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LEGALISE_PIRACY 2024-05-02 02:56:04 +00:00
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256
sppa/ayun/ayunEPKDecompiler.js Normal file
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window.decompileEPK = function() {
let currentOffset = 0;
let numFiles = 0;
let onfile = function() {};
function detectOldHeader(epkData) {
const oldHeader = "EAGPKG!!";
for (let i = 0; i < oldHeader.length; i++) {
if (epkData[i] != oldHeader.charCodeAt(i)) return false;
}
return true;
}
function readASCII(epkData) {
const len = read(epkData);
let str = "";
for (let i = 0; i < len; i++) {
str += String.fromCharCode(read(epkData));
}
return str;
}
function read(epkData) {
return epkData[currentOffset++];
}
function skip(num) {
currentOffset += num;
}
function loadShort(epkData) {
return (read(epkData) << 8) | read(epkData);
}
function loadInt(epkData) {
return (read(epkData) << 24) | (read(epkData) << 16) | (read(epkData) << 8) | read(epkData);
}
function readUTF(epkData) {
const len = loadShort(epkData);
let str = "";
for (let i = 0; i < len; i++) {
str += String.fromCharCode(read(epkData));
}
return str;
}
// https://stackoverflow.com/a/18639903/6917520
const crc32 = (function() {
let table = new Uint32Array(256);
for (let i = 256; i--;) {
let tmp = i;
for (let k = 8; k--;) {
tmp = tmp & 1 ? 3988292384 ^ tmp >>> 1 : tmp >>> 1;
}
table[i] = tmp;
}
return function(data) {
let crc = -1;
for (let i = 0, l = data.length; i < l; i++) {
crc = crc >>> 8 ^ table[crc & 255 ^ data[i]];
}
return (crc ^ -1) >>> 0;
};
})();
function decompileOld(epkData) {
readUTF(epkData);
try {
let zData = pako.inflate(epkData.slice(currentOffset));
currentOffset = 0;
return readFilesOld(zData);
} catch (err) {
return null;
}
}
function decompileNew(epkData) {
const vers = readASCII(epkData);
if (!vers.startsWith("ver2.")) {
return null;
}
skip(read(epkData));
skip(loadShort(epkData));
skip(8);
numFiles = loadInt(epkData);
const compressionType = String.fromCharCode(read(epkData));
let zData = epkData.slice(currentOffset);
if (compressionType == "Z" || compressionType == "G") {
try {
zData = pako.inflate(zData);
} catch (err) {
return null;
}
} else if (compressionType == "0") {
// do nothing
} else {
return null;
}
currentOffset = 0;
return readFilesNew(zData);
}
function readFilesOld(data) {
let files = [];
let file;
while ((file = readFileOld(data)) != null) {
if (file == -1) return null;
files.push(file);
onfile();
}
onfile = function() {};
return files;
}
function readFileOld(data) {
const s = readUTF(data);
if (s == " end") {
return null;
} else if (s != "<file>") {
return -1;
}
const path = readUTF(data);
skip(20);
const len = loadInt(data);
const blob = new Blob([data.slice(currentOffset, currentOffset + len)]);
skip(len);
if (readUTF(data) != "</file>") {
return -1;
}
return {
type: "FILE",
name: path,
data: blob
};
}
function readFilesNew(data) {
let files = [];
let file;
while ((file = readFileNew(data)) != null) {
if (file == -1) return null;
files.push(file);
onfile();
}
onfile = function() {};
return files;
}
function readFileNew(data) {
const type = String.fromCharCode(read(data), read(data), read(data), read(data));
if (numFiles == 0) {
if (type != "END$") {
return -1;
}
return null;
}
if (type == "END$") {
return -1;
}
const name = readASCII(data);
const len = loadInt(data);
let blob = null;
if (type == "FILE") {
if (len < 5) {
return -1;
}
const crc = loadInt(data);
const blobBuffer = data.slice(currentOffset, currentOffset + len - 5);
skip(len - 5);
blob = new Blob([blobBuffer]);
if (crc != (crc32(blobBuffer) | 0)) {
