Online Login / Authentication System without database

Understand the basic logic of a login application through username and password authentication. Explore how authenticated users access privileges while others are denied, using a Facebook login example.

Explore two lightweight tools—HTML for design and the SB preprocessor—for building a database-free login page, including simple back-end operations and basic validations.

Learn the analysis and design phases of the software development lifecycle for an online login authentication system without a database, including analyzing existing software and creating UML and activity diagrams.

Develop a two-part login system by designing the user interface for the blogging app and implementing secure back-end authentication to enable user access.

Front end design teaches building a login form with action and post method, username and password inputs, and a submit button, illustrating secure validation without JavaScript.

Test the login system by validating valid and invalid credentials, supporting multiple users, and enforcing access control with database-backed authentication and input checks, including empty submissions.