用于绕过复制限制的用户脚本。

反防复制 + 反监控页面切换.user.js

// ==UserScript==
// @name         反防复制 + 反监控页面切换
// @namespace    https://ipidkun.com
// @version      0.1
// @description  用于绕过复制限制的用户脚本。
// @author       ipid
// @include      *
// @grant        none
// @run-at       document-start
// ==/UserScript==


(function () {
    'use strict'

    const banned = new Set([
        'copy', 'cut', 'select', 'selectstart', 'selectionchange', 'unload', 'beforeunload',
        'keypress', 'keyup', 'keydown', 'pagehide', 'blur',
    ])

    const once = new Set([
        'visibilitychange'
    ])

    const originalAddEventListener = EventTarget.prototype.addEventListener
    EventTarget.prototype.addEventListener = function (type, handler, arg3) {
        if (banned.has(type)) {
            return
        }

        if (once.has(type)) {
            let first = true
            const newHandler = function (...args) {
                if (first) {
                    first = false
                    return handler.apply(this, args)
                }
            }

            return originalAddEventListener.call(this, type, newHandler, arg3)
        }

        return originalAddEventListener.call(this, type, handler, arg3)
    }

    Object.defineProperty(document, 'visibilityState', {
        get() {
            return 'visible'
        },

        configurable: false,
        enumerable: false,
    })
})()