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; //ルームパスワードをリセットする間隔
\r
7 $gc_time_interval = 1000 * 60 * 60; //ゴミ掃除を行う間隔
\r
8 $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
9 $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
10 $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
11 $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
12 $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
13 $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
14 $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
15 $port = process.env.port || 3000; //ポート
\r
16 $username = "admin"; //管理者用のページにアクセスできるユーザ名
\r
17 $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
18 $token_length = 32; //トークンの長さ
\r
19 $redisHost = "localhost"; //redisサーバのアドレス
\r
20 $redisPort = 6379; //redisサーバのポート
\r
21 $redisPassword = ""; //redisサーバのパスワード
\r
22 $system_name = "system"; //システム発言を表す名前
\r
23 $log_directory = "log"; //ログファイルを置くフォルダー
\r
24 $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
25 $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
26 $pastlogfile_pattern = "logfile%d(_+.*)?\.txt"; //過去ログと判定する正規表現
\r
27 $logfile_pattern = "logfile[0-9]+(_*.*)?\.txt" //過去ログと判定する正規表現
\r
30 * Module dependencies.
\r
34 var express = require('express');
\r
36 var app = module.exports = express.createServer();
\r
38 var util = require("util");
\r
40 var lazy = require("lazy");
\r
42 var fs = require("fs");
\r
44 var parseCookie = require("connect").utils.parseCookie;
\r
46 var RedisStore = require("connect-redis")(express);
\r
47 var sessionStore = new RedisStore({host:$redisHost,port:$redisPort,pass:$redisPassword});
\r
49 var async = require("async");
\r
51 var path = require("path");
\r
55 app.configure(function(){
\r
56 app.disabled("view cache");
\r
57 app.set("view options", { layout: false })
\r
58 app.set("views", __dirname + "/public");
\r
59 app.set("view engine", "ejs");
\r
60 app.use(express.bodyParser());
\r
61 app.use(express.methodOverride());
\r
62 app.use(express.cookieParser());
\r
63 app.use(express.session({
\r
65 secret: "5514EA2B-C9B2-4D65-8D81-1F33A180A0C2",
\r
66 cookie: { httpOnly: false }
\r
68 app.use(app.router);
\r
69 app.use(express.static(__dirname + "/public"));
\r
72 app.configure('development', function(){
\r
73 app.use(express.errorHandler({ dumpExceptions: true, showStack: true }));
\r
76 app.configure('production', function(){
\r
77 app.use(express.errorHandler());
\r
81 app.get("/chat", function(req, res){
\r
82 var auth_string = getRandomString($token_length);
\r
83 req.session.items = {token:auth_string};
\r
85 var room_number = 0;
\r
86 if(typeof(req.query.rno) != "undefined")
\r
87 room_number = req.query.rno;
\r
88 res.render("chat",{rno:room_number,token:auth_string});
\r
91 app.all("/log/" + $logfile_pattern,express.basicAuth(function (user, pass) {
\r
92 return user === $username && pass === $password;
\r
95 app.get("/log/" + $logfile_pattern, function(req, res){
\r
96 res.sendfile(__dirname + req.url);
\r
99 app.all("/admin",express.basicAuth(function (user, pass) {
\r
100 return user === $username && pass === $password;
\r
103 app.get("/admin", function(req, res){
\r
104 renderAdmin(req,res);
\r
107 app.post("/admin",function(req,res){
\r
108 if(req.session.items.token != req.body.token)
\r
110 res.send($invaild_token_message);
\r
113 if(typeof(req.body.erase) != "undefined")
\r
115 removeLog(req.body.file,function(){
\r
116 renderAdmin(req,res);
\r
119 if(typeof(req.body.registor) != "undefined")
\r
121 ipbanlist.Update(req.body.newbanlist,function(){
\r
122 renderAdmin(req,res);
\r
125 if(typeof(req.body.updateroom) != "undefined")
\r
127 $rooms.Update(req.body.newroomlist,function(){
