限制指定主域名及其所有子域名的访问，显示确认页面，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 1.7
// @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，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，退出或执行 iframe 特定逻辑");
return;
}
// --- 配置区 ---
const RESTRICTED_DOMAINS_KEY = 'my_restricted_domains';
const LOCAL_CONFIRM_KEY_PREFIX = 'confirmed_access_';
// --- 函数区 ---
function getRestrictedBaseDomains() {
const domainsJson = GM_getValue(RESTRICTED_DOMAINS_KEY, '[]');
try {
const domains = JSON.parse(domainsJson);
if (!Array.isArray(domains)) {
console.error("受限域名列表格式错误，已重置。");
GM_deleteValue(RESTRICTED_DOMAINS_KEY);
return [];
}
return 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) {
try {
GM_setValue(RESTRICTED_DOMAINS_KEY, JSON.stringify(domainsArray));
} catch (e) {
console.error("保存受限域名列表失败:", e);
}
}
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 => {
return hostname === baseDomain || (hostname.endsWith('.' + baseDomain) && hostname.length > baseDomain.length + 1);
});
}
function isRestricted(hostname) {
const restrictedBaseDomains = getRestrictedBaseDomains();
return findMatchingRestrictedDomain(hostname, restrictedBaseDomains) !== undefined;
}
function getEndOfTodayTimestamp() {
const now = new Date();
const endOfToday = new Date(now.getFullYear(), now.getMonth(), now.getDate(), 23, 59, 59, 999);
return endOfToday.getTime();
}
function isLocalConfirmedAndNotExpired(domainKey) {
const storedData = GM_getValue(LOCAL_CONFIRM_KEY_PREFIX + domainKey, null);
if (!storedData) return false;
try {
const confirmInfo = JSON.parse(storedData);
const now = Date.now();
if (confirmInfo.expiryType === '30min') return now < confirmInfo.timestamp + 30 * 60 * 1000;
if (confirmInfo.expiryType === '5min') return now < confirmInfo.timestamp + 5 * 60 * 1000;
if (confirmInfo.expiryType === 'today') {
const confirmDate = new Date(confirmInfo.timestamp);
const todayStart = new Date(new Date().setHours(0, 0, 0, 0));
return confirmDate >= 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: expiryType };
GM_setValue(LOCAL_CONFIRM_KEY_PREFIX + domainKey, JSON.stringify(confirmInfo));
}
function showRestrictionPage(hostname, domainToConfirm) {
document.documentElement.innerHTML = '';
GM_addStyle(`
body { font-family: sans-serif; display: flex; justify-content: center; align-items: center; min-height: 100vh; background-color: #f0f0f0; margin: 0; }
.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; }
h1 { color: #d9534f; margin-bottom: 20px; }
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; }
`);
document.body.innerHTML = `
<div class="restriction-container">
<h1>⚠️ 访问受限</h1>
<p>您正尝试访问的网站 <strong>${hostname}</strong> 已被标记为受限。请确认您希望继续访问，并选择本次确认的有效时长。</p>
<div class="button-container">
<button id="confirm-30min">30分钟内不再提示</button>
<button id="confirm-today">今天内不再提示</button>
<button id="confirm-5min">允许访问5分钟</button>
</div>
</div>
`;
document.getElementById('confirm-30min').addEventListener('click', () => { setLocalConfirmed(domainToConfirm, '30min'); window.location.reload(); });
document.getElementById('confirm-today').addEventListener('click', () => { setLocalConfirmed(domainToConfirm, 'today'); window.location.reload(); });
document.getElementById('confirm-5min').addEventListener('click', () => { setLocalConfirmed(domainToConfirm, '5min'); window.location.reload(); });
}
function showCountdown(hostname, expiryType, timestamp) {
if (!document.body) {
