Files
backspace/packages/server/src/config.ts
T
Jannis Braun 7c544c1ff4 feat: security hardening, DB indexes, token revocation, and input validation
- SSRF protection: DNS resolution + private IP blocking on metadata fetcher
- Upload security: CSP/X-Frame-Options headers, SVG forced download, nosniff
- Auth hardening: JWT secret min length, password min 8 chars, token revocation via password_changed_at
- Attachment ownership verification before linking to messages
- Message length limit (4000 chars) enforced on client and server
- Asset URL validation on avatar/banner updates
- Federation instance validation (domain regex, origin scheme, length limits)
- DB indexes on all FK columns for query performance
- Migrations: nullable moderator columns, dm_messages reply_to FK constraint
- File cleanup on avatar/banner replacement and space deletion
- Fastify trustProxy, AbortController on fetches, typing map size cap
2026-03-15 00:06:15 +01:00

62 lines
1.9 KiB
TypeScript

import { config as dotenvConfig } from 'dotenv';
import { resolve, dirname } from 'path';
import { fileURLToPath } from 'url';
const __dirname = dirname(fileURLToPath(import.meta.url));
dotenvConfig({ path: resolve(__dirname, '../../../.env') });
function env(key: string, defaultValue?: string): string {
const value = process.env[key] ?? defaultValue;
if (value === undefined) {
throw new Error(`Missing required environment variable: ${key}`);
}
return value;
}
function envOptional(key: string): string | undefined {
return process.env[key] || undefined;
}
function envInt(key: string, defaultValue: number): number {
const value = process.env[key];
if (value === undefined) return defaultValue;
const parsed = parseInt(value, 10);
if (isNaN(parsed)) {
throw new Error(`Environment variable ${key} must be a number, got: ${value}`);
}
return parsed;
}
function envBool(key: string, defaultValue: boolean): boolean {
const value = process.env[key];
if (value === undefined) return defaultValue;
return value === 'true' || value === '1';
}
export const config = {
port: envInt('PORT', 3000),
host: env('HOST', '0.0.0.0'),
jwtSecret: env('JWT_SECRET'),
jwtExpiresIn: env('JWT_EXPIRES_IN', '30d'),
domain: envOptional('DOMAIN'),
livekit: {
url: envOptional('LIVEKIT_URL'),
apiKey: envOptional('LIVEKIT_API_KEY'),
apiSecret: envOptional('LIVEKIT_API_SECRET'),
},
uploadDir: env('UPLOAD_DIR', resolve(__dirname, '../../../data/uploads')),
dbPath: env('DB_PATH', resolve(__dirname, '../../../data/backspace.db')),
maxUploadSize: envInt('MAX_UPLOAD_SIZE', 104857600),
registrationOpen: envBool('REGISTRATION_OPEN', true),
} as const;
if (config.jwtSecret.length < 32) {
throw new Error(
`JWT_SECRET must be at least 32 characters (got ${config.jwtSecret.length}). ` +
`Generate one with: openssl rand -hex 32`
);
}