taapi-cache/dist/middleware/Authentication.js

TAAPI.IO Cache Package. A convenient way to fetch candles, store them and reuse them.

/**
 * This middleware class adds more information to the request 
 * object. Mainly information about the authentication status 
 * of the querier
 */
// Import the JSON Web Token package
const config = require("../config/config");

module.exports = async (req, res, next) => {
  // Get the authentication header
  const authHeader = req.get("Authorization");
  req.isAuthenticated = false;
  /** 
   * Add the response object to the request object. 
   * This is used by the schema resolv functions to 
   * set apropriate response status codes 
   */

  req.response = res;
  /**
   * Authentication depends on which request 
   * method is used. This can be GET or POST
   */

  const requestMethod = req.method.toLowerCase();
  let providedToken = null; // Fetch secret from GET Request

  if (requestMethod === "get" || requestMethod === "delete") {
    if (!req.query.secret) {
      req.isAuthenticated = false;
      return next();
    } // Store the users auth token


    providedToken = req.query.secret;
  } else if (requestMethod === "post") {
    // Fetch secret from POST Request
    if (!req.body.secret) {
      req.isAuthenticated = false;
      return next();
    } // Store the users auth token


    providedToken = req.body.secret;
  }

  if (providedToken && config.auth.secret === providedToken) {
    req.isAuthenticated = true;
    return next();
  }

  return next();
};