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https://github.com/casbin/node-casbin

An authorization library that supports access control models like ACL, RBAC, ABAC in Node.js and Browser
https://github.com/casbin/node-casbin

abac access-control acl auth authorization authz casbin javascript js node nodejs permission permissions rbac

Last synced: 2 days ago
JSON representation

An authorization library that supports access control models like ACL, RBAC, ABAC in Node.js and Browser

Host: GitHub
URL: https://github.com/casbin/node-casbin
Owner: casbin
License: apache-2.0
Created: 2018-07-15T03:55:31.000Z (over 6 years ago)
Default Branch: master
Last Pushed: 2024-10-28T14:29:38.000Z (about 1 month ago)
Last Synced: 2024-10-29T15:04:52.854Z (about 1 month ago)
Topics: abac, access-control, acl, auth, authorization, authz, casbin, javascript, js, node, nodejs, permission, permissions, rbac
Language: TypeScript
Homepage: https://casbin.org
Size: 2.97 MB
Stars: 2,604
Watchers: 20
Forks: 218
Open Issues: 23
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG.md
- License: LICENSE

Awesome Lists containing this project

awesome - casbin/node-casbin - An authorization library that supports access control models like ACL, RBAC, ABAC in Node.js and Browser (TypeScript)
awesome-nodejs-cn - node-casbin - 支持访问控制模型（如 ACL、RBAC 和 ABAC ）的授权库 (包 / 授权)
awesome-nodejs - node-casbin - Authorization library that supports access control models like ACL, RBAC and ABAC. ![](https://img.shields.io/github/stars/casbin/node-casbin.svg?style=social&label=Star) (Repository / Authorization)
awesome-web-cn - node-casbin - 一个 node 的权限管理库，支持 ACL , RBAC , ABAC 等访问控制模型的库 (Uncategorized / Uncategorized)
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awesome-nestjs - node-casbin - 支持 ACL, RBAC, ABAC 权限管理的 Nodejs 库 (资源 / 集成)
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awesome-nodejs - node-casbin - An authorization library that supports access control models like ACL, RBAC, ABAC in Node.js - ★ 192 (Authorization)
awesome-node - node-casbin - Authorization library that supports access control models like ACL, RBAC and ABAC. (Packages / Authorization)
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awesome - casbin/node-casbin - An authorization library that supports access control models like ACL, RBAC, ABAC in Node.js and Browser (TypeScript)

README

        # Node-Casbin

[![NPM version][npm-image]][npm-url]

[![NPM download][download-image]][download-url]

[![install size](https://packagephobia.now.sh/badge?p=casbin)](https://packagephobia.now.sh/result?p=casbin)

[![codebeat badge](https://codebeat.co/badges/c17c9ee1-da42-4db3-8047-9574ad2b23b1)](https://codebeat.co/projects/github-com-casbin-node-casbin-master)

[![GitHub Actions](https://github.com/casbin/node-casbin/workflows/main/badge.svg)](https://github.com/casbin/node-casbin/actions)

[![Coverage Status](https://coveralls.io/repos/github/casbin/node-casbin/badge.svg?branch=master)](https://coveralls.io/github/casbin/node-casbin?branch=master)

[![Release](https://img.shields.io/github/release/casbin/node-casbin.svg)](https://github.com/casbin/node-casbin/releases/latest)

[![Discord](https://img.shields.io/discord/1022748306096537660?logo=discord&label=discord&color=5865F2)](https://discord.gg/S5UjpzGZjN)

[npm-image]: https://img.shields.io/npm/v/casbin.svg?style=flat-square

[npm-url]: https://npmjs.org/package/casbin

[download-image]: https://img.shields.io/npm/dm/casbin.svg?style=flat-square

[download-url]: https://npmjs.org/package/casbin



  ^{Sponsored by}

  


  

    

      

      

      

    

  


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**News**: still worry about how to write the correct `node-casbin` policy? [Casbin online editor](http://casbin.org/editor) is coming to help!

![casbin Logo](casbin-logo.png)

`node-casbin` is a powerful and efficient open-source access control library for Node.JS projects. It provides support for enforcing authorization based on various [access control models](https://wikipedia.org/wiki/Computer_security_model).

