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 $logfile_pattern = "logfile[0-9]+(_*.*)?\.txt" //過去ログと判定する正規表現
\r
29 * Module dependencies.
\r
33 var express = require('express');
\r
35 var app = module.exports = express.createServer();
\r
37 var util = require("util");
\r
39 var lazy = require("lazy");
\r
41 var fs = require("fs");
\r
43 var parseCookie = require("connect").utils.parseCookie;
\r
45 var RedisStore = require("connect-redis")(express);
\r
46 var sessionStore = new RedisStore({host:$redisHost,port:$redisPort,pass:$redisPassword});
\r
48 var async = require("async");
\r
50 var path = require("path");
\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
64 secret: "5514EA2B-C9B2-4D65-8D81-1F33A180A0C2",
\r
65 cookie: { httpOnly: false }
\r
67 app.use(app.router);
\r
68 app.use(express.static(__dirname + "/public"));
\r
71 app.configure('development', function(){
\r
72 app.use(express.errorHandler({ dumpExceptions: true, showStack: true }));
\r
75 app.configure('production', function(){
\r
76 app.use(express.errorHandler());
\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
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
90 app.all("/log/" + $logfile_pattern,express.basicAuth(function (user, pass) {
\r
91 return user === $username && pass === $password;
\r
94 app.get("/log/" + $logfile_pattern, function(req, res){
\r
95 res.sendfile(__dirname + req.url);
\r
98 app.all("/admin",express.basicAuth(function (user, pass) {
\r
99 return user === $username && pass === $password;
\r
102 app.get("/admin", function(req, res){
\r
103 renderAdmin(req,res);
\r
106 app.post("/admin",function(req,res){
\r
107 if(req.session.items.token != req.body.token)
\r
109 res.send($invaild_token_message);
\r
112 if(typeof(req.body.erase) != "undefined")
\r
114 removeLog(req.body.file,function(){
\r
115 renderAdmin(req,res);
\r
118 if(typeof(req.body.registor) != "undefined")
\r
120 ipbanlist.Update(req.body.newbanlist,function(){
\r
121 renderAdmin(req,res);
\r
124 if(typeof(req.body.updateroom) != "undefined")
\r
126 $rooms.Update(req.body.newroomlist,function(){
\r
127 renderAdmin(req,res);
\r
132 function renderAdmin(req,res)
\r
134 var auth_string = getRandomString($token_length);
\r
135 req.session.items = {token:auth_string};
\r
136 var iplist = ipbanlist.GetText();
\r
138 fs.readdir($log_directory,function(err,list){
\r
139 res.render("admin", {
\r
141 log_directory:$log_directory,
\r
144 roomlist:$rooms.GetString()
\r
149 function getRandomString(length)
\r
151 var RandomString = "";
\r
152 var BaseString ="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!#$%&'()=~|-^\@[;:],./\`{+*}<>?_";
\r
153 for(var i=0; i<length; i++) {
\r
154 RandomString += BaseString.charAt( Math.floor( Math.random() * BaseString.length));
\r
156 return RandomString
\r
159 function removeLog(files,callback)
\r
162 function(item,callback){
\r
163 fs.unlink($log_directory + "/" + item,callback);
\r
165 function(err,results){
\r
166 if(typeof(callback) == "function")
\r
172 console.log("Express server listening on port %d in %s mode", app.address().port, app.settings.env);
\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
184 var clients = new Array();
\r
186 var ipbanlist = new IpBanCollecion();
\r
187 var $rooms = new RoomInfomationCollection();
\r
189 createLogDirectory();
\r
191 for(var i = 0; i < $max_room_number; i++)
\r
194 .of(GetNameFromRoomNumber(i))
\r
195 .authorization(ParseAuthorization)
\r
196 .on("connection", function (socket) {
\r
197 console.log("connected from %s",GetClientIPAdress(socket));
\r
199 var rno = GetRoomNumberFromName(socket.namespace.name);
\r
200 var roomconfig = {};
\r
201 if($rooms.IsFixedPassword(rno))
\r
202 roomconfig.type = 2;
\r
203 else if($rooms.IsContains(rno))
\r
204 roomconfig.type = 1;
\r
206 roomconfig.type = 0;
\r
207 roomconfig.IsOwned = !$rooms.IsFirstAuth(rno);
\r
208 socket.json.emit("send roominfo",roomconfig);
\r
210 socket.on("get pastLogList", function (msg) {
\r
211 ParseGetPastLogList(socket,msg);
\r
213 socket.on("get pastLog", function (msg) {
\r
214 ParseGetPastLog(socket,msg);
\r
216 socket.on("join",function(msg){
\r
217 ParseJoin(socket,msg);
\r
219 socket.on("quit",function(msg){
\r
220 ParseQuit(socket,msg);
\r
222 socket.on("set password",function(msg){
\r
223 ParseSetPassword(socket,msg);
\r
