Untitled


<!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>