ctexcel uk 小额充值脚本

// ==UserScript==
// @name         CTExcelbiz UK 充值金额解锁
// @namespace    http://tampermonkey.net/
// @version      2026-10-03
// @description  无视官网最低充值金额限制, 最低可充值0.01
// @author       Unknown
// @match        https://www.ctexcel.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=www.ctexcel.com
// @run-at       document-idle
// @grant        none
// ==/UserScript==
// Code from https://www.nodeseek.com/post-961912-1 2026/10/03 11:51:38 AM UTC+8

(async function ctexcelSmallTopup() {
  'use strict';

  // 修改这里即可调整金额
  const AMOUNT = '0.10';
  const RUN_KEY = '__ctexcelSmallTopupRunning';

  function pennies(value) {
    if (!/^(?:0|[1-9]\d*)(?:\.\d{1,2})?$/.test(String(value))) {
      return NaN;
    }

    const [whole, fraction = ''] = String(value).split('.');
    return Number(whole) * 100 + Number(fraction.padEnd(2, '0'));
  }

  function verifyPreview(response, expected) {
    if (!response || String(response.code) !== '0') {
      throw new Error(
        `接口拒绝请求：${response?.code ?? '未知代码'} ${
          response?.message ?? ''
        }`
      );
    }

    const info = response.data;

    if (!info || typeof info !== 'object' || Array.isArray(info)) {
      throw new Error('接口没有返回有效充值预览。');
    }

console.info('服务器预览结果：', {
  号码状态: info.slrStatus,
  充值金额: info.subtotal
});

// 与官网前端一致：拦截这五种异常号码状态。
if (
  ['-1', '-2', '-3', '-4', '-5'].includes(
    String(info.slrStatus)
  )
) {
  throw new Error(
    `官网返回异常号码状态：${info.slrStatus}，停止。`
  );
}

    // 官网确认页使用 subtotal 作为订单金额。
    if (
      info.subtotal == null ||
      pennies(info.subtotal) !== expected
    ) {
      throw new Error(`服务器返回的金额不是 £${AMOUNT}，停止。`);
    }

    for (const field of [
      'rechargeAmount',
      'totalAmount',
      'orderPrice'
    ]) {
      if (
        info[field] != null &&
        pennies(info[field]) !== expected
      ) {
        throw new Error(`返回金额字段 ${field} 不一致，停止。`);
      }
    }

    return info;
  }

  let ownRun = false;

  try {
    if (
      location.origin !== 'https://www.ctexcel.com' ||
      location.pathname !== '/uk/recharge/prepaid'
    ) {
      throw new Error(
        '请先打开 https://www.ctexcel.com/uk/recharge/prepaid'
      );
    }

    const expected = pennies(AMOUNT);

    if (
      !Number.isSafeInteger(expected) ||
      expected < 1 ||
      expected > 50000
    ) {
      throw new Error('金额必须为 £0.01–£500.00，最多两位小数。');
    }

    if (window[RUN_KEY]) {
      throw new Error('已有预览请求正在进行，请等待结果。');
    }

    window[RUN_KEY] = true;
    ownRun = true;

    const visibleInput = placeholder =>
      [...document.querySelectorAll('input')].find(
        el =>
          el.placeholder === placeholder &&
          el.getClientRects().length
      );

    const msisdn =
      visibleInput('CTExcel number')?.value.trim() ||
      visibleInput('手机号码')?.value.trim() ||
      prompt(
        '请输入你自己的 CTExcel 英国号码（不是中国副号）：'
      )?.trim();

    const email =
      visibleInput('Please enter your email')?.value.trim() ||
      [...document.querySelectorAll('input')]
        .find(
          el =>
            /邮箱/.test(el.placeholder) &&
            el.getClientRects().length
        )
        ?.value.trim() ||
      prompt('请输入用于本次充值的邮箱：')?.trim();

    if (!msisdn || !/^\d{10,12}$/.test(msisdn)) {
      throw new Error(
        '号码应为 10–12 位数字，请使用官网接受的号码格式。'
      );
    }

    if (
      !email ||
      !/^[^\s@]+@[^\s@]+\.[^\s@]+$/.test(email)
    ) {
      throw new Error('邮箱为空或格式不正确。');
    }

    const entry = [
      ...document.querySelectorAll('script[type="module"][src]')
    ].find(el =>
      /^https:\/\/www\.ctexcel\.com\/uk\/js\/app\.[^/]+\.js$/.test(
        el.src
      )
    );

    if (!entry) {
      throw new Error(
        '找不到官网模块，请等待页面完整加载后再试。'
      );
    }

    // 复用官网已经加载的请求模块及其加密逻辑。
    const officialModule = await import(entry.src);
    const http = officialModule.z;
    const api = officialModule.P;

    const previewURL =
      'https://www.ctexcel.com/newcteuk/recharge/onlineRechargeDetail';

    if (
      typeof http?.post !== 'function' ||
      api?.onlineRechargeDetail !== previewURL
    ) {
      throw new Error('官网模块接口已变化，停止。');
    }

    console.info(
      `正在请求 £${AMOUNT} 充值预览；未提交付款订单。`
    );

    const response = await new Promise((resolve, reject) => {
      const timer = setTimeout(
        () =>
          reject(
            new Error(
              '未收到可用预览结果。请查看官网提示；请求可能已到达服务器，请勿反复提交。'
            )
          ),
        35000
      );

      const finish = callback => value => {
        clearTimeout(timer);
        callback(value);
      };

      try {
        http.post(
          previewURL,
          {
            msisdn,
            rechargeType: 1,
            rechargeAmount: AMOUNT,
            email
          },
          finish(resolve),
          finish(reject)
        );
      } catch (error) {
        clearTimeout(timer);
        reject(error);
      }
    });

    const info = verifyPreview(response, expected);
function normalizeUKPhone(value) {
  let phone = String(value ?? '').replace(/\D/g, '');

  if (phone.startsWith('0044')) {
    phone = '0' + phone.slice(4);
  } else if (phone.startsWith('44')) {
    phone = '0' + phone.slice(2);
  } else if (/^7\d{9}$/.test(phone)) {
    phone = '0' + phone;
  }

  return phone;
}

const phoneMatches =
  info.msisdn != null &&
  normalizeUKPhone(info.msisdn) === normalizeUKPhone(msisdn);

const emailMatches =
  info.email != null &&
  String(info.email).trim() === email.trim();

console.info('返回信息核对：', {
  服务器金额: info.subtotal,
  是否返回号码: info.msisdn != null,
  号码统一格式后是否一致: phoneMatches,
  是否返回邮箱: info.email != null,
  邮箱是否一致: emailMatches
});

if (!phoneMatches) {
  throw new Error('服务器返回的号码不匹配，停止。');
}

// 返回了邮箱却不一致，才停止。
if (info.email != null && !emailMatches) {
  throw new Error('服务器返回的邮箱不匹配，停止。');
}

// 接口未回传邮箱，沿用本次请求中你填写的邮箱。
if (info.email == null) {
  info.email = email;
}

    console.info(
      `服务器预览金额为 £${AMOUNT}，进入确认页后请再次核对金额。`
    );

    sessionStorage.setItem(
      'rechargeInfos',
      JSON.stringify(info)
    );

    // 仅进入确认页，不生成付款订单，也不自动支付。
    location.assign(
      'https://www.ctexcel.com/uk/recharge/confirm'
    );
  } catch (error) {
    console.error(
      '充值预览已停止：',
      error instanceof Error ? error.message : String(error)
    );
  } finally {
    if (ownRun) {
      window[RUN_KEY] = false;
    }
  }
})();