Pundit
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Pundit | bullet | |
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25 | 27 | |
8,158 | 6,983 | |
0.5% | - | |
6.9 | 7.7 | |
20 days ago | 3 months ago | |
Ruby | Ruby | |
MIT License | MIT License |
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Pundit
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A guide to Auth & Access Control in web apps 🔐
https://github.com/varvet/pundit Popular open-source Ruby library focused around the notion of policies, giving you the freedom to implement your own approach based on that.
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Pundit VS Action Policy - a user suggested alternative
2 projects | 2 Jul 2023
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Launch HN: Infield (YC W20) – Safer, faster dependency upgrades
Can you expand a little? Here's some technical background on what we're doing:
We have our own database of every version of every rubygems package alongside its runtime dependencies (like you see at https://rubygems.org/gems/pundit).
Then we parse your Gemfile and Gemfile.lock. We use the Gemfile to figure out gem group and pinned requirements (we run turn your Gemfile into a ruby AST since Gemfiles can be arbitrary ruby code; we use bundler's APIs to parse your Gemfile.lock). This gives us all of the dependencies your rely on.
Then we let you choose one or more package that you want to upgrade and the version you want to target (let's say Rails 7.0.4.3).
Now we have [your dependencies and their current versions], [target rails version], [all of the runtime dependency constraints of these gems]. We run this through a dependency resolution algorithm (pubgrub). If it resolves then you're good to upgrade to that version of Rails without changing anything.
If this fails to resolve, it's because one or more of your current dependencies has a runtime restriction on rails (or another indirect gem being pulled in by the new rails version). This is where the optimization part comes in. The problem becomes "what is the optimal set of versions of all your dependencies that would resolve with the next version of Rails". Currently we solve for this set trying to optimize for the fewest upgrades. As our dataset of breaking changes gets better we'll change that to optimizing for the "lowest effort".
Happy to elaborate.
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Authentication, Roles, and Authorization... oh my.
For authorization, I'm going back and forth with Pundit and CanCanCan
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Protect your GraphQL data with resource_policy
Expressing authorization rules can be a bit challenging with the use of other authorization gems, such as pundit or cancancan. The resource_policy gem provides a more concise and expressive policy definition that uses a simple block-based syntax that makes it easy to understand and write authorization rules for each attribute.
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Permissions (access control) in web apps
https://github.com/varvet/pundit Popular open-source Ruby library focused around the notion of policies, giving you the freedom to implement your own approach based on that.
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YAGNI exceptions
PS If you do mobile / web work (or something else with "detached" UI), I find that declarative access control rules are far superior to imperative ones, because they can be serialized and shipped over the wire. For example, backend running cancancan can be easily send the same rules to casl on the frontend, while if you used something like pundit to secure your backend, you either end up re-implementing it in the frontend, or sending ton of "canEdit" flags with every record.
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Best practice for displaying info to different user roles?
You can use a combination of an authorization gem (https://github.com/varvet/pundit) and decorators (https://www.rubyguides.com/2018/04/decorator-pattern-in-ruby/) if you want to extend functionality based on their roles.
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Concerns about authorization when going in production
Use Action Policy or Pundit, and write tests for your policies. Authz is worth testing with near complete coverage.
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Complete Guide To Managing User Permissions In Rails Apps
Pundit: Pundit is a gem that uses simple Ruby objects, and it is probably the simplest policy gem we will cover. Is simple to use, has minimal authorization, and is similar to using pure Ruby. With 7.3k stars on GitHub, it is currently the most popular policy gem.
bullet
- What was the name of the gem that finds all unindexed foreign keys?
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Ban 1+N in Django
Rails has Bullet[0] to help identify and warn you against N+1
Does Django have anything active? Quick search revealed nplusone[1] but its been dead since 2018.
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Inherited rails app - what the hell are all these rack timeout lines in the log?
Without seeing more of the app, it's tough to say for certain, but one gem you might find helpful is the [bullet](https://github.com/flyerhzm/bullet) gem -- set this up in the app then start browsing around the app in development. If you have any N+1 queries or other minor optimizations that could be done it will inform you about them.
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A Guide to Memoization in Ruby
Getting rid of N+1 queries - This can help improve the speed of an app. The Bullet or Prosopite gems can give a lending hand here. The N+1 Dilemma — Bullet or Prosopite? entails a brief comparison of both.
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Understanding N and 1 queries problem
There's a Ruby gem called Bullet that identifies and warns developers about N+1 problems. You can also have it fail tests if detected.
I don't know if the approach is possible with every ORM or if it's just leveraging some Ruby perks, but I can't think of a good reason why you wouldn't use the equivalent everywhere.
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How do you find the cause of slowness in your app?
This is good advice, it'll likely pick out some glaring issues right away. I would generally recommend looking at DB queries here too and recommend Bullet, but most software like DataDog, AppSignal etc will often also point N+1 and issues like it out.
- What are the main suspects in a really slow Rails app?
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Best way to learn query optimization?
You could add the bullet gem to your project. It can notify you (in a variety of ways) if your queries can be optimised.
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My project: railstart app
bullet
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Prosopite gem a year after its release hits 785 stars! Thanks!
I first posted prosopite in this subreddit a year ago as an alternative to bullet.
What are some alternatives?
CanCanCan - The authorization Gem for Ruby on Rails.
rolify - Role management library with resource scoping
Action Policy - Authorization framework for Ruby/Rails applications
prosopite - :mag: Rails N+1 queries auto-detection with zero false positives / false negatives
Devise - Flexible authentication solution for Rails with Warden.
Authority
rack-mini-profiler - Profiler for your development and production Ruby rack apps.
Declarative Authorization - An unmaintained authorization plugin for Rails. Please fork to support current versions of Rails
oso - Oso is a batteries-included framework for building authorization in your application.
AccessGranted - Multi-role and whitelist based authorization gem for Rails (and not only Rails!)
Consul - Scope-based authorization for Ruby on Rails.
Peek - Take a peek into your Rails applications.