 505 function GetClientIPAdress(socket)\r
 506 {\r
 507         return socket.handshake.headers["x-forwarded-for"] || socket.handshake.address.address;\r
 508 }\r
 509 \r
 510 // Message クラス\r
 511 function CreateMessage(name,date,message)\r
 512 {\r
 513         var result = {name:name,\r
 514                 date:date,\r
 515                 message:message};\r
 516         return result;\r
 517 }\r
 518 function CreateMessageFromText(text)\r
 519 {\r
 520         var data = text.split("<>");\r
 521         var msg = {name:data[0],\r
 522                 date:data[1],\r
 523                 message:data[3]};\r
 524         return msg;\r
 525 }\r
 526 \r
 527 //RoomInfomationCollecionクラス\r
 528 function RoomInfomationCollection()\r
 529 {\r
 530         var collection = {};\r
 531         this.Reset = function(rno,owner){\r
 532                 var date = new Date();\r
 533                 var time = date.getTime();\r
 534                 collection[rno].password = null;\r
 535                 collection[rno].authed_list = {};\r
 536                 collection[rno].owner = owner;\r
 537                 collection[rno].time = time;\r
 538                 console.log(util.format("password is reseted in %s",rno));\r
 539         };\r
 540         this.IsContains = function(rno){\r
 541                 return rno in collection;\r
 542         };\r
 543         this.IsFirstAuth = function(rno){\r
 544                 if(!this.IsContains(rno) || typeof(collection[rno].owner) == "undefined")\r
 545                         return false;\r
 546                 return collection[rno].owner == null;\r
 547         }\r
 548         this.IsAuthed = function(rno,name){\r
 549                 if(!this.IsContains(rno))\r
 550                         return false;\r
 551                 return name == collection[rno].owner ||\r
 552                         name in collection[rno].authed_list;\r
 553         };\r
 554         this.IsFixedPassword = function(rno){\r
 555                 if(!this.IsContains(rno))\r
 556                         return false;\r
 557                 return collection[rno].owner == $system_name;\r
 558         };\r
 559         this.IsOwner = function(rno,name){\r
 560                 return this.IsContains(rno) &&\r
 561                         typeof(collection[rno].owner) != "undefined" &&\r
 562                         collection[rno].owner == name;\r
 563         }\r
 564         this.IsTimeout = function(rno){\r
 565                 var date = new Date();\r
 566                 var time = date.getTime();\r
 567                 return this.IsContains(rno) &&\r
 568                         !this.IsFixedPassword(rno) &&\r
 569                         (typeof(collection[rno].time) != "undefined" &&\r
 570                         time - collection[rno].time >= $reset_password_diff);\r
 571         };\r
 572         this.RemoveAuth = function(rno,name)\r
 573         {\r
 574                 delete collection[rno].authed_list[name];\r
 575         }\r
 576         this.Auth = function(rno,name,password){\r
 577                 if(typeof(collection[rno].password) != "undefined" &&\r
 578                         collection[rno].password != password)\r
 579                         return false;\r
 580                 var date = new Date();\r
 581                 var time = date.getTime();\r
 582                 collection[rno].time = time;\r
 583                 collection[rno].authed_list[name] = "";\r
 584                 return true;\r
 585         }\r
 586         this.SetPassword = function(rno,owner,password){\r
 587                 if(this.IsContains(rno) && \r
 588                         owner == collection[rno].owner &&\r
 589                         !this.IsFixedPassword(rno))\r
 590                 {\r
 591                         var date = new Date();\r
 592                         collection[rno].time = date.getTime();\r
 593                         collection[rno].password = password;\r
 594                         \r
 595                         console.log(util.format("password is seted to %s in %s",password,rno));\r
 596                         return true;\r
 597                 }\r
 598                 return false;\r
 599         };\r
 600         this.GetString = function(){\r
 601                 var retval = "";\r
 602                 for(var rno in collection)\r
 603                 {\r
 604                         var pass = collection[rno].password;\r
 605                         if(pass == null)\r
 606                                 pass = "";\r
 607                         retval += rno + ":" + pass + "\r\n";\r
 608                 }\r
 609                 return retval;\r
 610         };\r
 611         this.GetKeys = function(){\r
 612                 var retval = {};\r
 613                 for(var rno in collection)\r
 614                 {\r
 615                         retval[rno] = {};\r
 616                 }\r
 617                 return retval;\r
 618         }\r
 619         this.Update = function(text,callfunc){\r
 620                 async.waterfall([\r
 621                         function(callback){\r
 622                                 fs.open($room_configure_file_name,"w",callback);\r
 623                         },\r
 624                         function(fd,callback){\r
 625                                 var buf = new Buffer(text);\r
 626                                 fs.write(fd,buf,0,Buffer.byteLength(text),null,function(){\r
 627                                         callback(null,fd);\r
 628                                 });\r
 629                         },\r
 630                         function(fd,callback){\r
 631                                 fs.close(fd,function(){\r
 632                                         GetRoomList(callfunc);\r
 633                                 });\r
