mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-10-24 23:41:52 +08:00
100 lines
2.8 KiB
Go
100 lines
2.8 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 TPolicySet []TPolicy
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func (policies TPolicySet) GetMatchRules(service string, resource string, action string, extra ...string) []SRbacRule {
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matchRules := make([]SRbacRule, 0)
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for i := range policies {
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rule := policies[i].GetMatchRule(service, resource, action, extra...)
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if rule != nil {
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matchRules = append(matchRules, *rule)
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}
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}
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return matchRules
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}
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func DecodePolicySet(jsonObj jsonutils.JSONObject) (TPolicySet, error) {
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jsonArr, err := jsonObj.GetArray()
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if err != nil {
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return nil, errors.Wrap(httperrors.ErrInvalidFormat, "invalid json: not an array")
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}
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set := TPolicySet{}
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for i := range jsonArr {
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policy, err := DecodePolicy(jsonArr[i])
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if err != nil {
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return nil, errors.Wrapf(err, "decode %d", i)
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}
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set = append(set, policy)
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}
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return set, nil
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}
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func (policies TPolicySet) Encode() jsonutils.JSONObject {
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obj := make([]jsonutils.JSONObject, len(policies))
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for i := range policies {
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obj[i] = policies[i].Encode()
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}
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return jsonutils.NewArray(obj...)
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}
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// ViolatedBy: policies中deny的权限，但是assign中却是allow
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// if any assign allow, but policies deny
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// OR
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// assign allow, if any policies deny
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func (policies TPolicySet) ViolatedBy(assign TPolicySet) bool {
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if policies.violatedBySet(assign, Allow) {
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return true
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}
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if assign.violatedBySet(policies, Deny) {
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return true
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}
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return false
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}
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func (policies TPolicySet) violatedBySet(assign TPolicySet, expect TRbacResult) bool {
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for i := range assign {
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if policies.violatedByPolicy(assign[i], expect) {
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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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func (policies TPolicySet) violatedByPolicy(policy TPolicy, expect TRbacResult) bool {
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for i := range policy {
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rule := policy[i]
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if rule.Result != expect {
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continue
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}
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matchRules := policies.GetMatchRules(rule.Service, rule.Resource, rule.Action, rule.Extra...)
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matchRule := GetMatchRule(matchRules, rule.Service, rule.Resource, rule.Action, rule.Extra...)
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if expect == Allow && (matchRule == nil || matchRule.Result == Deny) {
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return true
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} else if expect == Deny && matchRule != nil && matchRule.Result == Allow {
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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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