\r
128 renderAdmin(req,res);
\r
133 function renderAdmin(req,res)
\r
135 var auth_string = getRandomString($token_length);
\r
136 req.session.items = {token:auth_string};
\r
137 var iplist = ipbanlist.GetText();
\r
139 fs.readdir($log_directory,function(err,list){
\r
140 res.render("admin", {
\r
142 log_directory:$log_directory,
\r
145 roomlist:$rooms.GetString()
\r
150 function getRandomString(length)
\r
152 var RandomString = "";
\r
153 var BaseString ="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!#$%&'()=~|-^\@[;:],./\`{+*}<>?_";
\r
154 for(var i=0; i<length; i++) {
\r
155 RandomString += BaseString.charAt( Math.floor( Math.random() * BaseString.length));
\r
157 return RandomString
\r
160 function removeLog(files,callback)
\r
163 function(item,callback){
\r
164 fs.unlink($log_directory + "/" + item,callback);
\r
166 function(err,results){
\r
167 if(typeof(callback) == "function")
\r
173 console.log("Express server listening on port %d in %s mode", app.address().port, app.settings.env);
\r
179 var io = require("socket.io").listen(app);
\r
180 io.configure('production', function(){
\r
181 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
182 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
183 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
185 var clients = new Array();
\r
187 var ipbanlist = new IpBanCollecion();
\r
188 var $rooms = new RoomInfomationCollection();
\r
190 createLogDirectory();
\r
192 for(var i = 0; i < $max_room_number; i++)
\r
195 .of(GetNameFromRoomNumber(i))
\r
196 .authorization(ParseAuthorization)
\r
197 .on("connection", function (socket) {
\r
198 var ip = GetClientIPAdress(socket);
\r
200 console.log("connected from %s",ip);
\r
202 var rno = GetRoomNumberFromName(socket.namespace.name);
\r
203 var roomconfig = {};
\r
204 $rooms.Get(rno).AddRom(ip);
\r
205 if($rooms.Get(rno).IsVolatile() == false)
\r
207 if($rooms.Get(rno).IsFixedPassword())
\r
208 roomconfig.type = 2;
\r
209 else if($rooms.Get(rno).IsHiddenLogFromRom())
\r
210 roomconfig.type = 3;
\r
212 roomconfig.type = 1;
\r
213 roomconfig.IsOwned = !$rooms.Get(rno).IsFirstAuth();
\r
215 roomconfig.type = 0;
\r
217 socket.json.emit("send roominfo",roomconfig);
\r
219 var romcount = $rooms.Get(rno).GetRomCount();
\r
220 socket.json.emit("send romcount",romcount);
\r
221 socket.json.broadcast.emit("send romcount",romcount);
\r
223 socket.on("get pastLogList", function (msg) {
\r
224 ParseGetPastLogList(socket,msg);
\r
226 socket.on("get pastLog", function (msg) {
\r
227 ParseGetPastLog(socket,msg);
\r
229 socket.on("join",function(msg){
\r
230 ParseJoin(socket,msg);
\r
232 socket.on("quit",function(msg){
\r
233 ParseQuit(socket,msg);
\r
235 socket.on("set password",function(msg){
\r
236 ParseSetPassword(socket,msg);
\r
238 socket.on("send msg", function (msg) {
\r
239 ParseSendMsg(socket,msg);
\r
241 socket.on("disconnect", function (msg) {
\r
242 ParseDisconnect(socket,msg);
\r
247 function createLogDirectory()
\r
249 path.exists($log_directory,function(exists){
\r
250 if(exists == false)
\r
251 fs.mkdirSync($log_directory);
\r
255 function ParseAuthorization(handshakeData, callback)
\r
257 if(handshakeData.headers.cookie) {
\r
258 var cookie = handshakeData.headers.cookie;
\r
259 var sessionID = parseCookie(cookie)["connect.sid"];
\r
260 sessionStore.get(sessionID, function (err, session) {
\r
262 if (ipbanlist.IsBaned(handshakeData.address.address))
\r
263 result = "failed get from session store";
\r
266 else if(handshakeData.query.token != session.items.token)
\r
267 result = "invaild token";
\r
268 sessionStore.destroy(sessionID);
\r
269 callback(result,result == null && !err);
\r
272 return callback("failed get cookie", false);
