Greasy Fork is available in English.
全面清理页面各类存储数据
// ==UserScript==
// @name 当前页缓存/Cookie清理
// @namespace http://tampermonkey.net/
// @version 1.1
// @description 全面清理页面各类存储数据
// @author Yearly
// @match https://*/*
// @grant GM_registerMenuCommand
// @grant window.close
// @grant window.focus
// @license MIT
// @noframes
// ==/UserScript==
(function() {
'use strict';
async function clearAllStorage() {
// 1. Web Storage API
try {
localStorage.clear();
sessionStorage.clear();
console.log('Web Storage已清理');
} catch (e) {
console.error('清理Web Storage失败:', e);
}
// 2. Cookies (包括HttpOnly cookies)
try {
const cookies = document.cookie.split(';');
for (let cookie of cookies) {
const eqPos = cookie.indexOf('=');
const name = eqPos > -1 ? cookie.substr(0, eqPos).trim() : cookie.trim();
// 尝试不同的路径和域名组合来清理cookies
document.cookie = `${name}=;expires=Thu, 01 Jan 1970 00:00:00 GMT;path=/`;
document.cookie = `${name}=;expires=Thu, 01 Jan 1970 00:00:00 GMT;path=/;domain=${window.location.hostname}`;
document.cookie = `${name}=;expires=Thu, 01 Jan 1970 00:00:00 GMT;path=/;domain=.${window.location.hostname}`;
}
console.log('Cookies已清理');
} catch (e) {
console.error('清理Cookies失败:', e);
}
// 3. IndexedDB
try {
const dbs = await window.indexedDB.databases();
for (const db of dbs) {
window.indexedDB.deleteDatabase(db.name);
}
console.log('IndexedDB已清理');
} catch (e) {
console.error('清理IndexedDB失败:', e);
}
// 4. Web SQL Database (已废弃但某些浏览器可能还支持)
try {
if (window.openDatabase) {
const db = window.openDatabase('test', '1.0', 'test', 2 * 1024 * 1024);
db.transaction((tx) => {
// 清理所有表
tx.executeSql('SELECT * FROM sqlite_master WHERE type="table"', [], (tx, results) => {
for (let i = 0; i < results.rows.length; i++) {
tx.executeSql(`DROP TABLE ${results.rows.item(i).name}`);
}
});
});
}
console.log('Web SQL Database已清理');
} catch (e) {
console.error('清理Web SQL Database失败:', e);
}
// 5. Cache Storage API
try {
if ('caches' in window) {
const keys = await caches.keys();
await Promise.all(keys.map(key => caches.delete(key)));
console.log('Cache Storage已清理');
}
} catch (e) {
console.error('清理Cache Storage失败:', e);
}
// 6. Application Cache (已废弃但可能存在)
try {
if (window.applicationCache) {
window.applicationCache.swapCache();
console.log('Application Cache已清理');
}
} catch (e) {
console.error('清理Application Cache失败:', e);
}
// 7. Service Workers
try {
if ('serviceWorker' in navigator) {
const registrations = await navigator.serviceWorker.getRegistrations();
await Promise.all(registrations.map(reg => reg.unregister()));
console.log('Service Workers已清理');
}
} catch (e) {
console.error('清理Service Workers失败:', e);
}
// 8. File System API (如果可用)
try {
if (window.requestFileSystem || window.webkitRequestFileSystem) {
const fs = window.requestFileSystem || window.webkitRequestFileSystem;
fs(window.TEMPORARY, 1024*1024, function(fs) {
fs.root.getFiles(null, {}, function(entries) {
entries.forEach(function(entry) {
entry.remove(function() {}, function(error) {
console.error('删除文件失败:', error);
});
});
}, function(error) {
console.error('读取文件失败:', error);
});
});
}
console.log('File System已清理');
} catch (e) {
console.error('清理File System失败:', e);
}
// 9. WebRTC Peer Connection
try {
const peerConnections = document.querySelectorAll('*').filter(el => el instanceof RTCPeerConnection);
peerConnections.forEach(pc => pc.close());
console.log('WebRTC连接已清理');
} catch (e) {
console.error('清理WebRTC连接失败:', e);
}
// 10. 清理内存缓存
try {
if (window.gc) {
window.gc();
console.log('内存已回收');
}
} catch (e) {
console.error('内存回收失败:', e);
}
// 清理完成后的提示
const result = confirm('所有存储数据已清理完成。');
if (result) {
window.stop();
// 强制刷新页面，忽略缓存
// window.location.reload(true);
}
}
// 注册清理命令到油猴菜单
GM_registerMenuCommand('全面清理页面存储', clearAllStorage);
})();