Michelle
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696 lines
25 KiB
JavaScript
696 lines
25 KiB
JavaScript
import { Router } from 'express';
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import crypto from 'crypto';
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import fs from 'fs';
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import path from 'path';
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import { fileURLToPath } from 'url';
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import { rateLimit } from 'express-rate-limit';
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import { getDb } from '../config/database.js';
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import { authenticateToken } from '../middleware/auth.js';
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import {
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createMeeting,
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joinMeeting,
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endMeeting,
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getMeetingInfo,
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isMeetingRunning,
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} from '../config/bbb.js';
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// L6: constant-time string comparison for access/moderator codes
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function timingSafeEqual(a, b) {
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if (typeof a !== 'string' || typeof b !== 'string') return false;
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const bufA = Buffer.from(a);
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const bufB = Buffer.from(b);
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if (bufA.length !== bufB.length) return false;
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return crypto.timingSafeEqual(bufA, bufB);
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}
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = path.dirname(__filename);
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const presentationsDir = path.join(__dirname, '..', '..', 'uploads', 'presentations');
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if (!fs.existsSync(presentationsDir)) fs.mkdirSync(presentationsDir, { recursive: true });
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// M8: rate limit unauthenticated guest-join to prevent access_code brute-force
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const guestJoinLimiter = rateLimit({
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windowMs: 15 * 60 * 1000, // 15 minutes
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max: 15,
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standardHeaders: true,
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legacyHeaders: false,
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message: { error: 'Too many join attempts. Please try again later.' },
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});
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const router = Router();
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// Build avatar URL for a user (uploaded image or generated initials)
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function getUserAvatarURL(req, user) {
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const baseUrl = `${req.protocol}://${req.get('host')}`;
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if (user.avatar_image) {
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return `${baseUrl}/api/auth/avatar/${user.avatar_image}`;
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}
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const color = user.avatar_color ? `?color=${encodeURIComponent(user.avatar_color)}` : '';
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return `${baseUrl}/api/auth/avatar/initials/${encodeURIComponent(user.display_name || user.name)}${color}`;
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}
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// GET /api/rooms - List user's rooms (owned + shared)
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router.get('/', authenticateToken, async (req, res) => {
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try {
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const db = getDb();
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const ownRooms = await db.all(`
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SELECT r.*, COALESCE(NULLIF(u.display_name,''), u.name) as owner_name, 0 as shared
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FROM rooms r
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JOIN users u ON r.user_id = u.id
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WHERE r.user_id = ?
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ORDER BY r.created_at DESC
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`, [req.user.id]);
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const sharedRooms = await db.all(`
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SELECT r.*, COALESCE(NULLIF(u.display_name,''), u.name) as owner_name, 1 as shared
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FROM rooms r
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JOIN users u ON r.user_id = u.id
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JOIN room_shares rs ON rs.room_id = r.id
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WHERE rs.user_id = ?
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ORDER BY r.created_at DESC
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`, [req.user.id]);
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res.json({ rooms: [...ownRooms, ...sharedRooms] });
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} catch (err) {
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console.error('List rooms error:', err);
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res.status(500).json({ error: 'Rooms could not be loaded' });
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}
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});
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// GET /api/rooms/users/search - Search users for sharing (must be before /:uid routes)
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router.get('/users/search', authenticateToken, async (req, res) => {
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try {
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const { q } = req.query;
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if (!q || q.length < 2) {
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return res.json({ users: [] });
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}
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const db = getDb();
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const searchTerm = `%${q}%`;
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const users = await db.all(`
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SELECT id, name, display_name, email, avatar_color, avatar_image
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FROM users
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WHERE (name LIKE ? OR display_name LIKE ? OR email LIKE ?) AND id != ?
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LIMIT 10
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`, [searchTerm, searchTerm, searchTerm, req.user.id]);
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res.json({ users });
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} catch (err) {
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console.error('Search users error:', err);
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res.status(500).json({ error: 'User search failed' });
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}
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});
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// GET /api/rooms/:uid - Get room details
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router.get('/:uid', authenticateToken, async (req, res) => {
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try {
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const db = getDb();
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const room = await db.get(`
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SELECT r.*, COALESCE(NULLIF(u.display_name,''), u.name) as owner_name
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FROM rooms r
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JOIN users u ON r.user_id = u.id
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WHERE r.uid = ?
