Install

npm i express-middleware --save

Middlewares

• Available: Request Id, Child logger, JWT Token and HTTP Access logger
• Todo: JWT decoder, Error handler, ...

SSL Redirect

Force SSL redirection. Options object is optional. Two possibilities to disable redirection :

• set environment variable DISABLE_SSL_REDIRECT to true
• add disableto true in setup options.

const sslRedirect = require('express-middleware').sslRedirect;
app.use(sslRedirect(options));

Middleware dependency : None

Request Id

Add or append the request id to the req object.

const requestId = require('express-middleware').requestId;
app.use(requestId());

Middleware dependency : None

Child logger

Create a child logger and append it to the req object. Logger must be a bunyan instance (with the method child).

const childLogger = require('express-middleware').childLogger;
app.use(childLogger(logger));

Middleware dependency : Request Id (optional)

JWT Token

Append the token from header or query param to the req object.

Query param format is token=<mytoken> and header format is Authorization: Bearer <mytoken>.

const jwtToken = require('express-middleware').jwtToken;
app.use(jwtToken());

Middleware dependency : None

HTTP Access logger

Log http access properties for each request (like Apache httpd) in JSON format.

const httpAccessLogger = require('express-middleware').httpAccessLogger;
app.use(httpAccessLogger(opts));

Middleware dependency : Child logger (optional if options are overridden), Request Id (optional), JWT Token (optional)

Language

Set req.language according to the Accpet-Language header

opts.languages is a mandatory array, it must contains at least one language.

const language = require('express-middleware').language;
app.use(language(opts));

Middleware dependency : None

i18n

Parse i18n data in req.body using req.language value

const i18n = require('express-middleware').i18n;
app.use(i18n());

Middleware dependency : Language middleware

IP Blacklisting

Force IP address validation before accepting a request.

• set environment variable IP_BLACKLIST to be a list of comma separated IP addresses

const ipBlacklist = require('express-middleware').blacklistIPs;
app.use(ipBlacklist());

Middleware dependency : None

Contribute

npm test                # start test suites (coverage + lint + mocha)
npm run coverage        # run the code coverage tool
npm run coverage-html   # run the code coverage tool with html report
npm run lint            # execute linter tool
npm run mocha           # run the tests