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Decryptor.js
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Decryptor.js
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/**
* JsjiamiV6解密工具
* @author NXY666
* @version 2.7.4
*/
const fs = require("fs");
const readline = require("readline");
const Path = require("path");
const vm = require("vm");
let vm2;
/**
* 获取数组末尾的值。
* @returns {any | undefined} 返回数组末尾的值。若数组为空，则返回undefined。
*/
Array.prototype.top = function () {
return this[this.length - 1];
};
/**
* 使用字符串替换当前字符串中的一段字符。
* @param {number} st 起始位置。
* @param {number} en 结束位置。
* @param {string} str 替换结果字符串。
*/
String.prototype.replaceWithStr = function (st, en, str) {
return this.slice(0, st) + str + this.slice(en);
};
/**
* 以一段长度相同的字符串为模板分割当前字符串。
* @param {string} str 字符串模板。
* @param {string} separator 分隔符。
* @returns {string[]} 返回分割后的字符串数组。
* @throws {Error} 字符串模板长度与当前字符串长度不一致时抛出错误。
*/
String.prototype.splitByOtherStr = function (str, separator) {
if (this.length !== str.length) {
throw Error("字符串模板长度与当前字符串长度不一致。");
}
let splitRes = str.split(separator);
let nowPos = 0;
return splitRes.map(function (item) {
let res = this.slice(nowPos, nowPos + item.length);
nowPos += item.length + separator.length;
return res;
}.bind(this));
};
/**
* 使用正则表达式或字符串从某一位置开始搜索字符串。
* @param {RegExp|string} regexp 正则表达式。若为字符串则等同于 String.indexOf 。
* @param {number?} position 起始位置。若不指定则从 0 位置开始搜索。
* @returns {number} 匹配到的索引值。若未匹配成功，则返回 -1。
*/
String.prototype.searchOf = function (regexp, position) {
if (typeof regexp == "string") {
return this.indexOf(regexp, position);
}
if (position === undefined) {
position = 0;
}
if (position < 0) {
position = 0;
} else if (position >= this.length) {
return -1;
}
return position + this.slice(position).search(regexp);
};
/**
* 使用正则表达式或字符串从字符串末尾的某一位置开始搜索字符串。
* @param {RegExp|string} regexp 正则表达式。若为字符串则等同于 String.lastIndexOf 。
* @param {number?} position 起始位置。若不指定则从 +Infinity 位置开始搜索。
* @returns {number} 匹配到的索引值。若未匹配成功，则返回 -1。
*/
String.prototype.lastSearchOf = function (regexp, position) {
if (typeof regexp != "object") {
return this.lastIndexOf(regexp, position);
} else {
regexp = new RegExp(regexp.source, regexp.flags + 'g');
}
if (position === undefined) {
position = Number.POSITIVE_INFINITY;
}
let thisStr = this;
if (position < 0) {
return -1;
} else if (position < thisStr.length) {
thisStr = thisStr.slice(0, position + 1);
}
let posRes = -1, matchRes;
while ((matchRes = regexp.exec(thisStr)) != null) {
posRes = matchRes.index;
}
return posRes;
};
// fs.writeFileSync("res.txt", "");
/**
* 日志工具
* */
const Logger = (function () {
function Logger(options) {
options = options || {};
this.mergeOptions(this._options, options);
console.clear();
}
Logger.prototype._options = {
// 进度选项
content: {
linePrefix: {
first: "* ",
others: "· "
}
},
// 进度选项
progress: {
length: 50,
frequency: 100,
emptyStr: " ",
fullStr: "="
}
};
Logger.prototype._data = {
// 日志数据
log: {
content: null,
lastTime: 0,
line: 0,
lastContentLines: 0
},
// 进度数据
progress: {
enabled: false,
determine: false,
finished: false,
max: 100,
now: 0
}
};
Logger.prototype.mergeOptions = function (targetOption, newOption) {
if (!newOption) {
return targetOption;
}
Object.keys(targetOption).forEach(function (key) {
if (newOption[key] === undefined) {
return;
}
if (typeof targetOption[key] != "object" || Array.isArray(targetOption[key])) {
targetOption[key] = newOption[key];
} else {
targetOption[key] = this.mergeOptions(targetOption[key], newOption[key]);
}
}.bind(this));
return targetOption;
};
Logger.prototype.weakUpdate = function () {
this.updateConsole();
};
Logger.prototype.updateConsole = function (forceOutput, stayInline) {
// 检查更新是否过于频繁
if (!forceOutput && new Date().getTime() - this._data.log.lastTime < this._options.progress.frequency) {
return;
} else {
this._data.log.lastTime = new Date().getTime();
}
// 日志进度
let now, max, length, percent;
let progressArr = [], progressStr = "";
