Files
2017-09-26 21:34:57 -07:00

206 lines
5.3 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pako/1.0.6/pako.min.js"></script>
<style>
fieldset { margin: 20px; border: 1px solid; }
p { margin: 10px; }
</style>
</head>
<body>
<fieldset>
<legend>Create zRIF string from work.bin</legend>
<p>
1. Select RIF file (work.bin): <input type="file" id="file" />
</p>
<p>
2. Press the button: <input type="button" id="convert" value="convert" />
</p>
<p>
3. Copy the zRIF string: <input type="text" id="zrif" size="100" />
<div id="info1" style="display:none">
<p>Content ID: <span id="id1"></span></p>
<p>Raw key: <span id="raw1"></span></p>
</div>
</p>
</fieldset>
<fieldset>
<legend>Create work.bin from zRIF string</legend>
<p>
1. Provide zRIF string: <input type="text" id="zrif2" size="100" />
</p>
<p>
2. Convert to work.bin: <input type="button" id="convert2" value="convert" />
</p>
<p>
3. Click to download: <a href="" id="download"></a>
</p>
<div id="info2" style="display:none">
<p>Content ID: <span id="id2"></span></p>
<p>Raw key: <span id="raw2"></span></p>
</div>
</fieldset>
<script>
function base64ArrayBuffer(bytes) {
var base64 = ''
var encodings = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
var byteLength = bytes.byteLength
var byteRemainder = byteLength % 3
var mainLength = byteLength - byteRemainder
var a, b, c, d
var chunk
// Main loop deals with bytes in chunks of 3
for (var i = 0; i < mainLength; i = i + 3) {
// Combine the three bytes into a single integer
chunk = (bytes[i] << 16) | (bytes[i + 1] << 8) | bytes[i + 2]
// Use bitmasks to extract 6-bit segments from the triplet
a = (chunk & 16515072) >> 18 // 16515072 = (2^6 - 1) << 18
b = (chunk & 258048) >> 12 // 258048 = (2^6 - 1) << 12
c = (chunk & 4032) >> 6 // 4032 = (2^6 - 1) << 6
d = chunk & 63 // 63 = 2^6 - 1
// Convert the raw binary segments to the appropriate ASCII encoding
base64 += encodings[a] + encodings[b] + encodings[c] + encodings[d]
}
// Deal with the remaining bytes and padding
if (byteRemainder == 1) {
chunk = bytes[mainLength]
a = (chunk & 252) >> 2 // 252 = (2^6 - 1) << 2
// Set the 4 least significant bits to zero
b = (chunk & 3) << 4 // 3 = 2^2 - 1
base64 += encodings[a] + encodings[b] + '=='
} else if (byteRemainder == 2) {
chunk = (bytes[mainLength] << 8) | bytes[mainLength + 1]
a = (chunk & 64512) >> 10 // 64512 = (2^6 - 1) << 10
b = (chunk & 1008) >> 4 // 1008 = (2^6 - 1) << 4
// Set the 2 least significant bits to zero
c = (chunk & 15) << 2 // 15 = 2^4 - 1
base64 += encodings[a] + encodings[b] + encodings[c] + '='
}
return base64
}
function concatTypedArrays(a, b) { // a, b TypedArray of same type
var c = new (a.constructor)(a.length + b.length);
c.set(a, 0);
c.set(b, a.length);
return c;
}
var ddd = pako.inflate(atob("eNpjYBgFo2AU0AsYAIElGt8MRJiDCAsw3xhEmIAIU4N4AwNdRxcXZ3+/EJCAkW6Ac7C7ARwYgviuQAaIdoPSzlDaBUo7QmknIM3ACIZM78+u7kx3VWYEAGJ9HV0="));
function encode(arr) {
arr = pako.deflate(arr, {
level: 9,
windowBits: 10,
memLevel: 8,
dictionary: ddd
});
var dec = pako.inflate(arr, { dictionary: ddd });
while (arr.length % 3 != 0) {
arr = concatTypedArrays(arr, new Uint8Array([0]));
}
return base64ArrayBuffer(arr);
}
function updateInfo(bin, id) {
var content = "";
for (var i=0x10; i<0x40; i++) {
if (bin[i] == 0) break;
content += String.fromCharCode(bin[i]);
}
var key = "";
for (var i=0x50; i<0x60; i++) {
var hex = Number(bin[i]).toString(16);
if (hex.length == 1) {
hex = "0" + hex;
}
key += hex;
}
document.getElementById("id" + id).innerText = content;
document.getElementById("raw" + id).innerText = key;
document.getElementById("info" + id).style.display = "block";
}
function convert() {
var files = document.getElementById('file').files;
if (!files.length) {
alert('Please select a file!');
return;
}
var file = files[0];
var start = 0;
var reader = new FileReader();
reader.onloadend = function(evt) {
if (evt.target.readyState == FileReader.DONE) {
var bin = new Uint8Array(evt.target.result);
updateInfo(bin, "1");
document.getElementById('zrif').value = encode(bin);
}
};
reader.readAsArrayBuffer(file);
}
function decode(str) {
var tmp = window.atob(str);
var arr = new Uint8Array(tmp.length);
for (var i=0; i<tmp.length; i++) {
arr[i] = tmp.charCodeAt(i);
}
arr = pako.inflate(arr, {
windowBits: 10,
dictionary: ddd
});
return arr;
}
function convert2() {
var rif = document.getElementById("zrif2").value;
var bin;
try {
bin = decode(rif);
} catch (e) {
alert("Error converting: " + e);
return;
}
if (bin.length != 512) {
alert("wrong size of work.bin");
return;
}
updateInfo(bin, "2");
var a = document.getElementById("download");
var blob = new Blob([bin], {type: "octet/stream"});
var url = window.URL.createObjectURL(blob);
a.href = url;
a.download = a.innerText = "work.bin";
}
document.getElementById("convert").onclick = convert;
document.getElementById("convert2").onclick = convert2;
</script>
</body>
</html>