mirror of
https://github.com/restic/restic.git
synced 2024-08-29 23:57:24 +02:00
117 lines
3.2 KiB
Go
117 lines
3.2 KiB
Go
/*
|
|
* Minio Go Library for Amazon S3 Compatible Cloud Storage
|
|
* Copyright 2015-2017 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 policy
|
|
|
|
import "github.com/minio/minio-go/pkg/set"
|
|
|
|
// ConditionKeyMap - map of policy condition key and value.
|
|
type ConditionKeyMap map[string]set.StringSet
|
|
|
|
// Add - adds key and value. The value is appended If key already exists.
|
|
func (ckm ConditionKeyMap) Add(key string, value set.StringSet) {
|
|
if v, ok := ckm[key]; ok {
|
|
ckm[key] = v.Union(value)
|
|
} else {
|
|
ckm[key] = set.CopyStringSet(value)
|
|
}
|
|
}
|
|
|
|
// Remove - removes value of given key. If key has empty after removal, the key is also removed.
|
|
func (ckm ConditionKeyMap) Remove(key string, value set.StringSet) {
|
|
if v, ok := ckm[key]; ok {
|
|
if value != nil {
|
|
ckm[key] = v.Difference(value)
|
|
}
|
|
|
|
if ckm[key].IsEmpty() {
|
|
delete(ckm, key)
|
|
}
|
|
}
|
|
}
|
|
|
|
// RemoveKey - removes key and its value.
|
|
func (ckm ConditionKeyMap) RemoveKey(key string) {
|
|
if _, ok := ckm[key]; ok {
|
|
delete(ckm, key)
|
|
}
|
|
}
|
|
|
|
// CopyConditionKeyMap - returns new copy of given ConditionKeyMap.
|
|
func CopyConditionKeyMap(condKeyMap ConditionKeyMap) ConditionKeyMap {
|
|
out := make(ConditionKeyMap)
|
|
|
|
for k, v := range condKeyMap {
|
|
out[k] = set.CopyStringSet(v)
|
|
}
|
|
|
|
return out
|
|
}
|
|
|
|
// mergeConditionKeyMap - returns a new ConditionKeyMap which contains merged key/value of given two ConditionKeyMap.
|
|
func mergeConditionKeyMap(condKeyMap1 ConditionKeyMap, condKeyMap2 ConditionKeyMap) ConditionKeyMap {
|
|
out := CopyConditionKeyMap(condKeyMap1)
|
|
|
|
for k, v := range condKeyMap2 {
|
|
if ev, ok := out[k]; ok {
|
|
out[k] = ev.Union(v)
|
|
} else {
|
|
out[k] = set.CopyStringSet(v)
|
|
}
|
|
}
|
|
|
|
return out
|
|
}
|
|
|
|
// ConditionMap - map of condition and conditional values.
|
|
type ConditionMap map[string]ConditionKeyMap
|
|
|
|
// Add - adds condition key and condition value. The value is appended if key already exists.
|
|
func (cond ConditionMap) Add(condKey string, condKeyMap ConditionKeyMap) {
|
|
if v, ok := cond[condKey]; ok {
|
|
cond[condKey] = mergeConditionKeyMap(v, condKeyMap)
|
|
} else {
|
|
cond[condKey] = CopyConditionKeyMap(condKeyMap)
|
|
}
|
|
}
|
|
|
|
// Remove - removes condition key and its value.
|
|
func (cond ConditionMap) Remove(condKey string) {
|
|
if _, ok := cond[condKey]; ok {
|
|
delete(cond, condKey)
|
|
}
|
|
}
|
|
|
|
// mergeConditionMap - returns new ConditionMap which contains merged key/value of two ConditionMap.
|
|
func mergeConditionMap(condMap1 ConditionMap, condMap2 ConditionMap) ConditionMap {
|
|
out := make(ConditionMap)
|
|
|
|
for k, v := range condMap1 {
|
|
out[k] = CopyConditionKeyMap(v)
|
|
}
|
|
|
|
for k, v := range condMap2 {
|
|
if ev, ok := out[k]; ok {
|
|
out[k] = mergeConditionKeyMap(ev, v)
|
|
} else {
|
|
out[k] = CopyConditionKeyMap(v)
|
|
}
|
|
}
|
|
|
|
return out
|
|
}
|