if (this._data.progress.enabled) {
now = this._data.progress.now;
max = this._data.progress.max;
if (now > max) {
now = max;
}
progressArr.length = length = this._options.progress.length;
if (this._data.progress.determine) {
percent = Math.floor(now / max * length);
progressArr.fill(this._options.progress.fullStr, 0, percent);
progressArr.fill(this._options.progress.emptyStr, percent, length);
progressStr = `[${progressArr.join("")}] ${(now / max * 100).toFixed(1).padStart(5, " ")}%`;
} else {
if (this._data.progress.finished) {
progressArr.fill(this._options.progress.fullStr, 0, length);
progressStr = `[${progressArr.join("")}]`;
} else {
let progressBarStart = now % length,
progressBarEnd = progressBarStart + length / 5;
progressArr.fill(this._options.progress.emptyStr, 0, length);
progressArr.fill(this._options.progress.fullStr, progressBarStart, progressBarEnd);
let exceed = progressBarEnd - length;
if (exceed > 0) {
progressArr.fill(this._options.progress.fullStr, 0, exceed);
}
progressStr = `[${progressArr.join("")}]`;
this._data.progress.now++;
}
}
}
let logContents = this._data.log.content.split("\n"), logContentLength = logContents.length;
// 写入日志
if (stayInline) {
this._data.log.line += this._data.log.lastContentLines;
} else {
readline.cursorTo(process.stdout, 0, this._data.log.line);
}
let lastContentLines = this._data.log.lastContentLines;
logContents.forEach(function (line, index) {
console.info((index === 0 ? this._options.content.linePrefix.first : this._options.content.linePrefix.others) + line + (index === logContentLength - 1 ? " " + progressStr : ""));
}.bind(this));
if (lastContentLines > logContentLength) {
for (let i = lastContentLines - logContentLength; i > 0; i--) {
console.info("\n");
}
}
this._data.log.lastContentLines = logContentLength;
};
Logger.prototype.logWithProgress = function (content, now, max) {
let logChanged = this._data.log.content !== null && this._data.log.content !== content;
if (logChanged && !this._data.progress.determine) {
this.logWithoutDetermineFinished();
}
this._data.log.content = content;
this._data.progress.enabled = true;
this._data.progress.determine = true;
this._data.progress.now = now;
this._data.progress.max = max;
this.updateConsole(true, logChanged);
};
Logger.prototype.logWithoutDetermine = function (content) {
let logChanged = this._data.log.content !== null && this._data.log.content !== content;
if (logChanged && !this._data.progress.determine) {
this.logWithoutDetermineFinished();
}
this._data.log.content = content;
this._data.progress.enabled = true;
this._data.progress.determine = false;
this._data.progress.finished = false;
this._data.progress.now = 0;
this._data.progress.max = Number.POSITIVE_INFINITY;
this.updateConsole(true, logChanged);
};
Logger.prototype.logWithoutDetermineFinished = function () {
this._data.progress.finished = true;
this.updateConsole(true);
};
Logger.prototype.logWithoutProgress = function (content) {
let logChanged = this._data.log.content !== null && this._data.log.content !== content;
if (logChanged && !this._data.progress.determine) {
this.logWithoutDetermineFinished();
}
this._data.log.content = content;
this._data.progress.enabled = false;
this.updateConsole(true, logChanged);
};
return Logger;
})();
function pause(text) {
if (config["quietMode"]) {
return;
}
// process.stdin.setRawMode已被废弃，某些版本只能使用回车键来解除暂停
console.warn(`${text !== undefined ? text + "\n" : ""}[请按${process.stdin.setRawMode ? '任意' : '回车'}键继续]`);
let stopTime = new Date().getTime();
process.stdin.setRawMode && process.stdin.setRawMode(true);
try {
fs.readSync(0, Buffer.alloc(1), 0, 1, null);
} catch (e) {
if (e.code === 'EAGAIN') {
// 'resource temporarily unavailable'
// Happens on OS X 10.8.3 (not Windows 7!)
throw Error("暂停功能不受支持，请在配置文件中启用安静模式。");
} else if (e.code === 'EOF') {
// Happens on Windows 7, but not OS X 10.8.3:
// simply signals the end of *piped* stdin input.
