116 lines
3.5 KiB
JavaScript
116 lines
3.5 KiB
JavaScript
/**
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* plugins/audio/index.js
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*
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* Downloads video via yt-dlp, converts to mp3 via ffmpeg and sends to chat.
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* All processing (download + conversion + send + cleanup) is here.
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*/
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import { spawn } from "child_process";
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import { execFile } from "child_process";
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import { promisify } from "util";
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import fs from "fs";
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import path from "path";
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import os from "os";
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import { enqueue } from "../../download/queue.js";
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import { emptyFolder } from "../../utils/file.js";
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import { CMD_PREFIX } from "../../config.js";
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import { createPluginI18n } from "../../utils/pluginI18n.js";
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const { t } = createPluginI18n(import.meta.url);
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const logStream = fs.createWriteStream("logs/audio-error.log", { flags: "a" });
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const execFileAsync = promisify(execFile);
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const DOWNLOADS_DIR = path.resolve("downloads");
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const YT_DLP = os.platform() === "win32" ? ".\\bin\\yt-dlp.exe" : "./bin/yt-dlp";
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const FFMPEG = os.platform() === "win32" ? ".\\bin\\ffmpeg.exe" : "./bin/ffmpeg";
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const ARGS_BASE = [
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"--extractor-args", "youtube:player_client=android",
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"--print", "after_move:filepath",
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"--cookies", "cookies.txt",
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"--add-header", "User-Agent:Mozilla/5.0",
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"--add-header", "Referer:https://www.youtube.com/",
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"--retries", "4",
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"--fragment-retries", "5",
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"--socket-timeout", "15",
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"--sleep-interval", "1",
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"--max-sleep-interval", "4",
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"--no-playlist",
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"-f", "bv+ba/best",
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];
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function downloadRaw(url, id) {
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return new Promise((resolve, reject) => {
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fs.mkdirSync(DOWNLOADS_DIR, { recursive: true });
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const output = path.join(DOWNLOADS_DIR, `${id}.%(ext)s`);
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const proc = spawn(YT_DLP, [...ARGS_BASE, "--output", output, url]);
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let stdout = "";
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proc.on("error", err => reject(new Error(
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err.code === "EACCES" ? t("error.noPermission")
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: err.code === "ENOENT" ? t("error.notFound")
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: `${t("error.startError")} ${err.message}`
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)));
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proc.stdout.on("data", d => { stdout += d.toString(); });
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proc.stderr.on("data", d => logStream.write(d));
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proc.on("close", code => {
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if (code !== 0) return reject(new Error(t("error.downloadFailed")));
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const filePath = stdout.trim().split("\n").filter(Boolean).at(-1);
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if (!filePath || !fs.existsSync(filePath))
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return reject(new Error(t("error.fileNotFound")));
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resolve(filePath);
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});
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});
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}
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async function convertToMp3(videoPath, id) {
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const mp3Path = path.join(DOWNLOADS_DIR, `${id}.mp3`);
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await execFileAsync(FFMPEG, [
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"-i", videoPath,
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"-vn", // no video
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"-ar", "44100", // sample rate
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"-ac", "2", // stereo
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"-b:a", "192k", // bitrate
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"-y", // overwrite if exists
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mp3Path,
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]);
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fs.unlinkSync(videoPath); // remove intermediate video
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return mp3Path;
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}
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export default async function ({ msg, api }) {
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if (!msg.is(CMD_PREFIX + "audio")) return;
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const url = msg.args[1];
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if (!url) {
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await msg.reply(`${t("noUrl")} \`${CMD_PREFIX}audio https://youtube.com/...\``);
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return;
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}
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await msg.reply(t("downloading"));
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const id = `audio-${Date.now()}`;
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enqueue(
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async () => {
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const videoPath = await downloadRaw(url, id);
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const mp3Path = await convertToMp3(videoPath, id);
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await api.sendAudio(mp3Path);
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fs.unlinkSync(mp3Path);
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emptyFolder(DOWNLOADS_DIR);
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api.log.info(`${CMD_PREFIX}audio completed → ${url}`);
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},
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async () => {
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await msg.reply(t("error.generic"));
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}
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);
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} |