Files
Haven/server.js
T

827 lines
35 KiB
JavaScript

// ── Resolve data directory BEFORE loading .env ────────────
const { DATA_DIR, DB_PATH, ENV_PATH, CERTS_DIR, UPLOADS_DIR } = require('./src/paths');
// Bootstrap .env into the data directory if it doesn't exist yet
const fs = require('fs');
const path = require('path');
if (!fs.existsSync(ENV_PATH)) {
const example = path.join(__dirname, '.env.example');
if (fs.existsSync(example)) {
fs.copyFileSync(example, ENV_PATH);
console.log(`📄 Created .env in ${DATA_DIR} from template`);
} else {
// Write a minimal .env so dotenv doesn't fail
fs.writeFileSync(ENV_PATH, 'JWT_SECRET=change-me-to-something-random-and-long\n');
}
}
require('dotenv').config({ path: ENV_PATH });
const express = require('express');
const { createServer } = require('http');
const { createServer: createHttpsServer } = require('https');
const { Server } = require('socket.io');
const crypto = require('crypto');
const helmet = require('helmet');
const multer = require('multer');
console.log(`📂 Data directory: ${DATA_DIR}`);
// ── Auto-generate JWT secret (MUST happen before loading auth module) ──
if (process.env.JWT_SECRET === 'change-me-to-something-random-and-long' || !process.env.JWT_SECRET) {
const generated = crypto.randomBytes(48).toString('base64');
let envContent = fs.readFileSync(ENV_PATH, 'utf-8');
envContent = envContent.replace(/JWT_SECRET=.*/, `JWT_SECRET=${generated}`);
fs.writeFileSync(ENV_PATH, envContent);
process.env.JWT_SECRET = generated;
console.log('🔑 Auto-generated strong JWT_SECRET (saved to .env)');
}
const { initDatabase } = require('./src/database');
const { router: authRoutes, authLimiter, verifyToken } = require('./src/auth');
const { setupSocketHandlers } = require('./src/socketHandlers');
const app = express();
// ── Security Headers (helmet) ────────────────────────────
app.use(helmet({
contentSecurityPolicy: {
directives: {
defaultSrc: ["'self'"],
scriptSrc: ["'self'", "https://www.youtube.com", "https://w.soundcloud.com"],
styleSrc: ["'self'", "'unsafe-inline'"], // inline styles needed for themes
imgSrc: ["'self'", "data:", "blob:", "https:"], // https: for link preview OG images + GIPHY
connectSrc: ["'self'", "ws:", "wss:"], // Socket.IO (ws for HTTP, wss for HTTPS)
mediaSrc: ["'self'", "blob:", "data:"], // WebRTC audio + notification sounds
fontSrc: ["'self'"],
objectSrc: ["'none'"],
frameSrc: ["https://open.spotify.com", "https://www.youtube.com", "https://www.youtube-nocookie.com", "https://w.soundcloud.com"], // Listen Together embeds
baseUri: ["'self'"],
formAction: ["'self'"],
frameAncestors: ["'none'"], // prevent clickjacking
}
},
crossOriginEmbedderPolicy: false, // needed for WebRTC
crossOriginOpenerPolicy: false, // needed for WebRTC
hsts: { maxAge: 31536000, includeSubDomains: false }, // force HTTPS for 1 year
referrerPolicy: { policy: 'strict-origin-when-cross-origin' },
}));
// Additional security headers helmet doesn't cover
app.use((req, res, next) => {
res.setHeader('Permissions-Policy', 'camera=(), geolocation=(), payment=()');
res.setHeader('X-Content-Type-Options', 'nosniff');
next();
});
// Disable Express version disclosure
app.disable('x-powered-by');
// ── Body Parsing with size limits ────────────────────────
app.use(express.json({ limit: '16kb' })); // no reason for large JSON bodies
app.use(express.urlencoded({ extended: false, limit: '16kb' }));
// ── Static files with caching ────────────────────────────
app.use(express.static(path.join(__dirname, 'public'), {
dotfiles: 'deny', // block .env, .git, etc.