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`, [req.params.uid]);
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if (!room) {
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return res.status(404).json({ error: 'Room not found' });
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}
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// Check access: owner, admin, or shared
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if (room.user_id !== req.user.id && req.user.role !== 'admin') {
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const share = await db.get('SELECT id FROM room_shares WHERE room_id = ? AND user_id = ?', [room.id, req.user.id]);
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if (!share) {
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return res.status(403).json({ error: 'No permission' });
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}
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room.shared = 1;
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}
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// Get shared users
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const sharedUsers = await db.all(`
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SELECT u.id, u.name, u.display_name, u.email, u.avatar_color, u.avatar_image
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FROM room_shares rs
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JOIN users u ON rs.user_id = u.id
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WHERE rs.room_id = ?
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`, [room.id]);
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res.json({ room, sharedUsers });
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} catch (err) {
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console.error('Get room error:', err);
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res.status(500).json({ error: 'Room could not be loaded' });
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}
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});
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// POST /api/rooms - Create room
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router.post('/', authenticateToken, async (req, res) => {
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try {
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const {
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name,
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welcome_message,
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max_participants,
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access_code,
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mute_on_join,
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require_approval,
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anyone_can_start,
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all_join_moderator,
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record_meeting,
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guest_access,
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moderator_code,
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} = req.body;
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if (!name || name.trim().length === 0) {
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return res.status(400).json({ error: 'Room name is required' });
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}
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// M7: field length limits
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if (name.trim().length > 100) {
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return res.status(400).json({ error: 'Room name must not exceed 100 characters' });
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}
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if (welcome_message && welcome_message.length > 2000) {
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return res.status(400).json({ error: 'Welcome message must not exceed 2000 characters' });
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}
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if (access_code && access_code.length > 50) {
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return res.status(400).json({ error: 'Access code must not exceed 50 characters' });
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}
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if (moderator_code && moderator_code.length > 50) {
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return res.status(400).json({ error: 'Moderator code must not exceed 50 characters' });
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}
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// S2: validate max_participants as non-negative integer
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if (max_participants !== undefined && max_participants !== null) {
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const mp = Number(max_participants);
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if (!Number.isInteger(mp) || mp < 0 || mp > 10000) {
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return res.status(400).json({ error: 'max_participants must be a non-negative integer (max 10000)' });
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}
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}
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const uid = crypto.randomBytes(8).toString('hex');
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const db = getDb();
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const result = await db.run(`
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INSERT INTO rooms (uid, name, user_id, welcome_message, max_participants, access_code, mute_on_join, require_approval, anyone_can_start, all_join_moderator, record_meeting, guest_access, moderator_code)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
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`, [
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uid,
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name.trim(),
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req.user.id,
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welcome_message || 'Willkommen im Meeting!',
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max_participants || 0,
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access_code || null,
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mute_on_join !== false ? 1 : 0,
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require_approval ? 1 : 0,
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anyone_can_start ? 1 : 0,
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all_join_moderator ? 1 : 0,
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record_meeting !== false ? 1 : 0,
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guest_access ? 1 : 0,
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moderator_code || null,
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]);
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const room = await db.get('SELECT * FROM rooms WHERE id = ?', [result.lastInsertRowid]);
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res.status(201).json({ room });
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} catch (err) {
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console.error('Create room error:', err);
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res.status(500).json({ error: 'Room could not be created' });
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}
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});
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// PUT /api/rooms/:uid - Update room
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router.put('/:uid', authenticateToken, async (req, res) => {
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try {
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const db = getDb();
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const room = await db.get('SELECT * FROM rooms WHERE uid = ? AND user_id = ?', [req.params.uid, req.user.id]);
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if (!room) {
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return res.status(404).json({ error: 'Room not found or no permission' });
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}
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const {
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name,
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welcome_message,
