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https://github.com/mikespook/gorbac

goRBAC provides a lightweight role-based access control (RBAC) implementation in Golang.
https://github.com/mikespook/gorbac

go rbac

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goRBAC provides a lightweight role-based access control (RBAC) implementation in Golang.

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README 

        
goRBAC 

======



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goRBAC provides a lightweight role-based access control implementation

in Golang.



For the purposes of this package:



	* an identity has one or more roles.

	* a role requests access to a permission.

	* a permission is given to a role.



Thus, RBAC has the following model:



	* many to many relationship between identities and roles.

	* many to many relationship between roles and permissions.

	* roles can have a parent role (inheriting permissions).



Version

=======



Currently, goRBAC has two released versions



[Version 1](https://github.com/mikespook/gorbac/tree/v1.dev) is the original design which will only be mantained to fix bugs.



[Version 2](https://github.com/mikespook/gorbac/tree/v2.dev) is the new design which will only be mantained to fix bugs.



and the developing branch is



[The master branch](https://github.com/mikespook/gorbac) will be under development with generic (go 1.18 and higher) and can be changed without notice.



Install

=======



Install the package:



> $ go get github.com/mikespook/gorbac

	

Usage

=====



Although you can adjust the RBAC instance anytime and it's absolutely safe, the library is designed for use with two phases:



1. Preparing



2. Checking



Preparing

---------



Import the library:



	import "github.com/mikespook/gorbac"



Get a new instance of RBAC:



	rbac := gorbac.New()



Get some new roles:



	rA := gorbac.NewRole("role-a")

	rB := gorbac.NewRole("role-b")

	rC := gorbac.NewRole("role-c")

	rD := gorbac.NewRole("role-d")

	rE := gorbac.NewRole("role-e")



Get some new permissions:



	pA := gorbac.NewPermission("permission-a")

	pB := gorbac.NewPermission("permission-b")

	pC := gorbac.NewPermission("permission-c")

	pD := gorbac.NewPermission("permission-d")

	pE := gorbac.NewPermission("permission-e")



Add the permissions to roles:



	rA.Assign(pA)

	rB.Assign(pB)

	rC.Assign(pC)

	rD.Assign(pD)

	rE.Assign(pE)



Also, you can implement `gorbac.Role` and `gorbac.Permission` for your own data structure.



After initialization, add the roles to the RBAC instance:



	rbac.Add(rA)

	rbac.Add(rB)

	rbac.Add(rC)

	rbac.Add(rD)

	rbac.Add(rE)



And set the inheritance:



	rbac.SetParent("role-a", "role-b")

	rbac.SetParents("role-b", []string{"role-c", "role-d"})

	rbac.SetParent("role-e", "role-d")



Checking

--------



Checking the permission is easy:



	if rbac.IsGranted("role-a", pA, nil) &&

		rbac.IsGranted("role-a", pB, nil) &&

		rbac.IsGranted("role-a", pC, nil) &&

		rbac.IsGranted("role-a", pD, nil) {

		fmt.Println("The role-a has been granted permis-a, b, c and d.")

	}



And there are some built-in util-functions: 

[InherCircle](https://godoc.org/github.com/mikespook/gorbac#InherCircle),

[AnyGranted](https://godoc.org/github.com/mikespook/gorbac#AnyGranted), 

[AllGranted](https://godoc.org/github.com/mikespook/gorbac#AllGranted). 

Please [open an issue](https://github.com/mikespook/gorbac/issues/new) 

for the new built-in requirement.



E.g.:



	rbac.SetParent("role-c", "role-a")

	if err := gorbac.InherCircle(rbac); err != nil {

		fmt.Println("A circle inheratance occurred.")

	}



Persistence

-----------



The most asked question is how to persist the goRBAC instance. Please check the post [HOW TO PERSIST GORBAC INSTANCE](https://mikespook.com/2017/04/how-to-persist-gorbac-instance/) for the details.



Authors

=======



 * Xing Xing  [Blog](http://mikespook.com) 

[@Twitter](http://twitter.com/mikespook)



Open Source - MIT Software License

==================================



See LICENSE.