mirror of https://github.com/astaxie/beego.git
61 lines
1.7 KiB
Go
61 lines
1.7 KiB
Go
// Copyright 2017 The casbin Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package model
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import (
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"errors"
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"strings"
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"github.com/casbin/casbin/log"
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"github.com/casbin/casbin/rbac"
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)
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// Assertion represents an expression in a section of the model.
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// For example: r = sub, obj, act
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type Assertion struct {
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Key string
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Value string
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Tokens []string
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Policy [][]string
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RM rbac.RoleManager
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}
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func (ast *Assertion) buildRoleLinks(rm rbac.RoleManager) {
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ast.RM = rm
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count := strings.Count(ast.Value, "_")
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for _, rule := range ast.Policy {
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if count < 2 {
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panic(errors.New("the number of \"_\" in role definition should be at least 2"))
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}
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if len(rule) < count {
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panic(errors.New("grouping policy elements do not meet role definition"))
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}
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if count == 2 {
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// error intentionally ignored
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ast.RM.AddLink(rule[0], rule[1])
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} else if count == 3 {
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// error intentionally ignored
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ast.RM.AddLink(rule[0], rule[1], rule[2])
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} else if count == 4 {
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// error intentionally ignored
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ast.RM.AddLink(rule[0], rule[1], rule[2], rule[3])
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}
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}
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log.LogPrint("Role links for: " + ast.Key)
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ast.RM.PrintRoles()
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}
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