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max_participants,
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access_code,
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mute_on_join,
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require_approval,
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anyone_can_start,
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all_join_moderator,
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record_meeting,
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guest_access,
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moderator_code,
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} = req.body;
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// M12: field length limits (same as create)
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if (name && name.trim().length > 100) {
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return res.status(400).json({ error: 'Room name must not exceed 100 characters' });
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}
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if (welcome_message && welcome_message.length > 2000) {
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return res.status(400).json({ error: 'Welcome message must not exceed 2000 characters' });
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}
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if (access_code && access_code.length > 50) {
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return res.status(400).json({ error: 'Access code must not exceed 50 characters' });
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}
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if (moderator_code && moderator_code.length > 50) {
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return res.status(400).json({ error: 'Moderator code must not exceed 50 characters' });
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}
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// S2: validate max_participants on update
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if (max_participants !== undefined && max_participants !== null) {
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const mp = Number(max_participants);
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if (!Number.isInteger(mp) || mp < 0 || mp > 10000) {
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return res.status(400).json({ error: 'max_participants must be a non-negative integer (max 10000)' });
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}
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}
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await db.run(`
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UPDATE rooms SET
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name = COALESCE(?, name),
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welcome_message = COALESCE(?, welcome_message),
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max_participants = COALESCE(?, max_participants),
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access_code = ?,
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mute_on_join = COALESCE(?, mute_on_join),
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require_approval = COALESCE(?, require_approval),
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anyone_can_start = COALESCE(?, anyone_can_start),
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all_join_moderator = COALESCE(?, all_join_moderator),
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record_meeting = COALESCE(?, record_meeting),
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guest_access = COALESCE(?, guest_access),
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moderator_code = ?,
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updated_at = CURRENT_TIMESTAMP
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WHERE uid = ?
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`, [
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name,
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welcome_message,
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max_participants,
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access_code ?? room.access_code,
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mute_on_join !== undefined ? (mute_on_join ? 1 : 0) : null,
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require_approval !== undefined ? (require_approval ? 1 : 0) : null,
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anyone_can_start !== undefined ? (anyone_can_start ? 1 : 0) : null,
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all_join_moderator !== undefined ? (all_join_moderator ? 1 : 0) : null,
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record_meeting !== undefined ? (record_meeting ? 1 : 0) : null,
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guest_access !== undefined ? (guest_access ? 1 : 0) : null,
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moderator_code !== undefined ? (moderator_code || null) : room.moderator_code,
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req.params.uid,
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]);
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const updated = await db.get('SELECT * FROM rooms WHERE uid = ?', [req.params.uid]);
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res.json({ room: updated });
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} catch (err) {
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console.error('Update room error:', err);
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res.status(500).json({ error: 'Room could not be updated' });
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}
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});
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// DELETE /api/rooms/:uid - Delete room
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router.delete('/:uid', authenticateToken, async (req, res) => {
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try {
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const db = getDb();
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const room = await db.get('SELECT * FROM rooms WHERE uid = ?', [req.params.uid]);
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if (!room) {
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return res.status(404).json({ error: 'Room not found' });
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}
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if (room.user_id !== req.user.id && req.user.role !== 'admin') {
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return res.status(403).json({ error: 'No permission' });
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}
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await db.run('DELETE FROM rooms WHERE uid = ?', [req.params.uid]);
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res.json({ message: 'Room deleted successfully' });
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} catch (err) {
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console.error('Delete room error:', err);
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res.status(500).json({ error: 'Room could not be deleted' });
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}
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});
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// GET /api/rooms/:uid/shares - Get shared users for a room
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router.get('/:uid/shares', authenticateToken, async (req, res) => {
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try {
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const db = getDb();
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const room = await db.get('SELECT * FROM rooms WHERE uid = ? AND user_id = ?', [req.params.uid, req.user.id]);
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if (!room) {
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return res.status(404).json({ error: 'Room not found or no permission' });
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}
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const shares = await db.all(`
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SELECT u.id, u.name, u.display_name, u.email, u.avatar_color, u.avatar_image
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FROM room_shares rs
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JOIN users u ON rs.user_id = u.id
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WHERE rs.room_id = ?
