yydspure/utils/MoveMentFaker.js

140 lines
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2022-07-28 21:53:26 +08:00
const https = require('https');
const fs = require('fs/promises');
const { R_OK } = require('fs').constants;
const vm = require('vm');
const UA = require('../USER_AGENTS.js').USER_AGENT;
const URL = 'https://wbbny.m.jd.com/babelDiy/Zeus/2rtpffK8wqNyPBH6wyUDuBKoAbCt/index.html';
// const REG_MODULE = /(\d+)\:function\(.*(?=smashUtils\.get_risk_result)/gm;
const SYNTAX_MODULE = '!function(n){var r={};function o(e){if(r[e])';
const REG_SCRIPT = /<script type="text\/javascript" src="([^><]+\/(app\.\w+\.js))\">/gm;
const REG_ENTRY = /(__webpack_require__\(__webpack_require__\.s=)(\d+)(?=\)})/;
const needModuleId = 356
const DATA = {appid:'50085',sceneid:'OY217hPageh5'};
let smashUtils;
class MoveMentFaker {
constructor(cookie) {
// this.secretp = secretp;
this.cookie = cookie;
}
async run() {
if (!smashUtils) {
await this.init();
}
var t = Math.floor(1e7 + 9e7 * Math.random()).toString();
var e = smashUtils.get_risk_result({
id: t,
data: {
random: t
}
}).log;
var o = JSON.stringify({
extraData: {
log: e || -1,
// log: encodeURIComponent(e),
sceneid: DATA.sceneid,
},
// secretp: this.secretp,
random: t
})
// console.log(o);
return o;
}
async init() {
try {
// console.time('MoveMentFaker');
process.chdir(__dirname);
const html = await MoveMentFaker.httpGet(URL);
const script = REG_SCRIPT.exec(html);
if (script) {
const [, scriptUrl, filename] = script;
const jsContent = await this.getJSContent(filename, scriptUrl);
const fnMock = new Function;
const ctx = {
window: { addEventListener: fnMock },
document: {
addEventListener: fnMock,
removeEventListener: fnMock,
cookie: this.cookie
},
navigator: { userAgent: UA }
};
vm.createContext(ctx);
vm.runInContext(jsContent, ctx);
smashUtils = ctx.window.smashUtils;
smashUtils.init(DATA);
// console.log(ctx);
}
// console.log(html);
// console.log(script[1],script[2]);
// console.timeEnd('MoveMentFaker');
} catch (e) {
console.log(e)
}
}
async getJSContent(cacheKey, url) {
try {
await fs.access(cacheKey, R_OK);
const rawFile = await fs.readFile(cacheKey, { encoding: 'utf8' });
return rawFile;
} catch (e) {
let jsContent = await MoveMentFaker.httpGet(url);
const moduleIndex = jsContent.indexOf(SYNTAX_MODULE, 1);
const findEntry = REG_ENTRY.test(jsContent);
if (!(moduleIndex && findEntry)) {
throw new Error('Module not found.');
}
// const needModuleId = jsContent.substring(moduleIndex-20, moduleIndex).match(/(\d+):function/)[1]
jsContent = jsContent.replace(REG_ENTRY, `$1${needModuleId}`);
fs.writeFile(cacheKey, jsContent);
return jsContent;
REG_ENTRY.lastIndex = 0;
const entry = REG_ENTRY.exec(jsContent);
console.log(moduleIndex, needModuleId);
console.log(entry[1], entry[2]);
}
}
static httpGet(url) {
return new Promise((resolve, reject) => {
const protocol = url.indexOf('http') !== 0 ? 'https:' : '';
const req = https.get(protocol + url, (res) => {
res.setEncoding('utf-8');
let rawData = '';
res.on('error', reject);
res.on('data', chunk => rawData += chunk);
res.on('end', () => resolve(rawData));
});
req.on('error', reject);
req.end();
});
}
}
async function getBody($) {
const zf = new MoveMentFaker($.cookie);
// const zf = new MoveMentFaker($.secretp, $.cookie);
const ss = await zf.run();
return ss;
}
MoveMentFaker.getBody = getBody;
module.exports = MoveMentFaker;