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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title class="lang" key="Title">NataChat Demo</title>
<link rel="stylesheet" href="https://fastly.jsdelivr.net/npm/[email protected]/dist/css/mdui.min.css" />
<script src="https://fastly.jsdelivr.net/npm/[email protected]/dist/js/mdui.min.js"></script>
<script src="https://cdn.bootcss.com/crypto-js/3.1.9-1/crypto-js.js"></script>
</head>
<body class="mdui-theme-primary-indigo">
<div class="mdui-toolbar mdui-color-theme mdui-shadow-4">
<span class="mdui-typo-title lang" key="Title">NataChat</span>
<div class="mdui-toolbar-spacer">
</div>
<ul class="mdui-menu" id="langmenu">
<li class="mdui-menu-item">
<a href="javascript:;" id="en" class="translate mdui-ripple">English</a>
</li>
<li class="mdui-menu-item">
<a href="javascript:;" id="zh" class="translate mdui-ripple">简体中文</a>
</li>
<li class="mdui-menu-item">
<a href="javascript:;" id="jp" class="translate mdui-ripple">日本語</a>
</li>
</ul>
<button class="mdui-btn mdui-btn-icon " mdui-tooltip="{content: 'Language/语言'}" mdui-menu="{target: '#langmenu'}">
<i class="mdui-icon material-icons" >language</i>
</button>
<a href="javascript:location.reload();" class="mdui-btn mdui-btn-icon " mdui-tooltip="{content: 'Refresh/刷新'}">
<i class="mdui-icon material-icons">refresh</i>
</a>
</div>
<div class="mdui-container pjax-container">
<div class="mdui-row">
<div class="mdui-col-sm-12 mdui-col-md-12">
<div class="mdui-card " style="margin-block: 10px;">
<div class="mdui-card-content" >
<i class='mdui-icon material-icons'>info_outline</i> <div class="lang" key="NatachatGithub" style="display:inline;">NataChat is a Open Soucre Project on Github.</div>
<a class='mdui-ripple mdui-text-color-black-text lang' href='https://github.com/ZGIT-Network/NataChat' target='_blank' key="GoToGithub">Click here to Repository</a>
</div>
</div>
<div class="mdui-panel" mdui-panel>
<div class="mdui-panel-item mdui-panel-item-open" style="margin-block: 10px;" >
<div class="mdui-panel-item-header"><div class="lang" key="Config" style="display:inline"></div>
<i class="mdui-panel-item-arrow mdui-icon material-icons">keyboard_arrow_down</i>
</div>
<div class="mdui-panel-item-body">
<div class="mdui-textfield">
<label class="mdui-textfield-label lang" key="Server Address"></label>
<input class="mdui-textfield-input" id='host' placeholder="Server ip" value="ws://127.0.0.1:8765" />
<button class="mdui-btn mdui-shadow-3 mdui-ripple lang" onclick="connect()" id="con" key="Connect to a Natachat Server"></button>
</div>
<div class="mdui-textfield">
<label class="mdui-textfield-label lang" key="Username"></label>
<input class="mdui-textfield-input" id='username' maxlength="25" placeholder="username">
</div>
</div>
</div>
</div>
<div class="mdui-card " style="margin-block: 10px;">
<div class="mdui-card-primary lang" key="Message"></div>
<div class="mdui-card-content">
<div style="height:500px; overflow-y:auto;" class="mdui-shadow-0" id="content">
<ul class="mdui-list ">
<div id="output" style="margin: 5px;">
</div>
</ul>
</div>
<div class="mdui-textfield">
<label class="mdui-textfield-label lang" key="Input"></label>
<textarea class="mdui-textfield-input" placeholder="Enter Here..." id="msg" rows="5" maxlength="500" disabled onkeyup="EnterKey()"></textarea>
</div>
<button onclick="send()" id="send" class="mdui-btn mdui-shadow-3 mdui-ripple" disabled><div class="lang" key="Send" style="display:inline"></div>
<i class="mdui-icon material-icons"></i>
</button>
</div>
</div>
</div>
</div>
</div>
<div class="mdui-dialog" id="dialog">
<div class="mdui-dialog-title lang" key="Warning" id="dialog-title"></div>
<div class="mdui-dialog-content" id="dialog-info"></div>
<div class="mdui-dialog-actions">
<button class="mdui-btn mdui-ripple lang" key="OK" id="dialog-btn" mdui-dialog-confirm>OK</button>
</div>
</div>
<script src="https://fastly.jsdelivr.net/npm/[email protected]/dist/jquery.min.js">
</script>
<script type="text/javascript" src="language.json"></script>
<script>
