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