Terminal Keep-Alive (with clean input)

通过粘贴字符,保持 SSH 会话活跃

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Terminal Keep-Alive (with clean input)
// @namespace    http://tampermonkey.net/
// @version      1.4
// @description  通过粘贴字符,保持 SSH 会话活跃
// @match        https://{jumpserver}/koko/terminal/*
// @grant        none
// @license      MIT
// ==/UserScript==

(function () {
    'use strict';

    console.log('[KeepAlive] 脚本已加载(粘贴 + 回退)');

    function getTerminalInputTarget() {
        const canvas = document.querySelector('canvas');
        return canvas ? canvas.parentElement : document.body;
    }

    function simulatePasteCleaned(text = '\u200B') {
        const target = getTerminalInputTarget();
        if (!target) return;

        target.focus();

        // 第一次:粘贴不可见字符
        const pasteEvent1 = new ClipboardEvent('paste', {
            clipboardData: new DataTransfer(),
            bubbles: true,
            cancelable: true
        });
        pasteEvent1.clipboardData.setData('text/plain', text);
        target.dispatchEvent(pasteEvent1);
    }

    function getRandomInterval(min = 170000, max = 210000) {
        return Math.floor(Math.random() * (max - min + 1)) + min;
    }

    function scheduleNextPaste() {
        const delay = getRandomInterval();
        console.log(`[KeepAlive] 下次粘贴将在 ${(delay / 1000).toFixed(0)} 秒后`);

        setTimeout(() => {
            simulatePasteCleaned();
            scheduleNextPaste();
        }, delay);
    }

    scheduleNextPaste();
})();