/**
 * 动态反混淆 provider.js v7
 * 使用 eval 直接执行原始代码
 */
const fs = require('fs');

const inputPath = 'D:/temp/破解/cursorpro-0.4.5/deobfuscated_full/extension/out/webview/provider_clean.js';
const outputPath = 'D:/temp/破解/cursorpro-0.4.5/deobfuscated_full/extension/out/webview/provider.js';

console.log('╔════════════════════════════════════════════════════╗');
console.log('║       Provider.js 动态反混淆工具 v7                 ║');
console.log('╚════════════════════════════════════════════════════╝');

let code = fs.readFileSync(inputPath, 'utf8');
console.log(`读取文件: ${(code.length / 1024).toFixed(2)} KB`);

// 找到 _0x4ff4 函数的结束位置
const arrayFuncStart = code.indexOf('function _0x4ff4()');
let braceCount = 0;
let arrayFuncEnd = arrayFuncStart;
let started = false;
for (let i = arrayFuncStart; i < code.length; i++) {
    if (code[i] === '{') {
        braceCount++;
        started = true;
    } else if (code[i] === '}') {
        braceCount--;
        if (started && braceCount === 0) {
            arrayFuncEnd = i + 1;
            break;
        }
    }
}

// 找到 _0x56bd 函数的结束位置
const decoderStart = code.indexOf('function _0x56bd(');
braceCount = 0;
let decoderEnd = decoderStart;
started = false;
for (let i = decoderStart; i < code.length; i++) {
    if (code[i] === '{') {
        braceCount++;
        started = true;
    } else if (code[i] === '}') {
        braceCount--;
        if (started && braceCount === 0) {
            decoderEnd = i + 1;
            break;
        }
    }
}

const initCodeEnd = Math.max(arrayFuncEnd, decoderEnd);

// 提取初始化代码
const initCode = code.slice(0, initCodeEnd);
console.log(`初始化代码长度: ${(initCode.length / 1024).toFixed(2)} KB`);

// 使用 eval 执行
console.log('\n[1] 使用 eval 执行初始化代码...');

// 全局变量，用于存储解码函数
var vip = 'cursor';
var _0x56bd, _0x4ff4;

try {
    eval(initCode);
    console.log('初始化成功');
    console.log(`_0x56bd 类型: ${typeof _0x56bd}`);
    console.log(`_0x4ff4 类型: ${typeof _0x4ff4}`);
} catch (e) {
    console.error('初始化失败:', e.message);
    process.exit(1);
}

// 测试解码
console.log('\n[2] 测试解码...');
try {
    // 测试几个调用
    const tests = [
        [0x532, 'ck7z'],
        [0x5f6, 'yoC7'],
        [0x3d2, 'iDwM']
    ];

    for (const [index, key] of tests) {
        try {
            const result = _0x56bd(index, key);
            console.log(`  _0x56bd(0x${index.toString(16)}, '${key}') = "${result?.slice(0, 50) || '(empty)'}${result?.length > 50 ? '...' : ''}"`);
        } catch (e) {
            console.log(`  _0x56bd(0x${index.toString(16)}, '${key}') = ERROR: ${e.message}`);
        }
    }
} catch (e) {
    console.log('测试解码失败:', e.message);
}

// 查找所有 _0x56bd 调用并解码
console.log('\n[3] 查找所有解码调用...');
const callPattern1 = /_0x56bd\s*\(\s*(0x[a-f0-9]+)\s*,\s*'([^']*)'\s*\)/gi;
const callPattern2 = /_0x56bd\s*\(\s*(0x[a-f0-9]+)\s*,\s*"([^"]*)"\s*\)/gi;

const decodeMap = new Map();
let match;
let totalCalls = 0;
let successCalls = 0;

// 匹配单引号
while ((match = callPattern1.exec(code)) !== null) {
    const fullMatch = match[0];
    const indexHex = match[1];
    const key = match[2];
    totalCalls++;

    if (!decodeMap.has(fullMatch)) {
        try {
            const index = parseInt(indexHex, 16);
            const decoded = _0x56bd(index, key);
            if (decoded && typeof decoded === 'string') {
                decodeMap.set(fullMatch, decoded);
                successCalls++;
            }
        } catch (e) {
            // 跳过解码失败的
        }
    }
}

// 匹配双引号
while ((match = callPattern2.exec(code)) !== null) {
    const fullMatch = match[0];
    const indexHex = match[1];
    const key = match[2];
    totalCalls++;

    if (!decodeMap.has(fullMatch)) {
        try {
            const index = parseInt(indexHex, 16);
            const decoded = _0x56bd(index, key);
            if (decoded && typeof decoded === 'string') {
                decodeMap.set(fullMatch, decoded);
                successCalls++;
            }
        } catch (e) {
            // 跳过
        }
    }
}

console.log(`总调用数: ${totalCalls}, 成功解码: ${successCalls}, 唯一模式: ${decodeMap.size}`);

// 显示一些解码样本
console.log('\n[4] 解码样本:');
let sampCount = 0;
for (const [pattern, decoded] of decodeMap) {
    if (sampCount < 20) {
        console.log(`  => "${decoded.slice(0, 60)}${decoded.length > 60 ? '...' : ''}"`);
        sampCount++;
    }
}

// 替换
console.log('\n[5] 替换编码字符串...');
let newCode = code;
let replaceCount = 0;

for (const [pattern, decoded] of decodeMap) {
    let replacement;
    // 处理特殊字符
    if (decoded.includes('\n') || decoded.includes('\r') || decoded.includes('`') || decoded.includes('${')) {
        replacement = JSON.stringify(decoded);
    } else if (decoded.includes("'") && !decoded.includes('"')) {
        replacement = `"${decoded}"`;
    } else if (decoded.includes('"') && !decoded.includes("'")) {
        replacement = `'${decoded}'`;
    } else {
        replacement = JSON.stringify(decoded);
    }

    const before = newCode.length;
    newCode = newCode.split(pattern).join(replacement);
    if (newCode.length !== before) {
        replaceCount++;
    }
}

console.log(`替换了 ${replaceCount} 个模式`);

// 清理代码
console.log('\n[6] 清理代码...');
newCode = newCode.replace(/\['([a-zA-Z_$][a-zA-Z0-9_$]*)'\]/g, '.$1');
newCode = newCode.replace(/!!\[\]/g, 'true');
newCode = newCode.replace(/!\[\]/g, 'false');

// 保存
console.log('\n[7] 保存文件...');
fs.writeFileSync(outputPath, newCode);
console.log(`保存到: ${outputPath}`);
console.log(`新文件大小: ${(newCode.length / 1024).toFixed(2)} KB`);

console.log('\n✅ 完成！');