mirror of https://github.com/astaxie/beego.git
147 lines
3.8 KiB
Go
147 lines
3.8 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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"github.com/casbin/casbin/log"
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"github.com/casbin/casbin/rbac"
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"github.com/casbin/casbin/util"
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)
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// BuildRoleLinks initializes the roles in RBAC.
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func (model Model) BuildRoleLinks(rm rbac.RoleManager) {
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for _, ast := range model["g"] {
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ast.buildRoleLinks(rm)
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}
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}
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// PrintPolicy prints the policy to log.
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func (model Model) PrintPolicy() {
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log.LogPrint("Policy:")
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for key, ast := range model["p"] {
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log.LogPrint(key, ": ", ast.Value, ": ", ast.Policy)
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}
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for key, ast := range model["g"] {
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log.LogPrint(key, ": ", ast.Value, ": ", ast.Policy)
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}
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}
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// ClearPolicy clears all current policy.
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func (model Model) ClearPolicy() {
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for _, ast := range model["p"] {
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ast.Policy = nil
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}
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for _, ast := range model["g"] {
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ast.Policy = nil
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}
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}
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// GetPolicy gets all rules in a policy.
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func (model Model) GetPolicy(sec string, ptype string) [][]string {
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return model[sec][ptype].Policy
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}
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// GetFilteredPolicy gets rules based on field filters from a policy.
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func (model Model) GetFilteredPolicy(sec string, ptype string, fieldIndex int, fieldValues ...string) [][]string {
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res := [][]string{}
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for _, rule := range model[sec][ptype].Policy {
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matched := true
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for i, fieldValue := range fieldValues {
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if fieldValue != "" && rule[fieldIndex+i] != fieldValue {
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matched = false
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break
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}
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}
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if matched {
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res = append(res, rule)
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}
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}
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return res
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}
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// HasPolicy determines whether a model has the specified policy rule.
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func (model Model) HasPolicy(sec string, ptype string, rule []string) bool {
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for _, r := range model[sec][ptype].Policy {
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if util.ArrayEquals(rule, r) {
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return true
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}
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}
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return false
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}
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// AddPolicy adds a policy rule to the model.
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func (model Model) AddPolicy(sec string, ptype string, rule []string) bool {
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if !model.HasPolicy(sec, ptype, rule) {
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model[sec][ptype].Policy = append(model[sec][ptype].Policy, rule)
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return true
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}
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return false
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}
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// RemovePolicy removes a policy rule from the model.
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func (model Model) RemovePolicy(sec string, ptype string, rule []string) bool {
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for i, r := range model[sec][ptype].Policy {
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if util.ArrayEquals(rule, r) {
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model[sec][ptype].Policy = append(model[sec][ptype].Policy[:i], model[sec][ptype].Policy[i+1:]...)
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return true
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}
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}
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return false
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}
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// RemoveFilteredPolicy removes policy rules based on field filters from the model.
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func (model Model) RemoveFilteredPolicy(sec string, ptype string, fieldIndex int, fieldValues ...string) bool {
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tmp := [][]string{}
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res := false
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for _, rule := range model[sec][ptype].Policy {
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matched := true
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for i, fieldValue := range fieldValues {
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if fieldValue != "" && rule[fieldIndex+i] != fieldValue {
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matched = false
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break
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}
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}
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if matched {
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res = true
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} else {
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tmp = append(tmp, rule)
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}
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}
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model[sec][ptype].Policy = tmp
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return res
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}
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// GetValuesForFieldInPolicy gets all values for a field for all rules in a policy, duplicated values are removed.
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func (model Model) GetValuesForFieldInPolicy(sec string, ptype string, fieldIndex int) []string {
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values := []string{}
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for _, rule := range model[sec][ptype].Policy {
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values = append(values, rule[fieldIndex])
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}
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util.ArrayRemoveDuplicates(&values)
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return values
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}
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