chat.js

   1 $spilt_size = 1024 * 512;    //分割するサイズ\r
   2 $reset_password_diff = 1000 * 60 * 60;  //ルームパスワードをリセットする間隔\r
   3 $gc_time_interval = 1000 * 60 * 60;     //ゴミ掃除を行う間隔\r
   4 $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
   5 $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
   6 $system_name = "system";        //システム発言を表す名前\r
   7 $log_directory = "log"; //ログファイルを置くフォルダー\r
   8 $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
   9 $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
  10 \r
  11 var clients = new Array();\r
  12 \r
  13 var sessionStore;\r
  14 \r
  15 module.exports = function(app,server,express,session){\r
  16         sessionStore = session;\r
  17         app.get("/chat", chat_proc);\r
  18         app.all("/log/*",express.basicAuth(auth_proc));\r
  19         app.get("/log/*",log_proc);\r
  20         app.all("/chat/admin",express.basicAuth(auth_proc));\r
  21         app.get("/chat/admin", admin_proc);\r
  22         app.post("/chat/admin",admin_postproc);\r
  23 \r
  24         var config = require("./configure.js");\r
  25         var io = require("socket.io").listen(server);\r
  26         io.configure("production", function(){\r
  27                 io.set("transports", config.transports);\r
  28                 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
  29                 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
  30                 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
  31         });\r
  32 \r
  33         for(var i = 0; i < config.max_room_number; i++)\r
  34         {\r
  35                 clients[i] =io\r
  36                 .of(GetNameFromRoomNumber(i))\r
  37                 .authorization(ParseAuthorization)\r
  38                 .on("connection",ParseConnect);\r
  39         }\r
  40 };\r
  41 \r
  42 function chat_proc(req, res){\r
  43         var security = require("./security.js");\r
  44         var info = new security.SessionInfomation(false);\r
  45         req.session.items = info;\r
  46 \r
  47         var room_number = 0;\r
  48         if(typeof(req.query.rno) != "undefined")\r
  49                 room_number = req.query.rno;\r
  50         res.render("chat",{rno:room_number,token:req.session._csrf});\r
  51 }\r
  52 \r
  53 function auth_proc(user, pass) {\r
  54         var config = require("./configure.js");\r
  55         return user === config.username && pass === config.password;\r
  56 }\r
  57 \r
  58 function log_proc(req, res) {\r
  59         res.sendfile(__dirname + req.url);\r
  60 }\r
  61 \r
  62 function admin_postproc(req,res){\r
  63         if(typeof(req.body.erase) != "undefined")\r
  64         {\r
  65                 removeLog(req.body.file,function(){\r
  66                         res.redirect("/chat/admin");\r
  67                 });\r
  68         }\r
  69         if(typeof(req.body.registor) != "undefined")\r
  70         {\r
  71                 ipbanlist.Update(req.body.newbanlist,function(){\r
  72                         res.redirect("/chat/admin");\r
  73                 });\r
  74         }\r
  75         if(typeof(req.body.updateroom) != "undefined")\r
  76         {\r
  77                 $rooms.Update(req.body,function(){\r
  78                         res.redirect("/chat/admin");\r
  79                 });\r
  80         }\r
  81 }\r
  82 \r
  83 function admin_proc(req,res)\r
  84 {\r
  85         var security = require("./security.js");\r
  86         var info = new security.SessionInfomation(true);\r
  87         req.session.items = info;\r
  88         var iplist = ipbanlist.GetText();\r
  89         var fs = require("fs");\r
  90 \r
  91         fs.readdir($log_directory,function(err,list){\r
  92                 res.setHeader("X-FRAME-OPTIONS","DENY");\r
  93                 res.render("admin", {\r
  94                         files: list,\r
  95                         log_directory:$log_directory,\r
  96                         ipbanlist:iplist,\r
  97                         token:req.session._csrf,\r
  98                         roomlist:$rooms.GetMessage()\r
  99                 });\r
 100         });\r
 101 }\r
 102 \r
 103 function removeLog(files,callback)\r
 104 {\r
 105         if(typeof(files) == "undefined")\r
 106         {\r
 107                 if(typeof(callback) == "function")\r
 108                         callback();\r
 109                 return;\r
 110         }\r
 111         var async = require("async");\r
 112         async.map(files,\r
 113         function(item,callback){\r
 114                 var fs = require("fs");\r
 115                 fs.unlink($log_directory + "/" + item,callback);\r
 116         },\r
 117         function(err,results){\r
 118                 if(typeof(callback) == "function")\r
 119                         callback();\r