\r
276 function ParseDisconnect(socket,msg)
\r
278 var ip = GetClientIPAdress(socket);
\r
279 var rno = GetRoomNumberFromName(socket.namespace.name);
\r
280 $rooms.Get(rno).RemoveRom(ip);
\r
282 var romcount = $rooms.Get(rno).GetRomCount();
\r
283 socket.json.emit("send romcount",romcount);
\r
284 socket.json.broadcast.emit("send romcount",romcount);
\r
286 console.log("disconnected");
\r
289 function ParseSetPassword(socket,msg)
\r
291 var rno = GetRoomNumberFromName(socket.namespace.name);
\r
296 if($rooms.Get(rno).IsVolatile() == false && $rooms.Get(rno).SetPassword(msg.owner,msg.password))
\r
297 newMeg.message = $password_setted_message;
\r
299 newMeg.message = $failed_set_password_message;
\r
300 ParseSendMsg(socket,newMeg);
\r
303 function ParseJoin(socket,msg)
\r
305 var ip = GetClientIPAdress(socket);
\r
307 if(ipbanlist.IsBlockedToWrite(ip))
\r
309 socket.emit("error",$block_message);
\r
313 var rno = GetRoomNumberFromName(socket.namespace.name);
\r
315 $rooms.Get(rno).RemoveRom(ip);
\r
317 var romcount = $rooms.Get(rno).GetRomCount();
\r
318 socket.json.emit("send romcount",romcount);
\r
319 socket.json.broadcast.emit("send romcount",romcount);
\r
321 if($rooms.Get(rno).IsVolatile() == false)
\r
323 if($rooms.Get(rno).IsTimeout() ||
\r
324 $rooms.Get(rno).IsFirstAuth())
\r
326 $rooms.Get(rno).Reset(msg.name);
\r
327 ParseGetPastLog(socket,util.format($log_file_name,rno));
\r
329 else if($rooms.Get(rno).Auth(msg.name,msg.password))
\r
331 ParseGetPastLog(socket,util.format($log_file_name,rno));
\r
335 socket.emit("error",$not_match_password);
\r
342 message:util.format("/enteredby %s %s %s",msg.name,msg.color,msg.mailto),
\r
344 ParseSendMsg(socket,newMeg);
\r
347 function ParseQuit(socket,msg)
\r
349 var ip = GetClientIPAdress(socket);
\r
351 if(ipbanlist.IsBlockedToWrite(ip))
\r
353 socket.emit("error",$block_message);
\r
357 var rno = GetRoomNumberFromName(socket.namespace.name);
\r
361 message:$password_resetted_message,
\r
364 $rooms.Get(rno).AddRom(ip);
\r
366 var romcount = $rooms.Get(rno).GetRomCount();
\r
367 socket.json.emit("send romcount",romcount);
\r
368 socket.json.broadcast.emit("send romcount",romcount);
\r
370 if($rooms.Get(rno).IsVolatile() == false)
\r
372 if($rooms.Get(rno).IsOwner(msg.name))
\r
374 $rooms.Get(rno).Reset(null);
\r
375 ParseSendMsg(socket,newMeg);
\r
377 if(!$rooms.Get(rno).IsFirstAuth() &&
\r
378 !$rooms.Get(rno).IsAuthed(msg.name))
\r
381 $rooms.Get(rno).RemoveAuth(msg.name);
\r
384 newMeg.message = util.format("/quitedby %s",msg.name);
\r
385 ParseSendMsg(socket,newMeg);
\r
390 function ParseSendMsg(socket,msg)
\r
392 var ip = GetClientIPAdress(socket);
\r
394 if(ip in ipbanlist)
\r
396 socket.emit("error",$block_message);
\r
400 var rno = GetRoomNumberFromName(socket.namespace.name);
\r
402 if(msg.name != $system_name &&
\r
403 $rooms.Get(rno).IsVolatile() == false &&
\r
404 !$rooms.Get(rno).IsAuthed(msg.name) &&
\r
405 !$rooms.Get(rno).IsOwner(rno,msg.name))
\r
410 var date = new Date();
\r
412 var repacked_msg = CreateMessage(msg.name,date,msg.message);
\r
414 socket.json.emit("req msg", repacked_msg);
\r
416 socket.json.broadcast.emit("req msg", repacked_msg);
\r
418 var path = $log_directory + "/" + util.format($log_file_name,rno);
\r
419 var log = new ChatLog(path);
\r
420 log.Save(repacked_msg,ip,rno);
\r
423 function GetNameFromRoomNumber(number)
\r
425 return "/" + number;
\r
428 function GetRoomNumberFromName(name)
\r
430 if(name.charAt(0) == "/")
\r
431 return parseInt(name.substr(1));
\r
432 throw "GetRoomNumberFromName error";
\r
435 function ParseGetPastLogList(socket,msg)
\r
437 var list = fs.readdir($log_directory,function(err,files){
\r
