Usually, web application and database are independent applications, only connected through database client. The middleware and functions colored in green are the ones related to Passport. In addition to these, we implement Passport as an authentication layer. We use Express.js as an application framework, along with its common middleware modules like cookie-parser, body-parser, and express session to make authentication possible. Application structureįigure 1 shows the rough structure of application we are going to make. Although passport.js is very easy to extend itself to implement Oauth, this tutorial focuses on the very basic most common authentication: Username and Password, in conjunction with the passport-local strategy module distributed by Jared Hanson, who is a main contributor of Passport’s strategies. In this tutorial I’m going to show you how to authenticate a user with username/password combination using Passport.js, Node.js middleware that handles authentication. In short, inside authentication lies the foundation of web application development. And for most of learning developers, that is the first challenge they face-send request from the client side, process the request’s body, load data from database, respond with proper information redirecting a user or showing proper error message. Most of web applications come with authentication. This is the first of four tutorials that show you how to implement and use Node.js authentication middleware Passport.js. If you found any error in the codes below, please refer to the codes on Github.
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