return -1;
}
if (read(data) != 58) {
return -1;
}
} else {
blob = new Blob([data.slice(currentOffset, currentOffset + len)]);
skip(len);
}
if (read(data) != 62) {
return -1;
}
numFiles--;
return {
type: type,
name: name,
data: blob
};
}
return async function(rawBuffer, fileev) {
if (fileev != null) {
onfile = fileev;
}
let epkData = new Uint8Array(rawBuffer);
if (detectOldHeader(epkData)) {
epkData = epkData.slice(8);
return decompileOld(epkData);
}
const header = "EAGPKG$$";
for (let i = 0; i < header.length; i++) {
if (epkData[i] != header.charCodeAt(i)) return null;
}
const endCode = ":::YEE:>";
for (let i = 0; i < endCode.length; i++) {
if (epkData[epkData.length - 8 + i] != endCode.charCodeAt(i)) return null;
}
epkData = epkData.slice(8, -8);
return decompileNew(epkData);
};
};

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sppa/ayun/builder.html Normal file
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<!DOCTYPE html>
<html>
<head>
<script async src="https://arc.io/widget.min.js#HEPCFa3K"></script>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>ayunWebEPK</title>
<script type="text/javascript" src="jszip.min.js"></script>
<script type="text/javascript" src="pako.min.js"></script>
<script type="text/javascript" src="sha1.min.js"></script>
<script type="text/javascript" src="ayunEPKDecompiler.js"></script>
<script type="text/javascript" src="ayunEPKCompiler.js"></script>
<link rel="preconnect" href="https://fonts.googleapis.com"/>
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin/>
<link href="https://fonts.googleapis.com/css2?family=Nunito&display=swap" rel="stylesheet"/>
<style>
a:not([href]) {
display: none;
}
*, ::file-selector-button {
font-family: 'Nunito', sans-serif;
}
body {
background-color: #111111;
color: #dddddd;
}
input[disabled], button[disabled] {
opacity: 0.8;
}
input[type=checkbox] {
-webkit-appearance: initial;
-moz-appearance: initial;
appearance: initial;
width: 1.5em;
height: 1.5em;
margin: 0;
}
input[type=checkbox]:checked {
background-color: #eeeeee;
}
input[type=checkbox]:before {
content: ':>';
text-align: center;
color: #dddddd;
margin-left: 0.3em;
}
input[type=checkbox]:checked:before {
color: #343434;
}
input[type=checkbox]:after {
content: 'No';
color: #dddddd;
margin-left: 0.6em;
}
input[type=checkbox]:checked:after {
content: 'Yes';
}
@supports (-webkit-touch-callout: none) or (background: -webkit-named-image(i)) {
input[type=checkbox]:after {
content: 'no';
}
input[type=checkbox]:checked:after {
content: 'yes';
}
}
@supports (-moz-appearance: none) {
input[type=checkbox]:after {
content: 'No.';
}
input[type=checkbox]:checked:after {
content: 'Yes.';
}
}
::file-selector-button, progress, input[type=checkbox], button, select, input[type=text] {
background-color: #343434;
color: #eeeeee;
border: 1px solid #eeeeee;
border-radius: 4px;
}
a, input[type=file] {
color: #dddddd;
}
progress {
height: 1em;
}
progress, ::-webkit-file-upload-button {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
progress[value="0"][max="1"] {
display: none;
}
::-moz-progress-bar {
background-color: #eeeeee;
}
::-webkit-progress-value {
background-color: #eeeeee;
}
::-webkit-progress-bar {
background-color: #343434;
border-radius: 4px;
}
#editor.modei pre, #editor.modei audio, #editor.modea pre, #editor.modea img, #editor.modet img, #editor.modet audio, #editor.model {
display: none;
}
</style>
</head>
<body>
<sub><a href=".">Want to compile one instead?</a></sub>
<br/>
<sub><a href="decompile.html">Want to decompile one instead?</a></sub>
<h1>ayunWebEPK</h1>
<p>Customize EPK files in your browser!</p>
