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roles.go
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/
roles.go
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package auth
import (
"encoding/json"
"fmt"
"net/http"
"github.com/dgrijalva/jwt-go"
)
// Role ...
type Role struct {
Get bool
Post bool
Admin bool
}
var adminRole = Role{Get: true, Post: true, Admin: true}
var operatorRole = Role{Get: true, Post: true, Admin: false}
var guestRole = Role{Get: true, Post: false, Admin: false}
func getRole(r string) (Role, error) {
if r == "admin" {
return adminRole, nil
} else if r == "operator" {
return operatorRole, nil
} else if r == "guest" {
return guestRole, nil
}
return Role{}, fmt.Errorf("No role '%s' found", r)
}
func hasPermission(t *jwt.Token, r *http.Request) bool {
var role Role
m := t.Claims["Role"]
// use JSON representation of the interface to assert it into a Role struct
j, _ := json.Marshal(&m)
json.Unmarshal(j, &role)
if r.URL.Path == "/users" && !role.Admin {
return false
} else if r.Method == "GET" {
return true
} else if role.Post || role.Admin {
return true
}
return false
}