 120         });\r
 121 }\r
 122 \r
 123 //RoomInfomationCollecionクラス\r
 124 function RoomInfomationCollection()\r
 125 {\r
 126         var config = require("./configure.js");\r
 127         var MySQLPool = new require("./mysql_pool.js");\r
 128         var pool = new MySQLPool({\r
 129                                 host     : config.db_host,\r
 130                                 user     : config.db_user,\r
 131                                 password : config.db_password,\r
 132                                 port     : config.db_port,\r
 133                                 database : config.db_name,\r
 134                         });\r
 135         var collection = {};\r
 136         this.Get = function(rno){\r
 137                 return collection[rno];\r
 138         }\r
 139         this.IsContains = function(rno){\r
 140                 return rno in collection;\r
 141         };\r
 142         this.GetMessage = function(){\r
 143                 var retval = new Array();\r
 144                 for(var rno in collection)\r
 145                 {\r
 146                         item={};\r
 147                         item.applyflag = !$rooms.Get(rno).IsVolatile();\r
 148                         item.password = collection[rno].password;\r
 149                         if(item.password == null)\r
 150                                 item.password = "";\r
 151                         item.hiddenlog = collection[rno].hiddenlog;\r
 152                         retval.push(item);\r
 153                 }\r
 154                 return retval;\r
 155         };\r
 156         this.GetKeys = function(){\r
 157                 var retval = {};\r
 158                 for(var rno in collection)\r
 159                 {\r
 160                         retval[rno] = {};\r
 161                 }\r
 162                 return retval;\r
 163         }\r
 164         this.Update = function(data,callfunc){\r
 165                 Clear();\r
 166                 var async = require("async");\r
 167                 async.waterfall([\r
 168                         function(next){\r
 169                                 pool.query("TRUNCATE TABLE rooms",null,next);\r
 170                         },\r
 171                         function(result,next){\r
 172                                 var util = require("util");\r
 173                                 console.log(util.inspect(data));\r
 174                                 var items = new Array();\r
 175                                 var config = data.config;\r
 176                                 for(var i = 0; i < config.length; i++)\r
 177                                 {\r
 178                                         var rno = Number(config[i].applyflag);\r
 179                                         if(isNaN(rno))\r
 180                                                 continue;\r
 181                                         var password,romonly;\r
 182                                         if(typeof(config[rno].password)=="undefined")\r
 183                                                 password = null;\r
 184                                         else if(config[rno].password == "")\r
 185                                                 password = null;\r
 186                                         else\r
 187                                                 password = config[rno].password;\r
 188                                         if(typeof(config[rno].hiddenlog)=="undefined")\r
 189                                                 romonly = false;\r
 190                                         else\r
 191                                                 romonly = config[rno].hiddenlog == "romonly";\r
 192 \r
 193                                         Add(rno,password,romonly);\r
 194                                         items.push(new Array(rno,password,romonly));\r
 195                                 }\r
 196                                 pool.query("INSERT INTO rooms VALUES ?",[items],callfunc);\r
 197                         }\r
 198                 ],callfunc);\r
 199         }\r
 200         function GetRoomList(callback){\r
 201                 Clear();\r
 202                 var async = require("async");\r
 203                 async.waterfall([\r
 204                         function(next){\r
 205                                 pool.query("SELECT * FROM rooms",null,next);\r
 206                         },\r
 207                         function(result,next){\r
 208                                 for(var i = 0; i < result.length; i++)\r
 209                                 {\r
 210                                         //MySQLではTINYINTが使われている\r
 211                                         Add(result[i].number,result[i].password,result[i].hiddenlog != 0);\r
