124 lines
4.8 KiB
JavaScript
124 lines
4.8 KiB
JavaScript
// ==UserScript==
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// @name Metamogu 补货自动检测
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// @namespace http://tampermonkey.net/
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// @version 3.0
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// @description 响应非 500 时直接替换页面或重定向。
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// @author Gemini
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// @match https://metamogu.sa-vrc-media.com/redeem-code/redirect*
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// @grant GM_notification
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// @run-at document-idle
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// ==/UserScript==
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(function() {
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'use strict';
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let checkCount = 0;
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let countdownTimer = null;
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// 1. 创建右下角浮窗 UI
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const ui = document.createElement('div');
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ui.style.cssText = `
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position: fixed;
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bottom: 20px;
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right: 20px;
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padding: 15px 20px;
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background-color: rgba(0, 0, 0, 0.75);
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color: #00FF00;
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font-family: 'Microsoft YaHei', sans-serif;
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font-size: 14px;
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border-radius: 8px;
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z-index: 2147483647;
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box-shadow: 0 4px 10px rgba(0,0,0,0.3);
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pointer-events: none;
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backdrop-filter: blur(4px);
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line-height: 1.6;
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transition: all 0.3s ease;
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`;
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if (document.body) {
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document.body.appendChild(ui);
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} else {
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document.documentElement.appendChild(ui);
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}
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// 更新浮窗内容
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function updateUI(text, color = "#00FF00") {
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ui.style.color = color;
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ui.innerHTML = text;
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}
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// 2. 核心检测逻辑 (原生 async/await fetch)
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async function doCheck() {
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checkCount++;
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updateUI(`🔄 第 <b>${checkCount}</b> 次检测中...`, "#FFD700");
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try {
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// 使用原生 fetch，完美伪装成正常的页面加载请求
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const response = await fetch(window.location.href, {
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method: "GET",
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cache: "no-store", // 强制不缓存，确保获取最新状态
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headers: {
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// 模拟常见的浏览器请求头，避免被 WAF 拦截
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"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8"
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}
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});
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const status = response.status;
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// 如果发生了 301/302 重定向，fetch 默认会跟随，response.redirected 会变为 true
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const finalUrl = response.url;
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const isRedirected = response.redirected;
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if (status === 500) {
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// 缺货状态：随机 5~30 秒倒计时
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const delaySec = Math.floor(Math.random() * (30 - 5 + 1)) + 5;
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let currentSec = delaySec;
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updateUI(`❌ 状态: 缺货中 (500)<br>⏱️ 倒计时: <b>${currentSec}</b> 秒后检测<br>📊 累计检测: <b>${checkCount}</b> 次`, "#FF4500");
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document.title = `[等待 ${currentSec}s] 监控中...`;
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countdownTimer = setInterval(() => {
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currentSec--;
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if (currentSec <= 0) {
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clearInterval(countdownTimer);
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doCheck();
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} else {
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updateUI(`❌ 状态: 缺货中 (500)<br>⏱️ 倒计时: <b>${currentSec}</b> 秒后检测<br>📊 累计检测: <b>${checkCount}</b> 次`, "#FF4500");
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document.title = `[等待 ${currentSec}s] 监控中...`;
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}
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}, 1000);
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} else {
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// 已补货！状态不再是 500
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updateUI(`✅ 状态: <b>${status}</b><br>🎉 已补货，正在处理...<br>📊 累计检测: <b>${checkCount}</b> 次`, "#00FF00");
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document.title = `[已补货！] 状态 ${status}`;
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GM_notification({
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title: "🌟 Metamogu 补货啦！",
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text: `检测到状态变化，已为您渲染最新页面！`,
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timeout: 10000,
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highlight: true,
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onclick: () => window.focus()
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});
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// 处理 302 重定向或 200 成功
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if (isRedirected || finalUrl !== window.location.href) {
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console.log("检测到重定向，正在跳转至:", finalUrl);
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window.location.replace(finalUrl); // 使用 replace 避免产生多余的历史记录
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} else {
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console.log("状态 200，正在替换页面 DOM...");
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const htmlText = await response.text();
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document.open();
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document.write(htmlText);
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document.close();
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}
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}
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} catch (error) {
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// 请求出错处理 (例如断网或跨域异常)
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console.error("Fetch 请求出错:", error);
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updateUI(`⚠️ 网络请求异常<br>⏱️ 10秒后重试...<br>📊 累计检测: <b>${checkCount}</b> 次`, "#FF6347");
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setTimeout(doCheck, 10000);
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}
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}
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// 启动检测
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doCheck();
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})(); |