Select base .EPK: <input type="file" onchange="selectFile(this);" accept=".epk"/>
<br/>
Compile to legacy format: <input type="checkbox"/>
<br/>
<button onclick="compileIt(document.querySelector('input[type=file]'));" disabled>Compile it!</button>
<br/>
<br/>
<progress value="0" max="1"></progress>
<a download="my-cool.epk">Download your EPK!</a>
<div id="editor" class="model">
<input type="text" placeholder="Search or enter file name..."/>
<select></select>
<button onclick="createFile(this.previousElementSibling.previousElementSibling.value);" disabled>Create file...</button>
<button onclick="deleteCurrentFile();">Delete file...</button>
<br/>
<h3></h3>
Change this file: <input type="file" onchange="changeFile(this);"/>
<br/>
<img/>
<audio controls></audio>
<pre></pre>
</div>
<script>
const downloadLink = document.querySelectorAll('a')[2];
const progressBar = document.querySelector('progress');
const oldBox = document.querySelector('input[type=checkbox]');
const compileBtn = document.querySelector('button');
const editor = document.getElementById('editor');
const dropdown = document.querySelector('select');
const editorName = editor.querySelector('h3');
const editorImage = editor.querySelector('img');
const editorAudio = editor.querySelector('audio');
const editorText = editor.querySelector('pre');
const editorSearch = editor.querySelector('input[type=text]');
editorSearch.value = '';
// https://stackoverflow.com/a/68703218/6917520
function prefix(words) {
// check border cases size 1 array and empty first word)
if (!words[0] || words.length == 1) return words[0] || "";
let i = 0;
// while all words have the same character at position i, increment i
while(words[0][i] && words.every(w => w[i] === words[0][i]))
i++;
// prefix is the substring from the beginning to the last successfully checked i
return words[0].substr(0, i);
}
let epkFiles = [];
let selectedFile = 0;
function selectFile(fileElem) {
epkFiles.length = 0;
downloadLink.removeAttribute('href');
fileElem.disabled = true;
if (fileElem.files.length > 0) {
const epkFile = fileElem.files[0];
const reader = new FileReader();
reader.onload = function(e) {
progressBar.value = 0;
progressBar.max = 1;
window.decompileEPK()(e.target.result, function() {
progressBar.max++;
progressBar.value++;
}).then(function(fileList) {
if (fileList == null) {
alert('Invalid EPK!');
fileElem.value = '';
progressBar.value = 0;
progressBar.max = 1;
fileElem.removeAttribute('disabled');
return;
}
fileElem.value = '';
progressBar.value = 0;
progressBar.max = 1;
fileElem.removeAttribute('disabled');
epkFiles = fileList;
editor.className = '';
refreshDropdown();
compileBtn.removeAttribute('disabled');
});
};
reader.readAsArrayBuffer(epkFile);
} else {
fileElem.removeAttribute('disabled');
}
}
function compileIt(fileElem) {
compileBtn.disabled = true;
fileElem.disabled = true;
oldBox.disabled = true;
progressBar.value = 0;
progressBar.max = epkFiles.length;
window.compileEPK()(epkFiles, oldBox.checked, function() {
progressBar.value++;
}).then(blob => {
if (blob == null) {
alert('Invalid EPK!');
progressBar.value = 0;
progressBar.max = 1;
oldBox.removeAttribute('disabled');
fileElem.removeAttribute('disabled');
return;
}
downloadLink.href = window.URL.createObjectURL(blob);
progressBar.value = 0;
progressBar.max = 1;
oldBox.removeAttribute('disabled');
fileElem.removeAttribute('disabled');
compileBtn.removeAttribute('disabled');
});
}
function filterDropdown(str) {
str = str.trim().toLowerCase();
const queries = str.split(' ');
const opts = [...dropdown.querySelectorAll('option')];
let oldValue = dropdown.value;
let selectedOne = false;
