feathers-http-distributed/lib/middleware.js

Distribute FeathersJS apps over the network with inter-service communication using HTTP protocol

const { INTERNAL_REQUEST_HEADER } = require('./constants');

// Handle internal network requests from remote apps
// Returns true when internal network request is received
// Any custom middlewares for external requests should be skipped when receiving an internal network request
const handleInternalRequest = function (req, options = {}) {
  const internalRequestHeader = options.internalRequestHeader || INTERNAL_REQUEST_HEADER;
  const requestHeader = req.headers[internalRequestHeader.toLowerCase()];

  if (!requestHeader) { return false; }

  const params = JSON.parse(requestHeader);

  params.fromRemote = true;

  for (const key of Object.keys(params)) { req.feathers[key] = params[key]; }

  delete req.feathers.provider;
  delete req.feathers.headers;

  return true;
};

module.exports = handleInternalRequest;