Files
youtube-unsenserd/server.js
T

326 lines
11 KiB
JavaScript

// ...existing code...
const express = require("express");
const multer = require("multer");
const fs = require("fs");
const path = require("path");
const session = require("express-session");
const bcrypt = require("bcryptjs");
const ffmpeg = require("fluent-ffmpeg");
const app = express();
const PORT = 3000;
// Data storage
const userDbFile = "./data/users.json";
const videoDbFile = "./data/videos.json";
let users = fs.existsSync(userDbFile) ? JSON.parse(fs.readFileSync(userDbFile)) : [];
let videos = fs.existsSync(videoDbFile) ? JSON.parse(fs.readFileSync(videoDbFile)) : [];
// Ensure all users have a watchHistory array
users.forEach(u => { if (!u.watchHistory) u.watchHistory = []; });
// Middleware
app.use(express.static("public"));
app.use("/videos", express.static("videos"));
app.use("/thumbnails", express.static("thumbnails"));
app.use(express.json());
app.use(session({
secret: "minitube_secret_key",
resave: false,
saveUninitialized: false,
}));
// Helpers
function requireLogin(req, res, next) {
if (!req.session.userId) return res.status(403).json({ error: "Login required" });
next();
}
// ----------------- Multer for Videos -----------------
const videoStorage = multer.diskStorage({
destination: "videos/",
filename: (req, file, cb) => {
cb(null, Date.now() + path.extname(file.originalname));
},
});
const uploadVideo = multer({
storage: videoStorage,
fileFilter: (req, file, cb) => {
const ext = path.extname(file.originalname).toLowerCase();
const allowed = [".mp4", ".webm"];
if (!allowed.includes(ext)) {
return cb(new Error("Only .mp4 and .webm allowed"));
}
cb(null, true);
}
});
// ----------------- Multer for Thumbnails -----------------
const thumbStorage = multer.diskStorage({
destination: "thumbnails/",
filename: (req, file, cb) => {
cb(null, Date.now() + path.extname(file.originalname));
},
});
const uploadThumb = multer({
storage: thumbStorage,
fileFilter: (req, file, cb) => {
const ext = path.extname(file.originalname).toLowerCase();
const allowed = [".png", ".jpg", ".jpeg"];
if (!allowed.includes(ext)) {
return cb(new Error("Only .png, .jpg, .jpeg thumbnails allowed"));
}
cb(null, true);
}
});
// ----------------- Auth -----------------
app.post("/api/register", (req, res) => {
const { username, password } = req.body;
if (users.find(u => u.username === username)) {
return res.status(400).json({ error: "Username taken" });
}
const hash = bcrypt.hashSync(password, 10);
const user = { id: Date.now(), username, password: hash, subscribers: [] };
users.push(user);
fs.writeFileSync(userDbFile, JSON.stringify(users, null, 2));
res.json({ success: true });
});
app.post("/api/login", (req, res) => {
const { username, password } = req.body;
const user = users.find(u => u.username === username);
if (!user || !bcrypt.compareSync(password, user.password)) {
return res.status(400).json({ error: "Invalid login" });
}
req.session.userId = user.id;
res.json({ success: true, username: user.username });
});
app.post("/api/logout", (req, res) => {
req.session.destroy(() => res.json({ success: true }));
});
// ----------------- Videos -----------------
app.get("/api/videos", (req, res) => res.json(videos));
// Support tags, title, and custom thumbnail
const uploadFields = uploadVideo.fields([
{ name: 'video', maxCount: 1 },
{ name: 'thumbnail', maxCount: 1 }
]);
app.post("/api/upload", requireLogin, (req, res) => {
uploadFields(req, res, function (err) {
if (err) return res.status(400).json({ error: err.message });
const user = users.find(u => u.id === req.session.userId);
if (!req.files || !req.files['video'] || !req.files['video'][0]) {
return res.status(400).json({ error: "No video uploaded" });
}
const videoFile = req.files['video'][0];
const title = req.body.title || videoFile.originalname;
const tags = (req.body.tags || "").split(",").map(t => t.trim()).filter(Boolean);
const videoId = Date.now();
// If custom thumbnail provided, use it
let thumbFilename = null;
if (req.files['thumbnail'] && req.files['thumbnail'][0]) {
thumbFilename = req.files['thumbnail'][0].filename;
finishUpload();
} else {
// Auto-generate thumbnail
thumbFilename = `${videoId}.png`;
const videoPath = videoFile.path;
ffmpeg(videoPath)
.screenshots({
timestamps: ['2'],
filename: thumbFilename,
folder: 'thumbnails',
size: '320x240'
})
.on('end', finishUpload)
.on('error', err => {
console.error("Thumbnail generation error:", err);
finishUpload("Video uploaded but thumbnail generation failed.");
});
}
function finishUpload(thumbnailError) {
const newVideo = {
id: videoId,
title,
filename: videoFile.filename,
uploader: user.username,
likes: [],
comments: [],
thumbnail: thumbFilename,
tags
};
videos.push(newVideo);
fs.writeFileSync(videoDbFile, JSON.stringify(videos, null, 2));
if (thumbnailError) {
res.status(500).json({ error: thumbnailError, video: newVideo });
} else {
res.json({ success: true, video: newVideo });
}
}
});
});
// Get video and record watch history if logged in
app.get("/api/videos/:id", (req, res) => {
