mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-09-19 02:37:24 +08:00
120 lines
3.1 KiB
Go
120 lines
3.1 KiB
Go
// Copyright 2019 Yunion
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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 rbacutils
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import (
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"yunion.io/x/jsonutils"
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"yunion.io/x/pkg/errors"
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"yunion.io/x/onecloud/pkg/httperrors"
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)
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type TPolicy []SRbacRule
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func (policy TPolicy) getMatchRule(req []string) *SRbacRule {
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service := WILD_MATCH
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if len(req) > levelService {
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service = req[levelService]
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}
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resource := WILD_MATCH
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if len(req) > levelResource {
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resource = req[levelResource]
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}
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action := WILD_MATCH
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if len(req) > levelAction {
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action = req[levelAction]
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}
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var extra []string
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if len(req) > levelExtra {
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extra = req[levelExtra:]
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} else {
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extra = make([]string, 0)
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}
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return policy.GetMatchRule(service, resource, action, extra...)
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}
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func (policy TPolicy) GetMatchRule(service string, resource string, action string, extra ...string) *SRbacRule {
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return GetMatchRule(policy, service, resource, action, extra...)
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}
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func decodePolicy(policyJson jsonutils.JSONObject) (TPolicy, error) {
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rules, err := json2Rules(policyJson)
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if err != nil {
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return nil, errors.Wrap(err, "json2Rules")
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}
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if len(rules) == 0 {
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return nil, ErrEmptyPolicy
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}
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return rules, nil
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}
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func DecodeRawPolicyData(input jsonutils.JSONObject) (TPolicy, error) {
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policyData, err := input.Get("policy")
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if err != nil || policyData == nil {
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return nil, errors.Wrap(httperrors.ErrInvalidFormat, "invalid policy data")
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}
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return decodePolicy(policyData)
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}
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func (policy TPolicy) encode() jsonutils.JSONObject {
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return rules2Json(policy)
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}
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func (policy TPolicy) EncodeRawData() jsonutils.JSONObject {
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ret := jsonutils.NewDict()
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ret.Add(policy.encode(), "policy")
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return ret
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}
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func (policy TPolicy) Explain(request [][]string) [][]string {
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output := make([][]string, len(request))
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for i := 0; i < len(request); i += 1 {
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rule := policy.getMatchRule(request[i])
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if rule == nil {
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output[i] = append(request[i], string(Deny))
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} else {
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output[i] = append(request[i], string(rule.Result))
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}
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}
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return output
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}
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// Contains of TPolicy
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// TPolicy p1 contains p2 means any action allowed by p2 is also allowed by p1
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// and any action denied by p1 is also denied by p2
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func (policy1 TPolicy) Contains(policy2 TPolicy) bool {
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for _, rule := range policy2 {
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if rule.Result == Allow {
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rule := policy1.GetMatchRule(rule.Service, rule.Resource, rule.Action, rule.Extra...)
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if rule == nil {
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return false
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}
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if rule.Result == Deny {
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return false
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}
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}
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}
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for _, rule := range policy1 {
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if rule.Result == Deny {
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rule := policy2.GetMatchRule(rule.Service, rule.Resource, rule.Action, rule.Extra...)
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if rule != nil && rule.Result == Allow {
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return false
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}
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}
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}
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return true
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}
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