225 socket.on("send msg", function (msg) {
\r
226 ParseSendMsg(socket,msg);
\r
228 socket.on("disconnect", function (msg) {
\r
229 ParseDisconnect(socket,msg);
\r
234 function createLogDirectory()
\r
236 path.exists($log_directory,function(exists){
\r
237 if(exists == false)
\r
238 fs.mkdirSync($log_directory);
\r
242 function ParseAuthorization(handshakeData, callback)
\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
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
257 return callback("failed get cookie", false);
\r
261 function ParseDisconnect(socket,msg)
\r
263 console.log("disconnected");
\r
266 function ParseSetPassword(socket,msg)
\r
268 var rno = GetRoomNumberFromName(socket.namespace.name);
\r
273 if($rooms.SetPassword(rno,msg.owner,msg.password))
\r
274 newMeg.message = $password_setted_message;
\r
276 newMeg.message = $failed_set_password_message;
\r
277 ParseSendMsg(socket,newMeg);
\r
280 function ParseJoin(socket,msg)
\r
282 var ip = GetClientIPAdress(socket);
\r
284 if(ipbanlist.IsBlockedToWrite(ip))
\r
286 socket.emit("error",$block_message);
\r
290 var rno = GetRoomNumberFromName(socket.namespace.name);
\r
291 if($rooms.IsContains(rno))
\r
293 if($rooms.IsTimeout(rno) ||
\r
294 $rooms.IsFirstAuth(rno))
\r
296 $rooms.Reset(rno,msg.name);
\r
297 ParseGetPastLog(socket,util.format($log_file_name,rno));
\r
299 else if($rooms.Auth(rno,msg.name,msg.password))
\r
301 ParseGetPastLog(socket,util.format($log_file_name,rno));
\r
305 socket.emit("error",$not_match_password);
\r
312 message:util.format("/enteredby %s %s %s",msg.name,msg.color,msg.mailto),
\r
314 ParseSendMsg(socket,newMeg);
\r
317 function ParseQuit(socket,msg)
\r
319 var ip = GetClientIPAdress(socket);
\r
321 if(ipbanlist.IsBlockedToWrite(ip))
\r
323 socket.emit("error",$block_message);
\r
327 var rno = GetRoomNumberFromName(socket.namespace.name);
\r
331 message:$password_resetted_message,
\r
333 if($rooms.IsContains(rno))
\r
335 if($rooms.IsOwner(rno,msg.name))
\r
337 $rooms.Reset(rno,null);
\r
338 ParseSendMsg(socket,newMeg);
\r
340 if(!$rooms.IsFirstAuth(rno) &&
\r
341 !$rooms.IsAuthed(rno,msg.name))
\r
344 $rooms.RemoveAuth(rno,msg.name);
\r
347 newMeg.message = util.format("/quitedby %s",msg.name);
\r
348 ParseSendMsg(socket,newMeg);
\r
353 function ParseSendMsg(socket,msg)
\r
355 var ip = GetClientIPAdress(socket);
\r
357 if(ip in ipbanlist)
\r
359 socket.emit("error",$block_message);
\r
363 var rno = GetRoomNumberFromName(socket.namespace.name);
\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
373 var date = new Date();
\r
375 var repacked_msg = CreateMessage(msg.name,date,msg.message);
\r
377 socket.json.emit("req msg", repacked_msg);
\r
379 socket.json.broadcast.emit("req msg", repacked_msg);
\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
386 function GetNameFromRoomNumber(number)
\r
388 return "/" + number;
\r
391 function GetRoomNumberFromName(name)
\r
393 if(name.charAt(0) == "/")
\r
394 return parseInt(name.substr(1));
\r
395 throw "GetRoomNumberFromName error";
\r
398 function ParseGetPastLogList(socket,msg)
\r
400 var list = fs.readdir($log_directory,function(err,files){
\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
406 var logname = files[i];
\r
407 if(logname.match(pattern))
\r
408 text += files[i] + "\n";
\r
410 socket.emit("req pastloglist",text);
\r
414 function ParseGetPastLog(socket,file)
\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
425 function ChatLog(path)
\r
427 this.ToArray = function(callback)
\r
429 var state = fs.stat(path,function(err,state){
\r
432 var array = new Array();
\r
433 var stream = fs.createReadStream(path);
\r
436 .forEach(function(line){
\r
437 array.push(CreateMessageFromText(line.toString()));
\r
445 this.Save = function(msg,ip,rno){
\r
446 var text = GetTextFromMessage(msg,ip);
\r
448 SplitLog(rno,function(){
\r
449 WritePastLog(path,text);
\r
453 function GetTextFromMessage(msg,ip)
\r
455 var text = msg.name + "<>" +
\r
463 function SplitLog(rno,callback)
\r
465 var state = fs.stat(path,function(err,state){
\r
466 if(err && typeof(callback) == "function")
\r
471 if(state.size > $spilt_size)
\r
473 var date = new Date();
\r
474 var dateString = ""+date.getFullYear()+date.getMonth()+date.getDate()+date.getHours()+date.getMinutes()+date.getSeconds();
\r
476 var newpath = $log_directory + "/" +
\r
477 util.format($splited_log_file_name,rno,dateString);
