317 lines
9.6 KiB
JavaScript
317 lines
9.6 KiB
JavaScript
import express from "express";
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import cors from "cors";
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import multer from "multer";
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import WebTorrent from "webtorrent";
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import fs from "fs";
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import path from "path";
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import mime from "mime-types";
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import { WebSocketServer } from "ws";
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import { fileURLToPath } from "url";
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import { exec } from "child_process"; // 🆕 ffmpeg çağırmak için
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = path.dirname(__filename);
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const app = express();
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const upload = multer({ dest: path.join(__dirname, "uploads") });
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const client = new WebTorrent();
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const torrents = new Map();
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const PORT = process.env.PORT || 3001;
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// --- İndirilen dosyalar için klasör oluştur ---
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const DOWNLOAD_DIR = path.join(__dirname, "downloads");
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if (!fs.existsSync(DOWNLOAD_DIR))
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fs.mkdirSync(DOWNLOAD_DIR, { recursive: true });
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app.use(cors());
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app.use(express.json());
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app.use(express.urlencoded({ extended: true }));
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app.use("/downloads", express.static(DOWNLOAD_DIR));
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// --- En uygun video dosyasını seç ---
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function pickBestVideoFile(torrent) {
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const videoExts = [".mp4", ".webm", ".mkv", ".mov", ".m4v"];
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const videos = torrent.files
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.map((f, i) => ({ i, f }))
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.filter(({ f }) => videoExts.includes(path.extname(f.name).toLowerCase()));
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if (!videos.length) return 0;
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videos.sort((a, b) => b.f.length - a.f.length);
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return videos[0].i;
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}
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// --- Snapshot (thumbnail dahil, tracker + tarih eklendi) ---
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function snapshot() {
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return Array.from(torrents.values()).map(
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({ torrent, selectedIndex, savePath, added }) => {
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const thumbPath = path.join(savePath, "thumbnail.jpg");
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const hasThumb = fs.existsSync(thumbPath);
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return {
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infoHash: torrent.infoHash,
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name: torrent.name,
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progress: torrent.progress,
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downloaded: torrent.downloaded,
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downloadSpeed: torrent.downloadSpeed,
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uploadSpeed: torrent.uploadSpeed,
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numPeers: torrent.numPeers,
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tracker: torrent.announce?.[0] || null, // 🆕 ilk tracker
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added, // 🆕 eklenme zamanı
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files: torrent.files.map((f, i) => ({
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index: i,
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name: f.name,
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length: f.length
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})),
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selectedIndex,
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thumbnail: hasThumb ? `/thumbnail/${torrent.infoHash}` : null
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};
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}
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);
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}
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// --- Torrent veya magnet ekleme ---
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app.post("/api/transfer", upload.single("torrent"), (req, res) => {
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try {
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let source = req.body.magnet;
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if (req.file) source = fs.readFileSync(req.file.path);
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if (!source)
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return res.status(400).json({ error: "magnet veya .torrent gerekli" });
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// Her torrent için ayrı klasör
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const savePath = path.join(DOWNLOAD_DIR, Date.now().toString());
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fs.mkdirSync(savePath, { recursive: true });
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const torrent = client.add(source, { announce: [], path: savePath });
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// 🆕 Torrent eklendiği anda tarih kaydedelim
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const added = Date.now();
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torrents.set(torrent.infoHash, {
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torrent,
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selectedIndex: 0,
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savePath,
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added
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});
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// --- Metadata geldiğinde ---
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torrent.on("ready", () => {
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const selectedIndex = pickBestVideoFile(torrent);
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torrents.set(torrent.infoHash, {
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torrent,
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selectedIndex,
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savePath,
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added
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});
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res.json({
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ok: true,
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infoHash: torrent.infoHash,
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name: torrent.name,
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selectedIndex,
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tracker: torrent.announce?.[0] || null, // 🆕
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added, // 🆕
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files: torrent.files.map((f, i) => ({
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index: i,
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name: f.name,
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length: f.length
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}))
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});
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});
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// --- İndirme tamamlandığında thumbnail oluştur ---
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torrent.on("done", () => {
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const entry = torrents.get(torrent.infoHash);
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if (!entry) return;
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const videoFile = torrent.files[entry.selectedIndex];
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const videoPath = path.join(entry.savePath, videoFile.path);
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const thumbnailPath = path.join(entry.savePath, "thumbnail.jpg");
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const cmd = `ffmpeg -ss 00:00:30 -i "${videoPath}" -frames:v 1 -q:v 2 "${thumbnailPath}"`;
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exec(cmd, (err) => {
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if (err) console.warn(`⚠️ Thumbnail oluşturulamadı: ${err.message}`);
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else console.log(`📸 Thumbnail oluşturuldu: ${thumbnailPath}`);
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});
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});
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} catch (err) {
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res.status(500).json({ error: err.message });
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}
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});
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// --- Thumbnail endpoint ---
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app.get("/thumbnail/:hash", (req, res) => {
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const entry = torrents.get(req.params.hash);
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if (!entry) return res.status(404).end();
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const thumbnailPath = path.join(entry.savePath, "thumbnail.jpg");
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if (!fs.existsSync(thumbnailPath))
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return res.status(404).send("Thumbnail yok");
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res.sendFile(thumbnailPath);
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});
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// --- Torrentleri listele ---
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app.get("/api/torrents", (req, res) => {
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res.json(snapshot());
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});
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// --- Seçili dosya değiştir ---
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app.post("/api/torrents/:hash/select/:index", (req, res) => {
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const entry = torrents.get(req.params.hash);