for (const opt of opts) {
opt.selected = false;
opt.hidden = true;
const lowerOptText = opt.text.toLowerCase();
if (lowerOptText == str) {
if (selectedOne) {
selectedOne.selected = false;
}
selectedOne = opt;
opt.selected = true;
opt.hidden = false;
continue;
}
for (const query of queries) {
if (lowerOptText.includes(query)) {
if (!selectedOne) {
selectedOne = opt;
opt.selected = true;
}
opt.hidden = false;
}
}
}
if (dropdown.value != oldValue) {
dropdown.onchange();
}
}
dropdown.onchange = function() {
selectedFile = dropdown.value;
const fileItem = epkFiles[selectedFile];
editorName.innerText = fileItem.name;
const lowerName = fileItem.name.toLowerCase();
if (lowerName.endsWith('.mp3') || lowerName.endsWith('.ogg')) {
editor.className = 'modea';
editorAudio.src = window.URL.createObjectURL(fileItem.data);
} else if (lowerName.endsWith('.png')) {
editor.className = 'modei';
editorImage.src = window.URL.createObjectURL(fileItem.data);
} else {
editor.className = 'modet';
fileItem.data.text().then(t => {
editorText.innerText = t;
});
}
};
function refreshDropdown() {
dropdown.innerHTML = '';
for (const fileInd in epkFiles) {
if (epkFiles[fileInd].type != 'FILE') {
continue;
}
dropdown.add(new Option(epkFiles[fileInd].name, fileInd, false, fileInd == 0));
}
dropdown.onchange();
editorSearch.oninput();
}
function deleteCurrentFile() {
epkFiles.splice(selectedFile, 1);
refreshDropdown();
}
function createFile(name) {
epkFiles.push({
type: 'FILE',
name: name,
data: new Blob([])
});
refreshDropdown();
}
function changeFile(fileElem) {
if (fileElem.files.length > 0) {
epkFiles[selectedFile].data = fileElem.files[0];
fileElem.value = '';
dropdown.onchange();
}
}
editorSearch.oninput = function() {
filterDropdown(editorSearch.value);
if (this.value != '' && epkFiles[this.nextElementSibling.value].name.toLowerCase() != this.value.toLowerCase()) {
editorSearch.nextElementSibling.nextElementSibling.removeAttribute('disabled');
} else {
editorSearch.nextElementSibling.nextElementSibling.disabled = true;
}
};
</script>
</body>
</html>

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<!DOCTYPE html>
<html>
<head>
<script async src="https://arc.io/widget.min.js#HEPCFa3K"></script>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>ayunWebEPK</title>
<script type="text/javascript" src="jszip.min.js"></script>
<script type="text/javascript" src="pako_inflate.min.js"></script>
<script type="text/javascript" src="ayunEPKDecompiler.js"></script>
<link rel="preconnect" href="https://fonts.googleapis.com"/>
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin/>
<link href="https://fonts.googleapis.com/css2?family=Nunito&display=swap" rel="stylesheet"/>
<style>
a:not([href]) {
display: none;
}
*, ::file-selector-button {
font-family: 'Nunito', sans-serif;
}
body {
background-color: #111111;
color: #dddddd;
}
input[disabled] {
opacity: 0.8;
}
::file-selector-button, progress {
background-color: #343434;
color: #eeeeee;
border: 1px solid #eeeeee;
border-radius: 4px;
}
a, input[type=file] {
color: #dddddd;
}
progress {
height: 1em;
}
progress, ::-webkit-file-upload-button {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
progress[value="0"][max="1"] {
display: none;
}
::-moz-progress-bar {
background-color: #eeeeee;
}
::-webkit-progress-value {
background-color: #eeeeee;
}
::-webkit-progress-bar {
background-color: #343434;
border-radius: 4px;
}
</style>
</head>
<body>
<sub><a href=".">Want to compile one instead?</a></sub>
<br/>
<sub><a href="builder.html">Want to create one instead?</a></sub>
<h1>ayunWebEPK</h1>
<p>Decompile EPK files in your browser!</p>