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`, [room.id]);
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res.json({ shares });
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} catch (err) {
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console.error('Get shares error:', err);
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res.status(500).json({ error: 'Error loading shares' });
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}
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});
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// POST /api/rooms/:uid/shares - Share room with a user
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router.post('/:uid/shares', authenticateToken, async (req, res) => {
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try {
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const { user_id } = req.body;
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if (!user_id) {
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return res.status(400).json({ error: 'User ID is required' });
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}
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const db = getDb();
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const room = await db.get('SELECT * FROM rooms WHERE uid = ? AND user_id = ?', [req.params.uid, req.user.id]);
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if (!room) {
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return res.status(404).json({ error: 'Room not found or no permission' });
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}
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if (user_id === req.user.id) {
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return res.status(400).json({ error: 'You cannot share the room with yourself' });
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}
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// Check if already shared
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const existing = await db.get('SELECT id FROM room_shares WHERE room_id = ? AND user_id = ?', [room.id, user_id]);
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if (existing) {
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return res.status(400).json({ error: 'Room is already shared with this user' });
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}
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await db.run('INSERT INTO room_shares (room_id, user_id) VALUES (?, ?)', [room.id, user_id]);
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const shares = await db.all(`
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SELECT u.id, u.name, u.display_name, u.email, u.avatar_color, u.avatar_image
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FROM room_shares rs
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JOIN users u ON rs.user_id = u.id
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WHERE rs.room_id = ?
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`, [room.id]);
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res.json({ shares });
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} catch (err) {
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console.error('Share room error:', err);
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res.status(500).json({ error: 'Error sharing room' });
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}
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});
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// DELETE /api/rooms/:uid/shares/:userId - Remove share
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router.delete('/:uid/shares/:userId', authenticateToken, async (req, res) => {
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try {
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const db = getDb();
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const room = await db.get('SELECT * FROM rooms WHERE uid = ? AND user_id = ?', [req.params.uid, req.user.id]);
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if (!room) {
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return res.status(404).json({ error: 'Room not found or no permission' });
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}
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await db.run('DELETE FROM room_shares WHERE room_id = ? AND user_id = ?', [room.id, parseInt(req.params.userId)]);
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const shares = await db.all(`
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SELECT u.id, u.name, u.display_name, u.email, u.avatar_color, u.avatar_image
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FROM room_shares rs
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JOIN users u ON rs.user_id = u.id
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WHERE rs.room_id = ?
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`, [room.id]);
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res.json({ shares });
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} catch (err) {
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console.error('Remove share error:', err);
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res.status(500).json({ error: 'Error removing share' });
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}
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});
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// POST /api/rooms/:uid/start - Start meeting
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router.post('/:uid/start', authenticateToken, async (req, res) => {
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try {
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const db = getDb();
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const room = await db.get('SELECT * FROM rooms WHERE uid = ?', [req.params.uid]);
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if (!room) {
