forked from casbin/casbin
/
function.go
38 lines (30 loc) · 1.29 KB
/
function.go
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// Copyright 2017 The casbin Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package model
import "github.com/casbin/casbin/util"
// FunctionMap represents the collection of Function.
type FunctionMap map[string]func(args ...interface{}) (interface{}, error)
// Function represents a function that is used in the matchers, used to get attributes in ABAC.
type Function func(args ...interface{}) (interface{}, error)
// AddFunction adds an expression function.
func (fm FunctionMap) AddFunction(name string, function Function) {
fm[name] = function
}
// LoadFunctionMap loads an initial function map.
func LoadFunctionMap() FunctionMap {
fm := make(FunctionMap)
fm.AddFunction("keyMatch", util.KeyMatchFunc)
fm.AddFunction("regexMatch", util.RegexMatchFunc)
return fm
}