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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748import { existsSync } from 'node:fs';import { copyFile, readFile, writeFile } from 'node:fs/promises';import { resolve } from 'node:path';import { randomBytes } from 'node:crypto';
import { generateClientAssertionKey } from '@atcute/oauth-node-client';
const cwd = process.cwd();const examplePath = resolve(cwd, '.env.example');const envPath = resolve(cwd, '.env');
if (!existsSync(envPath)) { if (!existsSync(examplePath)) { throw new Error(`missing .env.example (expected at ${examplePath})`); } await copyFile(examplePath, envPath); console.log(`created ${envPath}`);}
const upsertVar = (input: string, key: string, value: string): string => { const line = `${key}=${value}`; const re = new RegExp(`^${key}=.*$`, 'm');
if (re.test(input)) { const match = input.match(re); const current = match ? match[0].slice(key.length + 1).trim() : ''; // Only overwrite if empty/placeholder if (current === '' || current === "''" || current === '""' || current.includes('...')) { return input.replace(re, line); } return input; }
const suffix = input.endsWith('\n') || input.length === 0 ? '' : '\n'; return `${input}${suffix}${line}\n`;};
let vars = await readFile(envPath, 'utf8');
const secret = randomBytes(32).toString('base64url');vars = upsertVar(vars, 'COOKIE_SECRET', secret);
const jwk = await generateClientAssertionKey('main-key');vars = upsertVar(vars, 'CLIENT_ASSERTION_KEY', JSON.stringify(jwk));
await writeFile(envPath, vars);console.log(`updated ${envPath}`);