} else {
throw e;
}
}
process.stdin.setRawMode && process.stdin.setRawMode(false);
PAUSE_TIME += new Date().getTime() - stopTime;
}
/**
* 代码分析工具
* */
function transStr(jsStr) {
let signStack = [], jsArr = jsStr.split("");
for (let nowPos = 0; nowPos < jsArr.length; nowPos++) {
switch (jsArr[nowPos]) {
case '/':
if (signStack.top() === jsArr[nowPos]) {
// 结束正则
signStack.pop();
continue;
} else if (signStack.length === 0) {
// [{( +-* <>=? &|! ~^ ,
if (jsArr[nowPos + 1] === '*') {
// 块注释
let endPos = jsStr.indexOf("*/", nowPos);
jsArr.fill("C", nowPos + 2, endPos);
nowPos = endPos + 1;
} else if (jsArr[nowPos + 1] === '/') {
// 行注释
let endPos = jsStr.searchOf(/(\n|\r|\n\r|\r\n)/, nowPos);
jsArr.fill("C", nowPos + 2, endPos);
nowPos = endPos - 1;
} else if (nowPos === 0 || jsArr[jsStr.lastSearchOf(/\S/, nowPos - 1)].match(/[\[{(+\-*<>=?&|!~^:;,]/)) {
// 开始正则
signStack.push(jsArr[nowPos]);
}
continue;
}
break;
case '"':
case "'":
case '`':
if (signStack.top() === jsArr[nowPos]) {
// 结束字符串
signStack.pop();
continue;
} else if (signStack.length === 0) {
// 开始字符串
signStack.push(jsArr[nowPos]);
continue;
}
break;
case '\\':
if (signStack.top() === '"' || signStack.top() === "'" || signStack.top() === '/' || signStack.top() === '`') {
jsArr[nowPos++] = 'S';
}
break;
default:
break;
}
if (signStack.top() === '"' || signStack.top() === "'" || signStack.top() === '/' || signStack.top() === '`') {
jsArr[nowPos] = 'S';
}
}
return jsArr.join("");
}
function transLayer(jsStr, layer, hasTrans) {
jsStr = hasTrans ? jsStr : transStr(jsStr);
if (layer === undefined) {
layer = 1;
}
let signStack = [], jsArr = jsStr.split("");
for (let nowPos = 0; nowPos < jsArr.length; nowPos++) {
switch (jsArr[nowPos]) {
case '[':
case '{':
case '(':
// 开始
signStack.push(jsArr[nowPos]);
if (signStack.length > layer) {
jsArr[nowPos] = 'Q';
}
break;
case ']':
if (signStack.top() === "[") {
// 结束
if (signStack.length > layer) {
jsArr[nowPos] = 'Q';
}
signStack.pop();
} else {
throw "ParseError: 尝试关闭不存在的“[]”。";
}
break;
case '}':
if (signStack.top() === "{") {
// 结束
if (signStack.length > layer) {
jsArr[nowPos] = 'Q';
}
signStack.pop();
} else {
throw "ParseError: 尝试关闭不存在的“{}”。";
}
break;
case ')':
if (signStack.top() === "(") {
// 结束
if (signStack.length > layer) {
jsArr[nowPos] = 'Q';
}
signStack.pop();
} else {
throw "ParseError: 尝试关闭不存在的“()”。";
}
break;
default:
if (signStack.length > layer - 1) {
jsArr[nowPos] = 'Q';
}
break;
}
}
return jsArr.join("");
}
function escapeEvalStr(str) {
return "'" + JSON.stringify(str).slice(1, -1).replace(/'/g, "\\'").replace(/\\"/g, '"') + "'";
}
function getQuoteEndPos(jsStr, startPos) {
if (startPos === undefined) {
startPos = 0;
}
jsStr = transStr(jsStr);
let signStack = [], jsArr = jsStr.split("");
for (let nowPos = startPos; nowPos < jsArr.length; nowPos++) {
switch (jsArr[nowPos]) {
case '[':
case '{':
case '(':
// 开始
signStack.push(jsArr[nowPos]);
break;
case ']':
if (signStack.top() === "[") {
// 结束
signStack.pop();
} else {
throw Error("ParseError: 尝试关闭不存在的“[]”。");
}
break;
case '}':
if (signStack.top() === "{") {
// 结束
signStack.pop();
} else {
throw Error("ParseError: 尝试关闭不存在的“{}”。");
}
break;
case ')':
if (signStack.top() === "(") {
// 结束
signStack.pop();
} else {
throw Error("ParseError: 尝试关闭不存在的“()”。");
}
break;
default:
break;
}
if (signStack.length === 0) {
return nowPos;
}
}
throw Error("未知错误。");
}
function splitStatements(jsStr, statementType) {
let transLayerRes = transLayer(jsStr), splitJsArr = [];
if (statementType === undefined) {
