Pundit

Minimal authorization through OO design and pure Ruby classes (by varvet)

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better Pundit alternative or higher similarity.

Pundit discussion

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  1. User avatar
    StanBright
    · 11 months ago
    · Reply

    Review ★★★★★ 9/10

    All my projects use Pundit for the authorization layer. It's very simple, easy to use and customize. It just stays out of your way and has all the necessary means to build a maintainable authorization system.

Pundit reviews and mentions

Posts with mentions or reviews of Pundit. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2025-02-08.
  • Pundit-ts: type-safe authorization library for Node.js
    3 projects | news.ycombinator.com | 8 Feb 2025
  • Rails and Keycloak, Authentication Authorization, part one
    7 projects | dev.to | 16 Aug 2024
    Pundit.
  • An Introduction to Auth0 for Ruby on Rails
    2 projects | dev.to | 31 Jul 2024
    Pundit is a great choice to define and use authorization policies, yet relies on checking a user's role.
  • A guide to Auth & Access Control in web apps 🔐
    8 projects | dev.to | 7 Nov 2023
    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.
  • Pundit VS Action Policy - a user suggested alternative
    2 projects | 2 Jul 2023
  • Launch HN: Infield (YC W20) – Safer, faster dependency upgrades
    4 projects | news.ycombinator.com | 8 Jun 2023
    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.

  • Authentication, Roles, and Authorization... oh my.
    6 projects | /r/rails | 26 Apr 2023
    For authorization, I'm going back and forth with Pundit and CanCanCan
  • Protect your GraphQL data with resource_policy
    3 projects | dev.to | 20 Feb 2023
    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.
  • Default to Deny for More Secure Apps
    1 project | dev.to | 18 Jan 2023
    As an example of how to default to deny, consider a Ruby on Rails app (as we tend to do). The primary way a user interacts with the app is through API endpoints powered by controllers. We use Pundit, a popular authorization library for Rails, to manage user permissions.
  • Permissions (access control) in web apps
    7 projects | dev.to | 30 Nov 2022
    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.
  • A note from our sponsor - InfluxDB
    www.influxdata.com | 16 May 2025
    InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now. Learn more →

Stats

Basic Pundit repo stats
28
8,390
8.2
11 days ago

varvet/pundit is an open source project licensed under MIT License which is an OSI approved license.

The primary programming language of Pundit is Ruby.


Sponsored
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InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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