avgle m3u8 extractor

extract m3u8 after click close / use video title as filename

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         avgle m3u8 extractor
// @namespace    https://github.com/x94fujo6rpg/SomeTampermonkeyScripts
// @version      0.02
// @description  extract m3u8 after click close / use video title as filename
// @author       x94fujo6
// @match		 https://avgle.com/video/*
// ==/UserScript==
/* jshint esversion: 9 */
/*
reference:
https://github.com/download-online-video/chrome-avgle-helper/issues/21
https://github.com/download-online-video/chrome-avgle-helper/issues/54
*/
(function () {
	let msgid = "avgle extract tool";
	let discard_first_seg = false; //discard the first segment
	let url_only = false; //only the video url as .txt instead of .m3u8 (for youtube-dl/uget/wget...etc)

	window.onload = main();

	function debug_msg(...any) {
		console.log(`[${msgid}]: `, ...any);
	}

	function debug_data(...any) {
		console.log(...any);
	}

	function newButton(button_id, button_text, button_style, button_onclick) {
		let button = Object.assign(document.createElement("button"), {
			id: button_id,
			textContent: button_text,
			onclick: button_onclick,
		});
		Object.assign(button.style, button_style);
		return button;
	}

	async function main() {
		let pos = document.querySelector("#response_message").parentNode;
		let b = newButton("aet_dl_button", "click close to extract data", { width: "max-content" }, () => { });
		pos.insertAdjacentElement("afterbegin", b);
		b = document.querySelector("#aet_dl_button");
		b.disabled = true;

		//add observer
		let ob = new MutationObserver(() => {
			b.textContent = "waitting data...";
			ob.disconnect();
		});
		
		ob.observe(document.querySelector("#player_3x2_container"), { attributes: true });

		await cap_segments().then(data => {
			debug_data(data);
			let title = video_title;
			let seg_data = data.decrypted.map(x => x.uri);
			let duration_data = data.info;
			let max_duration = arr => Math.ceil(Math.max(...arr));
			let m3u_inf = time => `#EXTINF:${time}`;
			let file;
			if (discard_first_seg) {
				seg_data.shift();
				duration_data.shift();
			}
			b.disabled = false;
			if (url_only) {
				file = seg_data.join("\n");
				b.textContent = "download url text";
				b.onclick = () => download(`${title}.txt`, file);
			} else {
				file = [
					"#EXTM3U",
					`#EXT-X-TARGETDURATION:${max_duration(duration_data)}`,
					"#EXT-X-ALLOW-CACHE:YES",
					"#EXT-X-PLAYLIST-TYPE:VOD",
					"#EXT-X-VERSION:3",
					"#EXT-X-MEDIA-SEQUENCE:1",
				];
				for (let index = 0, length = seg_data.length; index < length; index++) {
					file.push(m3u_inf(duration_data[index]));
					file.push(seg_data[index]);
				}
				file.push("#EXT-X-ENDLIST");
				file = file.join("\n");
				b.textContent = "download m3u8";
				b.onclick = () => download(`${title}.m3u8`, file);
			}
		});

		function cap_segments() {
			return new Promise(resolve => {
				let v = videojs('video-player');
				v.on("loadedmetadata", async () => {
					await new Promise(resolve => {
						b.textContent = "processing...";
						resolve();
					});
					setTimeout(() => {
						debug_msg("metadata loaded");
						let segments = v.tech_.hls.playlists.media_.segments;
						let arr = [];
						let info = [];
						arr = segments.map(x => {
							return {
								uri: x.resolvedUri,
								method: "HEAD",
								timeout: 50,
							};
						});
						arr.forEach((x, index) => {
							x.uri = videojs.Hls.xhr(x, function () { }).uri;
							info.push(segments[index].duration);
						});
						debug_msg(`uri count: ${arr.length}`);
						resolve({ decrypted: arr, info: info });
					});
				});
			});
		}

		function download(filename, data) {
			var blob = new Blob([data], { type: 'text/plain', endings: 'native' });
			if (window.navigator.msSaveOrOpenBlob) {
				window.navigator.msSaveBlob(blob, filename);
			} else {
				var elem = window.document.createElement('a');
				elem.href = window.URL.createObjectURL(blob);
				elem.download = filename;
				document.body.appendChild(elem);
				elem.click();
				document.body.removeChild(elem);
			}
		}
	}
})();