etag: true, // ETag for conditional requests
lastModified: true, // Last-Modified header
maxAge: 0, // always revalidate — prevents stale JS/CSS after deploys
}));
// ── Serve uploads from external data directory ──────────
app.use('/uploads', express.static(UPLOADS_DIR, {
dotfiles: 'deny',
maxAge: '1h',
setHeaders: (res, filePath) => {
// Force download for non-image files (prevents HTML/SVG execution in browser)
const ext = path.extname(filePath).toLowerCase();
if (!['.jpg', '.jpeg', '.png', '.gif', '.webp'].includes(ext)) {
res.setHeader('Content-Disposition', 'attachment');
}
}
}));
// ── File uploads (images max 5 MB, general files max 25 MB) ──
const uploadDir = UPLOADS_DIR;
const uploadStorage = multer.diskStorage({
destination: uploadDir,
filename: (req, file, cb) => {
const ext = path.extname(file.originalname).toLowerCase();
cb(null, `${Date.now()}-${crypto.randomBytes(8).toString('hex')}${ext}`);
}
});
// Image-only upload (existing endpoint)
const upload = multer({
storage: uploadStorage,
limits: { fileSize: 5 * 1024 * 1024 },
fileFilter: (req, file, cb) => {
if (/^image\/(jpeg|png|gif|webp)$/.test(file.mimetype)) cb(null, true);
else cb(new Error('Only images allowed (jpg, png, gif, webp)'));
}
});
// General file upload (expanded MIME whitelist)
const ALLOWED_FILE_TYPES = new Set([
'image/jpeg', 'image/png', 'image/gif', 'image/webp',
'application/pdf',
'text/plain', 'text/csv', 'text/markdown',
'application/zip', 'application/x-zip-compressed',
'application/x-7z-compressed', 'application/x-rar-compressed',
'audio/mpeg', 'audio/ogg', 'audio/wav', 'audio/webm',
'video/mp4', 'video/webm',
'application/json',
'application/msword', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'application/vnd.ms-excel', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'application/vnd.ms-powerpoint', 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
]);
const fileUpload = multer({
storage: uploadStorage,
limits: { fileSize: 25 * 1024 * 1024 },
fileFilter: (req, file, cb) => {
if (ALLOWED_FILE_TYPES.has(file.mimetype)) cb(null, true);
else cb(new Error('File type not allowed'));
}
});
// ── API routes (rate-limited) ────────────────────────────
app.use('/api/auth', authLimiter, authRoutes);
// ── Serve pages ──────────────────────────────────────────
app.get('/', (req, res) => {
res.sendFile(path.join(__dirname, 'public', 'index.html'));
});
app.get('/app', (req, res) => {
res.sendFile(path.join(__dirname, 'public', 'app.html'));
});
app.get('/games/flappy', (req, res) => {
res.sendFile(path.join(__dirname, 'public', 'games', 'flappy.html'));
});
// ── Health check (CORS allowed for multi-server status pings) ──
app.get('/api/health', (req, res) => {
res.set('Access-Control-Allow-Origin', '*');
res.json({
status: 'online',
name: process.env.SERVER_NAME || 'Haven'
// version intentionally omitted — don't fingerprint the server for attackers
});
});
// ── Upload rate limiting ─────────────────────────────────
const uploadLimitStore = new Map();
function uploadLimiter(req, res, next) {
const ip = req.ip || req.socket.remoteAddress;
const now = Date.now();
const windowMs = 60 * 1000; // 1 minute
const maxUploads = 10;
if (!uploadLimitStore.has(ip)) uploadLimitStore.set(ip, []);
const stamps = uploadLimitStore.get(ip).filter(t => now - t < windowMs);
uploadLimitStore.set(ip, stamps);
if (stamps.length >= maxUploads) return res.status(429).json({ error: 'Upload rate limit — try again in a minute' });
stamps.push(now);
next();
}
setInterval(() => { const now = Date.now(); for (const [ip, t] of uploadLimitStore) { const f = t.filter(x => now - x < 60000); if (!f.length) uploadLimitStore.delete(ip); else uploadLimitStore.set(ip, f); } }, 5 * 60 * 1000);
// ── Image upload (authenticated + not banned) ────────────
app.post('/api/upload', uploadLimiter, (req, res) => {
const token = req.headers.authorization?.split(' ')[1];
const user = token ? verifyToken(token) : null;
if (!user) return res.status(401).json({ error: 'Unauthorized' });
// Check if user is banned
const { getDb } = require('./src/database');
const ban = getDb().prepare('SELECT id FROM bans WHERE user_id = ?').get(user.id);
if (ban) return res.status(403).json({ error: 'Banned users cannot upload' });
