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Authz

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Authz is an authorization middleware for Gin, it's based on https://github.com/casbin/casbin.

Installation

go get github.com/gin-contrib/authz

Simple Example

package main

import (
    "net/http"

    "github.com/casbin/casbin"
    "github.com/gin-contrib/authz"
    "github.com/gin-gonic/gin"
)

func main() {
    // load the casbin model and policy from files, database is also supported.
    e := casbin.NewEnforcer("authz_model.conf", "authz_policy.csv")

    // define your router, and use the Casbin authz middleware.
    // the access that is denied by authz will return HTTP 403 error.
    router := gin.New()
    router.Use(authz.NewAuthorizer(e))
}

Documentation

The authorization determines a request based on {subject, object, action}, which means what subject can perform what action on what object. In this plugin, the meanings are:

  1. subject: the logged-on user name
  2. object: the URL path for the web resource like "dataset1/item1"
  3. action: HTTP method like GET, POST, PUT, DELETE, or the high-level actions you defined like "read-file", "write-blog"

For how to write authorization policy and other details, please refer to the Casbin's documentation.

Getting Help

License

This project is under MIT License. See the LICENSE file for the full license text.

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gin-authz is an authorization middleware for Gin

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