let tmpStr = transLayerRes.replace(/([0-9a-zA-Z])+/g, "W");
if (tmpStr === "" || tmpStr === ";") {
// 空
statementType = "EMPTY";
} else if (/^([^,:;]+:[^,:;]+,)*[^,:;]+:[^,:;]+$/.test(tmpStr)) {
// 对象
statementType = "OBJECT";
} else if (/^(case[!"%&'(*+,\-.\/:;<=>?@\[^{|~ ]|default:)/.test(transLayerRes.slice(0, 8))) {
// case
statementType = "SWITCH_CASE";
} else {
// 普通
statementType = "COMMON";
}
}
switch (statementType) {
case "EMPTY": {
break;
}
case "OBJECT": {
break;
}
case "SWITCH_CASE":
case "COMMON": {
let startPos = 0, endPos = transLayerRes.indexOf(";", startPos);
if (endPos === -1) {
endPos = Number.POSITIVE_INFINITY;
}
do {
let partJsStr = jsStr.slice(startPos, endPos + 1),
transPartJsStr = transLayerRes.slice(startPos, endPos + 1);
if (statementType === "SWITCH_CASE") {
if (/^(case[!"%&'(*+,\-.\/:;<=>?@\[^{|~ ]|(default:))/.test(transPartJsStr.slice(0, 8))) {
// switch...case
endPos = transPartJsStr.indexOf(":");
splitJsArr.push(partJsStr.slice(0, endPos + 1));
startPos += endPos + 1;
} else if ((() => {
let matchRes =
transLayerRes.slice(startPos).match(/^if\(Q+\){?.*?(};|;|})(else if\(Q+\){?.*?(};|;|}))*(else{?.*?(};|;|}))?/) || // if...else
transPartJsStr.match(/^(async )?function [^(]+?\(Q*\){Q*};?/) || // function（花括号不可省略，无需判断）
transPartJsStr.match(/^(for|while)\(Q+\){?.*?(};|;|})/) || // for / while（花括号可省略，需判断）
transPartJsStr.match(/^do{?.*?[;}]\(Q+\);?/) || // do...while（花括号可省略，需判断）
transPartJsStr.match(/^try{Q*}catch\(Q+\){Q*};?/) || // try...catch（两个花括号都不能省，所以无需判断）
transPartJsStr.match(/^switch\(Q+\){Q*};?/); // switch（两个花括号都不能省，所以无需判断）
return matchRes && (endPos = startPos + matchRes[0].length);
})()) {
splitJsArr.push(jsStr.slice(startPos, endPos));
startPos = endPos;
} else {
// 其它
splitJsArr.push(jsStr.slice(startPos, endPos + 1));
startPos = endPos + 1;
}
} else if ((() => {
let matchRes =
transLayerRes.slice(startPos).match(/^if\(Q+\){?.*?(};|;|})(else if\(Q+\){?.*?(};|;|}))*(else{?.*?(};|;|}))?/) || // if...else
transPartJsStr.match(/^(async )?function [^(]+?\(Q*\){Q*};?/) || // function（花括号不可省略，无需判断）
transPartJsStr.match(/^(for|while)\(Q+\){?.*?(};|;|})/) || // for / while（花括号可省略，需判断）
transPartJsStr.match(/^do{?.*?[;}]\(Q+\);?/) || // do...while（花括号可省略，需判断）
transPartJsStr.match(/^try{Q*}catch\(Q+\){Q*};?/) || // try...catch（两个花括号都不能省，所以无需判断）
transPartJsStr.match(/^switch\(Q+\){Q*};?/); // switch（两个花括号都不能省，所以无需判断）
return matchRes && (endPos = startPos + matchRes[0].length);
})()) {
splitJsArr.push(jsStr.slice(startPos, endPos));
startPos = endPos;
} else {
// 其它
splitJsArr.push(jsStr.slice(startPos, endPos + 1));
startPos = endPos + 1;
}
} while ((endPos = transLayerRes.indexOf(";", startPos)) !== -1);
if (startPos < jsStr.length) {
splitJsArr.push(jsStr.slice(startPos));
}
break;
}
default: {
throw Error(`Error: 包含无法解析的代码块类型“${statementType}”。`);
}
}
splitJsArr.type = statementType;
return splitJsArr;
}
/**
* JSON5工具
*/
const JSON5 = {
parse: function (jsonStr) {
let transRes = transStr(jsonStr);
let commentPos = Number.POSITIVE_INFINITY;
while ((commentPos === Number.POSITIVE_INFINITY || commentPos - 1 >= 0) && (commentPos = Math.max(
transRes.lastSearchOf(/\/\*C*\*\//, commentPos - 1),
transRes.lastSearchOf(/\/\/C*(\n|\r|\n\r|\r\n)/, commentPos - 1)
)) !== -1) {
switch (transRes[commentPos + 1]) {
case '*': {
let blockComment = transRes.slice(commentPos).match(/^\/\*C*\*\//)[0];
jsonStr = jsonStr.replaceWithStr(commentPos, commentPos + blockComment.length, "");
break;
}
case '/': {
let lineComment = transRes.slice(commentPos).match(/^\/\/C*(\n|\r|\n\r|\r\n)/)[0];
