Series: Building a Social Network with Flask & Stream – Part 4

In the fourth installment of a tutorial series on building a full-stack application with Flask and Stream, the article focuses on setting up user authentication and permissions. It details the creation of views and forms for user registration, login, and logout, as well as functionalities for changing email or password. The process involves setting up an authentication folder, configuring Flask-Migrate for database changes, creating registration and login forms with custom validators, and integrating email confirmation using Flask-Mail. Additionally, the tutorial covers the navigation setup using a modular approach with Jinja, and implementing error handling for common HTTP errors. The article concludes with plans to develop user profile pages and testing strategies in the next installment.