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Programming language: Crystal
License: MIT License
Tags: Framework Components    
Latest version: v0.5.0

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README

Shield

Shield is a comprehensive security solution for Lucky framework. It features robust authentication and authorization, including user registrations, logins and logouts, password resets and more.

Shield is secure by default, and exploits defence-in-depth strategies, including pinning an authentication session to the IP address that started it -- the session is invalidated if the IP address changes.

User IDs are never saved in session. Instead, each authentication gets a unique ID and token, which is saved in session, and checked against their corresponding salted SHA-256 hashes in the database.

When a user changes their password, Shield logs out the user on all devices (except the current one), to ensure that an attacker no longer has access to a previously compromised account.

Shield supports API authentication, with regular passwords or with user-generated bearer tokens. In addition, all authentication actions that can be performed in the browser have their API equivalents.

Shield is designed to be resilient against critical application vulnerabilities, including brute force, user enumeration, denial of service and timing attacks.

On top of these, Shield offers seamless integration with your application. For the most part, include a bunch of modules in the appropriate classes, and you are good to go!

Documentation

Find the complete documentation of Shield in the docs/ directory of this repository.

Todo

  • [x] User registrations
  • [x] Logins and logouts
  • [x] Password resets
  • [x] Login notifications
  • [x] Password change notifications
  • [x] Pin authentication session to its IP address
  • [x] Authorization
  • [x] Email confirmation
  • [x] Bearer logins (API tokens)
  • [x] Login idle timeout
  • [x] Pwned Passwords integration
  • [ ] Multi-factor authentication

Development

Run tests with docker-compose run --rm spec. If you need to update shards before that, run docker-compose run --rm shards.

If you would rather run tests on your local machine (ie, without docker), create a .env.sh file:

#!/bin/bash

export APP_DOMAIN=http://localhost:5000
export DATABASE_URL='postgres://postgres:[email protected]:5432/shield_spec'
export SECRET_KEY_BASE='XeqAgSy5QQ+dWe8ruOBUMrz9XPbPZ7chPVtz2ecDGss='
export SERVER_HOST='0.0.0.0'
export SERVER_PORT=5000

Update the file with your own details. Then run tests with source .env.sh && crystal spec.

Contributing

  1. Fork it
  2. Switch to the dev branch: git checkout dev
  3. Create your feature branch: git checkout -b my-new-feature
  4. Make your changes, updating changelog and documentation as appropriate.
  5. Commit your changes: git commit
  6. Push to the branch: git push origin my-new-feature
  7. Submit a new Pull Request against the GrottoPress:dev branch.

Security

Kindly report suspected security vulnerabilities in private, via contact details outlined in this repository's .security.txt file.