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if (!entry) return res.status(404).json({ error: "torrent bulunamadı" });
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entry.selectedIndex = Number(req.params.index) || 0;
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res.json({ ok: true, selectedIndex: entry.selectedIndex });
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});
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// --- Torrent silme (disk dahil) ---
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app.delete("/api/torrents/:hash", (req, res) => {
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const entry = torrents.get(req.params.hash);
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if (!entry) return res.status(404).json({ error: "torrent bulunamadı" });
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const { torrent, savePath } = entry;
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torrent.destroy(() => {
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torrents.delete(req.params.hash);
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if (savePath && fs.existsSync(savePath)) {
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try {
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fs.rmSync(savePath, { recursive: true, force: true });
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console.log(`🗑️ ${savePath} klasörü silindi`);
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} catch (err) {
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console.warn(`⚠️ ${savePath} silinemedi:`, err.message);
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}
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}
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res.json({ ok: true });
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});
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});
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app.get("/media/:path(*)", (req, res) => {
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const fullPath = path.join(DOWNLOAD_DIR, req.params.path);
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if (!fs.existsSync(fullPath)) return res.status(404).send("File not found");
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const stat = fs.statSync(fullPath);
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const fileSize = stat.size;
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const range = req.headers.range;
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if (range) {
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const [startStr, endStr] = range.replace(/bytes=/, "").split("-");
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const start = parseInt(startStr, 10);
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const end = endStr ? parseInt(endStr, 10) : fileSize - 1;
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const chunkSize = end - start + 1;
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const file = fs.createReadStream(fullPath, { start, end });
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const head = {
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"Content-Range": `bytes ${start}-${end}/${fileSize}`,
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"Accept-Ranges": "bytes",
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"Content-Length": chunkSize,
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"Content-Type": "video/mp4"
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};
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res.writeHead(206, head);
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file.pipe(res);
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} else {
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const head = {
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"Content-Length": fileSize,
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"Content-Type": "video/mp4"
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};
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res.writeHead(200, head);
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fs.createReadStream(fullPath).pipe(res);
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}
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});
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// --- 📁 Dosya gezgini: /downloads altındaki dosyaları listele ---
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app.get("/api/files", (req, res) => {
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const walk = (dir) => {
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let result = [];
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const list = fs.readdirSync(dir, { withFileTypes: true });
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for (const entry of list) {
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const full = path.join(dir, entry.name);
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const rel = path.relative(DOWNLOAD_DIR, full);
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if (entry.isDirectory()) {
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result = result.concat(walk(full));
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} else {
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// thumbnail.jpg dosyasını listeleme
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if (entry.name.toLowerCase() === "thumbnail.jpg") continue;
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const size = fs.statSync(full).size;
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const parts = rel.split(path.sep);
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const rootHash = parts[0]; // ilk klasör adı
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const thumbPath = path.join(DOWNLOAD_DIR, rootHash, "thumbnail.jpg");
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// ✅ Thumbnail dosyası gerçekten varsa ekle
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const thumb = fs.existsSync(thumbPath)
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? `/downloads/${rootHash}/thumbnail.jpg`
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: null;
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result.push({
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name: rel,
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size,
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thumbnail: thumb
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});
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}
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}
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return result;
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};
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try {
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const files = walk(DOWNLOAD_DIR);
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res.json(files);
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} catch (err) {
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console.error("📁 Files API error:", err);
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res.status(500).json({ error: err.message });
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}
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});
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// --- Stream endpoint ---
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app.get("/stream/:hash", (req, res) => {
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const entry = torrents.get(req.params.hash);
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if (!entry) return res.status(404).end();
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const file =
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entry.torrent.files[entry.selectedIndex] || entry.torrent.files[0];
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const total = file.length;
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const type = mime.lookup(file.name) || "video/mp4";
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const range = req.headers.range;
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if (!range) {
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res.writeHead(200, {
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"Content-Length": total,
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"Content-Type": type,
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"Accept-Ranges": "bytes"
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});
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return file.createReadStream().pipe(res);
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}
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const [s, e] = range.replace(/bytes=/, "").split("-");
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const start = parseInt(s, 10);
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const end = e ? parseInt(e, 10) : total - 1;
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res.writeHead(206, {
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"Content-Range": `bytes ${start}-${end}/${total}`,
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"Accept-Ranges": "bytes",
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"Content-Length": end - start + 1,
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"Content-Type": type
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});
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const stream = file.createReadStream({ start, end });
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stream.on("error", (err) => console.warn("Stream error:", err.message));
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res.on("close", () => stream.destroy());
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stream.pipe(res);
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});
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console.log("📂 Download path:", DOWNLOAD_DIR);
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// --- WebSocket: anlık durum yayını ---
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const server = app.listen(PORT, () =>
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console.log(`✅ WebTorrent server ${PORT} portunda çalışıyor`)
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);
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const wss = new WebSocketServer({ server });
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wss.on("connection", (ws) => {
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ws.send(JSON.stringify({ type: "progress", torrents: snapshot() }));
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});
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setInterval(() => {
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const data = JSON.stringify({ type: "progress", torrents: snapshot() });
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wss.clients.forEach((c) => c.readyState === 1 && c.send(data));
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}, 1000);
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client.on("error", (err) => {
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if (!String(err).includes("uTP"))
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console.error("WebTorrent error:", err.message);
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});
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