JSFiddle - React, Tailwind, and code Playground

by Denis Plotnikov

HTML

<div id="log"></div>

JavaScript

document.getElementById('log').innerHTML = 'Loading...';
function decrypt(pass, hash) {
    var result = '';
    for (var i=0; i<hash.length; i++) {
        result += String.fromCharCode( pass ^ hash.charCodeAt(i) );
    }
    return result;
}

function base64toBlob(base64Data, contentType) {
    contentType = contentType || '';
    var sliceSize = 1024;
    var byteCharacters = atob(base64Data);
    var bytesLength = byteCharacters.length;
    var slicesCount = Math.ceil(bytesLength / sliceSize);
    var byteArrays = new Array(slicesCount);

    for (var sliceIndex = 0; sliceIndex < slicesCount; ++sliceIndex) {
        var begin = sliceIndex * sliceSize;
        var end = Math.min(begin + sliceSize, bytesLength);

        var bytes = new Array(end - begin);
        for (var offset = begin, i = 0 ; offset < end; ++i, ++offset) {
            bytes[i] = byteCharacters[offset].charCodeAt(0);
        }
        byteArrays[sliceIndex] = new Uint8Array(bytes);
    }
    return new Blob(byteArrays, { type: contentType });
}

var xhr = new XMLHttpRequest();
xhr.open('GET', 'https://st1.craziegames.com/racing7/vk-dev/_____TESTS/buffers/output2.denis?'+Date.now(), true);
xhr.onreadystatechange = function(e) {
  if (this.readyState == 4 && this.status == 200) {
	document.getElementById('log').innerHTML = 'Processing...';
		//console.log(this.responseText);
    document.getElementById('log').innerHTML = decrypt(97, this.responseText);
    /*
		var x = base64toBlob(decrypt(97, this.responseText), 'text/plain');
		//console.log(x);
		var reader = new FileReader();
  	reader.onload = function(event){
			document.getElementById('log').innerHTML = reader.result;
		};
		reader.readAsText(x);
    */
	}
};
xhr.send();