jsonStr = jsonStr.replaceWithStr(commentPos, commentPos + lineComment.length, "");
break;
}
default:
throw Error(`Error: 包含未知的注释类型“/${transRes[commentPos + 1]}”。`);
}
}
return JSON.parse(jsonStr);
},
stringify: JSON.stringify
};
/**
* 虚拟机执行工具
* */
let globalContext = vm.createContext();
try {
let {VM} = require("vm2");
vm2 = new VM({
allowAsync: false,
sandbox: globalContext
});
} catch (e) {
}
function virtualEval(jsStr) {
return virtualGlobalEval(jsStr);
}
function virtualGlobalEval(jsStr) {
return vm2 ? vm2.run(String(jsStr)) : vm.runInContext(jsStr, globalContext);
}
let config;
try {
config = JSON5.parse(fs.readFileSync("config.json").toString());
} catch (e) {
console.error(e);
throw Error(`未找到配置文件（config.json），请确认该文件是否存在于当前目录。`);
}
// 开始计时
let START_TIMESTAMP = new Date().getTime(), PAUSE_TIME = 0;
// 初始化日志工具并确认文件路径
let logger = new Logger(config["logger"]);
logger.logWithoutProgress("----====* JsjiamiV6 Decryptor *====----");
let absolutePathStr = Path.resolve(config.target);
logger.logWithoutProgress(`解密文件：${absolutePathStr}`);
logger.logWithoutProgress(`输出目录：${Path.resolve("./")}`);
logger.logWithoutProgress(`模拟模块：${vm2 ? "vm2" : "vm (不安全)"}`);
if (!vm2) {
console.warn("【安全建议】当前未安装 vm2 模块，该模块支持相对安全地执行 JavaScript 代码。在安装 vm2 模块之前，解密器将使用 Node.js 内建的 vm 模块。因此，请尽量避免解密不可信的 JavaScript 文件。");
}
pause();
let js;
try {
js = fs.readFileSync(absolutePathStr).toString().trim() + ";";
} catch (e) {
console.error(e);
throw Error(`目标脚本不存在或无权访问，请检查后再试。`);
}
logger.logWithoutDetermine("净化代码");
function compressionCode(jsStr) {
let transRes = transStr(jsStr);
let commentPos = Number.POSITIVE_INFINITY;
while ((commentPos === Number.POSITIVE_INFINITY || commentPos - 1 >= 0) && (commentPos = Math.max(
transRes.lastSearchOf(/\/\*C*\*\//, commentPos - 1),
transRes.lastSearchOf(/\/\/C*(\n|\r|\n\r|\r\n)/, commentPos - 1)
)) !== -1) {
logger.weakUpdate();
switch (transRes[commentPos + 1]) {
case '*': {
let blockComment = transRes.slice(commentPos).match(/^\/\*C*\*\//)[0];
jsStr = jsStr.replaceWithStr(commentPos, commentPos + blockComment.length, "");
break;
}
case '/': {
let lineComment = transRes.slice(commentPos).match(/^\/\/C*(\n|\r|\n\r|\r\n)/)[0];
jsStr = jsStr.replaceWithStr(commentPos, commentPos + lineComment.length, "");
break;
}
default:
throw Error(`Error: 包含未知的注释类型“${transRes[commentPos + 1]}”。`);
}
}
transRes = transStr(jsStr);
let spacePos = Number.POSITIVE_INFINITY;
while ((spacePos === Number.POSITIVE_INFINITY || spacePos - 1 >= 0) && (spacePos = Math.max(
transRes.lastSearchOf(/\s/, spacePos - 1)
)) !== -1) {
logger.weakUpdate();
if (
(jsStr[spacePos - 1] == null || jsStr[spacePos - 1].match(/[{}\[\]().,+\-*\/~!%<>=&|^?:;@\s]/)) ||
(jsStr[spacePos + 1] == null || jsStr[spacePos + 1].match(/[{}\[\]().,+\-*\/~!%<>=&|^?:;@\s]/))
) {
jsStr = jsStr.replaceWithStr(spacePos, spacePos + 1, "");
}
}
return jsStr;
}
js = compressionCode(js);
fs.writeFileSync("DecryptResult0.js", js);
logger.logWithoutDetermine("解除全局加密");
const globalDecryptorInfo = {
signInfo: {
name: null,
// _0xod / _0x / iIl / oO0 / abc
confuseType: null,
nameRegExp: null,
hasSignString: null,
hasMemberArray: null,
raw: null
},
preprocessFunction: {
raw: null
},
verifyFunction: {
raw: null
},
decryptor: {
// function / var
type: null,
name: null,
raw: null
}
};
function getStatementsType(jsArr) {
return jsArr.map(function (jsStr) {
let transRes = transStr(jsStr);
/**
* 签名信息
* @namespace signInfo
* @description 用于存放签名以及处理前的解密数据。
* 签名命名规则 _?[0-9a-zA-Z$ｉＯ]+?
* 变量命名规则 _?[0-9a-zA-Z$]+?
* 字符串规则 'S+?'
