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let decryptedBlobUrl = null;
let currentFileName = null;
let currentClearText = null;
let decodedProtobuf = null;
document.addEventListener("DOMContentLoaded", function () {
// handle file uploads
let fileInput = document.getElementById('file-upload');
let fileInputLabel = document.getElementById('file-upload-label');
let fileDownloadBtn = document.getElementById('file-download');
let decryptToggle = document.getElementById('decrypt-toggle');
let serialForm = document.getElementById('serial-form');
var jsonRenderer = document.querySelector('.target');
var liveDecoder = document.getElementById('live-decoder');
let acknowledgement = document.querySelector('.ethics-message-ack');
// Don't display the download button until a file is selected
fileDownloadBtn.style.display = 'none';
serialForm.style.display = 'none';
liveDecoder.style.display = 'none';
fileInput.disabled = true;
// Etics message
acknowledgement.addEventListener('click', function () {
document.querySelector('.ethics-message').style.display = 'none';
// Enable the file input
console.log(fileInput)
fileInput.disabled = false;
fileInputLabel.classList.remove('upload-disabled');
});
fileInput.onchange = () => {
const reader = new FileReader()
reader.addEventListener('load', async (e) => {
currentFileName = e.target.fileName;
const serial = document.getElementById('serial-input').value;
let main_key = null;
if (serial.length > 0) {
// local decryption, use master key + serial
main_key = new Uint8Array([...MASTER_KEY, ...new TextEncoder("utf-8").encode(serial)]);
} else {
// global decryption, use master key only
main_key = MASTER_KEY;
}
console.log("Decrypting file: " + currentFileName + " with key: " + main_key + " and serial: " + serial);
let blob = await decrypt(e.target.result, main_key);
console.log(blob);
decryptedBlobUrl = window.URL.createObjectURL(blob);
// If the filename ends with .cns or pb, we can assume it's a protobuf file
if(currentFileName.endsWith('.cns') || currentFileName.endsWith('.pb')){
// Enable live decoding
liveDecoder.style.display = 'block';
}
});
for (let file of fileInput.files) {
// https://stackoverflow.com/questions/24245105/how-to-get-the-filename-from-the-javascript-filereader
reader.fileName = file.name;
reader.readAsArrayBuffer(file);
}
if(fileInput.files.length > 0){
fileDownloadBtn.style.display = 'flex';
}else{
fileDownloadBtn.style.display = 'none';
}
};
fileDownloadBtn.onclick = () => {
const link = document.createElement('a');
link.href = decryptedBlobUrl
link.download = currentFileName + '.dec';
link.click();
};
decryptToggle.onchange = () => {
if (decryptToggle.checked) {
serialForm.style.display = 'block';
} else {
serialForm.style.display = 'none';
}
};
document.getElementById('protobuf-list').onchange = (e)=>{
processFileDecode(currentClearText);
console.log(decodedProtobuf);
// Decode protobuf is a class, so we need to convert it to a JSON object
var json = JSON.parse(JSON.stringify(decodedProtobuf));
jsonRenderer.innerHTML = jsonViewer(json, true);
}
});
var protoPaths = ["assets/proto/Capture.proto","assets/proto/Preset.proto"]
var protoTypes = []
function loadTypesFromRoot(current) {
if (current instanceof protobuf.Type){
protoTypes.push(current);
document.getElementById('protobuf-list').add(new Option(current.name, current.name))
}
if (current.nestedArray){
current.nestedArray.forEach(function(nested) {
loadTypesFromRoot(nested);
});
}
}
/* ProtoBuf */
protoPaths.forEach((protoPath)=>{
protobuf.load(protoPath).then((root)=>{
loadTypesFromRoot(root)
})
})
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