meshenger/webapp.html

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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="cache-control" content="max-age=0" />
<meta http-equiv="cache-control" content="no-cache" />
<meta http-equiv="expires" content="0" />
<meta http-equiv="expires" content="Tue, 01 Jan 1980 1:00:00 GMT" />
<meta http-equiv="pragma" content="no-cache" />
<meta name="viewport" content="width=device-width, user-scalable=no">
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<style>
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body, html{margin: 0;padding: 0;}
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body{
font-size:20px;
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text-shadow: 1px 1px orange;
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font-family: times, 'times new roman', helvetica,serif;
line-height:1.5em;
color:#444;
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background:#fff;
background-image: url(css/marble.jpg);
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}
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textarea{
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-webkit-appearance: none; -moz-appearance: none;
display: block;
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margin-left: auto;
margin-right: auto;
width: 90%; height: 50px;
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line-height: 40px; font-size: 17px;
border: 1px solid #bbb;
-webkit-border-radius: 3px; -moz-border-radius: 3px; border-radius: 3px;
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background-image: url(css/aqua.jpg);
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font-family: inherit;
font-size: inherit;
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font-size: 20px;
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}
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button {
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display: block;
margin-left: auto;
margin-right: auto;
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margin: 1.5em 0;
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font-family: inherit;
font-size: inherit;
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font-size: 20px;
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}
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select{
width:100%;
display: block;
margin-left: auto;
margin-right: auto;
margin: 1.5em 0;
font-family: inherit;
font-size: inherit;
font-size: 20px;
}
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h2{
font-size: 40px;
}
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hr{
height:10px;
border: 10;
width:87%;
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background-image: url(css/bg1.gif);
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}
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ul{
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width:95%;
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//margin-left: 0px;
padding-left:30px;
}
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li{
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word-wrap:break-word;
list-style: none;
overflow: visible;
padding:30px;
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-moz-box-shadow:0 0 23px #bbb;
-webkit-box-shadow:0 0 23px #bbb;
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box-shadow:0 0 23px #bbb;
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-webkit-border-top-left-radius:123px;
-webkit-border-top-right-radius:123px;
-webkit-border-bottom-right-radius:123px;
-webkit-border-bottom-left-radius:123px;
-moz-border-radius-bottomright:123px;
-moz-border-radius-bottomleft:123px;
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-moz-border-top-left-radius:123px;
-moz-border-top-right-radius:123px;
border-top-left-radius:123px;
border-top-right-radius:123px;
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border-bottom-right-radius:123px;
border-bottom-left-radius:123px;
left:-35px;
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width:100%;
//overflow:hidden;
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position:relative;
background:#fff;
//background:-webkit-gradient(linear, left top, left bottom, from(#fff), to(#eee));
//background:-moz-linear-gradient(top, #fff, #eee);
}
#outbox{
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display:none;
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}
#header{
width:100%;
text-align: center;
}
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#name{
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}
.hops .node{
// display:hidden;
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}
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</style>
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<title>meshed up</title>
</head>
<body>
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<div id="header">
<h2>Meshenger</h2>
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</div>
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<textarea id="name" rows="1" placeholder="Your Name (leave empty for anonymous)"></textarea>
<textarea id="message" rows="3" placeholder="Your Message"></textarea>
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<button style="width:100%" id="send">Send</button>
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<select id="messagesort" name="messageSort">
<option value="dateReceived">Sort by Date Received</option>
<option value="dateSend">Sort by Date Send</option>
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</select>
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<ul id="inbox"></ul>
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<!--<h2>outbox</h2>-->
<ul id="outbox"></ul>
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<script type="text/javascript">
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localStorage.clear();
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/*
* OUTBOX STUFF
*/
document.getElementById( 'send' ).onclick = function() {
var outStr = localStorage.getItem( 'outbox' ) || '';
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if (document.getElementById('name').value == ""){
var namm= "anonymous";
