You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
119 lines
2.6 KiB
119 lines
2.6 KiB
/*
|
|
* MinIO Cloud Storage, (C) 2018 MinIO, Inc.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
package iampolicy
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"sort"
|
|
|
|
"github.com/minio/minio-go/v6/pkg/set"
|
|
)
|
|
|
|
// ActionSet - set of actions.
|
|
type ActionSet map[Action]struct{}
|
|
|
|
// Add - add action to the set.
|
|
func (actionSet ActionSet) Add(action Action) {
|
|
actionSet[action] = struct{}{}
|
|
}
|
|
|
|
// Match - matches object name with anyone of action pattern in action set.
|
|
func (actionSet ActionSet) Match(action Action) bool {
|
|
for r := range actionSet {
|
|
if r.Match(action) {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
// Intersection - returns actions available in both ActionSet.
|
|
func (actionSet ActionSet) Intersection(sset ActionSet) ActionSet {
|
|
nset := NewActionSet()
|
|
for k := range actionSet {
|
|
if _, ok := sset[k]; ok {
|
|
nset.Add(k)
|
|
}
|
|
}
|
|
|
|
return nset
|
|
}
|
|
|
|
// MarshalJSON - encodes ActionSet to JSON data.
|
|
func (actionSet ActionSet) MarshalJSON() ([]byte, error) {
|
|
if len(actionSet) == 0 {
|
|
return nil, fmt.Errorf("empty action set")
|
|
}
|
|
|
|
return json.Marshal(actionSet.ToSlice())
|
|
}
|
|
|
|
func (actionSet ActionSet) String() string {
|
|
actions := []string{}
|
|
for action := range actionSet {
|
|
actions = append(actions, string(action))
|
|
}
|
|
sort.Strings(actions)
|
|
|
|
return fmt.Sprintf("%v", actions)
|
|
}
|
|
|
|
// ToSlice - returns slice of actions from the action set.
|
|
func (actionSet ActionSet) ToSlice() []Action {
|
|
actions := []Action{}
|
|
for action := range actionSet {
|
|
actions = append(actions, action)
|
|
}
|
|
|
|
return actions
|
|
}
|
|
|
|
// UnmarshalJSON - decodes JSON data to ActionSet.
|
|
func (actionSet *ActionSet) UnmarshalJSON(data []byte) error {
|
|
var sset set.StringSet
|
|
if err := json.Unmarshal(data, &sset); err != nil {
|
|
return err
|
|
}
|
|
|
|
if len(sset) == 0 {
|
|
return fmt.Errorf("empty action set")
|
|
}
|
|
|
|
*actionSet = make(ActionSet)
|
|
for _, s := range sset.ToSlice() {
|
|
action, err := parseAction(s)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
actionSet.Add(action)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// NewActionSet - creates new action set.
|
|
func NewActionSet(actions ...Action) ActionSet {
|
|
actionSet := make(ActionSet)
|
|
for _, action := range actions {
|
|
actionSet.Add(action)
|
|
}
|
|
|
|
return actionSet
|
|
}
|
|
|