*/
if (globalDecryptorInfo.signInfo.raw == null) {
if (/^var (_?[0-9a-zA-Z$ｉＯ]+?='S+?',(_?[0-9a-zA-Z$ｉＯ]+?_=\['S+?'],)?)?_?[0-9a-zA-Z$]+?=\[_?[0-9a-zA-Z$ｉＯ']+?(,'S+?')*?];?/.test(transRes)) {
globalDecryptorInfo.signInfo.name = jsStr.slice(4, transRes.indexOf("=", 4));
(function (signName) {
if (/^_0xod[0-9a-zA-Z]$/.test(signName)) {
globalDecryptorInfo.signInfo.confuseType = "_0xod";
globalDecryptorInfo.signInfo.nameRegExp = `_0x[0-9a-f]+`;
} else if (/^_0x[0-9a-f]{4}$/.test(signName)) {
globalDecryptorInfo.signInfo.confuseType = "_0x";
globalDecryptorInfo.signInfo.nameRegExp = `_0x[0-9a-f]+`;
} else if (/^[iｉl]+$/.test(signName)) {
globalDecryptorInfo.signInfo.confuseType = "iIl";
globalDecryptorInfo.signInfo.nameRegExp = `[iIl1]+`;
} else if (/^[OＯ0$]+$/.test(signName)) {
globalDecryptorInfo.signInfo.confuseType = "oO0";
globalDecryptorInfo.signInfo.nameRegExp = `[O0Q$]+`;
} else if (/^[a-z]+$/.test(signName)) {
globalDecryptorInfo.signInfo.confuseType = "abc";
globalDecryptorInfo.signInfo.nameRegExp = `[a-z]+`;
} else {
throw Error(`Error: 包含未知的混淆模式“${signName}”。`);
}
})(globalDecryptorInfo.signInfo.name);
globalDecryptorInfo.signInfo.hasSignString = /^var _?[0-9a-zA-Z$ｉＯ]+?='S+?',/.test(transRes);
globalDecryptorInfo.signInfo.hasMemberArray = /_?[0-9a-zA-Z$ｉＯ]+?_=\['S+?'],/.test(transRes);
globalDecryptorInfo.signInfo.raw = jsStr;
return {
type: "SIGN_INFO",
content: globalDecryptorInfo.signInfo
};
}
} else {
if (new RegExp(`^${globalDecryptorInfo.signInfo.name}='S+';?$`).test(transRes)) {
return {
type: "SIGN_REITERATE",
content: {
raw: jsStr
}
};
}
}
/**
* 预处理函数
* @namespace globalDecryptorInfo.preprocessFunction
* @description 将签名信息预处理为可用的解密数据。
* 变量命名规则 _?[0-9a-zA-Z$]+?
* 字符串规则 'S+?'
* */
if (globalDecryptorInfo.signInfo.raw != null && globalDecryptorInfo.preprocessFunction.raw == null) {
let schemas = {
// _0x102809='po';var _0x111dc8='shift',_0x47c13d='push'
"PoShiftPushString": /(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})='po';var (_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})='shift',(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})='push'/.test(jsStr),
// while(--_0x1f4621){
"DecreasingLoop": /while\(--(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\)\{/.test(jsStr),
// _0x362d54=_0x5845c1,_0x2576f4=_0x2d8f05[_0x4fbc7a+'p']();
"AddPFunction": /(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})=(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3}),(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})=(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\[(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\+'p']\(\);/.test(jsStr),
// ['replace'](/[zUrTestTestZTest=]/g,'')
"ReplaceBase64RegExp": /\['replace']\(\/\[[0-9a-zA-Z]*?=]\/g,''\)/.test(jsStr),
// c['push'](c['shift']());
"PushAndShift": /(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\['push']\((_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\['shift']\(\)\)/.test(jsStr),
// return _0x43c762(++_0x3c2786,_0x2db158)>>_0x3c2786^_0x2db158;
"ReturnWith++And>>And^": /return (_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\(\+\+(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3}),(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\)>>(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\^(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})/.test(jsStr),
// var _0xeaaebc={'data':{'key':'cookie','value':'timeout'}
"CookieTimeoutDataObject": /var (_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})=\{'data':\{'key':'cookie','value':'timeout'}/.test(jsStr),
// new RegExp\(\'\(\?\:\^\|\;\\x20\)\'\+_0x49a403\[\'replace\'\]\(\/\(\[\.\$\?\*\|\{\}\(\)\[\]\\\/\+\^\]\)\/g\,\'\$1\'\)\+\'\=\(\[\^\;\]\*\)\'\)
"SignReplaceRegExp": /new RegExp\('\(\?:\^\|;\\x20\)'\+(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\['replace']\(\/\(\[\.\$\?\*\|\{}\(\)\[]\\\/\+\^]\)\/g,'\$1'\)\+'=\(\[\^;]\*\)'\)/.test(jsStr),
// new RegExp('\x5cw+\x20*\x5c(\x5c)\x20*{\x5cw+\x20*[\x27|\x22].+[\x27|\x22];?\x20*}');
"EscapedRegExp": /new RegExp\('\\x5cw+\\x20*\\x5c\(\\x5c\)\\x20\*\{\\x5cw\+\\x20\*\[\\x27|\\x22]\.\+\[\\x27|\\x22];\?\\x20*}'\);/.test(jsStr)
};
if (
schemas["PoShiftPushString"] +
schemas["DecreasingLoop"] +
schemas["ReplaceBase64RegExp"] +
schemas["PushAndShift"] +
schemas["ReturnWith++And>>And^"] +
schemas["CookieTimeoutDataObject"] +
schemas["SignReplaceRegExp"] +
schemas["EscapedRegExp"] >= 3
) {
globalDecryptorInfo.preprocessFunction.raw = jsStr;
return {
type: "PREPROCESS_FUNCTION",
content: globalDecryptorInfo.preprocessFunction
};
}
}
/**
* 解密函数
* @namespace globalDecryptorInfo.decryptor
* @description 使用解密数据完成字符串解密。
* 变量命名规则 _?[0-9a-zA-Z$]+?
* 字符串规则 'S+?'
