@economic-mcp/server-economic/src/middleware/auth.js

Model Context Protocol server for e-conomic API

const axios = require('axios');

// Authentication middleware for e-conomic API
const authMiddleware = (req, res, next) => {
  // Check if API keys are provided in the request headers
  const appSecretToken = req.headers['x-appsecrettoken'] || process.env.ECONOMIC_APP_SECRET_TOKEN;
  const agreementGrantToken = req.headers['x-agreementgranttoken'] || process.env.ECONOMIC_AGREEMENT_GRANT_TOKEN;
  
  if (!appSecretToken || !agreementGrantToken) {
    return res.status(401).json({
      error: 'Authentication failed',
      message: 'Missing required authentication tokens'
    });
  }
  
  // Add the tokens to the request object for use in route handlers
  req.economicAuth = {
    appSecretToken,
    agreementGrantToken
  };
  
  next();
};

// Error handling middleware
const errorHandler = (err, req, res, next) => {
  console.error('Server error:', err);
  
  // Handle axios errors
  if (axios.isAxiosError(err)) {
    return res.status(err.response?.status || 500).json({
      error: 'API request failed',
      message: err.message,
      details: err.response?.data
    });
  }
  
  // Handle other errors
  res.status(500).json({
    error: 'Server error',
    message: err.message
  });
};

module.exports = {
  authMiddleware,
  errorHandler
};