/
server.js
executable file
·111 lines (90 loc) · 2.69 KB
/
server.js
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var io = require('socket.io').listen(3000);
var validator = require('validator');
var sprintf = require('sprintf').sprintf;
var setting = require('./setting');
var users = {};
io.sockets.on('connection', function(socket) {
socket.emit('iconPath', setting.iconPath)
socket.emit('iconList', setting.iconList);
socket.emit('colorList', setting.colorList);
socket.emit('memberList', users);
socket.on('join', join);
socket.on('leave', leave);
socket.on('talk', talk);
socket.on('disconnect', leave);
function join(data) {
var user = {
id: socket.id,
nickname: toText(data.nickname),
iconId: toInt(data.iconId),
colorId: toInt(data.colorId)
};
try {
validator.check(user.nickname).notEmpty().len(1, 40);
validator.check(user.iconId).isInt().min(0).max(setting.iconList.length);
validator.check(user.colorId).isInt().min(0).max(setting.colorList.length);
user.icon = setting.iconList[user.iconId];
user.color = setting.colorList[user.colorId];
users[socket.id] = user;
socket.emit('joined');
socket.emit('memberJoin', user);
socket.broadcast.emit('memberJoin', user);
sendMessage(setting.systemUser, user.nickname + 'さんが入室しました。');
} catch(e) {
socket.emit('error', e);
}
}
function leave() {
var user = users[socket.id];
if (user != null) {
socket.emit('leaved');
socket.emit('memberLeave', user);
socket.broadcast.emit('memberLeave', user);
sendMessage(setting.systemUser, user.nickname + 'さんが退室しました。');
delete users[socket.id];
}
}
function talk(message) {
var message = toText(message);
var user = users[socket.id];
try {
isDefined(user);
validator.check(message).notEmpty();
sendMessage(user, message);
} catch (e) {
socket.emit('error', e);
}
}
function sendMessage(user, message) {
var data = {
user: user,
message: message,
time: getLocaleString(),
}
socket.emit('talk', data);
socket.broadcast.emit('talk', data);
};
});
// validator & sanitizer
function toText(data) {
data = validator.sanitize(data).trim();
data = validator.sanitize(data).xss();
return data;
}
function toInt(data) {
return validator.sanitize(data).toInt();
}
function isDefined(data) {
if (data == null) {
throw 'undefined';
}
}
function notDefined(data) {
if (data != null) {
throw 'defined';
}
}
function getLocaleString() {
var date = new Date();
return sprintf("%04d年%02d月%02d日 %02d:%02d:%02d", date.getFullYear(), date.getMonth() + 1, date.getDate(), date.getHours(), date.getMinutes(), date.getSeconds());
}