133 lines
4.8 KiB
JavaScript
133 lines
4.8 KiB
JavaScript
#!/usr/bin/env node
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/**
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* 在 jsdom 中执行 goods.shtml 的原始脚本并导出 fp-behv 参数。
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*
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* 该脚本只生成 DeviceFP，不会提交 fp-behv 或 web_save。
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* 调用方必须把同一份 goods HTML、goods URL 与生成的 fp 参数配对使用。
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*/
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import fs from 'node:fs';
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import path from 'node:path';
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import { fileURLToPath } from 'node:url';
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import { JSDOM, ResourceLoader } from 'jsdom';
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import { patchEnvironment } from './jsdom-patch-env.mjs';
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const __dirname = path.dirname(fileURLToPath(import.meta.url));
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const ROOT = path.resolve(__dirname, '..');
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const argv = process.argv.slice(2);
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const getArg = (name, fallback = '') => {
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const index = argv.indexOf(name);
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return index === -1 ? fallback : argv[index + 1];
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};
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const htmlPath = getArg('--html');
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const goodsUrl = getArg('--goods-url');
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const cookiePath = getArg('--cookies');
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const outputPath = getArg('--output');
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const waitMs = Number.parseInt(getArg('--wait', '12000'), 10);
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const useArchivedAssets = argv.includes('--archived-assets');
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function fail(message) {
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console.error(`generate-devicefp-jsdom: ${message}`);
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process.exit(2);
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}
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if (!htmlPath || !goodsUrl || !outputPath) {
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fail('用法: node scripts/generate-devicefp-jsdom.mjs --html <goods.html> --goods-url <URL> --output <fp.json> [--cookies <session.json>]');
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}
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if (!fs.existsSync(htmlPath)) fail(`HTML 不存在: ${htmlPath}`);
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if (cookiePath && !fs.existsSync(cookiePath)) fail(`会话文件不存在: ${cookiePath}`);
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const archived = {
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'vendor.': path.join(ROOT, 'replay', 'vendor.js'),
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'cgiVendor.': path.join(ROOT, 'replay', 'cgiVendor.js'),
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'goodsBiz.': path.join(ROOT, 'replay', 'goodsBiz.js'),
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'goods.': path.join(ROOT, 'replay', 'goods.js'),
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};
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class GoodsLoader extends ResourceLoader {
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fetch(url, options) {
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if (!useArchivedAssets) return super.fetch(url, options);
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try {
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const file = new URL(url).pathname.split('/').pop();
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for (const [prefix, localPath] of Object.entries(archived)) {
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if (file.startsWith(prefix)) return Promise.resolve(fs.readFileSync(localPath));
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}
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} catch {
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// jsdom will surface resource errors through its virtual console.
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}
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return Promise.resolve(Buffer.from(''));
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}
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}
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const session = cookiePath ? JSON.parse(fs.readFileSync(cookiePath, 'utf8')) : {};
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const cookies = session.cookies || {};
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const captured = [];
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const resourceErrors = [];
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const dom = new JSDOM(fs.readFileSync(htmlPath, 'utf8'), {
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url: goodsUrl,
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referrer: 'https://z.iwan.yyb.qq.com/',
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pretendToBeVisual: true,
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runScripts: 'dangerously',
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resources: new GoodsLoader(),
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beforeParse(window) {
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patchEnvironment(window);
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for (const [name, value] of Object.entries(cookies)) {
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if (value) window.document.cookie = `${name}=${value}`;
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}
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// goods boot only needs an accepted fp-behv response to continue. Keep all
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// traffic local so this process cannot accidentally submit a payment.
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const NativeXHR = window.XMLHttpRequest;
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window.XMLHttpRequest = class extends NativeXHR {
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open(method, url, async = true) {
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this.__yybMethod = method;
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this.__yybUrl = String(url);
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return super.open(method, url, async);
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}
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send(body) {
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const requestBody = String(body || '');
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if (this.__yybUrl.includes('fp-behv.fcg')) {
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captured.push({ url: this.__yybUrl, body: requestBody });
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}
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this.readyState = 4;
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this.status = 200;
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this.responseText = '{"ret":0,"msg":"","interval":10,"page_num":8,"report_flag":0}';
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if (typeof this.onreadystatechange === 'function') this.onreadystatechange();
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if (typeof this.onload === 'function') this.onload();
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}
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};
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window.addEventListener('error', event => {
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resourceErrors.push(String(event.error || event.message || 'unknown error'));
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});
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},
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});
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await new Promise(resolve => setTimeout(resolve, Number.isFinite(waitMs) ? waitMs : 12000));
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const fp = captured.at(-1);
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if (!fp) {
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dom.window.close();
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fail(`未生成 fp-behv；加载错误: ${resourceErrors.slice(0, 3).join(' | ') || '无'}`);
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}
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const values = Object.fromEntries(new URLSearchParams(fp.body));
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if (!values.SessionID || !values.DeviceFP) {
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dom.window.close();
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fail('fp-behv 缺少 SessionID 或 DeviceFP');
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}
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const result = {
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generated_at: new Date().toISOString(),
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goods_url: goodsUrl,
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fp_url: new URL(fp.url, goodsUrl).href,
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fp_body: fp.body,
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session_id: values.SessionID,
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device_fp_length: values.DeviceFP.length,
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archived_assets: useArchivedAssets,
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};
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fs.mkdirSync(path.dirname(outputPath), { recursive: true });
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fs.writeFileSync(outputPath, JSON.stringify(result, null, 2) + '\n');
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dom.window.close();
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console.log(`DeviceFP 已保存: ${outputPath}`);
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console.log(`SessionID: ${result.session_id}`);
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console.log(`DeviceFP 长度: ${result.device_fp_length}`);
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