限制指定主域名及其所有子域名的访问，显示确认页面（无刷新），支持30分钟、今日内和本次会话不再提示，受限列表存储在 GM_Value 中，已确认页面显示倒计时，支持通过菜单添加当前域名到限制列表
// ==UserScript==
// @name 网站访问确认脚本
// @namespace https://github.com/liucong2013/userscript-site-access-check
// @version 1.8
// @icon data:image/jpeg;base64,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
// @description 限制指定主域名及其所有子域名的访问，显示确认页面（无刷新），支持30分钟、今日内和本次会话不再提示，受限列表存储在 GM_Value 中，已确认页面显示倒计时，支持通过菜单添加当前域名到限制列表
// @author lc cong
// @match *://*/*
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_deleteValue
// @grant GM_addStyle
// @grant GM_registerMenuCommand
// @run-at document_start
// @noframes
// @supportURL https://raw.githubusercontent.com/liucong2013/userscript-site-access-check/refs/heads/main/README.md
// ==/UserScript==
(function() {
'use strict';
if (window.top !== window.self) {
console.log("脚本在 iframe 中运行，退出。");
return;
}
// --- 配置 ---
const RESTRICTED_DOMAINS_KEY = 'my_restricted_domains';
const LOCAL_CONFIRM_KEY_PREFIX = 'confirmed_access_';
// --- 工具函数 ---
function getRestrictedBaseDomains() {
const domainsJson = GM_getValue(RESTRICTED_DOMAINS_KEY, '[]');
try {
const domains = JSON.parse(domainsJson);
return Array.isArray(domains) ? domains : [];
} catch (e) {
console.error("解析受限域名列表失败:", e);
GM_deleteValue(RESTRICTED_DOMAINS_KEY);
return [];
}
}
function setRestrictedBaseDomains(domainsArray) {
GM_setValue(RESTRICTED_DOMAINS_KEY, JSON.stringify(domainsArray));
}
function getBaseDomain(hostname) {
if (!hostname) return '';
const parts = hostname.split('.');
if (parts.length <= 2) return hostname;
const secondLast = parts[parts.length - 2];
const commonTldParts = ['co', 'com', 'org', 'net', 'gov', 'edu', 'ac'];
if (commonTldParts.includes(secondLast) && parts.length >= 3) {
return parts.slice(-3).join('.');
}
return parts.slice(-2).join('.');
}
function findMatchingRestrictedDomain(hostname, restrictedDomains) {
return restrictedDomains.find(baseDomain =>
hostname === baseDomain || hostname.endsWith('.' + baseDomain)
);
}
function getEndOfTodayTimestamp() {
const now = new Date();
return new Date(now.getFullYear(), now.getMonth(), now.getDate(), 23, 59, 59, 999).getTime();
}
function isLocalConfirmedAndNotExpired(domainKey) {
const storedData = GM_getValue(LOCAL_CONFIRM_KEY_PREFIX + domainKey, null);
if (!storedData) return false;
try {
const { timestamp, expiryType } = JSON.parse(storedData);
const now = Date.now();
if (expiryType === '30min') return now < timestamp + 30 * 60 * 1000;
if (expiryType === '5min') return now < timestamp + 5 * 60 * 1000;
if (expiryType === 'today') {
const todayStart = new Date().setHours(0, 0, 0, 0);
return timestamp >= todayStart && now < getEndOfTodayTimestamp();
}
return false;
} catch (e) {
console.error("解析确认状态失败:", e);
GM_deleteValue(LOCAL_CONFIRM_KEY_PREFIX + domainKey);
return false;
}
}
function setLocalConfirmed(domainKey, expiryType) {
const confirmInfo = { timestamp: Date.now(), expiryType };
GM_setValue(LOCAL_CONFIRM_KEY_PREFIX + domainKey, JSON.stringify(confirmInfo));
return confirmInfo;
}
function showToast(message) {
const toast = document.createElement('div');
toast.textContent = message;
GM_addStyle(`