 212                                 }\r
 213                                 next(null,null);\r
 214                         }\r
 215                 ],callback);\r
 216         }\r
 217         function Clear(){\r
 218                 collection = {};\r
 219                 var config = require("./configure.js");\r
 220                 for(var i = 0; i < config.max_room_number; i++)\r
 221                         Add(i,null,null);\r
 222         };\r
 223         function Add(rno,pass,hiddenlogflag){\r
 224                 collection[rno] = new RoomInfomation(pass,hiddenlogflag);\r
 225                 if(pass != null)\r
 226                         collection[rno].owner = $system_name;\r
 227         };\r
 228         var $gc_interval_id = setInterval(function(){\r
 229                 for(var rno in this.rom_list)\r
 230                         collection[rno].GCRomList();\r
 231         },$gc_time_interval);\r
 232         GetRoomList();\r
 233 }\r
 234 \r
 235 //RoomInfomationクラス\r
 236 function RoomInfomation(pass,hiddenlogflag)\r
 237 {\r
 238         this.password = pass;\r
 239         this.rom_list = {};\r
 240         this.authed_list = {};\r
 241         this.owner = null;\r
 242         this.time = null;\r
 243         this.hiddenlog = hiddenlogflag;\r
 244         this.GetConfig = function(){\r
 245                 var roomconfig = {};\r
 246                 if(this.IsVolatile() == false)\r
 247                 {\r
 248                         if(this.IsFixedPassword())\r
 249                                 roomconfig.type = 2;\r
 250                         else if(this.IsHiddenLogFromRom())\r
 251                                 roomconfig.type = 3;\r
 252                         else\r
 253                                 roomconfig.type = 1;\r
 254                         roomconfig.IsOwned = !this.IsFirstAuth();\r
 255                 }else{\r
 256                         roomconfig.type = 0;\r
 257                 }\r
 258                 return roomconfig;\r
 259         }\r
 260         this.IsVolatile = function(){\r
 261                 return this.owner == null &&\r
 262                         this.password == null &&\r
 263                         this.time == null &&\r
 264                         this.hiddenlog == null;\r
 265         }\r
 266         this.GetRomCount = function(){\r
 267                 var count = 0;\r
 268                 for(var key in this.rom_list)\r
 269                         count++;\r
 270                 return count;\r
 271         };\r
 272         this.AddRom = function(ip){\r
 273                 var date = new Date();\r
 274                 this.rom_list[ip] = {time:date.getTime()};\r
 275         };\r
 276         this.RemoveRom = function(ip){\r
 277                 delete this.rom_list[ip];\r
 278         };\r
 279         this.Reset = function(owner){\r
 280                 var date = new Date();\r
 281                 var time = date.getTime();\r
 282                 this.password = null;\r
 283                 this.authed_list = {};\r
 284                 this.owner = owner;\r
 285                 this.time = time;\r
 286         };\r
 287         this.IsFirstAuth = function(){\r
 288                 return this.owner == null;\r
 289         };\r
 290         this.IsAuthed = function(name){\r
 291                 return name == this.owner ||\r
 292                         name in this.authed_list;\r
 293         };\r
 294         this.IsHiddenLogFromRom = function(){\r
 295                 return this.hiddenlog;\r
 296         };\r
 297         this.IsFixedPassword = function(){\r
 298                 return this.owner == $system_name;\r
 299         };\r
 300         this.IsOwner = function(name){\r
 301                 return this.owner == name;\r
 302         };\r
 303         this.IsTimeout = function(){\r
 304                 var date = new Date();\r
 305                 var current_time = date.getTime();\r
 306                 return !this.IsFixedPassword() &&\r
 307                         current_time - this.time >= $reset_password_diff;\r
 308         };\r
 309         this.RemoveAuth = function(name)\r
 310         {\r
 311                 delete this.authed_list[name];\r
 312         };\r
 313         this.Auth = function(name,password){\r
 314                 if(this.password != password)\r
 315                         return false;\r
 316                 var date = new Date();\r
 317                 var time = date.getTime();\r
 318                 this.time = time;\r
 319                 this.authed_list[name] = "";\r
 320                 return true;\r
 321         };\r
 322         this.SetPassword = function(owner,password){\r
 323                 if(owner == this.owner &&\r
 324                         !this.IsFixedPassword() &&\r
 325                         !this.IsHiddenLogFromRom())\r