const video = videos.find(v => v.id == req.params.id);
if (!video) return res.status(404).json({ error: "Not found" });
// Record watch history for logged-in user
if (req.session.userId) {
const user = users.find(u => u.id === req.session.userId);
if (user && !user.watchHistory.includes(video.id)) {
user.watchHistory.push(video.id);
fs.writeFileSync(userDbFile, JSON.stringify(users, null, 2));
}
}
res.json(video);
});
// Personalized recommendations based on tags and watch history
app.get("/api/recommended", requireLogin, (req, res) => {
const user = users.find(u => u.id === req.session.userId);
if (!user) return res.status(401).json([]);
// Get videos not watched yet
let unwatched = videos.filter(v => !user.watchHistory.includes(v.id));
// Get tags from recently watched videos (last 5)
let recent = user.watchHistory.slice(-5).map(id => videos.find(v => v.id === id)).filter(Boolean);
let tagCounts = {};
recent.forEach(v => {
if (Array.isArray(v.tags)) {
v.tags.forEach(tag => {
tagCounts[tag] = (tagCounts[tag] || 0) + 1;
});
}
});
// Score unwatched videos by tag overlap
unwatched.forEach(v => {
v._score = 0;
if (Array.isArray(v.tags)) {
v.tags.forEach(tag => {
v._score += tagCounts[tag] || 0;
});
}
// Boost by likes
v._score += (v.likes?.length || 0) * 0.2;
});
// Sort by score, then most recent
unwatched.sort((a, b) => b._score - a._score || b.id - a.id);
res.json(unwatched.slice(0, 8));
});
// Change thumbnail
app.post("/api/videos/:id/thumbnail", requireLogin, uploadThumb.single("thumbnail"), (req, res) => {
const video = videos.find(v => v.id == req.params.id);
if (!video) return res.status(404).json({ error: "Video not found" });
const user = users.find(u => u.id === req.session.userId);
if (video.uploader !== user.username) {
return res.status(403).json({ error: "Not your video" });
}
video.thumbnail = req.file.filename;
fs.writeFileSync(videoDbFile, JSON.stringify(videos, null, 2));
res.json({ success: true, thumbnail: video.thumbnail });
});
// Like
app.post("/api/videos/:id/like", requireLogin, (req, res) => {
const video = videos.find(v => v.id == req.params.id);
if (!video) return res.status(404).json({ error: "Not found" });
const user = users.find(u => u.id === req.session.userId);
if (video.likes.includes(user.username)) {
video.likes = video.likes.filter(u => u !== user.username);
} else {
video.likes.push(user.username);
}
fs.writeFileSync(videoDbFile, JSON.stringify(videos, null, 2));
res.json({ likes: video.likes.length });
});
// Comment
app.post("/api/videos/:id/comment", requireLogin, (req, res) => {
const video = videos.find(v => v.id == req.params.id);
if (!video) return res.status(404).json({ error: "Not found" });
const user = users.find(u => u.id === req.session.userId);
const comment = { user: user.username, text: req.body.text };
video.comments.push(comment);
fs.writeFileSync(videoDbFile, JSON.stringify(videos, null, 2));
res.json(comment);
});
// ----------------- User Pages -----------------
app.get("/api/user/:username", (req, res) => {
const user = users.find(u => u.username === req.params.username);
if (!user) return res.status(404).json({ error: "User not found" });
const userVideos = videos.filter(v => v.uploader === user.username);
res.json({
username: user.username,
subscribers: user.subscribers.length,
videos: userVideos
});
});
app.post("/api/subscribe/:username", requireLogin, (req, res) => {
const target = users.find(u => u.username === req.params.username);
if (!target) return res.status(404).json({ error: "User not found" });
const me = users.find(u => u.id === req.session.userId);
if (target.subscribers.includes(me.username)) {
target.subscribers = target.subscribers.filter(s => s !== me.username);
} else {
target.subscribers.push(me.username);
}
fs.writeFileSync(userDbFile, JSON.stringify(users, null, 2));
res.json({ success: true, subscribers: target.subscribers.length });
});
// ----------------- Start -----------------
app.listen(PORT, () =>
console.log(`MiniTube running at http://localhost:${PORT}`)
);
// ----------------- Admin Panel (MUST be at the very end) -----------------
function requireAdmin(req, res, next) {
const user = users.find(u => u.id === req.session.userId);
if (!user || !user.isAdmin) {
return res.status(403).json({ error: 'Admin only' });
}
next();
}
app.post('/api/admin/delete-user', requireLogin, requireAdmin, (req, res) => {
const { username } = req.body;
if (!username) return res.status(400).json({ error: 'Username required' });
const idx = users.findIndex(u => u.username === username);
if (idx === -1) return res.status(404).json({ error: 'User not found' });
users.splice(idx, 1);
fs.writeFileSync(userDbFile, JSON.stringify(users, null, 2));
res.json({ success: true });
});
app.post('/api/admin/delete-video', requireLogin, requireAdmin, (req, res) => {
const { id } = req.body;
const idx = videos.findIndex(v => String(v.id) === String(id));
if (idx === -1) return res.status(404).json({ error: 'Video not found' });
videos.splice(idx, 1);
fs.writeFileSync(videoDbFile, JSON.stringify(videos, null, 2));
res.json({ success: true });
});