@BMmini

Telegtam Video DL

Dieses Skript sollte nicht direkt installiert werden. Es handelt sich hier um eine Bibliothek für andere Skripte, welche über folgenden Befehl in den Metadaten eines Skriptes eingebunden wird // @require https://update.sleazyfork.org/scripts/591220/1901744/%40BMmini.js

Du musst eine Erweiterung wie Tampermonkey, Greasemonkey oder Violentmonkey installieren, um dieses Skript zu installieren.

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

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

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

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

Sie müssten eine Skript Manager Erweiterung installieren damit sie dieses Skript installieren können

(Ich habe schon ein Skript Manager, Lass mich es installieren!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Telegram Web K Video Downloader
// @namespace    https://tampermonkey.net/
// @version      1.0
// @description  เพิ่มปุ่มดาวน์โหลดวิดีโอบน Telegram Web K (ดักจับไฟล์วิดีโอที่กำลังเล่น)
// @author       You
// @match        https://webk.telegram.org/*
// @grant        GM_download
// @grant        GM_xmlhttpRequest
// ==UserScript==

(function() {
    'use strict';

    // ฟังก์ชันสร้างปุ่มโหลด
    function createDownloadButton(videoElem) {
        if (videoElem.dataset.hasDlBtn) return;
        videoElem.dataset.hasDlBtn = "true";

        const btn = document.createElement('button');
        btn.innerText = '⬇️ โหลดวิดีโอนี้';
        btn.style.cssText = `
            position: absolute;
            top: 10px;
            right: 10px;
            z-index: 9999;
            background: #0088cc;
            color: white;
            border: none;
            padding: 8px 12px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            box-shadow: 0 2px 5px rgba(0,0,0,0.3);
        `;

        btn.addEventListener('click', async (e) => {
            e.stopPropagation();
            e.preventDefault();
            
            const src = videoElem.src || videoElem.currentSrc;
            if (!src) {
                alert('ไม่พบลิงก์วิดีโอ กรุณากดเล่นวิดีโอก่อนครับ');
                return;
            }

            btn.innerText = '⏳ กำลังเตรียมดาวน์โหลด...';

            try {
                // หากเป็น blob URL
                const response = await fetch(src);
                const blob = await response.blob();
                const blobUrl = URL.createObjectURL(blob);
                
                const a = document.createElement('a');
                a.href = blobUrl;
                a.download = `TG_Video_${Date.now()}.mp4`;
                document.body.appendChild(a);
                a.click();
                document.body.removeChild(a);
                URL.revokeObjectURL(blobUrl);

                btn.innerText = '✅ ดาวน์โหลดสำเร็จ';
                setTimeout(() => { btn.innerText = '⬇️ โหลดวิดีโอนี้'; }, 3000);
            } catch (err) {
                console.error(err);
                alert('เกิดข้อผิดพลาดในการดึงไฟล์วิดีโอ');
                btn.innerText = '❌ ล้มเหลว';
            }
        });

        // แปะปุ่มลงใน Container ของ Video
        const parent = videoElem.parentElement;
        if (parent) {
            parent.style.position = 'relative';
            parent.appendChild(btn);
        }
    }

    // ตรวจหาแท็ก <video> ในหน้าเว็บสม่ำเสมอ
    const observer = new MutationObserver(() => {
        const videos = document.querySelectorAll('video');
        videos.forEach(video => {
            if (video.src || video.currentSrc) {
                createDownloadButton(video);
            }
        });
    });

    observer.observe(document.body, { childList: true, subtree: true });
})();