//语言库1（前端语言库）Language library 1 (front-end language library)
// The default language is English
var lang = "en";
// Check for localStorage support
if('localStorage' in window){
var lang = localStorage.getItem('lang') || navigator.language.slice(0, 2);
if (!Object.keys(arrLang).includes(lang)) lang = 'en';
}
$(document).ready(function() {
$(".lang").each(function(index, element) {
$(this).text(arrLang[lang][$(this).attr("key")]);
});
});
// get/set the selected language
$(".translate").click(function() {
var lang = $(this).attr("id");
window.location.reload();
// update localStorage key
if('localStorage' in window){
localStorage.setItem('lang', lang);
console.log( localStorage.getItem('lang') );
}
$(".lang").each(function(index, element) {
$(this).text(arrLang[lang][$(this).attr("key")]);
});
});
</script>
<script>
//语言库2 后端js语言库 Language library 2 backend js language library
if (lang == "zh") {
var LanguageJson = arrLang.zh;
}
if (lang == "en"){
var LanguageJson = arrLang.en;
}
if (lang == "jp"){
var LanguageJson = arrLang.jp;
}
</script>
<script>
var $ = mdui.$;
document.getElementById('indexhtml').lang = lang;
var inst = new mdui.Dialog('#dialog');
var connections = false;
var aesKey = randomString(32, '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ');
console.log("AES-KEY: "+aesKey);
writeToScreen(LanguageJson.encryptedmessage);
window.onload = function autoconnect() {
var id = "";
id = getCookie('UserID');
if (id == ""){
id = Math.ceil(Math.random() * 10000) ;
setCookie('UserID', id, 365);
document.getElementById('username').value = getCookie('Username')+id;
}
if (username == "") {
var uname = document.getElementById('username').value ;
document.getElementById('username').value = "guest" + id;
};
document.getElementById('username').value = getCookie('Username');
setTimeout(connect(), 5000);
console.log('UID: #'+id);
};
function setCookie(cname,cvalue,exdays){
var d = new Date();
d.setTime(d.getTime()+(exdays*24*60*60*1000));
var expires = "expires="+d.toGMTString();
document.cookie = cname+"="+cvalue+"; "+expires;
}
function getCookie(cname){
var name = cname + "=";
var ca = document.cookie.split(';');
for(var i=0; i<ca.length; i++) {
var c = ca[i].trim();
if (c.indexOf(name)==0) { return c.substring(name.length,c.length); }
}
return "";
}
function EnterKey(event) {
event = event || window.event;
if (event.keyCode == 13) {
send();
};
};
function connect() {
if (username.value == "") {
mdui.snackbar({
message: LanguageJson.Pleasesetausername,
position: 'right-bottom',
});
} else {
setCookie('Username', document.getElementById('username').value, 30);
if (connections == false) {
console.log('Connecting...') ;
var status1 = 0;
//ws = new WebSocket(host.value+':'+ port.value)
ws = new WebSocket(host.value + '/user/' + username.value + getCookie('UserID')+'||'+aesKey) ;
ws.onopen = function(evt) {
console.log(LanguageJson.XSSWARN);
mdui.snackbar({
message: LanguageJson.ServerConnected,
position: 'right-bottom',
});
};
ws.onmessage = function(evt) {
writeToScreen(evt.data);
document.getElementById('con').innerHTML = LanguageJson.DISCONNECT;
document.getElementById('host').disabled = true ;
document.getElementById('username').disabled = true ;
status1++;
document.getElementById('send').disabled = false;
// document.getElementById('clear').disabled = false
document.getElementById('msg').disabled = false;
connections = true;
};
ws.onerror = function() {
console.log('%c'+ConnectingFailed, 'color: red') ;
mdui.snackbar({
message: LanguageJson.CannotConnect,
position: 'right-bottom',
});
document.getElementById('dialog-info').innerHTML = LanguageJson.CannotConnect;
document.getElementById('dialog-title').innerHTML = LanguageJson.Warning
document.getElementById('dialog-btn').innerHTML = LanguageJson.Iknow
inst.open();
//writeToScreen("<p style=\'color: #610B0B;\'>Can\'t connect to the server. Is the server IP and port correct? Is the server started?</p>");
connections = false;
};
} else {
disconnect();
};
};
};
function disconnect() {
ws.close()
ws.onclose = function(evt) {
connections = false;
// writeToScreen('Disconnected!');
