caisse-enregistreuse-mcp-server

import express, { type Application, type Request, type Response, NextFunction } from 'express'; import fs from 'fs'; import path from 'path'; import { t, getLang } from '../i18n/index.js'; import { fileURLToPath } from 'url'; const __filename = fileURLToPath(import.meta.url); const __dirname = path.dirname(__filename); function deepGet(obj: any, key: string) { return key.split('.').reduce((o,k)=> (o && typeof o==='object') ? o[k] : undefined, obj); } function render(obj: any, dict: any): any { if (typeof obj === 'string') { return obj.replace(/\{\{([^}]+)\}\}/g, (_,k) => { const v = deepGet(dict, k.trim()); return v !== undefined ? String(v) : ''; }); } else if (Array.isArray(obj)) { return obj.map(x => render(x, dict)); } else if (obj && typeof obj === 'object') { const out: any = {}; for (const k of Object.keys(obj)) out[k] = render(obj[k], dict); return out; } return obj; } function loadDict(lang: string) { const base = path.resolve(__dirname, '..', '..'); const p = path.join(base, 'locales', lang, 'common.json'); return JSON.parse(fs.readFileSync(p, 'utf-8')); } function corsLite(req: Request, res: Response, next: NextFunction) { res.setHeader('Access-Control-Allow-Origin', '*'); res.setHeader('Access-Control-Allow-Methods', 'GET,POST,OPTIONS'); res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Authorization'); if (req.method === 'OPTIONS') return res.sendStatus(204); next(); } export default function httpServer(_server: unknown): Application { const app = express(); app.use(corsLite); app.get('/health', (_req: Request, res: Response) => { res.json({ status: 'ok', lang: getLang() }); }); app.get(['/.well-known/mcp/manifest.json','/mcp/manifest'], (req: Request, res: Response) => { // resolve locale preference res.setHeader('Cache-Control', 'public, max-age=60'); let lang = process.env.MCP_LANG || ''; if (!lang && req.headers['accept-language']) { const m = String(req.headers['accept-language']).match(/^[a-z]{2}/i); if (m) lang = m[0]; } lang = (lang || 'en').toLowerCase().slice(0,2); const base = path.resolve(__dirname, '..', '..'); const tmpl = JSON.parse(fs.readFileSync(path.join(base, 'manifest.template.json'), 'utf-8')); const dict = loadDict(lang); const rendered = render(tmpl, dict); res.json(rendered); }); return app; }