\r
478 fs.rename(path,newpath,callback);
\r
480 if(typeof(callback) == "function")
\r
486 function WritePastLog(path,text)
\r
489 function(callback){
\r
490 fs.open(path,"a",callback);
\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
505 function GetClientIPAdress(socket)
\r
507 return socket.handshake.headers["x-forwarded-for"] || socket.handshake.address.address;
\r
511 function CreateMessage(name,date,message)
\r
513 var result = {name:name,
\r
518 function CreateMessageFromText(text)
\r
520 var data = text.split("<>");
\r
521 var msg = {name:data[0],
\r
527 //RoomInfomationCollecionクラス
\r
528 function RoomInfomationCollection()
\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
540 this.IsContains = function(rno){
\r
541 return rno in collection;
\r
543 this.IsFirstAuth = function(rno){
\r
544 if(!this.IsContains(rno) || typeof(collection[rno].owner) == "undefined")
\r
546 return collection[rno].owner == null;
\r
548 this.IsAuthed = function(rno,name){
\r
549 if(!this.IsContains(rno))
\r
551 return name == collection[rno].owner ||
\r
552 name in collection[rno].authed_list;
\r
554 this.IsFixedPassword = function(rno){
\r
555 if(!this.IsContains(rno))
\r
557 return collection[rno].owner == $system_name;
\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
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 >= $reset_password_diff);
\r
572 this.RemoveAuth = function(rno,name)
\r
574 delete collection[rno].authed_list[name];
\r
576 this.Auth = function(rno,name,password){
\r
577 if(typeof(collection[rno].password) != "undefined" &&
\r
578 collection[rno].password != password)
\r
580 var date = new Date();
\r
581 var time = date.getTime();
\r
582 collection[rno].time = time;
\r
583 collection[rno].authed_list[name] = "";
\r
586 this.SetPassword = function(rno,owner,password){
\r
587 if(this.IsContains(rno) &&
\r
588 owner == collection[rno].owner &&
\r
589 !this.IsFixedPassword(rno))
\r
591 var date = new Date();
\r
592 collection[rno].time = date.getTime();
\r
593 collection[rno].password = password;
\r
595 console.log(util.format("password is seted to %s in %s",password,rno));
\r
600 this.GetString = function(){
\r
602 for(var rno in collection)
\r
604 var pass = collection[rno].password;
\r
607 retval += rno + ":" + pass + "\r\n";
\r
611 this.GetKeys = function(){
\r
613 for(var rno in collection)
\r
619 this.Update = function(text,callfunc){
\r
621 function(callback){
\r
622 fs.open($room_configure_file_name,"w",callback);
\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
630 function(fd,callback){
\r
631 fs.close(fd,function(){
\r
632 GetRoomList(callfunc);
\r
637 function GetRoomList(callback){
\r
639 path.exists($room_configure_file_name,function(exists){
\r
640 if(exists == false)
\r
642 if(typeof(callback) == "function")
\r
646 var stream = fs.createReadStream($room_configure_file_name);
\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
653 Add(token[0],null);
\r
655 else if(token.length == 2)
\r
657 var rno = token[0];
\r
658 var pass = token[1];
\r
665 if(typeof(callback) == "function")
\r
673 function Add(rno,pass){
\r
674 collection[rno] = {time : null,
\r
679 collection[rno].owner = $system_name;
\r
686 function IpBanCollecion()
\r
688 var collection = {};
\r
689 this.IsBaned = function(ip){
\r
690 return collection[ip] == "r";
\r
692 this.IsBlockedToWrite = function(ip){
\r
693 return ip in collection;
\r
695 this.GetText = function(){
\r
697 for(var key in collection)
\r
699 if(collection[key] == "")
\r
700 text += key + "\r\n";
\r
702 text += key + ":" + collection[key] + "\r\n";
\r
706 this.Update = function(text,callfunc){
\r
708 function(callback){
\r
709 fs.open($ip_ban_list_file_name,"w",callback);
\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
717 function(fd,callback){
\r
718 fs.close(fd,function(){
\r
719 GetIpBanList(callfunc);
\r
724 function GetIpBanList(callback)
\r
727 path.exists($ip_ban_list_file_name,function(exists){
\r
728 if(exists == false)
\r
730 if(typeof(callback) == "function")
\r
734 var stream = fs.createReadStream($ip_ban_list_file_name);
\r
737 .forEach(function(line){
\r
738 var token = line.toString().replace(/(\r|\n|\r\n)/gm, "").split(":");
\r
740 if(token.length == 1)
\r
741 collection[ip] = "";
\r
743 collection[ip] = token[1];
\r
746 if(typeof(callback) == "function")
\r