 326                 {\r
 327                         var date = new Date();\r
 328                         this.time = date.getTime();\r
 329                         this.password = password;\r
 330                         return true;\r
 331                 }\r
 332                 return false;\r
 333         };\r
 334         this.GCRomList = function(){\r
 335                 var date = new Date();\r
 336                 var current_time = date.getTime();\r
 337                 for(var ip in this.rom_list)\r
 338                 {\r
 339                         if(current_time - this.rom_list[ip].time >= $gc_time_interval)\r
 340                                 delete this.rom_list[ip];\r
 341                 }\r
 342         };\r
 343 }\r
 344 \r
 345 //IPBANクラス\r
 346 function IpBanCollecion()\r
 347 {\r
 348         var config = require("./configure.js");\r
 349         var MySQLPool = new require("./mysql_pool.js");\r
 350         var pool = new MySQLPool({\r
 351                                 host     : config.db_host,\r
 352                                 user     : config.db_user,\r
 353                                 password : config.db_password,\r
 354                                 port     : config.db_port,\r
 355                                 database : config.db_name,\r
 356                         });\r
 357         var collection = {};\r
 358         this.IsBaned = function(ip){\r
 359                 return collection[ip] == "r";\r
 360         }\r
 361         this.IsBlockedToWrite = function(ip){\r
 362                 return ip in collection;\r
 363         }\r
 364         this.GetText = function(){\r
 365                 var text = "";\r
 366                 for(var key in collection)\r
 367                 {\r
 368                         if(collection[key] == "")\r
 369                                 text += key + "\r\n";\r
 370                         else\r
 371                                 text += key + ":" + collection[key] + "\r\n";\r
 372                 }\r
 373                 return text;\r
 374         }\r
 375         this.Update = function(text,callfunc){\r
 376                 collection = {};\r
 377                 var async = require("async");\r
 378                 async.waterfall([\r
 379                         function(next){\r
 380                                 pool.query("TRUNCATE TABLE ipbanlist",null,next);\r
 381                         },\r
 382                         function(result,next){\r
 383                                 var items = new Array();\r
 384                                 lines = text.split("\r\n");\r
 385                                 for(var i = 0; i < lines.length; i++)\r
 386                                 {\r
 387                                         var token = lines[i].split(":");\r
 388                                         var ip = token[0];\r
 389                                         if(ip == "")\r
 390                                                 continue;\r
 391                                         if(token.length == 1)\r
 392                                                 collection[ip] = "";\r
 393                                         else\r
 394                                                 collection[ip] = token[1];\r
 395                                         items.push(new Array(ip,collection[ip]));\r
 396                                 }\r
 397                                 pool.query("INSERT INTO ipbanlist VALUES ?",[items],next);\r
 398                         },\r
 399                 ],callfunc);\r
 400         }\r
 401         function GetIpBanList(callfunc)\r
 402         {\r
 403                 var async = require("async");\r
 404                 async.waterfall([\r
 405                         function(next){\r
 406                                 pool.query("SELECT * FROM ipbanlist",null,next);\r
 407                         },\r
 408                         function(result,next){\r
 409                                 for(var i = 0; i < result.length; i++)\r
 410                                         collection[result[i].ip] = result[i].type;\r
 411                                 next(null,null);\r
 412                         },\r
 413                 ],callfunc);\r
 414         }\r
 415         GetIpBanList();\r
 416 }\r
 417 \r
 418 var ipbanlist = new IpBanCollecion();\r
 419 var $rooms = new RoomInfomationCollection();\r
 420 \r
 421 createLogDirectory();\r
 422 \r
 423 function createLogDirectory()\r
 424 {\r
 425         var fs = require("fs");\r
 426         fs.exists($log_directory,function(exists){\r
 427                 if(exists == false)\r
 428                         fs.mkdirSync($log_directory);\r
 429         });\r
 430 }\r
 431 \r
 432 function ParseConnect(socket)\r
