kotsukotsu/server/config.ts

53 lines
1.3 KiB
TypeScript

const DEFAULT_PORT = 5174
const DEFAULT_SQLITE_PATH = './leo-typing.db'
function parsePort(value: string | undefined): number {
if (!value) return DEFAULT_PORT
const port = Number.parseInt(value, 10)
if (Number.isNaN(port) || port < 1 || port > 65535) {
throw new Error(`Invalid PORT value: ${value}`)
}
return port
}
function parseBoolean(value: string | undefined, fallback: boolean): boolean {
if (!value) return fallback
switch (value.toLowerCase()) {
case '1':
case 'true':
case 'yes':
case 'on':
return true
case '0':
case 'false':
case 'no':
case 'off':
return false
default:
throw new Error(`Invalid boolean value: ${value}`)
}
}
const appOrigin = process.env.APP_ORIGIN ? new URL(process.env.APP_ORIGIN) : null
export const runtimeConfig = {
host: process.env.HOST || '127.0.0.1',
port: parsePort(process.env.PORT),
sqlitePath: process.env.SQLITE_PATH || DEFAULT_SQLITE_PATH,
appOrigin,
sessionCookieSecure: parseBoolean(
process.env.SESSION_COOKIE_SECURE,
appOrigin?.protocol === 'https:',
),
}
export function resolveOrigin(req: Request): string {
return runtimeConfig.appOrigin?.origin || new URL(req.url).origin
}
export function resolveRpId(req: Request): string {
return runtimeConfig.appOrigin?.hostname || new URL(req.url).hostname
}