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return res.status(404).json({ error: 'Room not found' });
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}
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// Check access: owner or shared
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const isOwner = room.user_id === req.user.id;
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if (!isOwner) {
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const share = await db.get('SELECT id FROM room_shares WHERE room_id = ? AND user_id = ?', [room.id, req.user.id]);
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if (!share) {
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return res.status(403).json({ error: 'No permission' });
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}
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}
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const baseUrl = `${req.protocol}://${req.get('host')}`;
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const loginURL = `${baseUrl}/join/${room.uid}`;
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const presentationUrl = room.presentation_file
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? `${baseUrl}/uploads/presentations/${room.presentation_file}`
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: null;
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await createMeeting(room, baseUrl, loginURL, presentationUrl);
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const avatarURL = getUserAvatarURL(req, req.user);
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const displayName = req.user.display_name || req.user.name;
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const joinUrl = await joinMeeting(room.uid, displayName, true, avatarURL);
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res.json({ joinUrl });
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} catch (err) {
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console.error('Start meeting error:', err);
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res.status(500).json({ error: 'Meeting could not be started' });
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}
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});
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// POST /api/rooms/:uid/join - Join meeting
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router.post('/:uid/join', authenticateToken, async (req, res) => {
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try {
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const db = getDb();
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const room = await db.get('SELECT * FROM rooms WHERE uid = ?', [req.params.uid]);
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if (!room) {
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return res.status(404).json({ error: 'Room not found' });
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}
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// Check access code if set
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if (room.access_code && !timingSafeEqual(req.body.access_code || '', room.access_code)) {
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return res.status(403).json({ error: 'Wrong access code' });
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}
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// Check if meeting is running
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const running = await isMeetingRunning(room.uid);
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if (!running) {
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return res.status(400).json({ error: 'Meeting is not running. Please wait for the moderator to start the meeting.' });
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}
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// Owner and shared users join as moderator
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const isOwner = room.user_id === req.user.id;
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const isShared = !isOwner && await db.get('SELECT id FROM room_shares WHERE room_id = ? AND user_id = ?', [room.id, req.user.id]);
|
||
const isModerator = isOwner || !!isShared || room.all_join_moderator;
|
||
const avatarURL = getUserAvatarURL(req, req.user);
|
||
const joinUrl = await joinMeeting(room.uid, req.user.display_name || req.user.name, isModerator, avatarURL);
|
||
res.json({ joinUrl });
|
||
} catch (err) {
|
||
console.error('Join meeting error:', err);
|
||
res.status(500).json({ error: 'Could not join meeting' });
|
||
}
|
||
});
|
||
|
||
// POST /api/rooms/:uid/end - End meeting
|
||
router.post('/:uid/end', authenticateToken, async (req, res) => {
|
||
try {
|
||
const db = getDb();
|
||
const room = await db.get('SELECT * FROM rooms WHERE uid = ?', [req.params.uid]);
|
||
|
||
if (!room) {
|
||
return res.status(404).json({ error: 'Room not found' });
|
||
}
|
||
|
||
// Check access: owner or shared user
|
||
const isOwner = room.user_id === req.user.id;
|
||
if (!isOwner) {
|
||
const share = await db.get('SELECT id FROM room_shares WHERE room_id = ? AND user_id = ?', [room.id, req.user.id]);
|
||
if (!share) {
|
||
return res.status(403).json({ error: 'No permission' });
|
||
}
|
||
}
|
||
|
||
await endMeeting(room.uid);
|
||
res.json({ message: 'Meeting ended' });
|
||
} catch (err) {
|
||
console.error('End meeting error:', err);
|
||
res.status(500).json({ error: 'Meeting could not be ended' });
|
||
}
|
||
});
|
||
|
||
// GET /api/rooms/:uid/public - Get public room info (no auth needed)
|
||
router.get('/:uid/public', async (req, res) => {
|
||
try {
|
||
const db = getDb();
|
||
const room = await db.get(`
|
||
SELECT r.uid, r.name, r.welcome_message, r.access_code, r.record_meeting, r.max_participants, r.anyone_can_start,
|
||
COALESCE(NULLIF(u.display_name,''), u.name) as owner_name
|
||
FROM rooms r
|
||
JOIN users u ON r.user_id = u.id
|
||
WHERE r.uid = ?
