Files
node-pkg-express-utils/src/config.ts
2020-11-19 23:03:29 +01:00

51 lines
2.1 KiB
TypeScript

import * as env from 'env-var';
import {urlJoin} from './helpers/urlJoin';
const NODE_ENV = env.get('NODE_ENV').default('development').asString();
const isProduction = NODE_ENV === 'production';
const envs = {
NODE_ENV,
// port of the server
PORT: env.get('PORT').default('3000').asPortNumber(),
// hostname of the server ('0.0.0.0' listens on all network interfaces)
HOSTNAME: env.get('HOSTNAME').default('0.0.0.0').asString(),
// base path
BASE_PATH: env.get('BASE_PATH').default('/').asString(),
// external base url
EXTERNAL_BASE_URL: env.get('EXTERNAL_BASE_URL').asString(),
// url of redis session store (required in production using InMemory)
REDIS_URL: env.get('REDIS_URL').asString() || undefined,
// cookie secret for the session id (required in production using Session)
SESSION_SECRET: env.get('SESSION_SECRET').asString() || undefined,
// header where user info token is stored to request auth proxy
USERINFO_HEADER: env.get('USERINFO_HEADER').default('X-Userinfo-Token').asString(),
// header when user info token expires (seconds after 01/01/1970)
EXPIRE_HEADER: env.get('EXPIRE_HEADER').default('X-Userinfo-Expire').asString(),
// base url to init a logout or request user info
AUTH_PROXY_URL: env.get('AUTH_PROXY_URL').asString() || undefined,
// override AUTH_PROXY_URL to request user info
AUTH_PROXY_USERINFO_URL: env.get('AUTH_PROXY_USERINFO_URL').asString() || undefined,
// override AUTH_PROXY_URL to init a logout
AUTH_PROXY_INIT_LOGOUT_URL: env.get('AUTH_PROXY_INIT_LOGOUT_URL').asString() || undefined,
};
function requireEnv(name: string, onlyInProduction = false): void {
env.get(name).required(!onlyInProduction || isProduction).asString();
}
export const DefaultConfig = {
...envs,
EXTERNAL_BASE_URL:
envs.EXTERNAL_BASE_URL ||
urlJoin(`http://${envs.HOSTNAME}${envs.PORT !== 80 ? `:${envs.PORT}` : ''}`, envs.BASE_PATH),
isProduction,
requireEnv,
AUTH_PROXY_USERINFO_URL: envs.AUTH_PROXY_USERINFO_URL ||
envs.AUTH_PROXY_URL && urlJoin(envs.AUTH_PROXY_URL, 'userinfo'),
AUTH_PROXY_INIT_LOGOUT_URL: envs.AUTH_PROXY_INIT_LOGOUT_URL ||
envs.AUTH_PROXY_URL && urlJoin(envs.AUTH_PROXY_URL, 'init-logout'),
};