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README.md
authz

authz is an authorization middleware for Tango, it's based on https://github.com/casbin/casbin.
Installation
go get github.com/tango-contrib/authz
Simple Example
package main
import (
"github.com/casbin/casbin"
"github.com/lunny/tango"
"github.com/tango-contrib/authz"
"github.com/tango-contrib/session"
)
func main() {
tg := tango.Classic()
sessions := session.New()
tg.Use(tango.HandlerFunc(func(ctx *tango.Context) {
sess := sessions.Session(ctx.Req(), ctx.ResponseWriter)
sess.Set("casbin_user", "user's name")
ctx.Next()
}))
// load the casbin model and policy from files, database is also supported.
e := casbin.NewEnforcer("examples/basic_model.conf", "examples/basic_policy.csv")
tg.Use(authz.Auth(&e, sessions))
// define the routers
// the access that is denied by authz will return "You have no permission to visit this page"
tg.Any("*", func() string {
// the access is permitted when got here
return "You have the correct permission"
})
tg.Run()
}
Getting Help
License
This project is under MIT License. See the LICENSE file for the full license text.