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}
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else{
var namm= document.getElementById('name').value;
}
var mess = document.getElementById('message').value.replace(/\r?\n/g, "<br />");
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var newMsgs ={};
var ddata= new Date().getTime();
var contento = {
"time" : ddata,
"message" : mess,
"name" : namm,
"node" : "local",
"hops" : "0"
}
newMsgs.message = contento;
localStorage.setItem( 'outbox', JSON.stringify(newMsgs) );
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updateOutboxView();
checkOutbox();
document.getElementById('message').value = '';
};
function checkOutbox() {
var outStr = localStorage.getItem( 'outbox' );
if ( ! outStr ) {
return;
}
var lines = outStr.split( /\n/ );
for ( var i in lines ) {
if ( lines[i].length === 0 ) {
continue;
}
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var obj = JSON.parse(lines[i]);
var ts = obj.message.time;
delete obj.message.time;
var msg = JSON.stringify(obj.message);
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sendMessage( ts, msg );
}
}
function sendMessage( timestamp, message ) {
var xhr = new XMLHttpRequest();
var data = 'time=' + encodeURIComponent( timestamp ) +
'&message=' + encodeURIComponent( message );
xhr.onreadystatechange = function(){
if ( xhr.readyState == 4){
if ( xhr.status == 200 ) {
removeOutboxItem( timestamp );
}
}
};
xhr.open('POST', 'send', true);
xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
xhr.setRequestHeader('If-Modified-Since', 'Sat, 1 Jan 2005 00:00:00 GMT');
xhr.send(data);
}
function removeOutboxItem( timestamp ) {
var outStr = localStorage.getItem( 'outbox' ) || '';
var lines = outStr.split( /\n/ );
for ( var i in lines ) {
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var obj = JSON.parse(lines[i]);
var ts = obj.message.time;
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if ( ts === timestamp ) {
lines.splice( i, 1 );
break;
}
}
var newOutStr = lines.join('\n');
localStorage.setItem('outbox', newOutStr);
updateOutboxView();
}
function updateOutboxView() {
var contentString = '';
var outStr = localStorage.getItem( 'outbox' ) || '';
var lines = outStr.split( /\n/ );
for ( var i in lines ) {
if ( lines[ i ].length === 0 ) {
continue;
}
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var obj = JSON.parse(lines[i]);
var ts = obj.message.time;
delete obj.message.time;
var msg = JSON.stringify(obj.message);
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contentString += '<li><b>' + ts + ' </b>' + msg + '</li>';
}
document.getElementById( 'outbox' ).innerHTML = contentString;
}
/*
* INBOX STUFF
*/
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function updateInboxView() {
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var localStorageArray = new Array();
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var contentString = '';
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if (localStorage.length>0) {
for (i=0;i<localStorage.length;i++){
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element=localStorage.getItem(localStorage.key(i));
if ( localStorage.key(i).length < 10 || element === 'outbox' ) {
continue;
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}
// alert(element);
try {
elementj = JSON.parse(element);
} catch (e) {
continue;
}
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localStorageArray[i] = { time:localStorage.key(i), user:elementj.name, message:elementj.message, node:elementj.node, hops:elementj.hops };
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}
}
orderStorage = localStorageArray.sort(function(a,b) { return b.time - a.time } );
for(var i in orderStorage)
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{
if ( i.length === 0 || i === 'outbox' ) {
continue;
}
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var date = new Date(parseInt(orderStorage[i].time));
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// date.setHours(date.getHours() + 2);
var datereadable = date.getDate()+"/"+(date.getMonth()+1)+"/"+date.getFullYear()+" "+date.getHours()+":"+date.getMinutes();
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contentString += '<li><b>' + datereadable + ' </b>' + ' <i>'+ orderStorage[i].user +'</i><br/> '+orderStorage[i].message+' <span class="node '+orderStorage[i].node+'">'+orderStorage[i].node+'</span> <span class="hops '+orderStorage[i].hops+'">'+orderStorage[i].hops+'</span></li>';
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}
document.getElementById( 'inbox' ).innerHTML = contentString;
}
function onMessageDownload( msg, filename ) {
if ( localStorage.getItem( filename ) === null ) {
localStorage.setItem( filename, msg );
}
updateInboxView();
}
function onIndex( index ) {
var lines = index.split( /\n/ );
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for(var k in localStorage){
var l = 1;
for ( var i in lines ) {
var f = lines[i];
if (f == k){ l = 0; }
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}
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if (l == 1){
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localStorage.removeItem(k);
}
}
updateInboxView();
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for ( var i in lines ) {
var fname = lines[i];
if ( localStorage.getItem( fname ) === null ) {
//localStorage.setItem( ts, lines[i].substr(lines[i].indexOf(' ')) );
downloadMessage( fname );
}
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}
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}
function downloadMessage(filename) {
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function(){
if (xhr.readyState == 4 && xhr.status == 200){
onMessageDownload( xhr.responseText, filename );
}
}
xhr.open( "GET", 'msg/'+filename, true);
xhr.send();
}
function checkInbox() {
var xhr = new XMLHttpRequest();
xhr.onreadystatechange = function(){
if (xhr.readyState == 4 && xhr.status == 200){
onIndex( xhr.responseText );
}
}
xhr.open( "GET", 'index', true);
xhr.send();
}
/*
* INIT
*/
updateInboxView();
updateOutboxView();
window.setInterval( function(){
checkInbox();
checkOutbox();
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}, 7000 );
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</script>
</body>
</html>