* */
if (globalDecryptorInfo.signInfo.raw != null && globalDecryptorInfo.decryptor.raw == null) {
let isDecryptor = false;
if (globalDecryptorInfo.preprocessFunction.raw != null) {
// 有预处理函数
let schemas = {
// _0x542044=~~'0x'['concat'](_0x542044
"DoubleWaveConcat": /(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})=~~'0x'\['concat']\((_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})/.test(jsStr),
// Function('return\x20(function()\x20'+'{}.constructor(\x22return\x20this\x22)(\x20)'+');')
"FunctionConstructorString": /Function\('return\\x20\(function\(\)\\x20'\+'\{}\.constructor\(\\x22return\\x20this\\x22\)\(\\x20\)'\+'\);'\)/.test(jsStr),
// var _0x3ef5fb=typeof window!=='undefined'?window:typeof process==='object'&&typeof require==='function'&&typeof global==='object'?global:this;
"WhatIsThis": /var (_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})=typeof window!=='undefined'\?window:typeof process==='object'&&typeof require==='function'&&typeof global==='object'\?global:this;/.test(jsStr),
// var _0x1d2c53='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
"CharSetString": /var (_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789\+\/=';/.test(jsStr),
// '%'+('00'+_0x1f82f7['charCodeAt']
"ZeroPlusCharCodeAt": /'%'\+\('00'\+(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\['charCodeAt']/.test(jsStr),
// _0x53656e['charCodeAt'](_0x578a24%_0x53656e['length']))%0x100;
"CharCodeAtLength": /(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\['charCodeAt']\((_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})%(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\['length']\)\)%0x100;/.test(jsStr),
// +=String['fromCharCode'](
"PlusStringFromCharCode": /\+=String\['fromCharCode']\(/.test(jsStr)
};
// fs.appendFileSync("test.txt", JSON.stringify(schemas) + "\n");
if (
schemas["DoubleWaveConcat"] +
schemas["FunctionConstructorString"] +
schemas["WhatIsThis"] +
schemas["CharSetString"] +
schemas["ZeroPlusCharCodeAt"] +
schemas["CharCodeAtLength"] +
schemas["PlusStringFromCharCode"] >= 4
) {
isDecryptor = true;
}
} else {
// 无预处理函数
// function _0x9549(_0x52aa18,_0x1a09ad){_0x52aa18=~~'0x'['concat'](_0x52aa18['slice'](0x0));var _0x4fe032=_0x34a7[_0x52aa18];return _0x4fe032;};
if (/function (_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\((_0x[0-9a-f]{4,6}|[a-z0-9]{1,3}),(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\)\{(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})=~~'0x'\['concat']\((_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\['slice']\(0x0\)\);var (_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})=(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\[(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})];return (_0x[0-9a-f]{4,6}|[a-z0-9]{1,3});};/.test(jsStr)) {
isDecryptor = true;
}
}
if (isDecryptor) {
if (jsStr.startsWith("function ")) {
globalDecryptorInfo.decryptor.type = "function";
globalDecryptorInfo.decryptor.name = jsStr.slice(9, transRes.indexOf("("));
globalDecryptorInfo.decryptor.raw = jsStr;
return {
type: "DECRYPTOR",
content: globalDecryptorInfo.decryptor
};
} else if (jsStr.startsWith("var ")) {
globalDecryptorInfo.decryptor.type = "var";
globalDecryptorInfo.decryptor.name = jsStr.slice(4, transRes.indexOf("="));
globalDecryptorInfo.decryptor.raw = jsStr;
return {
type: "DECRYPTOR",
content: globalDecryptorInfo.decryptor
};
}
}
}
/**
* 验证函数
* @namespace globalDecryptorInfo.verifyFunction
* @description 验证解密数据是否被修改，并去掉头尾多余内容。
* 变量命名规则 _?[0-9a-zA-Z$]+?
* 字符串规则 'S+?'
