zerobyte/app/server/core/config.ts
2026-03-11 18:53:58 +01:00

95 lines
2.9 KiB
TypeScript

import { readFileSync } from "node:fs";
import os from "node:os";
import { z } from "zod";
import "dotenv/config";
const getResticHostname = () => {
try {
const mountinfo = readFileSync("/proc/self/mountinfo", "utf-8");
const hostnameLine = mountinfo.split("\n").find((line) => line.includes(" /etc/hostname "));
const hostname = os.hostname();
if (hostnameLine) {
const containerIdMatch = hostnameLine.match(/[0-9a-f]{64}/);
const containerId = containerIdMatch ? containerIdMatch[0] : null;
if (containerId?.startsWith(hostname)) {
return "zerobyte";
}
return hostname || "zerobyte";
}
} catch {}
return "zerobyte";
};
const envSchema = z
.object({
NODE_ENV: z.enum(["development", "production", "test"]).default("production"),
SERVER_IP: z.string().default("localhost"),
SERVER_IDLE_TIMEOUT: z.coerce.number().int().default(60),
RESTIC_HOSTNAME: z.string().optional(),
PORT: z.coerce.number().int().default(4096),
MIGRATIONS_PATH: z.string().optional(),
APP_VERSION: z.string().default("dev"),
TRUSTED_ORIGINS: z.string().optional(),
DISABLE_RATE_LIMITING: z.string().default("false"),
APP_SECRET: z.string().min(32).max(256),
BASE_URL: z.string(),
ENABLE_DEV_PANEL: z.string().default("false"),
})
.transform((s) => ({
__prod__: s.NODE_ENV === "production",
environment: s.NODE_ENV,
serverIp: s.SERVER_IP,
serverIdleTimeout: s.SERVER_IDLE_TIMEOUT,
resticHostname: s.RESTIC_HOSTNAME || getResticHostname(),
port: s.PORT,
migrationsPath: s.MIGRATIONS_PATH,
appVersion: s.APP_VERSION,
trustedOrigins: s.TRUSTED_ORIGINS?.split(",")
.map((origin) => origin.trim())
.filter(Boolean)
.concat(s.BASE_URL) ?? [s.BASE_URL],
disableRateLimiting: s.DISABLE_RATE_LIMITING === "true",
appSecret: s.APP_SECRET,
baseUrl: s.BASE_URL,
isSecure: s.BASE_URL?.startsWith("https://") ?? false,
enableDevPanel: s.ENABLE_DEV_PANEL === "true",
}));
const parseConfig = (env: unknown) => {
const result = envSchema.safeParse(env);
if (!result.success) {
if (!process.env.APP_SECRET) {
const errorMessage = [
"",
"================================================================================",
"APP_SECRET is not configured.",
"",
"This secret is required for encrypting sensitive data in the database.",
"",
"To generate a new secret, run:",
" openssl rand -hex 32",
"",
"Then set the APP_SECRET environment variable with the generated value.",
"",
"IMPORTANT: Store this secret securely and back it up. If lost, encrypted data",
"in the database will be unrecoverable.",
"================================================================================",
"",
].join("\n");
console.error(errorMessage);
}
console.error(`Environment variable validation failed: ${result.error.message}`);
throw new Error("Invalid environment variables");
}
return result.data;
};
export const config = parseConfig(process.env);