 433 {\r
 434         var ip = GetClientIPAdress(socket);\r
 435         console.log("connected from %s",ip);\r
 436 \r
 437         var rno = GetRoomNumberFromName(socket.namespace.name);\r
 438 \r
 439         var room = $rooms.Get(rno);\r
 440 \r
 441         room.AddRom(ip);\r
 442 \r
 443         var roomconfig = room.GetConfig();\r
 444         socket.json.emit("send roominfo",roomconfig);\r
 445 \r
 446         var romcount = room.GetRomCount();\r
 447         socket.json.emit("send romcount",romcount);\r
 448         socket.json.broadcast.emit("send romcount",romcount);\r
 449 \r
 450         socket.on("get pastLog", function (msg) {\r
 451                 ParseGetPastLog(socket,msg);\r
 452         });\r
 453         socket.on("join",function(msg){\r
 454                 ParseJoin(socket,msg);\r
 455         });\r
 456         socket.on("quit",function(msg){\r
 457                 ParseQuit(socket,msg);\r
 458         });\r
 459         socket.on("set password",function(msg){\r
 460                 ParseSetPassword(socket,msg);\r
 461         });\r
 462         socket.on("send msg", function (msg) {\r
 463                 ParseSendMsg(socket,msg);\r
 464         });\r
 465         socket.on("disconnect", function (msg) {\r
 466                 ParseDisconnect(socket,msg);\r
 467         });\r
 468 }\r
 469 \r
 470 function ParseAuthorization(handshakeData, callback)\r
 471 {\r
 472         var connectUtils = require("express/node_modules/connect/lib/utils");\r
 473         if(handshakeData.headers.cookie) {\r
 474                 var cookie = require("express/node_modules/cookie");\r
 475                 var signedCookie = cookie.parse(handshakeData.headers.cookie);\r
 476                 var sessionID = connectUtils.parseSignedCookies(signedCookie, $secret)["connect.sid"];\r
 477                 sessionStore.get(sessionID, function (err, session) {\r
 478                         var result = null;\r
 479                         if (ipbanlist.IsBaned(handshakeData.address.address))\r
 480                                 result = "failed get from session store";\r
 481                         else if(err)\r
 482                                 result = err;\r
 483                         else if(typeof(session) == "undefined" || typeof(session._csrf) == "undefined")\r
 484                                 result = "session is undefined";\r
 485                         else if(handshakeData.query.token != session._csrf)\r
 486                                 result = "invaild token";\r
 487                         if(result == null)\r
 488                                 handshakeData.sessionID = sessionID;\r
 489                         callback(result,result == null && !err);\r
 490                 });\r
 491         } else {\r
 492                 return callback("failed get cookie", false);\r
 493         }\r
 494 }\r
 495 \r
 496 function ParseDisconnect(socket,msg)\r
 497 {\r
 498         var ip = GetClientIPAdress(socket);\r
 499         var rno = GetRoomNumberFromName(socket.namespace.name);\r
 500         $rooms.Get(rno).RemoveRom(ip);\r
 501 \r
 502         var romcount = $rooms.Get(rno).GetRomCount();\r
 503         socket.json.emit("send romcount",romcount);\r
 504         socket.json.broadcast.emit("send romcount",romcount);\r
 505 \r
 506         console.log("disconnected");\r
 507 }\r
 508 \r
 509 function ParseSetPassword(socket,msg)\r
 510 {\r
 511         var rno = GetRoomNumberFromName(socket.namespace.name);\r
 512         var newMeg = {\r
 513                 name:$system_name,\r
 514                 message:null,\r
 515         };\r
 516         var resource = require("./resources.js");\r
 517         if($rooms.Get(rno).IsVolatile() == false && $rooms.Get(rno).SetPassword(msg.owner,msg.password))\r
 518                 newMeg.message = resource.password_setted_message;\r
 519         else\r
 520                 newMeg.message = resource.failed_set_password_message;\r
 521         ParseSendMsg(socket,newMeg);\r
 522 }\r
 523 \r
 524 function ParseJoin(socket,msg)\r
 525 {\r
 526         var ip = GetClientIPAdress(socket);\r
 527 \r
 528         if(ipbanlist.IsBlockedToWrite(ip))\r
 529         {\r
 530                 var resource = require("./resources.js");\r
 531                 socket.emit("error",resource.block_message);\r
 532                 return;\r
 533         }\r
 534 \r
 535         var rno = GetRoomNumberFromName(socket.namespace.name);\r
 536 \r
 537         $rooms.Get(rno).RemoveRom(ip);\r
 538         \r
 539         var romcount = $rooms.Get(rno).GetRomCount();\r
 540         socket.json.emit("send romcount",romcount);\r
 541         socket.json.broadcast.emit("send romcount",romcount);\r
 542 \r
 543         var util = require("util");\r
 544         if($rooms.Get(rno).IsVolatile() == false)\r