mdui.snackbar({
message: LanguageJson.DISCONNECT,
position: 'right-bottom',
});
document.getElementById('con').innerHTML = LanguageJson.ConnecttoaNatachatServer;
document.getElementById('host').disabled = false ;
document.getElementById('username').disabled = false;
// document.getElementById('status').style.visibility="hidden"
document.getElementById('send').disabled = true;
//document.getElementById('clear').disabled = true
document.getElementById('msg').disabled = true;
console.log(Disconnect);
};
};
function send() {
message = msg.value;
if (ws.readyState === 1) {
if (message == '\n' || message == '' || message=='\n\n' || message=='\n\n\n') {
document.getElementById('msg').value = "";
mdui.snackbar({
message: LanguageJson.Cannotsendemptymessagetoserver,
position: 'right-bottom',
});
document.getElementById('dialog-info').innerHTML = LanguageJson.Cannotsendemptymessagetoserver;
document.getElementById('dialog-title').innerHTML = LanguageJson.Warning
document.getElementById('dialog-btn').innerHTML = LanguageJson.Iknow
inst.open();
// writeToScreen("<p style='color: #610B0B;'>Cannot send empty message to server!</p>");
} else {
//加密信息
var encrypt = CryptoJS.AES.encrypt(message, CryptoJS.enc.Utf8.parse(aesKey), // 参数1=密钥, 参数2=加密内容
{
mode: CryptoJS.mode.ECB, // 为DES的工作方式
padding: CryptoJS.pad.ZeroPadding // 当加密后密文长度达不到指定整数倍(8个字节、16个字节)则填充对应字符
}
).toString(); // toString=转字符串类型
console.log("Encrypted/已加密："+encrypt); // 控制台打印
ws.send(encrypt);
document.getElementById('msg').value = "";
};
} else {
document.getElementById('con').disabled = false ;
document.getElementById('host').disabled = false ;
document.getElementById('username').disabled = false;
// document.getElementById('status').style.visibility="hidden"
document.getElementById('send').disabled = true;
// document.getElementById('clo').disabled = true
// document.getElementById('clear').disabled = true
document.getElementById('msg').disabled = true;
document.getElementById('con').innerHTML = LanguageJson.ConnecttoaNatachatServer;
// writeToScreen("<p style='color: red;'>Server Connection Lost!</p>");
mdui.snackbar({
message: LanguageJson.ServerConnectionLost,
position: 'right-bottom',
});
document.getElementById('dialog-info').innerHTML = LanguageJson.Cannotsendemptymessagetoserver;
document.getElementById('dialog-title').innerHTML = LanguageJson.Warning;
document.getElementById('dialog-btn').innerHTML = LanguageJson.Reload;
$('#dialog').on('confirm.mdui.dialog', function () {
window.location.reload()
console.log('confirm');
});
inst.open();
};
};
function writeToScreen(message) {
var pre = document.createElement("li");
pre.setAttribute("class", "mdui-list-item mdui-ripple item-body");
mdui.mutation();
var msg = message.replace(/<style.*?>|<\/style>/ig, "").replace(/<link.*?>|<\/link>/ig, "").replace(/<script.*?>|<\/script>/ig, "").replace(/onerror=".*?"/ig, "").replace(/onclick=".*?"/ig, "").replace(/onerror=.*?/ig, "").replace(/<iframe.*?/ig, "").replace(/onclick=.*?/ig, "").replace(/<embed.*?/ig, "").replace(/<input.*?/ig, "").replace(/<iframe.*?>|<\/iframe>/ig, "").replace(/<textarea.*?>|<\/textarea>/ig, "").replace(/<meta.*?>|<\/meta>/ig, "").replace(/javascript:*?/ig, "").replace(/onresize*?/ig, "").replace(/onload*?/ig, "").replace(/mouseenter*?/ig, "").replace(/onplay=*?/ig, "").replace(/onplaying*?/ig, "").replace(/oncanplay*?/ig, "").replace(/<video.*?/ig, "").replace(/<canvas.*?/ig, "").replace(/\n/ig, "<br>");
pre.innerHTML = msg.replace(/<iframe.*?>|<\/iframe>/ig, "");
output.appendChild(pre);
document.getElementById('content').scrollTop = document.getElementById('content').scrollHeight;
console.log(message);
console.log('Filtered/已过滤：\n' + msg.replace(/<iframe.*?>|<\/iframe>/ig, ""));
};
function clear() {
document.getElementById('output').innerHTML = '';
var elem = document.getElementById('output');
elem.removeChild(elem);
};
function randomString(length, chars) {
var result = '';
for (var i = length; i > 0; --i) result += chars[Math.floor(Math.random() * chars.length)];
return result;
};
</script>
</body>
</html>