kone base64 자동복호화

base64코드 자동복호화

Verze ze dne 29. 05. 2025. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         kone base64 자동복호화
// @namespace    http://tampermonkey.net/
// @version      1.1.1
// @description   base64코드 자동복호화
// @author       SYJ
// @match        https://arca.live/*
// @match        https://kone.gg/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=arca.live
// @grant        GM_registerMenuCommand
// @grant        GM_unregisterMenuCommand
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_addValueChangeListener
// @require            https://openuserjs.org/src/libs/sizzle/GM_config.js
// @license MIT
// ==/UserScript==

// 자주 바뀜. 취약한 셀렉터
const SHADOW_ROOT_SELECTOR = "body  main div.prose-container";

window.addEventListener('load', ()=>setTimeout(main, 1000));

async function main(){
    observeUrlChange(renderUI);
    const isAutoMode = await GM_getValue('toggleVal', true);
    if (isAutoMode) {
        observeUrlChange(autoApply);
    }
    else {
        setTimeout(manuallyApply, 1000);
    }
}

function doDecode(text) {
    ///'use strict';
    let result = text;
    result = dec(/aHR0c[0-9A-Za-z+]{20,}[=]{0,2}/, result); //aHR0c:1회인코딩된것.
    result = dec(/YUhSMGN[0-9A-Za-z]{20,}[=]{0,2}/, result, true); //YUhSMGN:2회인코딩된것.
    result = dec(/WVVoU01HTklUVFp[0-9A-Za-z+]{20,}[=]{0,2}/, result, true); // 3회인코딩된것.
    result = dec(/V1ZWb1UwMUhUa2[0-9A-Za-z]{20,}[=]{0,2}/, result, true); // 4회인코딩된것.
    result = dec(/[0-9A-Za-z]{9,}[=]{1,2}/, result); //문자열 30회 + '=' 1~2회
    result = dec(/[0-9A-Za-z]{200,}[=]{0,2}/, result); //문자열 200회 + '=' 0~2회
    return result;
}

function dec(reg, text, infMode) {
    let result = text;
    try {
        while (reg.test(result)) {
            const original = reg.exec(result)[0];
            let decoded = original;
            while (infMode && decoded.match(/aHR0c[0-9A-Za-z]{8,}[=]{0,2}/) == null) decoded = atob(decoded);
            decoded = base64DecodeUnicode(decoded);
            result = result.replace(original, decoded);
        }
        return result;
    }
    catch(e) { console.log('er', e);
              return text;}
}

function base64DecodeUnicode(str) {
  // 1) atob으로 디코딩 → 바이너리(한 글자당 1바이트) 문자열
  // 2) 각 문자 코드를 16진수 %xx 형태로 변환
  // 3) decodeURIComponent로 UTF-8 해석
  const percentEncodedStr = Array
    .from(atob(str))
    .map(char => '%' + char.charCodeAt(0).toString(16).padStart(2, '0'))
    .join('');
  return decodeURIComponent(percentEncodedStr);
}

function applyATag(el){
    if (original === decodedLink) return;
    while(el.firstChild) el.removeChild(el.firstChild);
    el.appendChild(makeATag(decodedLink));
}

function manuallyApply() {
    document.body.addEventListener('dblclick', function(e) {
        console.log('더블클릭 감지! 🎉',e.target,event.composedPath()[0]);
        const el = e.composedPath()[0];
        const nodes = Array.from(el.childNodes).filter(node=>node.nodeType ===Node.TEXT_NODE)
        console.log(nodes)
        for (const node of nodes){
            const original = node.textContent;
            const decodedLink = doDecode(original);
            // console.log(node, original, decodedLink);
            if (original === decodedLink) continue;
            linkifyTextNode(node, decodedLink);
        }
    })
}