upload.single('image')(req, res, (err) => {
if (err) return res.status(400).json({ error: err.message });
if (!req.file) return res.status(400).json({ error: 'No file uploaded' });
// Validate file magic bytes (don't trust MIME type alone)
try {
const fd = fs.openSync(req.file.path, 'r');
const hdr = Buffer.alloc(12);
fs.readSync(fd, hdr, 0, 12, 0);
fs.closeSync(fd);
let validMagic = false;
if (req.file.mimetype === 'image/jpeg') validMagic = hdr[0] === 0xFF && hdr[1] === 0xD8 && hdr[2] === 0xFF;
else if (req.file.mimetype === 'image/png') validMagic = hdr[0] === 0x89 && hdr[1] === 0x50 && hdr[2] === 0x4E && hdr[3] === 0x47;
else if (req.file.mimetype === 'image/gif') validMagic = hdr.slice(0, 6).toString().startsWith('GIF8');
else if (req.file.mimetype === 'image/webp') validMagic = hdr.slice(0, 4).toString() === 'RIFF' && hdr.slice(8, 12).toString() === 'WEBP';
if (!validMagic) {
fs.unlinkSync(req.file.path);
return res.status(400).json({ error: 'File content does not match image type' });
}
} catch {
try { fs.unlinkSync(req.file.path); } catch {}
return res.status(400).json({ error: 'Failed to validate file' });
}
// Force safe extension based on validated mimetype (prevent HTML/SVG upload)
const mimeToExt = { 'image/jpeg': '.jpg', 'image/png': '.png', 'image/gif': '.gif', 'image/webp': '.webp' };
const safeExt = mimeToExt[req.file.mimetype];
if (!safeExt) {
fs.unlinkSync(req.file.path);
return res.status(400).json({ error: 'Invalid file type' });
}
// Rename file to use safe extension if it doesn't already match
const currentExt = path.extname(req.file.filename).toLowerCase();
if (currentExt !== safeExt) {
const safeName = req.file.filename.replace(/\.[^.]+$/, '') + safeExt;
const oldPath = req.file.path;
const newPath = path.join(uploadDir, safeName);
fs.renameSync(oldPath, newPath);
return res.json({ url: `/uploads/${safeName}` });
}
res.json({ url: `/uploads/${req.file.filename}` });
});
});
// ── General file upload (authenticated + not banned) ─────
app.post('/api/upload-file', uploadLimiter, (req, res) => {
const token = req.headers.authorization?.split(' ')[1];
const user = token ? verifyToken(token) : null;
if (!user) return res.status(401).json({ error: 'Unauthorized' });
const { getDb } = require('./src/database');
const ban = getDb().prepare('SELECT id FROM bans WHERE user_id = ?').get(user.id);
if (ban) return res.status(403).json({ error: 'Banned users cannot upload' });
fileUpload.single('file')(req, res, (err) => {
if (err) return res.status(400).json({ error: err.message });
if (!req.file) return res.status(400).json({ error: 'No file uploaded' });
const isImage = /^image\//.test(req.file.mimetype);
const originalName = req.file.originalname || 'file';
const fileSize = req.file.size;
res.json({
url: `/uploads/${req.file.filename}`,
originalName,
fileSize,
isImage,
mimetype: req.file.mimetype
});
});
});
// ── Avatar upload (authenticated, image only, max 2 MB) ──
app.post('/api/upload-avatar', uploadLimiter, (req, res) => {
const token = req.headers.authorization?.split(' ')[1];
const user = token ? verifyToken(token) : null;
if (!user) return res.status(401).json({ error: 'Unauthorized' });
upload.single('image')(req, res, (err) => {
if (err) return res.status(400).json({ error: err.message });
if (!req.file) return res.status(400).json({ error: 'No file uploaded' });
if (req.file.size > 2 * 1024 * 1024) {
fs.unlinkSync(req.file.path);
return res.status(400).json({ error: 'Avatar must be under 2 MB' });
}
// Validate magic bytes
try {
const fd = fs.openSync(req.file.path, 'r');
const hdr = Buffer.alloc(12);
fs.readSync(fd, hdr, 0, 12, 0);
fs.closeSync(fd);
let validMagic = false;
if (req.file.mimetype === 'image/jpeg') validMagic = hdr[0] === 0xFF && hdr[1] === 0xD8 && hdr[2] === 0xFF;
else if (req.file.mimetype === 'image/png') validMagic = hdr[0] === 0x89 && hdr[1] === 0x50 && hdr[2] === 0x4E && hdr[3] === 0x47;
else if (req.file.mimetype === 'image/gif') validMagic = hdr.slice(0, 6).toString().startsWith('GIF8');
else if (req.file.mimetype === 'image/webp') validMagic = hdr.slice(0, 4).toString() === 'RIFF' && hdr.slice(8, 12).toString() === 'WEBP';
if (!validMagic) { fs.unlinkSync(req.file.path); return res.status(400).json({ error: 'Invalid image' }); }