Select .EPK file: <input type="file" onchange="selectFile(this);" accept=".epk"/>
<br/>
<progress value="0" max="1"></progress>
<a download="my-cool.zip">Download as a ZIP!</a>
<script>
const downloadLink = document.querySelectorAll('a')[2];
const progressBar = document.querySelector('progress');
function selectFile(fileElem) {
downloadLink.removeAttribute('href');
fileElem.disabled = true;
if (fileElem.files.length > 0) {
const epkFile = fileElem.files[0];
const reader = new FileReader();
reader.onload = function(e) {
progressBar.value = 0;
progressBar.max = 1;
window.decompileEPK()(e.target.result, function() {
progressBar.max++;
progressBar.value++;
}).then(function(fileList) {
if (fileList == null) {
alert('Invalid EPK!');
fileElem.value = '';
progressBar.value = 0;
progressBar.max = 1;
fileElem.removeAttribute('disabled');
return;
}
const zip = new JSZip();
progressBar.max = fileList.length;
progressBar.value = 0;
for (const file of fileList) {
progressBar.value++;
if (file.type != 'FILE') continue;
zip.file(file.name, file.data);
}
zip.generateAsync({type: 'blob'}).then(function(content) {
downloadLink.href = window.URL.createObjectURL(content);
fileElem.value = '';
progressBar.value = 0;
progressBar.max = 1;
fileElem.removeAttribute('disabled');
});
});
};
reader.readAsArrayBuffer(epkFile);
} else {
fileElem.removeAttribute('disabled');
}
}
</script>
</body>
</html>

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sppa/ayun/index.html Normal file
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<!DOCTYPE html>
<html>
<head>
<script async src="https://arc.io/widget.min.js#HEPCFa3K"></script>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<title>ayunWebEPK</title>
<script type="text/javascript" src="jszip.min.js"></script>
<script type="text/javascript" src="pako_deflate.min.js"></script>
<script type="text/javascript" src="sha1.min.js"></script>
<script type="text/javascript" src="ayunEPKCompiler.js"></script>
<link rel="preconnect" href="https://fonts.googleapis.com"/>
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin/>
<link href="https://fonts.googleapis.com/css2?family=Nunito&display=swap" rel="stylesheet"/>
<style>
a:not([href]) {
display: none;
}
*, ::file-selector-button {
font-family: 'Nunito', sans-serif;
}
body {
background-color: #111111;
color: #dddddd;
}
input[disabled] {
opacity: 0.8;
}
input[type=checkbox] {
-webkit-appearance: initial;
-moz-appearance: initial;
appearance: initial;
width: 1.5em;
height: 1.5em;
margin: 0;
}
input[type=checkbox]:checked {
background-color: #eeeeee;
}
input[type=checkbox]:before {
content: ':>';
text-align: center;
color: #dddddd;
margin-left: 0.3em;
}
input[type=checkbox]:checked:before {
color: #343434;
}
input[type=checkbox]:after {
content: 'No';
color: #dddddd;
margin-left: 0.6em;
}
input[type=checkbox]:checked:after {
content: 'Yes';
}
@supports (-webkit-touch-callout: none) or (background: -webkit-named-image(i)) {
input[type=checkbox]:after {
content: 'no';
}
input[type=checkbox]:checked:after {
content: 'yes';
}
}
@supports (-moz-appearance: none) {
input[type=checkbox]:after {
content: 'No.';
}
input[type=checkbox]:checked:after {
content: 'Yes.';
}
}
::file-selector-button, progress, input[type=checkbox] {
background-color: #343434;
color: #eeeeee;
border: 1px solid #eeeeee;
border-radius: 4px;
}
a, input[type=file] {
color: #dddddd;
}
progress {
height: 1em;
}
progress, ::-webkit-file-upload-button {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
progress[value="0"][max="1"] {
display: none;
}
::-moz-progress-bar {
background-color: #eeeeee;
}
::-webkit-progress-value {
