An unobtrusive Ruby authentication library for ActiveRecord-based Rails applications.
Authlogic is a Ruby authentication library designed specifically for Rails applications using ActiveRecord. It provides a complete authentication system that handles user sessions, credential validation, and security features while maintaining Rails conventions. The library solves the problem of implementing robust authentication without the complexity of rolling custom solutions.
Rails developers building applications that require user authentication, particularly those using ActiveRecord who want a clean, convention-over-configuration approach. It's ideal for teams that need flexible authentication that integrates naturally with existing models.
Developers choose Authlogic for its unobtrusive design that doesn't force application architecture changes, its seamless ActiveRecord integration, and its extensive configuration options. Unlike heavier authentication frameworks, it provides essential authentication features without unnecessary complexity.
A simple ruby authentication solution.
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Seamlessly adds authentication via `acts_as_authentic` with automatic detection of login fields like email or username, minimizing boilerplate code.
Handles user sessions through dedicated models, offering configurable hooks for login, persistence, and logout with remember-me functionality.
Includes BCrypt for password hashing, CSRF protection integration, and SameSite cookie configuration, providing robust security out of the box.
Supports modular add-ons for OpenID, LDAP, and OAuth, allowing easy customization without bloating the core library.
Requires explicit configuration to integrate with Rails' CSRF protection, as noted in the README, adding complexity and potential security oversights if overlooked.
Tightly coupled with specific Rails and Ruby versions per the compatibility table, making upgrades challenging and prone to breaking changes.
Lacks pre-made views or front-end components, forcing developers to build authentication interfaces from scratch, unlike more comprehensive alternatives.