 545         {\r
 546                 if($rooms.Get(rno).IsTimeout() ||\r
 547                         $rooms.Get(rno).IsFirstAuth())\r
 548                 {\r
 549                         $rooms.Get(rno).Reset(msg.name);\r
 550                         ParseGetPastLog(socket,util.format($log_file_name,rno));\r
 551                 }\r
 552                 else if($rooms.Get(rno).Auth(msg.name,msg.password))\r
 553                 {\r
 554                         ParseGetPastLog(socket,util.format($log_file_name,rno));\r
 555                 }\r
 556                 else\r
 557                 {\r
 558                         var resource = require("./resources.js");\r
 559                         socket.emit("error",resource.unmatch_password);\r
 560                         return;\r
 561                 }\r
 562         }\r
 563 \r
 564         var newMeg = {\r
 565                 name:$system_name,\r
 566                 message:util.format("/enteredby %s %s %s",msg.name,msg.color,msg.mailto),\r
 567         };\r
 568         ParseSendMsg(socket,newMeg);\r
 569 }\r
 570 \r
 571 function ParseQuit(socket,msg)\r
 572 {\r
 573         var ip = GetClientIPAdress(socket);\r
 574 \r
 575         var resource = require("./resources.js");\r
 576         if(ipbanlist.IsBlockedToWrite(ip))\r
 577         {\r
 578                 socket.emit("error",resource.block_message);\r
 579                 return;\r
 580         }\r
 581 \r
 582         var rno = GetRoomNumberFromName(socket.namespace.name);\r
 583 \r
 584         var newMeg = {\r
 585                 name:$system_name,\r
 586                 message:resource.password_resetted_message,\r
 587         };\r
 588 \r
 589         $rooms.Get(rno).AddRom(ip);\r
 590 \r
 591         var romcount = $rooms.Get(rno).GetRomCount();\r
 592         socket.json.emit("send romcount",romcount);\r
 593         socket.json.broadcast.emit("send romcount",romcount);\r
 594 \r
 595         if($rooms.Get(rno).IsVolatile() == false)\r
 596         {\r
 597                 if($rooms.Get(rno).IsOwner(msg.name))\r
 598                 {\r
 599                         $rooms.Get(rno).Reset(null);\r
 600                         ParseSendMsg(socket,newMeg);\r
 601                 }\r
 602                 if(!$rooms.Get(rno).IsFirstAuth() &&\r
 603                         !$rooms.Get(rno).IsAuthed(msg.name))\r
 604                         return;\r
 605                 else\r
 606                         $rooms.Get(rno).RemoveAuth(msg.name);\r
 607         }\r
 608 \r
 609         var util = require("util");\r
 610         newMeg.message = util.format("/quitedby %s",msg.name);\r
 611         ParseSendMsg(socket,newMeg);\r
 612 }\r
 613 \r
 614 //socket 接続中のソケット\r
 615 //msg msgクラス\r
 616 function ParseSendMsg(socket,msg)\r
 617 {\r
 618         var ip = GetClientIPAdress(socket);\r
 619 \r
 620         if(ip in ipbanlist)\r
 621         {\r
 622                 var resource = require("./resources.js");\r
 623                 socket.emit("error",resource.block_message);\r
 624                 return;\r
 625         }\r
 626 \r
 627         var rno = GetRoomNumberFromName(socket.namespace.name);\r
 628 \r
 629         if(msg.name != $system_name && \r
 630                 $rooms.Get(rno).IsVolatile() == false &&\r
 631                 !$rooms.Get(rno).IsAuthed(msg.name) &&\r
 632                 !$rooms.Get(rno).IsOwner(rno,msg.name))\r
 633         {\r
 634                 return;\r
 635         }\r
 636 \r
 637         var date = new Date();\r
 638 \r
 639         var repacked_msg = CreateMessage(msg.name,date,msg.message);\r
 640 \r
 641         if(socket.handshake.admin)\r
 642                 repacked_msg.ip = ip;\r
 643 \r
 644         socket.json.emit("req msg", repacked_msg);\r
 645 \r
 646         socket.json.broadcast.emit("req msg", repacked_msg);\r
 647 \r
 648         var util = require("util");\r
 649         var path = $log_directory + "/" + util.format($log_file_name,rno);\r
 650         var log = new ChatLog(path);\r
 651         log.Save(repacked_msg,ip,rno);\r
 652 }\r
 653 \r
 654 function GetNameFromRoomNumber(number)\r
 655 {\r
 656         return "/" + number;\r
 657 }\r
 658 \r
 659 function GetRoomNumberFromName(name)\r
 660 {\r
 661         if(name.charAt(0) == "/")\r
 662                 return parseInt(name.substr(1));\r
 663         throw "GetRoomNumberFromName error";\r
 664 }\r
 665 \r
 666 function ParseGetPastLog(socket,file)\r
 667 {\r
 668         if(file == "")\r
 669                 return;\r
 670         var path = $log_directory + "/" + file;\r
 671         var log = new ChatLog(path);\r
 672         var config = require("./configure.js");\r
 673         log.ToArray(config.showip,function(array){\r
 674                 socket.json.emit("req pastlog",array);\r
