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originCheck.html
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originCheck.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>ComiXology Backup</title>
<style type="text/css">
body {
text-align: center;
font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
line-height: 50px;
cursor: default;
font-size: 14px;
margin: 0;
padding: 0;
}
p {
position: relative;
width: 500px;
margin: 0 auto;
line-height: 20px;
}
</style>
<script src="source/common.js" type="text/javascript"></script>
</head>
<body>
<h1>Origin check</h1>
<p>
Add a backuped file here and we will tell you who created it.<br><br>
<input id="file" type="file" multiple="multiple"><br><br>
</p>
<p>
The username you are looking for should be somewhere in here:
<pre>...</pre>
</p>
<script type="text/javascript">
function imgLogic(name, result) {
var c = document.createElement("canvas"),
ctx = c.getContext("2d"),
img = new Image();
img.onload = function() {
c.width = img.width;
c.height = img.height;
ctx.drawImage(img, 0, 0, img.width, img.height);
var data = ctx.getImageData(img.width%8, img.height-1, img.width-img.width%8, 1),
r = "", buff = "", code;
for (var i = 0; i < data.data.length; i+=4) {
if(buff.length < 8)
buff += rgbToHsl(data.data[i], data.data[i+1], data.data[i+2])[2]>0.5?"1":"0";
if(buff.length >= 8) {
code = parseInt(buff, 2);
if(code == 0)
r = "";
else
r += String.fromCharCode(code);
buff = "";
}
}
document.getElementsByTagName("pre")[0].innerHTML += name+": <b>"+r+"</b>\n";
};
img.src = result;
}
document.getElementById("file").addEventListener("change", function(e) {
document.getElementsByTagName("pre")[0].innerHTML += "<hr>";
var file, i=0;
while(file = e.target.files[i++])
(function(file) {
var reader = new FileReader();
reader.onload = function(e) {
if(file.type.match(/image*/i))
imgLogic(file.name, e.target.result);
};
reader.readAsDataURL(file);
})(file);
});
</script>
</body>
</html>