Usually, you'll run OPA as a daemon. Often the easiest way to understand a new language is by comparing Supports ACL, RBAC, and other access models. OPA does not support Policy Information Points (PIP) - that's by design. Flexible policy storage Besides memory and file, Casbin policy can be stored into lots of places. oso - Oso provides APIs for enforcing authorization in your application, whereas this is currently out of scope for OPA. Perhaps the most concrete answer is a detailed description of how Chef Automate uses OPA to implement application authorization. write the policies you really care about. Based on that data, you can find the most popular open-source packages, Thanks for contributing an answer to Stack Overflow! As @RomanMinkin mentioned, you can also consider Casbin ( https://github.com/casbin/casbin ). Basically auth service should answer a question: what pets user Bob could see? and then convert this response into the query. With the help of Casbin, you can easily implement the access control of RBAC without additional code. that years down the road no one will understand. Both Oso and OPA push you as a developer to separate logic from data by asking you to represent your authorization logic in a separate policy. Casbin is an open source authorization library with support for many models (like Access Control Lists or ACLs, Role Based Access Control or RBAC, Restful, etc) and with implementations on several programming languages (ie: Python, Go, Java, Rust, Ruby, etc). casbin - 14,359 6.8 Go OPA (Open Policy Agent) VS casbin An authorization library that supports access control models like ACL, RBAC, ABAC in Golang oso 3 3,010 8.5 Rust OPA (Open Policy Agent) VS oso Oso is a batteries-included framework for building authorization in your application. An example ABAC policy in english might be: OPA supports ABAC policies as shown below. The Golaang language is also a framework in the reptile. What is this brick with a round back and a stud on the side used for? [ , , (img-WT2buJjY-1655121545271)(https://d33wubrfki0l68.cloudfront.net/b394f524e15a67457b85fdfeed02ff3f2764eb9e/6ac2b/docs/latest/images /opa-server.svg)]. Here we show how policies from Oso provides APIs for enforcing authorization at multiple layers of the app, including filtering data at the data access layer and checking permissions in the client-facing user interface.
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