function autoApply() {
    // console.log('auto')
    const contents = Array.from(document.body.querySelectorAll(`main ${textTagNames}`));
    const mainContents = Array.from(document.querySelector(SHADOW_ROOT_SELECTOR)?.shadowRoot?.querySelectorAll(textTagNames) ?? []);
    contents.push(...mainContents);

    for (const tag of contents) {
        const nodes = Array.from(tag.childNodes).filter(node=>node.nodeType ===Node.TEXT_NODE)
        for (const node of nodes){
            const original = node.textContent;
            const decodedLink = doDecode(original);


            if (original === decodedLink) continue;
            console.log('[DECODE] ',original, decodedLink);
            linkifyTextNode(node, decodedLink);
        }
    }
}

const textTagNames = 'p, span, div, a, li,' +      // 일반 컨테이너
  'h1, h2, h3, h4, h5, h6,' +    // 제목 요소
  'em, strong, u, b, i, small, mark, ' +   // 인라인 포맷팅 요소
  'label, button, option, textarea' // 폼/인터페이스 요소



// 텍스트노드 중 url을 찾아 a태그로 변환. (액션 포함)
function linkifyTextNode(Node, text) {
  // URL 매칭 (https:// 로 시작해서 공백 전까지)
  const urlRegex = /(https?:\/\/[^\s]+)/;
  const match = urlRegex.exec(text);
  if (!match) { // URL 없으면 텍스트 덮어씌우고 종료
      Node.textContent = text;
      return;
  }

  const url = match[0];
  const start = match.index;
  const urlLen = url.length;

  // "텍스트1 URL 텍스트2" 꼴의 텍스트노드를 세 개로 분리
  // 1) URL 앞부분과 뒤를 분리
  const textNode = document.createTextNode(text);
  const afterUrlStart = textNode.splitText(start);
  const afterUrlEnd = afterUrlStart.splitText(urlLen);
  const beforeUrlStart = textNode;

  // 3) <a> 요소 생성 후 URL 텍스트 노드 대신 교체
  const a = makeATag(url)
  Node.parentNode.replaceChild(a, Node);
  a.before(beforeUrlStart);
  a.after(afterUrlEnd);
}



function makeATag(link){
    const aTag = document.createElement('a');
    aTag.href = link;
    aTag.textContent = link;
    aTag.target = '_blank';
    aTag.rel = 'noreferrer';
    return aTag;
}


// UI

async function renderUI() {
    // 1) 값 로드
    let val = await GM_getValue('toggleVal', false);
    let menuId;

    // 2) 배지 생성
    /* const badge = document.createElement('div');
    Object.assign(badge.style, {
        position: 'fixed',
        top: '10px',
        right: '10px',
        padding: '4px 8px',
        background: 'rgba(0,0,0,0.7)',
        color: '#fff',
        fontSize: '14px',
        borderRadius: '4px',
        zIndex: '9999',
    });
    document.body.append(badge);
    */

    // 3) 렌더 함수
    function render() {
        // 메뉴 해제 후 다시 등록
        if (menuId) GM_unregisterMenuCommand(menuId);
        menuId = GM_registerMenuCommand(
            `자동모드 토글 (현재: ${val?'ON':'OFF'})`,
            toggleValue
        );
        // 배지 업데이트
        //badge.textContent = `현재 값: ${val}`;
    }

    // 4) 토글 함수 (즉시 UI 업데이트 포함)
    async function toggleValue() {
        const newVal = !val;
        await GM_setValue('toggleVal', newVal);
        val = newVal;    // 변수 갱신
        render();        // 메뉴·배지 즉시 갱신
    }

    // 초기 렌더
    render();
}

const observeUrlChange = (func) => {
  func();

  let oldHref = document.location.href;
  const body = document.querySelector('body');
  const observer = new MutationObserver(mutations => {
    if (oldHref !== document.location.href) {
      oldHref = document.location.href;
      setTimeout(func, 1000);

    }
  });
  observer.observe(body, { childList: true, subtree: true });
};