} catch { try { fs.unlinkSync(req.file.path); } catch {} return res.status(400).json({ error: 'Failed to validate' }); }
const avatarUrl = `/uploads/${req.file.filename}`;
const { getDb } = require('./src/database');
getDb().prepare('UPDATE users SET avatar = ? WHERE id = ?').run(avatarUrl, user.id);
res.json({ url: avatarUrl });
});
});
// ── Sound upload (admin only, wav/mp3/ogg, max 1 MB) ────
const soundUpload = multer({
storage: uploadStorage,
limits: { fileSize: 1 * 1024 * 1024 },
fileFilter: (req, file, cb) => {
if (/^audio\/(mpeg|ogg|wav|webm)$/.test(file.mimetype)) cb(null, true);
else cb(new Error('Only audio files allowed (mp3, ogg, wav, webm)'));
}
});
app.post('/api/upload-sound', uploadLimiter, (req, res) => {
const token = req.headers.authorization?.split(' ')[1];
const user = token ? verifyToken(token) : null;
if (!user) return res.status(401).json({ error: 'Unauthorized' });
if (!user.isAdmin) return res.status(403).json({ error: 'Admin only' });
soundUpload.single('sound')(req, res, (err) => {
if (err) return res.status(400).json({ error: err.message });
if (!req.file) return res.status(400).json({ error: 'No file uploaded' });
let name = (req.body.name || '').trim().toLowerCase().replace(/[^a-z0-9_-]/g, '');
if (!name) name = path.basename(req.file.filename, path.extname(req.file.filename));
if (name.length > 30) name = name.slice(0, 30);
const { getDb } = require('./src/database');
try {
getDb().prepare(
'INSERT OR REPLACE INTO custom_sounds (name, filename, uploaded_by) VALUES (?, ?, ?)'
).run(name, req.file.filename, user.id);
res.json({ name, url: `/uploads/${req.file.filename}` });
} catch { res.status(500).json({ error: 'Failed to save sound' }); }
});
});
app.get('/api/sounds', (req, res) => {
const token = req.headers.authorization?.split(' ')[1];
const user = token ? verifyToken(token) : null;
if (!user) return res.status(401).json({ error: 'Unauthorized' });
const { getDb } = require('./src/database');
try {
const sounds = getDb().prepare('SELECT name, filename FROM custom_sounds ORDER BY name').all();
res.json({ sounds: sounds.map(s => ({ name: s.name, url: `/uploads/${s.filename}` })) });
} catch { res.json({ sounds: [] }); }
});
app.delete('/api/sounds/:name', (req, res) => {
const token = req.headers.authorization?.split(' ')[1];
const user = token ? verifyToken(token) : null;
if (!user) return res.status(401).json({ error: 'Unauthorized' });
if (!user.isAdmin) return res.status(403).json({ error: 'Admin only' });
const name = req.params.name;
const { getDb } = require('./src/database');
try {
const row = getDb().prepare('SELECT filename FROM custom_sounds WHERE name = ?').get(name);
if (row) {
try { fs.unlinkSync(path.join(uploadDir, row.filename)); } catch {}
getDb().prepare('DELETE FROM custom_sounds WHERE name = ?').run(name);
}
res.json({ ok: true });
} catch { res.status(500).json({ error: 'Failed to delete sound' }); }
});
// ── GIF search proxy (GIPHY API — keeps key server-side) ──
function getGiphyKey() {
// Check database first (set via admin panel), fall back to .env
try {
const { getDb } = require('./src/database');
const row = getDb().prepare("SELECT value FROM server_settings WHERE key = 'giphy_api_key'").get();
if (row && row.value) return row.value;
} catch { /* DB not ready yet or no key stored */ }
return process.env.GIPHY_API_KEY || '';
}
// ── GIF endpoint rate limiting (per IP) ──────────────────
const gifLimitStore = new Map();
function gifLimiter(req, res, next) {
const ip = req.ip || req.socket.remoteAddress;
const now = Date.now();
const windowMs = 60 * 1000; // 1 minute
const maxReqs = 30;
if (!gifLimitStore.has(ip)) gifLimitStore.set(ip, []);
const stamps = gifLimitStore.get(ip).filter(t => now - t < windowMs);
gifLimitStore.set(ip, stamps);
if (stamps.length >= maxReqs) return res.status(429).json({ error: 'Rate limited — try again shortly' });
stamps.push(now);
next();
}
setInterval(() => { const now = Date.now(); for (const [ip, t] of gifLimitStore) { const f = t.filter(x => now - x < 60000); if (!f.length) gifLimitStore.delete(ip); else gifLimitStore.set(ip, f); } }, 5 * 60 * 1000);
app.get('/api/gif/search', gifLimiter, (req, res) => {
// Require authentication
const token = req.headers.authorization?.split(' ')[1];
