qry-python-js/routes/service/FpService.js

const CryptoJS = require('crypto-js');
const {jsdomFromText, browser} = require("sdenv");
const {Script} = require("node:vm");
const fs = require("node:fs");
const path = require("node:path");

const FpCrypt = require("./static/fp/fp-crypt");

class FpService {
    js = fs.readFileSync(path.resolve(__dirname, './static/fp/chunk-npjg4qgmmrfrjl3r.js'), 'utf8').toString();

    /**
     *
     * @param url
     * @param param
     * @param html
     * @param loginCookieStr
     * @param publicKey
     * @returns {Promise<*>}
     */
    async get_los(url, param, html, loginCookieStr, publicKey) {
        let baseUrl = new URL(url).origin;
        let urlPath = url.replace(baseUrl, "");
        let headers = {};

        console.time('los生成时长')
        const [jsDom, cookieJar] = jsdomFromText({
            url: `${baseUrl}/invoice-query/invoice-query`,
            referrer: baseUrl,
            userAgent: 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36',
            contentType: "text/html",
            runScripts: "outside-only", // runScripts: 'dangerously'/'outside-only'
        })
        // 加载dom
        let dom = await jsDom(html);
        const window = dom.window

        // 设置 cookie
        if (loginCookieStr != null && loginCookieStr != "") {
           for (let cookie of loginCookieStr.trim().split("; ")) {
               cookieJar.setCookieSync(cookie, baseUrl);
           }
        }


        browser(window, 'chrome');
        // 加载js
        let script = new Script(this.js);
        let internalVMContext = dom.getInternalVMContext();
        // 执行 js
        script.runInContext(internalVMContext, {timeout: 1000});

        if (window.$dunm.$byno) {
            window.$dunm.$byno();
        }

        let fpCrypt = new FpCrypt(loginCookieStr, publicKey);

        // 处理 Param
        let handleParam = fpCrypt.handleParam(param, urlPath);
        console.log(`处理 Param 结果 ${JSON.stringify(handleParam)}`)
        var enParam = ""
        if (handleParam["enVal"]) {
            enParam = JSON.stringify({'Jmbw': handleParam["enVal"]});
            headers['security-mes-key'] = handleParam["enMesKey"]
        }
        // 处理 xhr 后缀
        let handleSuffix = fpCrypt.handleSuffix(urlPath);
        console.log(`处理 xhr 后缀 ${JSON.stringify(handleSuffix)}`)

        let los = window[window["_d_ts"]](handleSuffix, enParam);
        headers['lzkqow23819'] = los.hd
        los["headers"] = headers['security-mes-key']
        los["cookies"] = cookieJar.getCookieStringSync(baseUrl);

        console.log('js执行完成,返回结果 ', JSON.stringify(los))
        // 关闭
        dom.window.close()
        console.timeEnd('los生成时长')
        return los
    }

}

module.exports = FpService