439 var rno = GetRoomNumberFromName(socket.namespace.name);
\r
440 var pattern = $pastlogfile_pattern.replace("%d",rno);
\r
441 for(var i = 0; i < files.length; i++)
\r
443 var logname = files[i];
\r
444 if(logname.match(pattern))
\r
445 text += files[i] + "\n";
\r
447 socket.emit("req pastloglist",text);
\r
451 function ParseGetPastLog(socket,file)
\r
455 var path = $log_directory + "/" + file;
\r
456 var log = new ChatLog(path);
\r
457 log.ToArray(function(array){
\r
458 socket.json.emit("req pastlog",array);
\r
462 function ChatLog(path)
\r
464 this.ToArray = function(callback)
\r
466 var state = fs.stat(path,function(err,state){
\r
469 var array = new Array();
\r
470 var stream = fs.createReadStream(path);
\r
473 .forEach(function(line){
\r
474 array.push(CreateMessageFromText(line.toString()));
\r
482 this.Save = function(msg,ip,rno){
\r
483 var text = GetTextFromMessage(msg,ip);
\r
485 SplitLog(rno,function(){
\r
486 WritePastLog(path,text);
\r
490 function GetTextFromMessage(msg,ip)
\r
492 var text = msg.name + "<>" +
\r
500 function SplitLog(rno,callback)
\r
502 var state = fs.stat(path,function(err,state){
\r
503 if(err && typeof(callback) == "function")
\r
508 if(state.size > $spilt_size)
\r
510 var date = new Date();
\r
511 var dateString = ""+date.getFullYear()+date.getMonth()+date.getDate()+date.getHours()+date.getMinutes()+date.getSeconds();
\r
513 var newpath = $log_directory + "/" +
\r
514 util.format($splited_log_file_name,rno,dateString);
\r
515 fs.rename(path,newpath,callback);
\r
517 if(typeof(callback) == "function")
\r
523 function WritePastLog(path,text)
\r
526 function(callback){
\r
527 fs.open(path,"a",callback);
\r
529 function(fd,callback){
\r
530 var buf = new Buffer(text);
\r
531 fs.write(fd,buf,0,Buffer.byteLength(text),null,function(){
\r
542 function GetClientIPAdress(socket)
\r
544 return socket.handshake.headers["x-forwarded-for"] || socket.handshake.address.address;
\r
548 function CreateMessage(name,date,message)
\r
550 var result = {name:name,
\r
555 function CreateMessageFromText(text)
\r
557 var data = text.split("<>");
\r
558 var msg = {name:data[0],
\r
564 //RoomInfomationCollecionクラス
\r
565 function RoomInfomationCollection()
\r
567 var collection = {};
\r
568 this.Get = function(rno){
\r
569 return collection[rno];
\r
571 this.IsContains = function(rno){
\r
572 return rno in collection;
\r
574 this.GetString = function(){
\r
576 for(var rno in collection)
\r
578 if($rooms.Get(rno).IsVolatile())
\r
580 var pass = collection[rno].password;
\r
583 var hiddenlog = collection[rno].hiddenlog;
\r
584 retval += rno + ":" + pass + ":" + hiddenlog + "\r\n";
\r
588 this.GetKeys = function(){
\r
590 for(var rno in collection)
\r
596 this.Update = function(text,callfunc){
\r
598 function(callback){
\r
599 fs.open($room_configure_file_name,"w",callback);
\r
601 function(fd,callback){
\r
602 var buf = new Buffer(text);
\r
603 fs.write(fd,buf,0,Buffer.byteLength(text),null,function(){
\r
607 function(fd,callback){
\r
608 fs.close(fd,function(){
\r
609 GetRoomList(callfunc);
\r
614 function GetRoomList(callback){
\r
616 path.exists($room_configure_file_name,function(exists){
\r
617 if(exists == false)
\r
619 if(typeof(callback) == "function")
\r
623 var stream = fs.createReadStream($room_configure_file_name);
\r
626 .forEach(function(line){
\r
627 var token = line.toString().replace(/(\r|\n|\r\n)/gm, "").split(":");
\r
628 if(token.length == 1)
\r
630 Add(token[0],null,false);
\r
632 else if(token.length == 2)
\r
634 var rno = token[0];
\r
635 var pass = token[1];
\r
638 Add(rno, pass,false);
\r
640 else if(token.length == 3)
\r
642 var rno = token[0];
\r
643 var pass = token[1];
\r
646 var hiddenlog = false;
\r