const user = token ? verifyToken(token) : null;
if (!user) return res.status(401).json({ error: 'Unauthorized' });
const key = getGiphyKey();
if (!key) return res.status(501).json({ error: 'gif_not_configured' });
const q = (req.query.q || '').trim().slice(0, 100);
if (!q) return res.status(400).json({ error: 'Missing search query' });
const limit = Math.min(parseInt(req.query.limit) || 20, 50);
const url = `https://api.giphy.com/v1/gifs/search?api_key=${encodeURIComponent(key)}&q=${encodeURIComponent(q)}&limit=${limit}&rating=r&lang=en`;
fetch(url).then(r => r.json()).then(data => {
const results = (data.data || []).map(g => ({
id: g.id,
title: g.title || '',
tiny: g.images?.fixed_height_small?.url || g.images?.fixed_height?.url || '',
full: g.images?.original?.url || '',
}));
res.json({ results });
}).catch(() => res.status(502).json({ error: 'GIPHY API error' }));
});
app.get('/api/gif/trending', gifLimiter, (req, res) => {
// Require authentication
const token = req.headers.authorization?.split(' ')[1];
const user = token ? verifyToken(token) : null;
if (!user) return res.status(401).json({ error: 'Unauthorized' });
const key = getGiphyKey();
if (!key) return res.status(501).json({ error: 'gif_not_configured' });
const limit = Math.min(parseInt(req.query.limit) || 20, 50);
const url = `https://api.giphy.com/v1/gifs/trending?api_key=${encodeURIComponent(key)}&limit=${limit}&rating=r`;
fetch(url).then(r => r.json()).then(data => {
const results = (data.data || []).map(g => ({
id: g.id,
title: g.title || '',
tiny: g.images?.fixed_height_small?.url || g.images?.fixed_height?.url || '',
full: g.images?.original?.url || '',
}));
res.json({ results });
}).catch(() => res.status(502).json({ error: 'GIPHY API error' }));
});
// ── Link preview (Open Graph metadata) ──────────────────
const linkPreviewCache = new Map(); // url → { data, ts }
const PREVIEW_CACHE_TTL = 30 * 60 * 1000; // 30 min
const PREVIEW_MAX_SIZE = 256 * 1024; // only read first 256 KB of page
const dns = require('dns');
const { promisify } = require('util');
const dnsResolve = promisify(dns.resolve4);
// Rate limit link preview fetches (per IP, separate from upload limiter)
const previewLimitStore = new Map();
function previewLimiter(req, res, next) {
const ip = req.ip || req.socket.remoteAddress;
const now = Date.now();
const windowMs = 60 * 1000;
const maxReqs = 30; // 30 previews per minute per user
if (!previewLimitStore.has(ip)) previewLimitStore.set(ip, []);
const stamps = previewLimitStore.get(ip).filter(t => now - t < windowMs);
previewLimitStore.set(ip, stamps);
if (stamps.length >= maxReqs) return res.status(429).json({ error: 'Rate limited — try again shortly' });
stamps.push(now);
next();
}
setInterval(() => { const now = Date.now(); for (const [ip, t] of previewLimitStore) { const f = t.filter(x => now - x < 60000); if (!f.length) previewLimitStore.delete(ip); else previewLimitStore.set(ip, f); } }, 5 * 60 * 1000);
// Check if an IP is private/internal
function isPrivateIP(ip) {
if (!ip) return true;
return ip === '127.0.0.1' || ip === '0.0.0.0' || ip === '::1' || ip === '::' ||
ip.startsWith('10.') || ip.startsWith('192.168.') ||
/^172\.(1[6-9]|2\d|3[01])\./.test(ip) ||
ip.startsWith('169.254.') || ip.startsWith('fc00:') || ip.startsWith('fd') ||
ip.startsWith('fe80:');
}
app.get('/api/link-preview', previewLimiter, async (req, res) => {
const token = req.headers.authorization?.split(' ')[1];
const user = token ? verifyToken(token) : null;
if (!user) return res.status(401).json({ error: 'Unauthorized' });
const url = (req.query.url || '').trim();
if (!url) return res.status(400).json({ error: 'Missing url param' });
// Only allow http(s) URLs
let parsed;
try {
parsed = new URL(url);
if (!['http:', 'https:'].includes(parsed.protocol)) {
return res.status(400).json({ error: 'Only http/https URLs allowed' });
}
// Block private/internal hostnames (SSRF protection — layer 1: hostname check)
const host = parsed.hostname.toLowerCase();
if (host === 'localhost' || host === '127.0.0.1' || host === '0.0.0.0' ||
host === '::1' || host === '[::1]' ||
host.startsWith('10.') || host.startsWith('192.168.') ||
/^172\.(1[6-9]|2\d|3[01])\./.test(host) ||
host === '169.254.169.254' ||