 675         });\r
 676 }\r
 677 \r
 678 function ChatLog(path)\r
 679 {\r
 680         this.ToArray = function(hasIp,callback)\r
 681         {\r
 682                 var fs = require("fs");\r
 683                 var state = fs.stat(path,function(err,state){\r
 684                         if(err)\r
 685                                 return;\r
 686                         var array = new Array();\r
 687                         var stream = fs.createReadStream(path);\r
 688                         var lazy = require("lazy");\r
 689                         new lazy(stream)\r
 690                                 .lines\r
 691                                 .forEach(function(line){\r
 692                                         var msg = CreateMessageFromText(line.toString());\r
 693                                         if(hasIp == false)\r
 694                                                 msg.ip = "";\r
 695                                         array.push(msg);\r
 696                                 })\r
 697                                 .join(function(){\r
 698                                         callback(array);\r
 699                                 });\r
 700                 });\r
 701         }\r
 702 \r
 703         this.Save = function(msg,ip,rno){\r
 704                 var text = GetTextFromMessage(msg,ip);\r
 705 \r
 706                 SplitLog(rno,function(){\r
 707                         WritePastLog(path,text);\r
 708                 });\r
 709         };\r
 710 \r
 711         function GetTextFromMessage(msg,ip)\r
 712         {\r
 713                 var text = msg.name + "<>" +\r
 714                                 msg.date + "<>" +\r
 715                                 ip + "<>" +\r
 716                                 msg.message +\r
 717                                 "\n";\r
 718                 return text;\r
 719         }\r
 720 \r
 721         function SplitLog(rno,callback)\r
 722         {\r
 723                 var util = require("util");\r
 724                 var fs = require("fs");\r
 725                 var state = fs.stat(path,function(err,state){\r
 726                         if(err && typeof(callback) == "function")\r
 727                         {\r
 728                                 callback();\r
 729                                 return;\r
 730                         }\r
 731                         if(state.size > $spilt_size)\r
 732                         {\r
 733                                 var date = new Date();\r
 734                                 var dateString = ""+date.getFullYear()+date.getMonth()+date.getDate()+date.getHours()+date.getMinutes()+date.getSeconds();\r
 735 \r
 736                                 var newpath = $log_directory + "/" +\r
 737                                         util.format($splited_log_file_name,rno,dateString);\r
 738                                 fs.rename(path,newpath,callback);\r
 739                         }else{\r
 740                                 if(typeof(callback) == "function")\r
 741                                         callback();\r
 742                         }\r
 743                 });\r
 744         }\r
 745 \r
 746         function WritePastLog(path,text)\r
 747         {\r
 748                 var fs = require("fs");\r
 749                 var async = require("async");\r
 750                 async.waterfall([\r
 751                         function(callback){\r
 752                                 fs.open(path,"a",callback);\r
 753                         },\r
 754                         function(fd,callback){\r
 755                                 var buf = new Buffer(text);\r
 756                                 fs.write(fd,buf,0,Buffer.byteLength(text),null,function(){\r
 757                                         callback(null,fd);\r
 758                                 });\r
 759                         },\r
 760                         function(fd){\r
 761                                 fs.close(fd);\r
 762                         }\r
 763                 ]);\r
 764         }\r
 765 }\r
 766 \r
 767 function GetClientIPAdress(socket)\r
 768 {\r
 769         return socket.handshake.headers["x-forwarded-for"] || socket.handshake.address.address;\r
 770 }\r
 771 \r
 772 // Message クラス\r
 773 function CreateMessage(name,date,message)\r
 774 {\r
 775         var result = {name:name,\r
 776                 date:date,\r
 777                 ip:"",\r
 778                 message:message};\r
 779         return result;\r
 780 }\r
 781 function CreateMessageFromText(text)\r
 782 {\r
 783         var data = text.split("<>");\r
 784         var msg = {name:data[0],\r
 785                 ip:data[2],\r
 786                 date:data[1],\r
 787                 message:data[3]};\r
 788         return msg;\r
 789 }\r