647 if(token[2] == "true")
\r
649 Add(rno, pass,hiddenlog);
\r
653 if(typeof(callback) == "function")
\r
660 for(var i = 0; i < $max_room_number; i++)
\r
663 function Add(rno,pass,hiddenlogflag){
\r
664 collection[rno] = new RoomInfomation(pass,hiddenlogflag);
\r
666 collection[rno].owner = $system_name;
\r
671 //RoomInfomationクラス
\r
672 function RoomInfomation(pass,hiddenlogflag)
\r
674 this.password = pass;
\r
675 this.rom_list = {};
\r
676 this.authed_list = {};
\r
679 this.hiddenlog = hiddenlogflag;
\r
680 this.IsVolatile = function(){
\r
681 return this.owner == null &&
\r
682 this.password == null &&
\r
685 this.GetRomCount = function(){
\r
687 for(var key in this.rom_list)
\r
691 this.AddRom = function(ip){
\r
692 var date = new Date();
\r
693 this.rom_list[ip] = {time:date.getTime()};
\r
695 this.RemoveRom = function(ip){
\r
696 delete this.rom_list[ip];
\r
698 this.Reset = function(owner){
\r
699 var date = new Date();
\r
700 var time = date.getTime();
\r
701 this.password = null;
\r
702 this.authed_list = {};
\r
703 this.owner = owner;
\r
706 this.IsFirstAuth = function(){
\r
707 return this.owner == null;
\r
709 this.IsAuthed = function(name){
\r
710 return name == this.owner ||
\r
711 name in this.authed_list;
\r
713 this.IsHiddenLogFromRom = function(){
\r
714 return this.hiddenlog;
\r
716 this.IsFixedPassword = function(){
\r
717 return this.owner == $system_name;
\r
719 this.IsOwner = function(name){
\r
720 return this.owner == name;
\r
722 this.IsTimeout = function(){
\r
723 var date = new Date();
\r
724 var current_time = date.getTime();
\r
725 return !this.IsFixedPassword() &&
\r
726 current_time - this.time >= $reset_password_diff;
\r
728 this.RemoveAuth = function(name)
\r
730 delete this.authed_list[name];
\r
732 this.Auth = function(name,password){
\r
733 if(this.password != password)
\r
735 var date = new Date();
\r
736 var time = date.getTime();
\r
738 this.authed_list[name] = "";
\r
741 this.SetPassword = function(owner,password){
\r
742 if(owner == this.owner &&
\r
743 !this.IsFixedPassword() &&
\r
744 !this.IsHiddenLogFromRom())
\r
746 var date = new Date();
\r
747 this.time = date.getTime();
\r
748 this.password = password;
\r
753 var $gc_interval_id = setInterval(function(){
\r
754 var date = new Date();
\r
755 var current_time = date.getTime();
\r
756 for(var ip in this.rom_list)
\r
758 if(current_time - this.rom_list[ip].time >= $gc_time_interval)
\r
759 delete this.rom_list[ip];
\r
761 },$gc_time_interval);
\r
765 function IpBanCollecion()
\r
767 var collection = {};
\r
768 this.IsBaned = function(ip){
\r
769 return collection[ip] == "r";
\r
771 this.IsBlockedToWrite = function(ip){
\r
772 return ip in collection;
\r
774 this.GetText = function(){
\r
776 for(var key in collection)
\r
778 if(collection[key] == "")
\r
779 text += key + "\r\n";
\r
781 text += key + ":" + collection[key] + "\r\n";
\r
785 this.Update = function(text,callfunc){
\r
787 function(callback){
\r
788 fs.open($ip_ban_list_file_name,"w",callback);
\r
790 function(fd,callback){
\r
791 var buf = new Buffer(text);
\r
792 fs.write(fd,buf,0,Buffer.byteLength(text),null,function(){
\r
796 function(fd,callback){
\r
797 fs.close(fd,function(){
\r
798 GetIpBanList(callfunc);
\r
803 function GetIpBanList(callback)
\r
806 path.exists($ip_ban_list_file_name,function(exists){
\r
807 if(exists == false)
\r
809 if(typeof(callback) == "function")
\r
813 var stream = fs.createReadStream($ip_ban_list_file_name);
\r
816 .forEach(function(line){
\r
817 var token = line.toString().replace(/(\r|\n|\r\n)/gm, "").split(":");
\r
819 if(token.length == 1)
\r
820 collection[ip] = "";
\r
822 collection[ip] = token[1];
\r
825 if(typeof(callback) == "function")
\r