|
||
`, [req.params.uid]);
|
||
|
||
if (!room) {
|
||
return res.status(404).json({ error: 'Room not found' });
|
||
}
|
||
|
||
const running = await isMeetingRunning(room.uid);
|
||
|
||
res.json({
|
||
room: {
|
||
uid: room.uid,
|
||
name: room.name,
|
||
owner_name: room.owner_name,
|
||
welcome_message: room.welcome_message,
|
||
has_access_code: !!room.access_code,
|
||
allow_recording: !!room.record_meeting,
|
||
max_participants: room.max_participants ?? 0,
|
||
anyone_can_start: !!room.anyone_can_start,
|
||
},
|
||
running,
|
||
});
|
||
} catch (err) {
|
||
console.error('Public room info error:', err);
|
||
res.status(500).json({ error: 'Room info could not be loaded' });
|
||
}
|
||
});
|
||
|
||
// POST /api/rooms/:uid/guest-join - Join meeting as guest (no auth needed)
|
||
router.post('/:uid/guest-join', guestJoinLimiter, async (req, res) => {
|
||
try {
|
||
const { name, access_code, moderator_code } = req.body;
|
||
|
||
if (!name || name.trim().length === 0) {
|
||
return res.status(400).json({ error: 'Name is required' });
|
||
}
|
||
|
||
// L1: limit guest name length
|
||
if (name.trim().length > 100) {
|
||
return res.status(400).json({ error: 'Name must not exceed 100 characters' });
|
||
}
|
||
|
||
const db = getDb();
|
||
const room = await db.get('SELECT * FROM rooms WHERE uid = ?', [req.params.uid]);
|
||
|
||
if (!room) {
|
||
return res.status(404).json({ error: 'Room not found' });
|
||
}
|
||
|
||
// Check access code if set
|
||
if (room.access_code && !timingSafeEqual(access_code || '', room.access_code)) {
|
||
return res.status(403).json({ error: 'Wrong access code' });
|
||
}
|
||
|
||
// Check if meeting is running (or if anyone_can_start is enabled)
|
||
const running = await isMeetingRunning(room.uid);
|
||
if (!running && !room.anyone_can_start) {
|
||
return res.status(400).json({ error: 'Meeting is not running. Please wait for the moderator to start the meeting.' });
|
||
}
|
||
|
||
// If meeting not running but anyone_can_start, create it
|
||
if (!running && room.anyone_can_start) {
|
||
const baseUrl = `${req.protocol}://${req.get('host')}`;
|
||
const loginURL = `${baseUrl}/join/${room.uid}`;
|
||
await createMeeting(room, baseUrl, loginURL);
|
||
}
|
||
|
||
// Check moderator code
|
||
let isModerator = !!room.all_join_moderator;
|
||
if (!isModerator && moderator_code && room.moderator_code && timingSafeEqual(moderator_code, room.moderator_code)) {
|
||
isModerator = true;
|
||
}
|
||
|
||
const baseUrl = `${req.protocol}://${req.get('host')}`;
|
||
const guestAvatarURL = `${baseUrl}/api/auth/avatar/initials/${encodeURIComponent(name.trim())}`;
|
||
const joinUrl = await joinMeeting(room.uid, name.trim(), isModerator, guestAvatarURL);
|
||
res.json({ joinUrl });
|
||
} catch (err) {
|
||
console.error('Guest join error:', err);
|
||
res.status(500).json({ error: 'Guest join failed' });
|
||
}
|
||
});
|
||
|
||
// GET /api/rooms/:uid/status - Check if meeting is running (public, no guard needed)
|
||
router.get('/:uid/status', async (req, res) => {
|
||
try {
|
||
const running = await isMeetingRunning(req.params.uid);
|
||
let info = null;
|
||
if (running) {
|
||
try {
|
||
info = await getMeetingInfo(req.params.uid);
|
||
} catch (e) {
|
||
// Meeting info might fail
|
||
}
|
||
}
|
||
res.json({
|
||
running,
|
||
participantCount: info?.participantCount || 0,
|
||
moderatorCount: info?.moderatorCount || 0,
|
||
});
|
||
} catch (err) {
|
||
res.json({ running: false, participantCount: 0, moderatorCount: 0 });
|
||
}
|
||
});
|
||
|
||
// POST /api/rooms/:uid/presentation - Upload a presentation file for the room
|
||
router.post('/:uid/presentation', authenticateToken, async (req, res) => {
|
||
try {
|
||
const db = getDb();
|
||
const room = await db.get('SELECT * FROM rooms WHERE uid = ? AND user_id = ?', [req.params.uid, req.user.id]);