host.endsWith('.local') || host.endsWith('.internal')) {
return res.status(400).json({ error: 'Private addresses not allowed' });
}
} catch { return res.status(400).json({ error: 'Invalid URL' }); }
// SSRF protection — layer 2: DNS resolution check (defeats DNS rebinding)
try {
const addresses = await dnsResolve(parsed.hostname);
if (addresses.some(isPrivateIP)) {
return res.status(400).json({ error: 'Private addresses not allowed' });
}
} catch {
// DNS resolution failed — could be IPv6-only or non-existent; allow fetch to fail naturally
}
// Cache check
const cached = linkPreviewCache.get(url);
if (cached && Date.now() - cached.ts < PREVIEW_CACHE_TTL) {
return res.json(cached.data);
}
try {
const controller = new AbortController();
const timeout = setTimeout(() => controller.abort(), 5000);
const resp = await fetch(url, {
signal: controller.signal,
headers: {
'User-Agent': 'HavenBot/1.0 (link preview)',
'Accept': 'text/html'
},
redirect: 'follow',
size: PREVIEW_MAX_SIZE
});
clearTimeout(timeout);
const contentType = resp.headers.get('content-type') || '';
if (!contentType.includes('text/html')) {
return res.json({ title: null, description: null, image: null, siteName: null });
}
const html = await resp.text();
// Truncate to max size for safety
const chunk = html.slice(0, PREVIEW_MAX_SIZE);
const getMetaContent = (property) => {
const ogRe = new RegExp(`<meta[^>]+(?:property|name)=["']${property}["'][^>]+content=["']([^"']+)["']`, 'i');
const ogRe2 = new RegExp(`<meta[^>]+content=["']([^"']+)["'][^>]+(?:property|name)=["']${property}["']`, 'i');
const m = chunk.match(ogRe) || chunk.match(ogRe2);
return m ? m[1].trim() : null;
};
const titleTag = chunk.match(/<title[^>]*>([^<]+)<\/title>/i);
const data = {
title: getMetaContent('og:title') || getMetaContent('twitter:title') || (titleTag ? titleTag[1].trim() : null),
description: getMetaContent('og:description') || getMetaContent('twitter:description') || getMetaContent('description'),
image: getMetaContent('og:image') || getMetaContent('twitter:image'),
siteName: getMetaContent('og:site_name') || new URL(url).hostname,
url: getMetaContent('og:url') || url
};
linkPreviewCache.set(url, { data, ts: Date.now() });
// Prune old cache entries if over 500
if (linkPreviewCache.size > 500) {
const now = Date.now();
for (const [k, v] of linkPreviewCache) {
if (now - v.ts > PREVIEW_CACHE_TTL) linkPreviewCache.delete(k);
}
}
res.json(data);
} catch {
res.json({ title: null, description: null, image: null, siteName: null });
}
});
// ── High-scores REST API (mobile-safe fallback for postMessage) ──
app.get('/api/high-scores/:game', (req, res) => {
const game = req.params.game;
if (!['flappy'].includes(game)) return res.status(400).json({ error: 'Unknown game' });
const { getDb } = require('./src/database');
const leaderboard = getDb().prepare(`
SELECT hs.user_id, COALESCE(u.display_name, u.username) as username, hs.score
FROM high_scores hs JOIN users u ON hs.user_id = u.id
WHERE hs.game = ? AND hs.score > 0
ORDER BY hs.score DESC LIMIT 50
`).all(game);
res.json({ game, leaderboard });
});
app.post('/api/high-scores', express.json(), (req, res) => {
const token = req.headers.authorization?.split(' ')[1];
const user = token ? verifyToken(token) : null;
if (!user) return res.status(401).json({ error: 'Unauthorized' });
const game = typeof req.body.game === 'string' ? req.body.game.trim() : '';
const score = Number(req.body.score);
if (!game || !['flappy'].includes(game)) return res.status(400).json({ error: 'Unknown game' });
if (!Number.isInteger(score) || score < 0) return res.status(400).json({ error: 'Invalid score' });
const { getDb } = require('./src/database');
const db = getDb();
const current = db.prepare('SELECT score FROM high_scores WHERE user_id = ? AND game = ?').get(user.id, game);
if (!current || score > current.score) {
db.prepare(
"INSERT OR REPLACE INTO high_scores (user_id, game, score, updated_at) VALUES (?, ?, ?, datetime('now'))"
).run(user.id, game, score);
}
const leaderboard = db.prepare(`
SELECT hs.user_id, COALESCE(u.display_name, u.username) as username, hs.score
FROM high_scores hs JOIN users u ON hs.user_id = u.id
WHERE hs.game = ? AND hs.score > 0
ORDER BY hs.score DESC LIMIT 50
`).all(game);
