jsonadapter

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Published: Dec 20, 2017 License: Apache-2.0 Imports: 4 Imported by: 0

README

JSON Adapter Build Status Coverage Status Godoc

JSON Adapter is the JSON (JavaScript Object Notation) adapter for Casbin. With this library, Casbin can load policy from JSON string or save policy to it.

Installation

go get github.com/casbin/json-adapter

Simple Example

package main

import (
	"github.com/casbin/casbin"
	"github.com/casbin/json-adapter"
)

func main() {
	// Initialize a JSON adapter and use it in a Casbin enforcer:
	b := []byte{} // b stores Casbin policy in JSON bytes.
	a := jsonadapter.NewAdapter(&b) // Use b as the data source. 
	e := casbin.NewEnforcer("examples/rbac_model.conf", a)
	
	// Load the policy from JSON bytes b.
	e.LoadPolicy()
	
	// Check the permission.
	e.Enforce("alice", "data1", "read")
	
	// Modify the policy.
	// e.AddPolicy(...)
	// e.RemovePolicy(...)
	
	// Save the policy back to JSON bytes b.
	e.SavePolicy()
}

Getting Help

License

This project is under Apache 2.0 License. See the LICENSE file for the full license text.

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Adapter

type Adapter struct {
	// contains filtered or unexported fields
}

Adapter represents the Redis adapter for policy storage. It can load policy from JSON bytes or save policy to JSON bytes.

func NewAdapter

func NewAdapter(source *[]byte) *Adapter

NewAdapter is the constructor for Adapter.

func (*Adapter) AddPolicy

func (a *Adapter) AddPolicy(sec string, ptype string, rule []string) error

AddPolicy adds a policy rule to the storage.

func (*Adapter) LoadPolicy

func (a *Adapter) LoadPolicy(model model.Model) error

LoadPolicy loads policy from database.

func (*Adapter) RemoveFilteredPolicy

func (a *Adapter) RemoveFilteredPolicy(sec string, ptype string, fieldIndex int, fieldValues ...string) error

RemoveFilteredPolicy removes policy rules that match the filter from the storage.

func (*Adapter) RemovePolicy

func (a *Adapter) RemovePolicy(sec string, ptype string, rule []string) error

RemovePolicy removes a policy rule from the storage.

func (*Adapter) SavePolicy

func (a *Adapter) SavePolicy(model model.Model) error

SavePolicy saves policy to database.

type CasbinRule

type CasbinRule struct {
	PType string
	V0    string
	V1    string
	V2    string
	V3    string
	V4    string
	V5    string
}

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