verae-middleware/src/config.js

144 lines
3.8 KiB
JavaScript

/**
* @fileoverview Process configuration for the Verae Zapier middleware.
* @module config
*
* Loads optional `.env` then exports typed settings used by HTTP, NATS, and workers.
*/
import { readFileSync, existsSync } from 'node:fs';
import { resolve, dirname } from 'node:path';
import { fileURLToPath } from 'node:url';
import { createDebugger } from './debug/logger.js';
const log = createDebugger('app');
const __dirname = dirname(fileURLToPath(import.meta.url));
const rootDir = resolve(__dirname, '..');
/**
* Load KEY=VALUE pairs from `.env` without overriding existing process.env keys.
* @returns {void}
*/
export function loadEnvFile() {
const envPath = resolve(rootDir, '.env');
if (!existsSync(envPath)) return;
for (const line of readFileSync(envPath, 'utf8').split('\n')) {
const trimmed = line.trim();
if (!trimmed || trimmed.startsWith('#')) continue;
const eq = trimmed.indexOf('=');
if (eq === -1) continue;
const key = trimmed.slice(0, eq).trim();
const value = trimmed.slice(eq + 1).trim();
if (!(key in process.env)) {
process.env[key] = value;
}
}
}
loadEnvFile();
/**
* @param {string|undefined} value
* @param {boolean} [fallback=false]
* @returns {boolean}
*/
function bool(value, fallback = false) {
if (value === undefined) return fallback;
return ['1', 'true', 'yes', 'on'].includes(String(value).toLowerCase());
}
/**
* @param {string|undefined} value
* @param {number} fallback
* @returns {number}
*/
function int(value, fallback) {
const parsed = Number.parseInt(value ?? '', 10);
return Number.isFinite(parsed) ? parsed : fallback;
}
/**
* Runtime configuration object.
* @type {{
* port: number,
* host: string,
* veraeApiBaseUrl: string,
* mockVerae: boolean,
* natsEnabled: boolean,
* natsUrl: string,
* tokenSecret: string,
* jobPollIntervalMs: number,
* jobPollMaxAttempts: number,
* storePath: string,
* upgradeUrl: string,
* adminSecret: string,
* }}
*/
export const config = {
port: int(process.env.PORT, 3100),
host: process.env.HOST ?? '0.0.0.0',
veraeApiBaseUrl: (process.env.VERAE_API_BASE_URL ?? 'http://localhost:8080').replace(
/\/$/,
'',
),
mockVerae: bool(process.env.MOCK_VERAE, false),
natsEnabled: bool(process.env.NATS_ENABLED, false),
natsUrl: process.env.NATS_URL ?? 'nats://127.0.0.1:4222',
tokenSecret: process.env.TOKEN_SECRET ?? 'dev-secret-change-me',
jobPollIntervalMs: int(process.env.JOB_POLL_INTERVAL_MS, 2000),
jobPollMaxAttempts: int(process.env.JOB_POLL_MAX_ATTEMPTS, 60),
waitTimeoutMs: int(process.env.WAIT_TIMEOUT_MS, 25000),
mockJobCompleteMs: int(process.env.MOCK_JOB_COMPLETE_MS, 150),
storePath: resolve(rootDir, process.env.STORE_PATH ?? './data/store.json'),
upgradeUrl: process.env.UPGRADE_URL ?? 'https://veraetime.net/billing',
adminSecret: process.env.ADMIN_SECRET ?? 'change-me-admin',
};
/**
* Default plan limits. `null` numeric fields mean unlimited.
* @type {Record<string, {
* timestamps: number|null,
* verifications: number|null,
* batch: boolean,
* batchMaxItems: number|null,
* requestsPerMinute: number
* }>}
*/
export const PLAN_LIMITS = {
free: {
timestamps: 50,
verifications: 50,
batch: false,
batchMaxItems: 0,
requestsPerMinute: 30,
},
starter: {
timestamps: 500,
verifications: 500,
batch: true,
batchMaxItems: 10,
requestsPerMinute: 120,
},
pro: {
timestamps: 5000,
verifications: 5000,
batch: true,
batchMaxItems: 100,
requestsPerMinute: 600,
},
enterprise: {
timestamps: null,
verifications: null,
batch: true,
batchMaxItems: null,
requestsPerMinute: 3000,
},
};
log.info('config loaded', {
veraeApiBaseUrl: config.veraeApiBaseUrl,
mockVerae: config.mockVerae,
natsEnabled: config.natsEnabled,
natsUrl: config.natsUrl,
port: config.port,
});