@translated/lara-mcp/dist/rest/server.js

Lara API official MCP server

import express from "express";
import helmet from "helmet";
import cors from "./middleware/cors.js";
import { env } from "#env";
import { ServerException } from "#exception";
import { logger } from "#logger";
import loggingMiddleware from "./middleware/logging.js";
import { createServer } from "node:http";
export class RestServer {
    port;
    host;
    express;
    httpServer;
    constructor() {
        // -- Member variables
        this.port = env.PORT;
        this.host = env.HOST;
        this.express = express();
        // -- Json parser
        this.express.use(express.json());
        // -- Security
        this.express.use(cors);
        this.express.use(helmet());
        // -- Logging
        this.express.use(loggingMiddleware);
    }
    start() {
        logger.info(`Starting HTTP server on ${this.host}:${this.port}...`);
        // Bind specifically on 127.0.0.1 to avoid binding to all interfaces
        this.httpServer = createServer(this.express).listen(this.port, this.host, () => {
            logger.info(`HTTP server successfully started on ${this.host}:${this.port}`);
        });
    }
    stop() {
        if (!this.httpServer) {
            logger.error("Cannot stop HTTP server, it is not started");
            return;
        }
        logger.info(`Stopping HTTP server on ${this.host}:${this.port}...`);
        this.httpServer.close(() => {
            logger.info(`HTTP server successfully stopped on ${this.host}:${this.port}`);
        });
    }
    configure() {
        return this.express;
    }
    send(res, payload) {
        logger.debug("Sending response to client: " + JSON.stringify(payload));
        if (payload instanceof ServerException) {
            res.status(400).json({
                error: {
                    code: payload.code,
                    message: payload.message,
                },
            });
            return;
        }
        res.status(200).json(payload);
    }
    sendJsonRpc(res, payload) {
        logger.debug("Sending JSON-RPC response to client: " + JSON.stringify(payload));
        if (payload instanceof ServerException) {
            res.status(400).json(this.createJsonRpcResponse(payload));
            return;
        }
        res.status(200).json(this.createJsonRpcResponse(payload));
    }
    createJsonRpcResponse(payload) {
        if (payload instanceof ServerException) {
            return {
                jsonrpc: "2.0",
                error: {
                    code: payload.code,
                    message: payload.message,
                },
                id: "",
            };
        }
        return {
            jsonrpc: "2.0",
            result: payload,
            id: "",
        };
    }
}