 634                         }\r
 635                 ]);\r
 636         }\r
 637         function GetRoomList(callback){\r
 638                 Clear();\r
 639                 path.exists($room_configure_file_name,function(exists){\r
 640                         if(exists == false)\r
 641                         {\r
 642                                 if(typeof(callback) == "function")\r
 643                                         callback();\r
 644                                 return;\r
 645                         }\r
 646                         var stream = fs.createReadStream($room_configure_file_name);\r
 647                         new lazy(stream)\r
 648                                 .lines\r
 649                                 .forEach(function(line){\r
 650                                         var token = line.toString().replace(/(\r|\n|\r\n)/gm, "").split(":");\r
 651                                         if(token.length == 1)\r
 652                                         {\r
 653                                                 Add(token[0],null);\r
 654                                         }\r
 655                                         else if(token.length == 2)\r
 656                                         {\r
 657                                                 var rno = token[0];\r
 658                                                 var pass = token[1];\r
 659                                                 if(pass == "")\r
 660                                                         pass = null;\r
 661                                                 Add(rno, pass);\r
 662                                         }\r
 663                                 })\r
 664                                 .join(function(){\r
 665                                         if(typeof(callback) == "function")\r
 666                                                 callback();\r
 667                                 });\r
 668                 });\r
 669         }\r
 670         function Clear(){\r
 671                 collection = {};\r
 672         };\r
 673         function Add(rno,pass){\r
 674                 collection[rno] = {time : null,\r
 675                         password : pass,\r
 676                         owner : null,\r
 677                         authed_list : {}};\r
 678                 if(pass != null)\r
 679                         collection[rno].owner = $system_name;\r
 680         };\r
 681 \r
 682         GetRoomList();\r
 683 }\r
 684 \r
 685 //IPBANクラス\r
 686 function IpBanCollecion()\r
 687 {\r
 688         var collection = {};\r
 689         this.IsBaned = function(ip){\r
 690                 return collection[ip] == "r";\r
 691         }\r
 692         this.IsBlockedToWrite = function(ip){\r
 693                 return ip in collection;\r
 694         }\r
 695         this.GetText = function(){\r
 696                 var text = "";\r
 697                 for(var key in collection)\r
 698                 {\r
 699                         if(collection[key] == "")\r
 700                                 text += key + "\r\n";\r
 701                         else\r
 702                                 text += key + ":" + collection[key] + "\r\n";\r
 703                 }\r
 704                 return text;\r
 705         }\r
 706         this.Update = function(text,callfunc){\r
 707                 async.waterfall([\r
 708                         function(callback){\r
 709                                 fs.open($ip_ban_list_file_name,"w",callback);\r
 710                         },\r
 711                         function(fd,callback){\r
 712                                 var buf = new Buffer(text);\r
 713                                 fs.write(fd,buf,0,Buffer.byteLength(text),null,function(){\r
 714                                         callback(null,fd);\r
 715                                 });\r
 716                         },\r
 717                         function(fd,callback){\r
 718                                 fs.close(fd,function(){\r
 719                                         GetIpBanList(callfunc);\r
 720                                 });\r
 721                         }\r
 722                 ]);\r
 723         }\r
 724         function GetIpBanList(callback)\r
 725         {\r
 726                 collection = {};\r
 727                 path.exists($ip_ban_list_file_name,function(exists){\r
 728                         if(exists == false)\r
 729                         {\r
 730                                 if(typeof(callback) == "function")\r
 731                                         callback();\r
 732                                 return;\r
 733                         }\r
 734                         var stream = fs.createReadStream($ip_ban_list_file_name);\r
 735                         new lazy(stream)\r
 736                                 .lines\r
 737                                 .forEach(function(line){\r
 738                                         var token = line.toString().replace(/(\r|\n|\r\n)/gm, "").split(":");\r
 739                                         var ip = token[0];\r
 740                                         if(token.length == 1)\r
 741                                                 collection[ip] = "";\r
 742                                         else\r
 743                                                 collection[ip] = token[1];\r
 744                                 })\r
 745                                 .join(function(){\r
 746                                         if(typeof(callback) == "function")\r
 747                                                 callback();\r
 748                                 });\r
 749                 });\r
 750         }\r
 751         GetIpBanList();\r
 752 }\r
 753 \r