|
||
if (!room) return res.status(404).json({ error: 'Room not found or no permission' });
|
||
|
||
// M16: stream-level size limit – abort as soon as 50 MB is exceeded
|
||
const MAX_PRESENTATION_SIZE = 50 * 1024 * 1024;
|
||
const buffer = await new Promise((resolve, reject) => {
|
||
const chunks = [];
|
||
let totalSize = 0;
|
||
req.on('data', chunk => {
|
||
totalSize += chunk.length;
|
||
if (totalSize > MAX_PRESENTATION_SIZE) {
|
||
req.destroy();
|
||
return reject(new Error('LIMIT_EXCEEDED'));
|
||
}
|
||
chunks.push(chunk);
|
||
});
|
||
req.on('end', () => resolve(Buffer.concat(chunks)));
|
||
req.on('error', reject);
|
||
}).catch(err => {
|
||
if (err.message === 'LIMIT_EXCEEDED') return null;
|
||
throw err;
|
||
});
|
||
|
||
if (!buffer) {
|
||
return res.status(400).json({ error: 'File must not exceed 50MB' });
|
||
}
|
||
|
||
const contentType = req.headers['content-type'] || '';
|
||
const extMap = {
|
||
'application/pdf': 'pdf',
|
||
'application/vnd.ms-powerpoint': 'ppt',
|
||
'application/vnd.openxmlformats-officedocument.presentationml.presentation': 'pptx',
|
||
'application/vnd.oasis.opendocument.presentation': 'odp',
|
||
'application/msword': 'doc',
|
||
'application/vnd.openxmlformats-officedocument.wordprocessingml.document': 'docx',
|
||
};
|
||
const ext = extMap[contentType];
|
||
if (!ext) return res.status(400).json({ error: 'Unsupported file type. Allowed: PDF, PPT, PPTX, ODP, DOC, DOCX' });
|
||
|
||
// Preserve original filename (sent as X-Filename header)
|
||
const rawName = req.headers['x-filename'];
|
||
const originalName = rawName
|
||
? decodeURIComponent(rawName).replace(/[^a-zA-Z0-9._\- ]/g, '_').slice(0, 200)
|
||
: `presentation.${ext}`;
|
||
|
||
const filename = `${room.uid}_${Date.now()}.${ext}`;
|
||
const filepath = path.join(presentationsDir, filename);
|
||
|
||
// Remove old presentation file if exists
|
||
if (room.presentation_file) {
|
||
// S8: defense-in-depth path traversal check
|
||
const oldPath = path.resolve(presentationsDir, room.presentation_file);
|
||
if (oldPath.startsWith(presentationsDir + path.sep) && fs.existsSync(oldPath)) fs.unlinkSync(oldPath);
|
||
}
|
||
|
||
fs.writeFileSync(filepath, buffer);
|
||
await db.run('UPDATE rooms SET presentation_file = ?, presentation_name = ?, updated_at = CURRENT_TIMESTAMP WHERE uid = ?', [filename, originalName, req.params.uid]);
|
||
const updated = await db.get('SELECT * FROM rooms WHERE uid = ?', [req.params.uid]);
|
||
res.json({ room: updated });
|
||
} catch (err) {
|
||
console.error('Presentation upload error:', err);
|
||
res.status(500).json({ error: 'Presentation could not be uploaded' });
|
||
}
|
||
});
|
||
|
||
// DELETE /api/rooms/:uid/presentation - Remove presentation file
|
||
router.delete('/:uid/presentation', authenticateToken, async (req, res) => {
|
||
try {
|
||
const db = getDb();
|
||
const room = await db.get('SELECT * FROM rooms WHERE uid = ? AND user_id = ?', [req.params.uid, req.user.id]);
|
||
if (!room) return res.status(404).json({ error: 'Room not found or no permission' });
|
||
|
||
if (room.presentation_file) {
|
||
// S8: defense-in-depth path traversal check
|
||
const filepath = path.resolve(presentationsDir, room.presentation_file);
|
||
if (filepath.startsWith(presentationsDir + path.sep) && fs.existsSync(filepath)) fs.unlinkSync(filepath);
|
||
}
|
||
|
||
await db.run('UPDATE rooms SET presentation_file = NULL, presentation_name = NULL, updated_at = CURRENT_TIMESTAMP WHERE uid = ?', [req.params.uid]);
|
||
const updated = await db.get('SELECT * FROM rooms WHERE uid = ?', [req.params.uid]);
|
||
res.json({ room: updated });
|
||
} catch (err) {
|
||
console.error('Presentation delete error:', err);
|
||
res.status(500).json({ error: 'Presentation could not be removed' });
|
||
}
|
||
});
|
||
|
||
export default router;
|