window.addEventListener('DOMContentLoaded', () => showCountdown(hostname, expiryType, timestamp));
return;
}
GM_addStyle(`
#restriction-countdown { position: fixed; bottom: 10px; right: 10px; background-color: rgba(255, 255, 255, 0.9); border: 1px solid #ccc; padding: 5px 10px; border-radius: 4px; font-size: 12px; z-index: 9999; box-shadow: 0 1px 4px rgba(0,0,0,0.1); color: black; cursor: pointer; }
`);
const countdownDiv = document.createElement('div');
countdownDiv.id = 'restriction-countdown';
document.body.appendChild(countdownDiv);
let intervalId = setInterval(updateCountdown, 1000);
countdownDiv.addEventListener('dblclick', () => {
clearInterval(intervalId);
countdownDiv.remove();
});
function formatRemainingTime(ms) {
if (ms <= 0) return '0s';
const totalSeconds = Math.floor(ms / 1000);
const hours = Math.floor(totalSeconds / 3600);
const minutes = Math.floor((totalSeconds % 3600) / 60);
const seconds = totalSeconds % 60;
let parts = [];
if (hours > 0) parts.push(`${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, isExpired = false;
if (expiryType === '30min') {
remainingTime = (timestamp + 30 * 60 * 1000) - now;
expiryLabel = '剩余时间';
} else if (expiryType === '5min') {
remainingTime = (timestamp + 5 * 60 * 1000) - now;
expiryLabel = '剩余时间';
} else if (expiryType === 'today') {
remainingTime = getEndOfTodayTimestamp() - now;
expiryLabel = '今日剩余';
}
if (remainingTime <= 0) isExpired = true;
if (isExpired) {
countdownDiv.textContent = `❌ 确认已过期`;
clearInterval(intervalId);
return;
}
const timeString = formatRemainingTime(remainingTime);
countdownDiv.textContent = `⏳ ${expiryLabel}: ${timeString}`;
}
updateCountdown();
}
function addCurrentDomainToRestrictedList() {
const currentHostname = window.location.hostname;
if (!currentHostname || currentHostname === 'localhost') {
alert("无法获取当前域名或不支持本地地址。");
return;
}
const baseDomain = getBaseDomain(currentHostname);
const restrictedDomains = getRestrictedBaseDomains();
if (restrictedDomains.includes(baseDomain)) {
alert(`主域名 "${baseDomain}" 已在限制列表中。`);
return;
}
restrictedDomains.push(baseDomain);
setRestrictedBaseDomains(restrictedDomains);
alert(`主域名 "${baseDomain}" 已成功添加到限制列表。页面将刷新以应用设置。`);
window.location.reload();
}
// --- 主逻辑 ---
const currentHostname = window.location.hostname;
const restrictedDomains = getRestrictedBaseDomains();
const matchingDomain = findMatchingRestrictedDomain(currentHostname, restrictedDomains);
GM_registerMenuCommand("➕ 添加当前主域名到限制列表", addCurrentDomainToRestrictedList);
if (matchingDomain) {
GM_registerMenuCommand(`🗑️ 将主域名 "${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);
alert(`主域名 "${matchingDomain}" 已从限制列表移除。页面将刷新。`);
window.location.reload();
} else {
alert("错误：在列表中找不到匹配的域名。");
}
});
const confirmationKey = matchingDomain;
const localConfirmedData = GM_getValue(LOCAL_CONFIRM_KEY_PREFIX + confirmationKey, null);
let localConfirmedInfo = null;
if (localConfirmedData) {
try {
localConfirmedInfo = JSON.parse(localConfirmedData);
} catch (e) {
GM_deleteValue(LOCAL_CONFIRM_KEY_PREFIX + confirmationKey);
}
}
if (!isLocalConfirmedAndNotExpired(confirmationKey)) {
console.log(`访问 ${currentHostname} (规则: ${matchingDomain}) 受限，显示确认页面。`);
showRestrictionPage(currentHostname, confirmationKey);
} else {
console.log(`访问 ${currentHostname} (规则: ${matchingDomain}) 已放行。`);
if (localConfirmedInfo) {
showCountdown(currentHostname, localConfirmedInfo.expiryType, localConfirmedInfo.timestamp);
}
}
}
})();