## All the languages supported by Casbin:

| [![golang](https://casbin.org/img/langs/golang.png)](https://github.com/casbin/casbin) | [![java](https://casbin.org/img/langs/java.png)](https://github.com/casbin/jcasbin) | [![nodejs](https://casbin.org/img/langs/nodejs.png)](https://github.com/casbin/node-casbin) | [![php](https://casbin.org/img/langs/php.png)](https://github.com/php-casbin/php-casbin) |

| -------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------- |

| [Casbin](https://github.com/casbin/casbin)                                             | [jCasbin](https://github.com/casbin/jcasbin)                                        | [node-Casbin](https://github.com/casbin/node-casbin)                                        | [PHP-Casbin](https://github.com/php-casbin/php-casbin)                                   |

| production-ready                                                                       | production-ready                                                                    | production-ready                                                                            | production-ready                                                                         |

| [![python](https://casbin.org/img/langs/python.png)](https://github.com/casbin/pycasbin) | [![dotnet](https://casbin.org/img/langs/dotnet.png)](https://github.com/casbin-net/Casbin.NET) | [![c++](https://casbin.org/img/langs/cpp.png)](https://github.com/casbin/casbin-cpp) | [![rust](https://casbin.org/img/langs/rust.png)](https://github.com/casbin/casbin-rs) |

| ---------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------- |

| [PyCasbin](https://github.com/casbin/pycasbin)                                           | [Casbin.NET](https://github.com/casbin-net/Casbin.NET)                                         | [Casbin-CPP](https://github.com/casbin/casbin-cpp)                                   | [Casbin-RS](https://github.com/casbin/casbin-rs)                                      |

| production-ready                                                                         | production-ready                                                                               | beta-test                                                                            | production-ready                                                                      |

## Documentation

https://casbin.org/docs/overview

## Installation

```shell script

# NPM

npm install casbin --save

# Yarn

yarn add casbin

```

## Get started

New a `node-casbin` enforcer with a model file and a policy file, see [Model](#official-model) section for details:

```node.js

// For Node.js:

const { newEnforcer } = require('casbin');

// For browser:

// import { newEnforcer } from 'casbin';

const enforcer = await newEnforcer('basic_model.conf', 'basic_policy.csv');

```

> **Note**: you can also initialize an enforcer with policy in DB instead of file, see [Persistence](#policy-persistence) section for details.

Add an enforcement hook into your code right before the access happens:

```node.js

const sub = 'alice'; // the user that wants to access a resource.

const obj = 'data1'; // the resource that is going to be accessed.

const act = 'read'; // the operation that the user performs on the resource.

// Async:

const res = await enforcer.enforce(sub, obj, act);

// Sync:

// const res = enforcer.enforceSync(sub, obj, act);

if (res) {

  // permit alice to read data1

} else {

  // deny the request, show an error

}

```

Besides the static policy file, `node-casbin` also provides API for permission management at run-time.

For example, You can get all the roles assigned to a user as below:

```node.js

const roles = await enforcer.getRolesForUser('alice');

```

See [Policy management APIs](#policy-management) for more usage.

## Policy management

Casbin provides two sets of APIs to manage permissions:

- [Management API](https://casbin.org/docs/management-api): the primitive API that provides full support for Casbin policy management.

- [RBAC API](https://casbin.org/docs/rbac-api): a more friendly API for RBAC. This API is a subset of Management API. The RBAC users could use this API to simplify the code.

## Official Model

https://casbin.org/docs/supported-models

## Policy persistence

https://casbin.org/docs/adapters

## Policy consistence between multiple nodes

https://casbin.org/docs/watchers

## Role manager

https://casbin.org/docs/role-managers

## Contributors

This project exists thanks to all the people who contribute.



## Backers

Thank you to all our backers! 🙏 [[Become a backer](https://opencollective.com/casbin#backer)]



## Sponsors

Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [[Become a sponsor](https://opencollective.com/casbin#sponsor)]





















## License

This project is licensed under the [Apache 2.0 license](LICENSE).

## Contact

If you have any issues or feature requests, please contact us. PR is welcomed.

- https://github.com/casbin/node-casbin/issues

- [email protected]

- Tencent QQ group: [546057381](//shang.qq.com/wpa/qunwpa?idkey=8ac8b91fc97ace3d383d0035f7aa06f7d670fd8e8d4837347354a31c18fac885)