#gm-toast { position: fixed; top: 20px; left: 50%; transform: translateX(-50%); background-color: #333; color: white; padding: 10px 20px; border-radius: 5px; z-index: 999999; font-size: 14px; }
`);
toast.id = 'gm-toast';
document.body.appendChild(toast);
setTimeout(() => toast.remove(), 3000);
}
function showRestrictionOverlay(hostname, domainToConfirm) {
const overlay = document.createElement('div');
overlay.id = 'restriction-overlay';
GM_addStyle(`
#restriction-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0, 0, 0, 0.7); z-index: 9999998; display: flex; justify-content: center; align-items: center; font-family: sans-serif; }
.restriction-container { background-color: #fff; padding: 30px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); text-align: center; max-width: 500px; }
.restriction-container h1 { color: #d9534f; margin-bottom: 20px; }
.restriction-container p { color: #555; margin-bottom: 30px; line-height: 1.6; }
.button-container button { background-color: #5cb85c; color: white; border: none; padding: 10px 20px; border-radius: 5px; cursor: pointer; font-size: 15px; margin: 5px; transition: background-color 0.3s ease; }
.button-container button:hover { background-color: #4cae4c; }
`);
overlay.innerHTML = `
<div class="restriction-container">
<h1>⚠️ 访问受限</h1>
<p>您正尝试访问的网站 <strong>${hostname}</strong> 已被标记为受限。请确认您希望继续访问，并选择本次确认的有效时长。</p>
<div class="button-container">
<button data-expiry="30min">30分钟内不再提示</button>
<button data-expiry="today">今天内不再提示</button>
<button data-expiry="5min">允许访问5分钟</button>
</div>
</div>
`;
overlay.addEventListener('click', (e) => {
if (e.target.tagName === 'BUTTON') {
const expiryType = e.target.dataset.expiry;
const confirmInfo = setLocalConfirmed(domainToConfirm, expiryType);
overlay.remove();
showCountdown(hostname, confirmInfo.expiryType, confirmInfo.timestamp);
}
});
// 等待DOM加载完成再插入
if (document.body) {
document.body.appendChild(overlay);
} else {
document.addEventListener('DOMContentLoaded', () => document.body.appendChild(overlay));
}
}
function showCountdown(hostname, expiryType, timestamp) {
if (!document.body) {
window.addEventListener('DOMContentLoaded', () => showCountdown(hostname, expiryType, timestamp));
return;
}
GM_addStyle(`
#restriction-countdown { position: fixed; bottom: 20px; right: 10px; background-color: rgba(255, 255, 255, 0.9); border: 1px solid #ccc; padding: 5px 10px; border-radius: 4px; font-size: 12px; z-index: 9999999; box-shadow: 0 1px 4px rgba(0,0,0,0.1); color: black; cursor: pointer; }
`);
const countdownDiv = document.createElement('div');
countdownDiv.id = 'restriction-countdown';
document.body.appendChild(countdownDiv);
let intervalId = setInterval(updateCountdown, 1000);
countdownDiv.addEventListener('dblclick', () => {
clearInterval(intervalId);
countdownDiv.remove();
});
function formatRemainingTime(ms) {
if (ms <= 0) return '0s';
const totalSeconds = Math.floor(ms / 1000);
const hours = Math.floor(totalSeconds / 3600);
const minutes = Math.floor((totalSeconds % 3600) / 60);
const seconds = totalSeconds % 60;
let parts = [];
if (hours > 0) parts.push(`${hours}h`);
if (minutes > 0) parts.push(`${minutes}m`);
if (seconds > 0 || parts.length === 0) parts.push(`${seconds}s`);