background-color: #eeeeee;
}
::-webkit-progress-bar {
background-color: #343434;
border-radius: 4px;
}
</style>
</head>
<body>
<sub><a href="decompile.html">Want to decompile one instead?</a></sub>
<br/>
<sub><a href="builder.html">Want to create one instead?</a></sub>
<h1>ayunWebEPK</h1>
<p>Compile EPK files in your browser!</p>
Use legacy format: <input type="checkbox"/>
<br/>
Select resources folder: <input type="file" onchange="selectFile(this);" directory webkitdirectory/>
<br/>
<i>~or~</i>
<br/>
Select .ZIP archive of resources: <input type="file" onchange="selectFile(this);" accept=".zip"/>
<br/>
<progress value="0" max="1"></progress>
<a download="my-cool.epk">Download your EPK!</a>
<script>
const downloadLink = document.querySelectorAll('a')[2];
const progressBar = document.querySelector('progress');
const fileElems = document.querySelectorAll('input[type=file]');
const oldBox = document.querySelector('input[type=checkbox]');
// https://stackoverflow.com/a/68703218/6917520
function prefix(words) {
// check border cases size 1 array and empty first word)
if (!words[0] || words.length == 1) return words[0] || "";
let i = 0;
// while all words have the same character at position i, increment i
while(words[0][i] && words.every(w => w[i] === words[0][i]))
i++;
// prefix is the substring from the beginning to the last successfully checked i
return words[0].substr(0, i);
}
function selectFile(fileElem) {
downloadLink.removeAttribute('href');
fileElems.forEach(elem => elem.disabled = true);
oldBox.disabled = true;
const fileArr = [];
if (fileElem.files.length == 1) {
const zipFile = fileElem.files[0];
const reader = new FileReader();
reader.onload = function(e) {
const zip = new JSZip();
zip.loadAsync(e.target.result).then(function(zip) {
progressBar.max = Object.keys(zip.files).length;
const stripFolder = prefix(Object.keys(zip.files));
let i = 0;
for (let fileName in zip.files) {
if (fileName.endsWith('/')) {
progressBar.value = i++;
if (i == progressBar.max) {
finishIt(fileElem, fileArr, oldBox.checked);
}
continue;
}
zip.files[fileName].async('blob').then(function(data) {
fileArr.push({
type: 'FILE',
name: stripFolder.length == 0 ? fileName : fileName.slice(fileName.indexOf(stripFolder) + stripFolder.length),
data: data
});
progressBar.value = i++;
if (i == progressBar.max) {
finishIt(fileElem, fileArr, oldBox.checked);
}
});
}
});
};
reader.readAsArrayBuffer(zipFile);
} else if (fileElem.files.length > 1) {
progressBar.max = fileElem.files.length;
const stripFolder = prefix(Object.values(fileElem.files).map(file => file.webkitRelativePath));
let i = 0;
for (let file of fileElem.files) {
const fileName = file.webkitRelativePath;
fileArr.push({
type: 'FILE',
name: stripFolder.length == 0 ? fileName : fileName.slice(fileName.indexOf(stripFolder) + stripFolder.length),
data: file
});
progressBar.value = i++;
if (i == progressBar.max) {
finishIt(fileElem, fileArr, oldBox.checked);
}
}
} else {
fileElems.forEach(elem => elem.removeAttribute('disabled'));
oldBox.removeAttribute('disabled');
}
}
function finishIt(fileElem, fileArr, old) {
progressBar.value = 0;
window.compileEPK()(fileArr, old, function() {
progressBar.value++;
}).then(blob => {
downloadLink.href = window.URL.createObjectURL(blob);
currentEPK = null;
fileElem.value = '';
progressBar.value = 0;
progressBar.max = 1;
fileElems.forEach(elem => elem.removeAttribute('disabled'));
oldBox.removeAttribute('disabled');
});
}
</script>
</body>
</html>

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sppa/ayun/jszip.min.js vendored Normal file
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