* */
if (globalDecryptorInfo.signInfo.raw != null && globalDecryptorInfo.preprocessFunction.raw == null && globalDecryptorInfo.decryptor.raw != null) {
// for(_0x36eaeb=_0x39941e['shift'](_0x422e9c>>0x2);_0x36eaeb&&_0x36eaeb!==(_0x39941e['pop'](_0x422e9c>>0x3)+'')['replace'](/[ChUlbeWOEtLSnTtk=]/g,'');_0x422e9c++)
if (/for\((_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})=(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\['shift']\((_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})>>0x2\);(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})&&(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})!==\((_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\['pop']\((_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})>>0x3\)\+''\)\['replace']\(\/\[[a-zA-Z]+=?]\/g,''\);(_0x[0-9a-f]{4,6}|[a-z0-9]{1,3})\+\+\)/.test(jsStr)) {
globalDecryptorInfo.verifyFunction.raw = jsStr;
return {
type: "VERIFY_FUNCTION",
content: globalDecryptorInfo.verifyFunction
};
}
}
/**
* 空语句
* @namespace globalDecryptorInfo.empty
* @description 空语句。
* */
if (jsStr.trim() === "" || jsStr.trim() === ";") {
return {
type: "EMPTY",
content: {
raw: jsStr
}
};
}
/**
* 常规语句
* @namespace globalDecryptorInfo.common
* @description 常规语句。
* */
return {
type: "COMMON",
content: {
raw: jsStr
}
};
});
}
function decryptGlobalJs(js) {
let transStrRes = transStr(js);
let boolMarkPos = Number.POSITIVE_INFINITY;
while ((boolMarkPos === Number.POSITIVE_INFINITY || boolMarkPos - 1 >= 0) && (boolMarkPos = transStrRes.lastIndexOf("![]", boolMarkPos - 1)) !== -1) {
logger.weakUpdate();
if (transStrRes[boolMarkPos - 1] === "!") {
js = js.replaceWithStr(boolMarkPos - 1, boolMarkPos + 3, ((transStrRes[boolMarkPos - 2].match(/[{}\[\]().,+\-*\/~!%<>=&|^?:; @]/) ? "" : " ")) + "true");
} else {
js = js.replaceWithStr(boolMarkPos, boolMarkPos + 3, ((transStrRes[boolMarkPos - 1].match(/[{}\[\]().,+\-*\/~!%<>=&|^?:; @]/) ? "" : " ")) + "false");
}
}
let jsArr = splitStatements(js);
let statementsTypeArr = getStatementsType(jsArr);
if (globalDecryptorInfo.decryptor.raw === null) {
pause("【警告】解密函数识别失败，可在 GitHub[https://github.com/NXY666/JsjiamiV6-Decryptor] 上提交 issue 以寻找原因。");
return jsArr;
} else {
if (globalDecryptorInfo.preprocessFunction.raw === null && globalDecryptorInfo.verifyFunction.raw === null) {
pause("【警告】已发现解密函数，但未发现其对应的预处理函数或验证函数，可能无法正常运行。可在 GitHub[https://github.com/NXY666/JsjiamiV6-Decryptor] 上提交 issue 以寻找原因。");
}
virtualGlobalEval(globalDecryptorInfo.signInfo.raw);
virtualGlobalEval(globalDecryptorInfo.preprocessFunction.raw);
virtualGlobalEval(globalDecryptorInfo.decryptor.raw);
virtualGlobalEval(globalDecryptorInfo.verifyFunction.raw);
}
return jsArr.filter(function (jsStr, index) {
return statementsTypeArr[index].type === "COMMON";
}).map(function (funcJs) {
logger.weakUpdate();
transStrRes = transStr(funcJs);
let decryptorPos = Number.POSITIVE_INFINITY;
while ((decryptorPos === Number.POSITIVE_INFINITY || decryptorPos - 1 >= 0) && (decryptorPos = transStrRes.lastIndexOf(`${globalDecryptorInfo.decryptor.name}('`, decryptorPos - 1)) !== -1) {
logger.weakUpdate();
let endPos = transStrRes.indexOf(")", decryptorPos);
funcJs = funcJs.replaceWithStr(decryptorPos, endPos + 1, escapeEvalStr(virtualEval(funcJs.slice(decryptorPos, endPos + 1))));
}
return funcJs;
});
}
jsStatementsArr = decryptGlobalJs(js);
fs.writeFileSync("DecryptResult1.js", jsStatementsArr.join("\n"));
logger.logWithoutProgress("解除代码块加密");
/**
* 获取代码块内加密对象的名称
* @param jsStr {string} 需解析的代码块
* @returns {string | boolean} 若传入的代码块包含加密对象则输出加密对象名称，反之则输出false。
*/
function getCodeBlockDecryptorName(jsStr) {
// jsStr为空或不是以var 开头
if (!jsStr || jsStr.slice(0, 4) !== "var ") {
// fs.appendFileSync("res.txt", "初步检查不通过:" + jsStr.slice(0, 100) + "\n");
// console.log("初步检查不通过:", jsStr.slice(0, 100));
return false;
}
let transStrRes = transStr(jsStr),
transLayerRes = transLayer(transStrRes, 1, true),
transLayer2Res = transLayer(transStrRes, 2, true);
let startPos = transLayer2Res.indexOf("{") + 1, endPos = transLayer2Res.lastIndexOf("}"), strScanLen = 0;
// 先过一遍
if (!transLayerRes.match(/var _?[0-9a-zIQO$]+=\{Q+};/)) {
// fs.appendFileSync("res.txt", "局部格式检查不通过:" + jsStr.slice(0, 100) + "\n");
return false;
}
transStrRes = transStrRes.slice(startPos, endPos);
let checkRes = transLayer2Res.slice(startPos, endPos).split(",").every(function (objectItem) {
let itemTransRes = transStrRes.slice(strScanLen, strScanLen + objectItem.length);
let itemTransLayer2Res = transLayer(itemTransRes, 2, true);
if (objectItem.match(/^'(S)+':'(S)+'$/) || itemTransLayer2Res.match(/^'S+':function\([^)]*\)\{return[^;]*;}$/)) {
strScanLen += objectItem.length + 1;
return true;
} else {
return false;
}
});
if (checkRes) {