res.json({ game, leaderboard });
});
// ── Catch-all: 404 ──────────────────────────────────────
app.use((req, res) => {
res.status(404).json({ error: 'Not found' });
});
// ── Global error handler (never leak stack traces) ──────
app.use((err, req, res, _next) => {
console.error('Unhandled error:', err);
res.status(500).json({ error: 'Internal server error' });
});
// Create HTTP or HTTPS server
let server;
// Resolve SSL paths: if set in .env resolve relative to DATA_DIR, otherwise auto-detect
let sslCert = process.env.SSL_CERT_PATH;
let sslKey = process.env.SSL_KEY_PATH;
// If not explicitly configured, check if the startup scripts generated certs
if (!sslCert && !sslKey) {
const autoCert = path.join(CERTS_DIR, 'cert.pem');
const autoKey = path.join(CERTS_DIR, 'key.pem');
if (fs.existsSync(autoCert) && fs.existsSync(autoKey)) {
sslCert = autoCert;
sslKey = autoKey;
}
} else {
// Resolve relative paths against the data directory
if (sslCert && !path.isAbsolute(sslCert)) sslCert = path.resolve(DATA_DIR, sslCert);
if (sslKey && !path.isAbsolute(sslKey)) sslKey = path.resolve(DATA_DIR, sslKey);
}
const useSSL = sslCert && sslKey;
if (useSSL) {
try {
const sslOptions = {
cert: fs.readFileSync(sslCert),
key: fs.readFileSync(sslKey)
};
server = createHttpsServer(sslOptions, app);
console.log('🔒 HTTPS enabled');
// Also start an HTTP server that redirects to HTTPS (hardened)
const httpRedirect = express();
httpRedirect.disable('x-powered-by');
// Rate limit redirect server to prevent abuse
const redirectHits = new Map();
httpRedirect.use((req, res, next) => {
const ip = req.ip || req.socket.remoteAddress;
const now = Date.now();
if (!redirectHits.has(ip)) redirectHits.set(ip, []);
const stamps = redirectHits.get(ip).filter(t => now - t < 60000);
redirectHits.set(ip, stamps);
if (stamps.length > 60) return res.status(429).end('Rate limited');
stamps.push(now);
next();
});
setInterval(() => { const now = Date.now(); for (const [ip, t] of redirectHits) { const f = t.filter(x => now - x < 60000); if (!f.length) redirectHits.delete(ip); else redirectHits.set(ip, f); } }, 5 * 60 * 1000);
// Only redirect to our own host — prevent open redirect
const safePort = parseInt(process.env.PORT || 3000);
httpRedirect.all('*', (req, res) => {
// Sanitize: only allow path portion, strip host manipulation
const safePath = (req.url || '/').replace(/[\r\n]/g, '');
res.redirect(301, `https://localhost:${safePort}${safePath}`);
});
const HTTP_REDIRECT_PORT = safePort + 1; // 3001
const httpRedirectServer = createServer(httpRedirect);
// Timeout to prevent Slowloris on redirect server
httpRedirectServer.headersTimeout = 5000;
httpRedirectServer.requestTimeout = 5000;
httpRedirectServer.listen(HTTP_REDIRECT_PORT, process.env.HOST || '0.0.0.0', () => {
console.log(`↪️ HTTP redirect running on port ${HTTP_REDIRECT_PORT} → HTTPS`);
});
} catch (err) {
console.error('Failed to load SSL certs, falling back to HTTP:', err.message);
server = createServer(app);
}
} else {
server = createServer(app);
console.log('⚠️ Running HTTP — voice chat requires HTTPS for remote connections');
}
// Socket.IO — locked down
const io = new Server(server, {
cors: {
origin: false, // same-origin only — no cross-site connections
},
maxHttpBufferSize: 64 * 1024, // 64KB max per message (was 1MB)
pingTimeout: 20000,
pingInterval: 25000,
connectTimeout: 10000,
// Limit simultaneous connections per IP
connectionStateRecovery: { maxDisconnectionDuration: 2 * 60 * 1000 },
});
// Initialize
const db = initDatabase();
setupSocketHandlers(io, db);
// ── Auto-cleanup interval (runs every 15 minutes) ───────
function runAutoCleanup() {
try {
const getSetting = (key) => {
const row = db.prepare('SELECT value FROM server_settings WHERE key = ?').get(key);
return row ? row.value : null;
};
const enabled = getSetting('cleanup_enabled');
if (enabled !== 'true') return;
const maxAgeDays = parseInt(getSetting('cleanup_max_age_days') || '0');
const maxSizeMb = parseInt(getSetting('cleanup_max_size_mb') || '0');
let totalDeleted = 0;
// 1. Delete messages older than N days
if (maxAgeDays > 0) {
// Delete reactions for old messages first
db.prepare(`
DELETE FROM reactions WHERE message_id IN (
SELECT id FROM messages WHERE created_at < datetime('now', ?)