return parts.join(' ');
}
function updateCountdown() {
const now = Date.now();
let remainingTime, expiryLabel;
if (expiryType === '30min') {
remainingTime = (timestamp + 30 * 60 * 1000) - now;
expiryLabel = '剩余';
} else if (expiryType === '5min') {
remainingTime = (timestamp + 5 * 60 * 1000) - now;
expiryLabel = '剩余';
} else if (expiryType === 'today') {
remainingTime = getEndOfTodayTimestamp() - now;
expiryLabel = '今日剩余';
}
if (remainingTime <= 0) {
countdownDiv.textContent = `❌ 确认已过期`;
clearInterval(intervalId);
return;
}
countdownDiv.textContent = `⏳ ${expiryLabel}: ${formatRemainingTime(remainingTime)}`;
}
updateCountdown();
}
function addCurrentDomainToRestrictedList() {
const currentHostname = window.location.hostname;
if (!currentHostname || currentHostname === 'localhost') {
showToast("无法获取当前域名或不支持本地地址。");
return;
}
const baseDomain = getBaseDomain(currentHostname);
const restrictedDomains = getRestrictedBaseDomains();
if (restrictedDomains.includes(baseDomain)) {
showToast(`主域名 "${baseDomain}" 已在限制列表中。`);
return;
}
restrictedDomains.push(baseDomain);
setRestrictedBaseDomains(restrictedDomains);
showToast(`主域名 "${baseDomain}" 已添加到限制列表。`);
// 动态更新菜单
registerMenus(baseDomain);
// 显示限制（如果当前页面就是刚添加的）
if (!document.getElementById('restriction-overlay')) {
showRestrictionOverlay(currentHostname, baseDomain);
}
}
function registerMenus(matchingDomain) {
// 清除旧菜单，防止重复
if (window.registeredMenuCommands) {
window.registeredMenuCommands.forEach(GM_unregisterMenuCommand);
}
window.registeredMenuCommands = [];
let cmd1 = GM_registerMenuCommand("➕ 添加当前主域名到限制列表", addCurrentDomainToRestrictedList);
window.registeredMenuCommands.push(cmd1);
if (matchingDomain) {
let cmd2 = GM_registerMenuCommand(`🗑️ 将主域名 "${matchingDomain}" 从限制列表移除`, () => {
const currentRestricted = getRestrictedBaseDomains();
const idx = currentRestricted.indexOf(matchingDomain);
if (idx !== -1) {
currentRestricted.splice(idx, 1);
setRestrictedBaseDomains(currentRestricted);
showToast(`主域名 "${matchingDomain}" 已从限制列表移除。`);
// 动态更新菜单
registerMenus(null);
} else {
showToast("错误：在列表中找不到匹配的域名。");
}
});
window.registeredMenuCommands.push(cmd2);
}
}
// --- 主逻辑 ---
const currentHostname = window.location.hostname;
const restrictedDomains = getRestrictedBaseDomains();
const matchingDomain = findMatchingRestrictedDomain(currentHostname, restrictedDomains);
// 始终注册菜单，以便动态更新
registerMenus(matchingDomain);
if (matchingDomain) {
const confirmationKey = matchingDomain;
if (!isLocalConfirmedAndNotExpired(confirmationKey)) {
console.log(`访问 ${currentHostname} (规则: ${matchingDomain}) 受限，显示确认页面。`);
// 使用 run-at: document_start 时，需要等待DOM ready
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', () => showRestrictionOverlay(currentHostname, confirmationKey));
} else {
showRestrictionOverlay(currentHostname, confirmationKey);
}
} else {
console.log(`访问 ${currentHostname} (规则: ${matchingDomain}) 已放行。`);
const localConfirmedData = GM_getValue(LOCAL_CONFIRM_KEY_PREFIX + confirmationKey, null);
if (localConfirmedData) {
try {
const { expiryType, timestamp } = JSON.parse(localConfirmedData);
showCountdown(currentHostname, expiryType, timestamp);
} catch(e) { /* ignore */ }
}
}
}
})();