casbin/lib/esm/model/functionMap.js

An authorization library that supports access control models like ACL, RBAC, ABAC in Node.JS

// 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.
import * as util from '../util';
// FunctionMap represents the collection of Function.
export class FunctionMap {
    /**
     * constructor is the constructor for FunctionMap.
     */
    constructor() {
        this.functions = new Map();
    }
    // loadFunctionMap loads an initial function map.
    static loadFunctionMap() {
        const fm = new FunctionMap();
        fm.addFunction('keyMatch', util.keyMatchFunc);
        fm.addFunction('keyGet', util.keyGetFunc);
        fm.addFunction('keyMatch2', util.keyMatch2Func);
        fm.addFunction('keyGet2', util.keyGet2Func);
        fm.addFunction('keyMatch3', util.keyMatch3Func);
        fm.addFunction('keyMatch4', util.keyMatch4Func);
        fm.addFunction('keyMatch5', util.keyMatch5Func);
        fm.addFunction('regexMatch', util.regexMatchFunc);
        fm.addFunction('ipMatch', util.ipMatchFunc);
        fm.addFunction('globMatch', util.globMatch);
        return fm;
    }
    // addFunction adds an expression function.
    addFunction(name, func) {
        if (!this.functions.get(name)) {
            this.functions.set(name, func);
        }
    }
    // getFunctions return all functions.
    getFunctions() {
        return this.functions;
    }
}