)
`).run(`-${maxAgeDays} days`);
const result = db.prepare(
"DELETE FROM messages WHERE created_at < datetime('now', ?)"
).run(`-${maxAgeDays} days`);
totalDeleted += result.changes;
}
// 2. If total DB size exceeds maxSizeMb, trim oldest messages
if (maxSizeMb > 0) {
const dbPath = DB_PATH;
const stats = require('fs').statSync(dbPath);
const sizeMb = stats.size / (1024 * 1024);
if (sizeMb > maxSizeMb) {
// Delete oldest 10% of messages to bring size down
const totalCount = db.prepare('SELECT COUNT(*) as cnt FROM messages').get().cnt;
const deleteCount = Math.max(Math.floor(totalCount * 0.1), 100);
const oldestIds = db.prepare(
'SELECT id FROM messages ORDER BY created_at ASC LIMIT ?'
).all(deleteCount).map(r => r.id);
if (oldestIds.length > 0) {
const placeholders = oldestIds.map(() => '?').join(',');
db.prepare(`DELETE FROM reactions WHERE message_id IN (${placeholders})`).run(...oldestIds);
const result = db.prepare(`DELETE FROM messages WHERE id IN (${placeholders})`).run(...oldestIds);
totalDeleted += result.changes;
}
}
}
// Also clean up old uploaded files if age cleanup is set
if (maxAgeDays > 0) {
const uploadsDir = UPLOADS_DIR;
if (require('fs').existsSync(uploadsDir)) {
const cutoff = Date.now() - (maxAgeDays * 24 * 60 * 60 * 1000);
const files = require('fs').readdirSync(uploadsDir);
let filesDeleted = 0;
files.forEach(f => {
try {
const fpath = require('path').join(uploadsDir, f);
const stat = require('fs').statSync(fpath);
if (stat.mtimeMs < cutoff) {
require('fs').unlinkSync(fpath);
filesDeleted++;
}
} catch { /* skip */ }
});
if (filesDeleted > 0) {
console.log(`🗑️ Auto-cleanup: removed ${filesDeleted} old uploaded files`);
}
}
}
if (totalDeleted > 0) {
console.log(`🗑️ Auto-cleanup: deleted ${totalDeleted} old messages`);
}
} catch (err) {
console.error('Auto-cleanup error:', err);
}
}
// Run cleanup every 15 minutes
setInterval(runAutoCleanup, 15 * 60 * 1000);
// Also run once at startup (delayed 30s to let DB settle)
setTimeout(runAutoCleanup, 30000);
// Expose globally so socketHandlers can trigger it
global.runAutoCleanup = runAutoCleanup;
const PORT = process.env.PORT || 3000;
const HOST = process.env.HOST || '0.0.0.0';
const protocol = useSSL ? 'https' : 'http';
// ── Anti-Slowloris: server-level timeouts ────────────────
server.headersTimeout = 15000; // 15s to send all headers
server.requestTimeout = 30000; // 30s total request time
server.keepAliveTimeout = 65000; // slightly above typical ALB/LB timeout
server.timeout = 120000; // 2 min absolute socket timeout
server.listen(PORT, HOST, () => {
console.log(`
╔══════════════════════════════════════════╗
║ 🏠 HAVEN is running ║
╠══════════════════════════════════════════╣
║ Name: ${(process.env.SERVER_NAME || 'Haven').padEnd(29)}║
║ Local: ${protocol}://localhost:${PORT} ║
║ Network: ${protocol}://YOUR_IP:${PORT} ║
║ Admin: ${(process.env.ADMIN_USERNAME || 'admin').padEnd(29)}║
╚══════════════════════════════════════════╝
`);
});